YQ-1003 ExternalFunction provider

store connection name at resolved function

rename expr nodes  to dq_function

dq function data provider

ref:23fa1160965eb31574ae1c31a5a9152781f238c2

42 files changed, 1761 insertions, 53 deletions

diff --git a/CMakeLists.darwin.txt b/CMakeLists.darwin.txt
index 59df4cb4ff..c185f3bf02 100644
--- a/CMakeLists.darwin.txt
+++ b/CMakeLists.darwin.txt
@@ -1200,6 +1200,22 @@ add_subdirectory(ydb/library/yql/dq/state/ut)
 add_subdirectory(ydb/library/yql/parser/pg_catalog/ut)
 add_subdirectory(ydb/library/yql/providers/common/schema)
 add_subdirectory(ydb/library/yql/providers/common/schema/skiff)
+add_subdirectory(ydb/library/yql/providers/external_function/provider)
+add_subdirectory(ydb/library/yql/providers/external_function/expr_nodes)
+add_subdirectory(contrib/tools/python3/src)
+add_subdirectory(contrib/tools/python3/src/Modules)
+add_subdirectory(contrib/libs/expat)
+add_subdirectory(contrib/libs/xz/liblzma)
+add_subdirectory(contrib/libs/xz/common)
+add_subdirectory(contrib/restricted/libffi)
+add_subdirectory(library/python/symbols/libc)
+add_subdirectory(library/python/symbols/registry)
+add_subdirectory(library/python/symbols/python)
+add_subdirectory(contrib/tools/python3/lib)
+add_subdirectory(contrib/tools/python3/src/Modules/_sqlite)
+add_subdirectory(contrib/libs/sqlite3)
+add_subdirectory(ydb/library/yql/providers/external_function/common)
+add_subdirectory(ydb/library/yql/providers/external_function/gateway)
 add_subdirectory(ydb/library/yql/public/decimal/ut)
 add_subdirectory(ydb/library/yql/public/issue/ut)
 add_subdirectory(ydb/library/yql/public/udf/ut)
diff --git a/CMakeLists.linux.txt b/CMakeLists.linux.txt
index a2a907626d..f9134b30db 100644
--- a/CMakeLists.linux.txt
+++ b/CMakeLists.linux.txt
@@ -1295,6 +1295,21 @@ add_subdirectory(ydb/library/yql/dq/state/ut)
 add_subdirectory(ydb/library/yql/parser/pg_catalog/ut)
 add_subdirectory(ydb/library/yql/providers/common/schema)
 add_subdirectory(ydb/library/yql/providers/common/schema/skiff)
+add_subdirectory(ydb/library/yql/providers/external_function/provider)
+add_subdirectory(ydb/library/yql/providers/external_function/expr_nodes)
+add_subdirectory(contrib/tools/python3/src)
+add_subdirectory(contrib/tools/python3/src/Modules)
+add_subdirectory(contrib/libs/xz/liblzma)
+add_subdirectory(contrib/libs/xz/common)
+add_subdirectory(contrib/restricted/libffi)
+add_subdirectory(library/python/symbols/libc)
+add_subdirectory(library/python/symbols/registry)
+add_subdirectory(library/python/symbols/python)
+add_subdirectory(contrib/tools/python3/lib)
+add_subdirectory(contrib/tools/python3/src/Modules/_sqlite)
+add_subdirectory(contrib/libs/sqlite3)
+add_subdirectory(ydb/library/yql/providers/external_function/common)
+add_subdirectory(ydb/library/yql/providers/external_function/gateway)
 add_subdirectory(ydb/library/yql/public/decimal/ut)
 add_subdirectory(ydb/library/yql/public/issue/ut)
 add_subdirectory(ydb/library/yql/public/udf/ut)
diff --git a/contrib/libs/expat/CMakeLists.linux.txt b/contrib/libs/expat/CMakeLists.linux.txt
deleted file mode 100644
index 242054b589..0000000000
--- a/contrib/libs/expat/CMakeLists.linux.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-
-# This file was gererated by the build system used internally in the Yandex monorepo.
-# Only simple modifications are allowed (adding source-files to targets, adding simple properties
-# like target_include_directories). These modifications will be ported to original
-# ya.make files by maintainers. Any complex modifications which can't be ported back to the
-# original buildsystem will not be accepted.
-
-
-
-add_library(contrib-libs-expat)
-target_compile_options(contrib-libs-expat PRIVATE
-  -DHAVE_EXPAT_CONFIG_H
-)
-target_include_directories(contrib-libs-expat PRIVATE
-  ${CMAKE_SOURCE_DIR}/contrib/libs/expat
-  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib
-)
-target_sources(contrib-libs-expat PRIVATE
-  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmlparse.c
-  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmlrole.c
-  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmltok.c
-)
diff --git a/contrib/libs/expat/CMakeLists.txt b/contrib/libs/expat/CMakeLists.txt
index c031ddb850..242054b589 100644
--- a/contrib/libs/expat/CMakeLists.txt
+++ b/contrib/libs/expat/CMakeLists.txt
@@ -6,6 +6,17 @@
 # original buildsystem will not be accepted.
 
 
-if (UNIX)
-  include(CMakeLists.linux.txt)
-endif()
+
+add_library(contrib-libs-expat)
+target_compile_options(contrib-libs-expat PRIVATE
+  -DHAVE_EXPAT_CONFIG_H
+)
+target_include_directories(contrib-libs-expat PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib
+)
+target_sources(contrib-libs-expat PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmlparse.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmlrole.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat/lib/xmltok.c
+)
diff --git a/contrib/libs/sqlite3/CMakeLists.txt b/contrib/libs/sqlite3/CMakeLists.txt
new file mode 100644
index 0000000000..7a5a1ce6c1
--- /dev/null
+++ b/contrib/libs/sqlite3/CMakeLists.txt
@@ -0,0 +1,42 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-libs-sqlite3)
+target_compile_options(contrib-libs-sqlite3 PRIVATE
+  -DBUILD_sqlite
+  -DHAVE_USLEEP
+  -DSQLITE_ENABLE_COLUMN_METADATA
+  -DSQLITE_ENABLE_DBSTAT_VTAB
+  -DSQLITE_ENABLE_FTS3
+  -DSQLITE_ENABLE_FTS3_PARENTHESIS
+  -DSQLITE_ENABLE_FTS3_TOKENIZER
+  -DSQLITE_ENABLE_FTS4
+  -DSQLITE_ENABLE_FTS5
+  -DSQLITE_ENABLE_JSON1
+  -DSQLITE_ENABLE_MATH_FUNCTIONS
+  -DSQLITE_ENABLE_RTREE
+  -DSQLITE_ENABLE_STMT_SCANSTATUS
+  -DSQLITE_ENABLE_UNLOCK_NOTIFY
+  -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT
+  -DSQLITE_HAVE_ZLIB=1
+  -DSQLITE_MAX_EXPR_DEPTH=10000
+  -DSQLITE_MAX_VARIABLE_NUMBER=250000
+  -DSQLITE_SECURE_DELETE
+  -DSQLITE_SOUNDEX
+  -DSQLITE_TEMP_STORE=1
+  -DSQLITE_THREADSAFE=1
+  -DSQLITE_OS_UNIX
+)
+target_include_directories(contrib-libs-sqlite3 PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/sqlite3
+)
+target_sources(contrib-libs-sqlite3 PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/sqlite3/sqlite3.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/sqlite3/test_multiplex.c
+)
diff --git a/contrib/libs/xz/common/CMakeLists.txt b/contrib/libs/xz/common/CMakeLists.txt
new file mode 100644
index 0000000000..a9f5098f6d
--- /dev/null
+++ b/contrib/libs/xz/common/CMakeLists.txt
@@ -0,0 +1,24 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(libs-xz-common)
+target_compile_options(libs-xz-common PRIVATE
+  -DTUKLIB_SYMBOL_PREFIX=lzma_
+)
+target_include_directories(libs-xz-common PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/common
+)
+target_link_libraries(libs-xz-common PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+)
+target_sources(libs-xz-common PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/common/tuklib_cpucores.c
+)
diff --git a/contrib/libs/xz/liblzma/CMakeLists.txt b/contrib/libs/xz/liblzma/CMakeLists.txt
new file mode 100644
index 0000000000..3926ba1729
--- /dev/null
+++ b/contrib/libs/xz/liblzma/CMakeLists.txt
@@ -0,0 +1,108 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(libs-xz-liblzma)
+target_compile_options(libs-xz-liblzma PUBLIC
+  -DLZMA_API_STATIC
+)
+target_compile_options(libs-xz-liblzma PRIVATE
+  -DHAVE_CONFIG_H
+  -DTUKLIB_SYMBOL_PREFIX=lzma_
+)
+target_include_directories(libs-xz-liblzma PUBLIC
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/api
+)
+target_include_directories(libs-xz-liblzma PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/api
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/delta
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lz
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/rangecoder
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/common
+)
+target_link_libraries(libs-xz-liblzma PUBLIC
+  contrib-libs-cxxsupp
+  libs-xz-common
+)
+target_sources(libs-xz-liblzma PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/check.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/crc32_fast.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/crc32_table.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/crc64_fast.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/crc64_table.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/check/sha256.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/alone_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/alone_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/auto_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_buffer_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_buffer_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_header_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_header_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/block_util.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/common.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/easy_buffer_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/easy_decoder_memusage.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/easy_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/easy_encoder_memusage.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/easy_preset.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_buffer_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_buffer_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_common.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_flags_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/filter_flags_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/hardware_cputhreads.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/index.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/index_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/index_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/index_hash.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/outqueue.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_buffer_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_buffer_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_encoder_mt.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_flags_common.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_flags_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/stream_flags_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/vli_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/vli_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/common/vli_size.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/delta/delta_common.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/delta/delta_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/delta/delta_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lz/lz_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lz/lz_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lz/lz_encoder_mf.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/fastpos_table.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma2_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma2_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma_encoder_optimum_fast.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma_encoder_optimum_normal.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/lzma/lzma_encoder_presets.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/rangecoder/price_table.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/arm.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/armthumb.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/ia64.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/powerpc.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/simple_coder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/simple_decoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/simple_encoder.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/sparc.c
+  ${CMAKE_SOURCE_DIR}/contrib/libs/xz/liblzma/simple/x86.c
+)
diff --git a/contrib/restricted/libffi/CMakeLists.darwin.txt b/contrib/restricted/libffi/CMakeLists.darwin.txt
new file mode 100644
index 0000000000..09883b16d1
--- /dev/null
+++ b/contrib/restricted/libffi/CMakeLists.darwin.txt
@@ -0,0 +1,38 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-restricted-libffi)
+target_compile_options(contrib-restricted-libffi PUBLIC
+  -DFFI_BUILDING
+)
+target_compile_options(contrib-restricted-libffi PRIVATE
+  -DHAVE_CONFIG_H
+)
+target_include_directories(contrib-restricted-libffi PUBLIC
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-apple-macosx/include
+)
+target_include_directories(contrib-restricted-libffi PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-apple-macosx
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-apple-macosx/include
+)
+target_sources(contrib-restricted-libffi PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/closures.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/java_raw_api.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/prep_cif.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/raw_api.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/types.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/ffi64.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/ffiw64.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/unix64.S
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/win64.S
+)
diff --git a/contrib/restricted/libffi/CMakeLists.linux.txt b/contrib/restricted/libffi/CMakeLists.linux.txt
new file mode 100644
index 0000000000..838df7bbc8
--- /dev/null
+++ b/contrib/restricted/libffi/CMakeLists.linux.txt
@@ -0,0 +1,38 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(contrib-restricted-libffi)
+target_compile_options(contrib-restricted-libffi PUBLIC
+  -DFFI_BUILDING
+)
+target_compile_options(contrib-restricted-libffi PRIVATE
+  -DHAVE_CONFIG_H
+)
+target_include_directories(contrib-restricted-libffi PUBLIC
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-pc-linux-gnu/include
+)
+target_include_directories(contrib-restricted-libffi PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-pc-linux-gnu
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/configs/x86_64-pc-linux-gnu/include
+)
+target_sources(contrib-restricted-libffi PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/closures.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/java_raw_api.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/prep_cif.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/raw_api.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/types.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/ffi64.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/ffiw64.c
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/unix64.S
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/src/x86/win64.S
+)
diff --git a/contrib/restricted/libffi/CMakeLists.txt b/contrib/restricted/libffi/CMakeLists.txt
new file mode 100644
index 0000000000..a681d385f3
--- /dev/null
+++ b/contrib/restricted/libffi/CMakeLists.txt
@@ -0,0 +1,13 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (APPLE)
+  include(CMakeLists.darwin.txt)
+elseif (UNIX)
+  include(CMakeLists.linux.txt)
+endif()
diff --git a/contrib/tools/python3/lib/CMakeLists.txt b/contrib/tools/python3/lib/CMakeLists.txt
new file mode 100644
index 0000000000..879b9caf41
--- /dev/null
+++ b/contrib/tools/python3/lib/CMakeLists.txt
@@ -0,0 +1,21 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(tools-python3-lib INTERFACE)
+target_link_libraries(tools-python3-lib INTERFACE
+  contrib-libs-cxxsupp
+  yutil
+  tools-python3-src
+  contrib-libs-cxxsupp
+  yutil
+  certs
+  contrib-libs-cxxsupp
+  yutil
+  python3-src-Modules
+)
diff --git a/contrib/tools/python3/src/CMakeLists.darwin.txt b/contrib/tools/python3/src/CMakeLists.darwin.txt
new file mode 100644
index 0000000000..23cecd74f4
--- /dev/null
+++ b/contrib/tools/python3/src/CMakeLists.darwin.txt
@@ -0,0 +1,163 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(tools-python3-src)
+target_compile_options(tools-python3-src PRIVATE
+  -DPy_BUILD_CORE
+)
+target_include_directories(tools-python3-src PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include/internal
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/PC
+)
+target_link_libraries(tools-python3-src PUBLIC
+  contrib-libs-cxxsupp
+  python3-src-Modules
+)
+target_link_options(tools-python3-src INTERFACE
+  -framework
+  CoreFoundation
+  -framework
+  SystemConfiguration
+)
+target_sources(tools-python3-src PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_functoolsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/_iomodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/bufferedio.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/bytesio.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/fileio.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/iobase.c
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+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/getplatform.c
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+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pyarena.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pyctype.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pyfpe.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pyhash.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pylifecycle.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pymath.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pystate.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pystrcmp.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pystrhex.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pystrtod.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pythonrun.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/pytime.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/structmember.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/symtable.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/sysmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/thread.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/traceback.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/getpath.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Python/dynload_shlib.c
+)
diff --git a/contrib/tools/python3/src/CMakeLists.linux.txt b/contrib/tools/python3/src/CMakeLists.linux.txt
new file mode 100644
index 0000000000..4ec036fbe1
--- /dev/null
+++ b/contrib/tools/python3/src/CMakeLists.linux.txt
@@ -0,0 +1,157 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(tools-python3-src)
+target_compile_options(tools-python3-src PRIVATE
+  -DPy_BUILD_CORE
+)
+target_include_directories(tools-python3-src PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include/internal
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/PC
+)
+target_link_libraries(tools-python3-src PUBLIC
+  contrib-libs-cxxsupp
+  python3-src-Modules
+)
+target_sources(tools-python3-src PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_functoolsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/_iomodule.c
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+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/fileio.c
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+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_io/winconsoleio.c
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+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Objects/fileobject.c
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+)
diff --git a/contrib/tools/python3/src/CMakeLists.txt b/contrib/tools/python3/src/CMakeLists.txt
new file mode 100644
index 0000000000..a681d385f3
--- /dev/null
+++ b/contrib/tools/python3/src/CMakeLists.txt
@@ -0,0 +1,13 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (APPLE)
+  include(CMakeLists.darwin.txt)
+elseif (UNIX)
+  include(CMakeLists.linux.txt)
+endif()
diff --git a/contrib/tools/python3/src/Modules/CMakeLists.darwin.txt b/contrib/tools/python3/src/Modules/CMakeLists.darwin.txt
new file mode 100644
index 0000000000..3e2d70ca0a
--- /dev/null
+++ b/contrib/tools/python3/src/Modules/CMakeLists.darwin.txt
@@ -0,0 +1,137 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+find_package(OpenSSL REQUIRED)
+find_package(ZLIB REQUIRED)
+
+add_library(python3-src-Modules)
+target_compile_options(python3-src-Modules PRIVATE
+  -DPy_BUILD_CORE_MODULE
+)
+target_include_directories(python3-src-Modules PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat
+  ${CMAKE_SOURCE_DIR}/contrib/libs/libbz2
+  ${CMAKE_SOURCE_DIR}/contrib/libs/openssl
+  ${CMAKE_SOURCE_DIR}/contrib/libs/zlib
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include/internal
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/PC
+)
+target_link_libraries(python3-src-Modules PUBLIC
+  contrib-libs-expat
+  contrib-libs-libbz2
+  OpenSSL::OpenSSL
+  ZLIB::ZLIB
+  libs-xz-liblzma
+  contrib-restricted-libffi
+)
+target_sources(python3-src-Modules PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_abc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_asynciomodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_bisectmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2b_impl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2s_impl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_bz2module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_codecsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_collectionsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_contextvarsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_csv.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/_ctypes.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/callbacks.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/callproc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/cfield.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/stgdict.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_datetimemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/_decimal.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_elementtree.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_hashopenssl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_heapqmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_json.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_localemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_lsprof.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_lzmamodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_math.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/multiprocessing.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/posixshmem.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/semaphore.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_opcode.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_operator.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_peg_parser.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_pickle.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_queuemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_randommodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sha3/sha3module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sre.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ssl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_stat.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_statisticsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_struct.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_tracemalloc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_weakref.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxsubinterpretersmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxtestfuzz/_xxtestfuzz.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxtestfuzz/fuzzer.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_zoneinfo.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/arraymodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/atexitmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/audioop.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/binascii.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_cn.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_hk.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_iso2022.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_jp.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_kr.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_tw.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/multibytecodec.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cmathmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/errnomodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/faulthandler.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/getbuildinfo.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/itertoolsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/mathmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/md5module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/parsermodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/pyexpat.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/rotatingtree.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/selectmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha1module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha256module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha512module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/socketmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/symtablemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/unicodedata.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/zlibmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_cryptmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_posixsubprocess.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/fcntlmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/grpmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/pwdmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/resource.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/syslogmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/termios.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/darwin/dlfcn_simple.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_scproxy.c
+)
diff --git a/contrib/tools/python3/src/Modules/CMakeLists.linux.txt b/contrib/tools/python3/src/Modules/CMakeLists.linux.txt
new file mode 100644
index 0000000000..044d4878b5
--- /dev/null
+++ b/contrib/tools/python3/src/Modules/CMakeLists.linux.txt
@@ -0,0 +1,136 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+find_package(OpenSSL REQUIRED)
+find_package(ZLIB REQUIRED)
+
+add_library(python3-src-Modules)
+target_compile_options(python3-src-Modules PRIVATE
+  -DPy_BUILD_CORE_MODULE
+)
+target_include_directories(python3-src-Modules PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/expat
+  ${CMAKE_SOURCE_DIR}/contrib/libs/libbz2
+  ${CMAKE_SOURCE_DIR}/contrib/libs/openssl
+  ${CMAKE_SOURCE_DIR}/contrib/libs/zlib
+  ${CMAKE_SOURCE_DIR}/contrib/restricted/libffi/include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Include/internal
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/PC
+)
+target_link_libraries(python3-src-Modules PUBLIC
+  contrib-libs-expat
+  contrib-libs-libbz2
+  OpenSSL::OpenSSL
+  ZLIB::ZLIB
+  libs-xz-liblzma
+  contrib-restricted-libffi
+)
+target_sources(python3-src-Modules PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_abc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_asynciomodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_bisectmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2b_impl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_blake2/blake2s_impl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_bz2module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_codecsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_collectionsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_contextvarsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_csv.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/_ctypes.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/callbacks.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/callproc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/cfield.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ctypes/stgdict.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_datetimemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/_decimal.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/basearith.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/constants.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/context.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/convolute.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/crt.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/difradix2.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/fnt.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/fourstep.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/io.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpalloc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/mpdecimal.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/numbertheory.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/sixstep.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_decimal/libmpdec/transpose.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_elementtree.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_hashopenssl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_heapqmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_json.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_localemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_lsprof.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_lzmamodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_math.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/multiprocessing.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/posixshmem.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_multiprocessing/semaphore.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_opcode.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_operator.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_peg_parser.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_pickle.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_queuemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_randommodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sha3/sha3module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sre.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_ssl.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_stat.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_statisticsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_struct.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_tracemalloc.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_weakref.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxsubinterpretersmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxtestfuzz/_xxtestfuzz.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_xxtestfuzz/fuzzer.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_zoneinfo.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/arraymodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/atexitmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/audioop.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/binascii.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_cn.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_hk.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_iso2022.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_jp.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_kr.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/_codecs_tw.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cjkcodecs/multibytecodec.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/cmathmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/errnomodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/faulthandler.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/getbuildinfo.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/itertoolsmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/mathmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/md5module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/parsermodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/pyexpat.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/rotatingtree.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/selectmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha1module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha256module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/sha512module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/socketmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/symtablemodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/unicodedata.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/zlibmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_cryptmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_posixsubprocess.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/fcntlmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/grpmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/pwdmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/resource.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/syslogmodule.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/termios.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/spwdmodule.c
+)
diff --git a/contrib/tools/python3/src/Modules/CMakeLists.txt b/contrib/tools/python3/src/Modules/CMakeLists.txt
new file mode 100644
index 0000000000..a681d385f3
--- /dev/null
+++ b/contrib/tools/python3/src/Modules/CMakeLists.txt
@@ -0,0 +1,13 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+if (APPLE)
+  include(CMakeLists.darwin.txt)
+elseif (UNIX)
+  include(CMakeLists.linux.txt)
+endif()
diff --git a/contrib/tools/python3/src/Modules/_sqlite/CMakeLists.txt b/contrib/tools/python3/src/Modules/_sqlite/CMakeLists.txt
new file mode 100644
index 0000000000..eb51a0826b
--- /dev/null
+++ b/contrib/tools/python3/src/Modules/_sqlite/CMakeLists.txt
@@ -0,0 +1,34 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(src-Modules-_sqlite)
+target_compile_options(src-Modules-_sqlite PRIVATE
+  -DMODULE_NAME="sqlite3"
+)
+target_include_directories(src-Modules-_sqlite PUBLIC
+  ${CMAKE_SOURCE_DIR}/contrib/libs/python/Include
+)
+target_include_directories(src-Modules-_sqlite PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/libs/sqlite3
+  ${CMAKE_SOURCE_DIR}/contrib/libs/python/Include
+)
+target_link_libraries(src-Modules-_sqlite PUBLIC
+  contrib-libs-sqlite3
+)
+target_sources(src-Modules-_sqlite PRIVATE
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/cache.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/connection.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/cursor.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/microprotocols.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/module.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/prepare_protocol.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/row.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/statement.c
+  ${CMAKE_SOURCE_DIR}/contrib/tools/python3/src/Modules/_sqlite/util.c
+)
diff --git a/library/python/symbols/libc/CMakeLists.txt b/library/python/symbols/libc/CMakeLists.txt
new file mode 100644
index 0000000000..ef018b607f
--- /dev/null
+++ b/library/python/symbols/libc/CMakeLists.txt
@@ -0,0 +1,28 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(python-symbols-libc INTERFACE)
+target_link_libraries(python-symbols-libc INTERFACE
+  contrib-libs-cxxsupp
+  yutil
+  python-symbols-registry
+)
+
+add_global_library_for(python-symbols-libc.global python-symbols-libc)
+target_compile_options(python-symbols-libc.global PRIVATE
+  -Wno-deprecated-declarations
+)
+target_link_libraries(python-symbols-libc.global PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  python-symbols-registry
+)
+target_sources(python-symbols-libc.global PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/python/symbols/libc/syms.cpp
+)
diff --git a/library/python/symbols/python/CMakeLists.txt b/library/python/symbols/python/CMakeLists.txt
new file mode 100644
index 0000000000..3993e19c91
--- /dev/null
+++ b/library/python/symbols/python/CMakeLists.txt
@@ -0,0 +1,25 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(python-symbols-python INTERFACE)
+target_link_libraries(python-symbols-python INTERFACE
+  contrib-libs-cxxsupp
+  yutil
+  python-symbols-registry
+)
+
+add_global_library_for(python-symbols-python.global python-symbols-python)
+target_link_libraries(python-symbols-python.global PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  python-symbols-registry
+)
+target_sources(python-symbols-python.global PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/python/symbols/python/syms.cpp
+)
diff --git a/library/python/symbols/registry/CMakeLists.txt b/library/python/symbols/registry/CMakeLists.txt
new file mode 100644
index 0000000000..89e8f9ba17
--- /dev/null
+++ b/library/python/symbols/registry/CMakeLists.txt
@@ -0,0 +1,17 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(python-symbols-registry)
+target_link_libraries(python-symbols-registry PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+)
+target_sources(python-symbols-registry PRIVATE
+  ${CMAKE_SOURCE_DIR}/library/python/symbols/registry/syms.cpp
+)
diff --git a/ydb/library/yql/providers/common/provider/yql_provider_names.h b/ydb/library/yql/providers/common/provider/yql_provider_names.h
index 7cf29b4c1d..03924fbb0b 100644
--- a/ydb/library/yql/providers/common/provider/yql_provider_names.h
+++ b/ydb/library/yql/providers/common/provider/yql_provider_names.h
@@ -17,11 +17,12 @@ constexpr TStringBuf ClickHouseProviderName = "clickhouse";
 constexpr TStringBuf YdbProviderName = "ydb";
 constexpr TStringBuf PqProviderName = "pq";
 constexpr TStringBuf S3ProviderName = "s3";
+constexpr TStringBuf FunctionProviderName = "function";
 
-constexpr std::array<const TStringBuf, 11> Providers = {
+constexpr std::array<const TStringBuf, 12> Providers = {
     {ConfigProviderName, YtProviderName, KikimrProviderName, RtmrProviderName, S3ProviderName,
      StatProviderName, SolomonProviderName, DqProviderName, ClickHouseProviderName, YdbProviderName,
-     PqProviderName}
+     PqProviderName, FunctionProviderName}
 };
 
 } // namespace NYql
diff --git a/ydb/library/yql/providers/external_function/cloud_function/gateway/CMakeLists.txt b/ydb/library/yql/providers/external_function/cloud_function/gateway/CMakeLists.txt
index 119bb0da5a..04a8ed0d4e 100644
--- a/ydb/library/yql/providers/external_function/cloud_function/gateway/CMakeLists.txt
+++ b/ydb/library/yql/providers/external_function/cloud_function/gateway/CMakeLists.txt
@@ -15,6 +15,7 @@ target_link_libraries(external_function-cloud_function-gateway PUBLIC
   contrib-libs-cxxsupp
   yutil
   common-token_accessor-client
+  providers-external_function-gateway
   client-ydb_types-credentials
   cpp-string_utils-quote
   cpp-threading-future
diff --git a/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.cpp b/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.cpp
index f784af39d9..9650ebf68a 100644
--- a/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.cpp
+++ b/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.cpp
@@ -9,6 +9,7 @@
 #include <cloud/bitbucket/private-api/yandex/cloud/priv/serverless/functions/v1/function.pb.h>
 
 #include <library/cpp/grpc/client/grpc_client_low.h>
+#include <google/protobuf/text_format.h>
 #include <exception>
 #include <fmt/format.h>
 
@@ -17,7 +18,7 @@ namespace NCloudFunction {
 
 using namespace yandex::cloud::priv::serverless::functions::v1;
 
-class TCloudFunctionGateway : public ICloudFunctionGateway {
+class TCloudFunctionGateway : public IDqFunctionGateway {
 public:
     using TPtr = std::shared_ptr<TCloudFunctionGateway>;
 
@@ -27,8 +28,8 @@ private:
     class TImpl : public std::enable_shared_from_this<TImpl> {
     public:
         TImpl(const TString& apiEndpoint, const TString& sslCaCert, NYdb::TCredentialsProviderPtr credentialsProvider)
-        : Client(std::make_unique<NGrpc::TGRpcClientLow>())
-        , CredentialsProvider(std::move(credentialsProvider))
+            : Client(std::make_unique<NGrpc::TGRpcClientLow>())
+            , CredentialsProvider(std::move(credentialsProvider))
         {
             NGrpc::TGRpcClientConfig grpcConf;
             grpcConf.Locator = apiEndpoint;
@@ -74,20 +75,37 @@ private:
     };
 
 public:
-    TCloudFunctionGateway(const TString& apiEndpoint, const TString& sslCaCert, NYdb::TCredentialsProviderPtr credentialsProvider)
-    : Impl(std::make_shared<TImpl>(apiEndpoint, sslCaCert, credentialsProvider))
+    TCloudFunctionGateway(const TString& apiEndpoint, const TString& sslCaCert,
+                          NYdb::TCredentialsProviderPtr credentialsProvider,
+                          const TString& connectionName)
+        : Impl(std::make_shared<TImpl>(apiEndpoint, sslCaCert, credentialsProvider))
+        , ConnectionName(connectionName)
     {
     }
 
-    NThreading::TFuture<Function> ResolveFunction(const TString& folderId, const TString& functionName) {
+    NThreading::TFuture<NDqFunction::TDqFunctionDescription> ResolveFunction(const TString& folderId, const TString& functionName) {
         auto listResponse = Impl->List(folderId, functionName);
-        return listResponse.Apply([folderId, functionName](const NThreading::TFuture<ListFunctionsResponse>& future) -> Function {
-            auto functions = future.GetValue().Getfunctions();
-            if (!functions.empty()) {
-                return functions.at(0);
+        auto connectionName = ConnectionName;
+        return listResponse.Apply([folderId, functionName, connectionName]
+            (const NThreading::TFuture<ListFunctionsResponse>& future) -> NDqFunction::TDqFunctionDescription
+            {
+                auto functions = future.GetValue().Getfunctions();
+                if (!functions.empty()) {
+                    auto protoFunction = functions.at(0);
+                    const google::protobuf::EnumDescriptor* descriptor = Function::Status_descriptor();
+                    TString status = descriptor->FindValueByNumber(protoFunction.Getstatus())->name();
+
+                    return NDqFunction::TDqFunctionDescription{
+                        .Type = TDqFunctionType{CloudFunctionProviderName},
+                        .FunctionName = protoFunction.Getname(),
+                        .Connection = connectionName,
+                        .InvokeUrl = protoFunction.Gethttp_invoke_url(),
+                        .Status = status
+                    };
+                }
+                throw yexception() << fmt::format("Failed to find cloud function '{}' at folder '{}'", functionName, folderId);
             }
-            throw yexception() << fmt::format("Failed to find cloud function '{}' at folder '{}'", functionName, folderId);
-        });
+        );
     }
 
     ~TCloudFunctionGateway() {
@@ -96,9 +114,10 @@ public:
 
 private:
     std::shared_ptr<TImpl> Impl;
+    const TString ConnectionName;
 };
 
-ICloudFunctionGateway::TPtr CreateCloudFunctionGateway(
+IDqFunctionGateway::TPtr CreateCloudFunctionGateway(
         const TString& apiEndpoint, const TString& sslCaCert,
         const THashMap<TString, TString>& secureParams, const TString& connectionName,
         ISecuredServiceAccountCredentialsFactory::TPtr credentialsFactory) {
@@ -108,7 +127,7 @@ ICloudFunctionGateway::TPtr CreateCloudFunctionGateway(
         throw yexception() << fmt::format("Can't find token by connection name '{}'", connectionName);
     }
     auto credProviderFactory = CreateCredentialsProviderFactoryForStructuredToken(credentialsFactory, token->second, true)->CreateProvider();
-    return std::make_shared<TCloudFunctionGateway>(apiEndpoint, sslCaCert, credProviderFactory);
+    return std::make_shared<TCloudFunctionGateway>(apiEndpoint, sslCaCert, credProviderFactory, connectionName);
 }
 
 } // namespace NCloudFunction
diff --git a/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.h b/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.h
index 867a78b392..dbe528fa32 100644
--- a/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.h
+++ b/ydb/library/yql/providers/external_function/cloud_function/gateway/cloud_function_gateway.h
@@ -1,27 +1,30 @@
 #pragma once
 
 #include <ydb/library/yql/providers/common/token_accessor/client/factory.h>
+#include <ydb/library/yql/providers/external_function/gateway/dq_function_gateway.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/credentials/credentials.h>
-#include <library/cpp/threading/future/future.h>
-
-namespace yandex::cloud::priv::serverless::functions::v1 {
-    class Function;
-}
 
 namespace NYql::NDq {
 namespace NCloudFunction {
 
-class ICloudFunctionGateway {
-public:
-    using TPtr = std::shared_ptr<ICloudFunctionGateway>;
-    virtual NThreading::TFuture<yandex::cloud::priv::serverless::functions::v1::Function> ResolveFunction(const TString& folderId, const TString& functionName) = 0;
-    virtual ~ICloudFunctionGateway() = default;
-};
+constexpr TStringBuf CloudFunctionProviderName = "CloudFunction";
 
-ICloudFunctionGateway::TPtr CreateCloudFunctionGateway(
+IDqFunctionGateway::TPtr CreateCloudFunctionGateway(
         const TString& apiEndpoint, const TString& sslCaCert,
         const THashMap<TString, TString>& secureParams, const TString& connectionName,
         ISecuredServiceAccountCredentialsFactory::TPtr credentialsFactory);
 
+void RegisterCloudFunctionGateway(TDqFunctionGatewayFactory& factory,
+                                  const TString& apiEndpoint, const TString& sslCaCert,
+                                  ISecuredServiceAccountCredentialsFactory::TPtr credentialsFactory) {
+
+    factory.Register(TString{CloudFunctionProviderName}, [apiEndpoint, sslCaCert, credentialsFactory]
+        (const THashMap<TString, TString>& secureParams, const TString& connectionName) {
+            return CreateCloudFunctionGateway(apiEndpoint, sslCaCert,
+                                              secureParams, connectionName,
+                                              credentialsFactory);
+        });
+}
+
 }
 }
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/common/CMakeLists.txt b/ydb/library/yql/providers/external_function/common/CMakeLists.txt
new file mode 100644
index 0000000000..cf4fd061e4
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/common/CMakeLists.txt
@@ -0,0 +1,20 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(providers-external_function-common)
+target_compile_options(providers-external_function-common PRIVATE
+  -DUSE_CURRENT_UDF_ABI_VERSION
+)
+target_link_libraries(providers-external_function-common PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+)
+target_sources(providers-external_function-common PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/common/dq_function_types.cpp
+)
diff --git a/ydb/library/yql/providers/external_function/common/dq_function_types.cpp b/ydb/library/yql/providers/external_function/common/dq_function_types.cpp
new file mode 100644
index 0000000000..405a75d41f
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/common/dq_function_types.cpp
@@ -0,0 +1,20 @@
+#include "dq_function_types.h"
+
+namespace NYql::NDqFunction {
+
+TDqFunctionResolver::TDqFunctionResolver() {}
+
+TDqFunctionDescription TDqFunctionResolver::AddFunction(const TDqFunctionType& type, const TString& functionName, const TString& connection) {
+    auto function = TDqFunctionDescription{
+        .Type = type,
+        .FunctionName = functionName,
+        .Connection = connection
+    };
+    return *(FunctionsDescription.emplace(function).first);
+}
+
+std::vector<TDqFunctionDescription> TDqFunctionResolver::FunctionsToResolve() {
+    return {FunctionsDescription.begin(), FunctionsDescription.end()};
+}
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/common/dq_function_types.h b/ydb/library/yql/providers/external_function/common/dq_function_types.h
new file mode 100644
index 0000000000..7716f33613
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/common/dq_function_types.h
@@ -0,0 +1,56 @@
+#pragma once
+
+#include <util/generic/string.h>
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+
+#include <vector>
+
+namespace NYql::NDqFunction {
+
+using TDqFunctionType = TString;
+
+struct TDqFunctionDescription {
+    TDqFunctionType Type;
+    TString FunctionName;
+    TString Connection;
+
+    TString InvokeUrl;
+    TString Status;
+};
+
+struct TDqFunctionDescriptionHash {
+    size_t operator()(const TDqFunctionDescription& key) const {
+        std::hash<TString> Hash;
+        auto initHash = CombineHashes(Hash(key.Type), Hash(key.FunctionName));
+        if (!key.Connection.empty()) {
+            initHash = CombineHashes(Hash(key.Connection), initHash);
+        }
+        return initHash;
+    }
+};
+
+struct TDqFunctionDescriptionEq {
+    bool operator()(const TDqFunctionDescription& a, const TDqFunctionDescription& b) const {
+        return a.Type == b.Type
+            && a.FunctionName == b.FunctionName
+            && a.Connection == b.Connection;
+    }
+};
+
+using TDqFunctionsSet = THashSet<TDqFunctionDescription, TDqFunctionDescriptionHash, TDqFunctionDescriptionEq>;
+
+class TDqFunctionResolver : public TThrRefBase {
+public:
+    using TPtr = TIntrusivePtr<TDqFunctionResolver>;
+
+    TDqFunctionResolver();
+
+    TDqFunctionDescription AddFunction(const TDqFunctionType& type, const TString& functionName, const TString& connection);
+    std::vector<TDqFunctionDescription> FunctionsToResolve();
+private:
+    TDqFunctionsSet FunctionsDescription;
+};
+
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/expr_nodes/CMakeLists.txt b/ydb/library/yql/providers/external_function/expr_nodes/CMakeLists.txt
new file mode 100644
index 0000000000..71b5d56f1c
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/expr_nodes/CMakeLists.txt
@@ -0,0 +1,69 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(providers-external_function-expr_nodes)
+target_link_libraries(providers-external_function-expr_nodes PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  yql-core-expr_nodes
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  tools-python3-src
+  contrib-libs-cxxsupp
+  yutil
+  python-symbols-libc
+  python-symbols-python
+  tools-python3-lib
+  contrib-libs-cxxsupp
+  yutil
+  tools-python3-src
+  library-cpp-resource
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  contrib-libs-cxxsupp
+  yutil
+  cpp-malloc-jemalloc
+  library-cpp-cpuid_check
+  src-Modules-_sqlite
+)
+target_sources(providers-external_function-expr_nodes PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.cpp
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.gen.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.decl.inl.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.defs.inl.h
+  ${CMAKE_SOURCE_DIR}/library/python/symbols/module/module.cpp
+  ${CMAKE_SOURCE_DIR}/contrib/python/MarkupSafe/py3/markupsafe/_speedups.c
+)
+add_custom_command(
+  OUTPUT
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.gen.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.decl.inl.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.defs.inl.h
+  DEPENDS
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/core/expr_nodes_gen/yql_expr_nodes_gen.jnj
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.json
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/core/expr_nodes_gen/gen/gen
+  COMMAND
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/core/expr_nodes_gen/gen/gen
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/core/expr_nodes_gen/yql_expr_nodes_gen.jnj
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.json
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.gen.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.decl.inl.h
+  ${CMAKE_BINARY_DIR}/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.defs.inl.h
+)
diff --git a/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.cpp b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.cpp
new file mode 100644
index 0000000000..895120d52e
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.cpp
@@ -0,0 +1,4 @@
+#include "dq_function_expr_nodes.h"
+
+namespace NYql::NNodes {
+}
diff --git a/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.h b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.h
new file mode 100644
index 0000000000..a9993ba665
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.gen.h>
+#include <ydb/library/yql/core/expr_nodes/yql_expr_nodes.h>
+#include <ydb/library/yql/providers/common/provider/yql_provider_names.h>
+
+namespace NYql {
+namespace NNodes {
+
+#include <ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.decl.inl.h>
+
+class TFunctionDataSource: public NGenerated::TFunctionDataSourceStub<TExprBase, TCallable, TCoAtom> {
+public:
+    explicit TFunctionDataSource(const TExprNode* node)
+        : TFunctionDataSourceStub(node)
+    {
+    }
+
+    explicit TFunctionDataSource(const TExprNode::TPtr& node)
+        : TFunctionDataSourceStub(node)
+    {
+    }
+
+    static bool Match(const TExprNode* node) {
+        if (!TFunctionDataSourceStub::Match(node)) {
+            return false;
+        }
+
+        if (node->Child(0)->Content() != FunctionProviderName) {
+            return false;
+        }
+
+        return true;
+    }
+};
+
+#include <ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.defs.inl.h>
+
+} // namespace NNodes
+} // namespace NYql
diff --git a/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.json b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.json
new file mode 100644
index 0000000000..16084c8755
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.json
@@ -0,0 +1,21 @@
+{
+    "NodeRootType": "TExprBase",
+    "NodeBuilderBase": "TNodeBuilderBase",
+    "ListBuilderBase": "TListBuilderBase",
+    "FreeArgCallableBase": "TFreeArgCallable",
+    "FreeArgBuilderBase": "TFreeArgCallableBuilderBase",
+    "Nodes": [
+        {
+          "Name": "TFunctionDataSource",
+          "Base": "TCallable",
+          "Definition": "Custom",
+          "Match": {"Type": "Callable", "Name": "DataSource"},
+          "Children": [
+              {"Index": 0, "Name": "Category", "Type": "TCoAtom"},
+              {"Index": 1, "Name": "Type", "Type": "TCoAtom"},
+              {"Index": 2, "Name": "FunctionName", "Type": "TCoAtom"},
+              {"Index": 3, "Name": "Connection", "Type": "TCoAtom"}
+          ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/gateway/CMakeLists.txt b/ydb/library/yql/providers/external_function/gateway/CMakeLists.txt
new file mode 100644
index 0000000000..7a707ccafd
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/gateway/CMakeLists.txt
@@ -0,0 +1,23 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(providers-external_function-gateway)
+target_compile_options(providers-external_function-gateway PRIVATE
+  -DUSE_CURRENT_UDF_ABI_VERSION
+)
+target_link_libraries(providers-external_function-gateway PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  common-token_accessor-client
+  providers-external_function-common
+  cpp-threading-future
+)
+target_sources(providers-external_function-gateway PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.cpp
+)
diff --git a/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.cpp b/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.cpp
new file mode 100644
index 0000000000..518c0c9e40
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.cpp
@@ -0,0 +1,27 @@
+#include "dq_function_gateway.h"
+
+#include <ydb/library/yql/utils/yql_panic.h>
+
+namespace NYql {
+
+void TDqFunctionGatewayFactory::Register(const TDqFunctionType& type, TGatewayCreator creator) {
+    auto [_, registered] = CreatorsByType.emplace(type, std::move(creator));
+    Y_VERIFY(registered);
+}
+
+bool TDqFunctionGatewayFactory::IsKnownFunctionType(const TDqFunctionType& type) {
+    return !type.empty() && CreatorsByType.contains(type);
+}
+
+IDqFunctionGateway::TPtr TDqFunctionGatewayFactory::CreateDqFunctionGateway(
+        const TDqFunctionType& type, const THashMap<TString, TString>& secureParams,
+        const TString& connection) const {
+
+    auto creator = CreatorsByType.find(type);
+    if (creator == CreatorsByType.end()) {
+        YQL_ENSURE(false, "Unregistered external function gateway type " << type);
+    }
+    return (creator->second)(secureParams, connection);
+}
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.h b/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.h
new file mode 100644
index 0000000000..dd460c26ce
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/gateway/dq_function_gateway.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <ydb/library/yql/providers/common/token_accessor/client/factory.h>
+#include <ydb/library/yql/providers/external_function/common/dq_function_types.h>
+#include <library/cpp/threading/future/future.h>
+
+#include <unordered_map>
+
+namespace NYql {
+
+using namespace NDqFunction;
+
+class IDqFunctionGateway {
+public:
+    using TPtr = std::shared_ptr<IDqFunctionGateway>;
+
+    virtual NThreading::TFuture<TDqFunctionDescription> ResolveFunction(const TString& folderId, const TString& functionName);
+    virtual ~IDqFunctionGateway() = default;
+};
+
+class TDqFunctionGatewayFactory : public TThrRefBase {
+public:
+    using TPtr = TIntrusivePtr<TDqFunctionGatewayFactory>;
+
+    TDqFunctionGatewayFactory() {}
+
+    using TGatewayCreator = std::function<IDqFunctionGateway::TPtr(
+            const THashMap<TString, TString>& secureParams, const TString& connection)>;
+
+    void Register(const TDqFunctionType& type, TGatewayCreator creator);
+    bool IsKnownFunctionType(const TDqFunctionType& type);
+    IDqFunctionGateway::TPtr CreateDqFunctionGateway(const TDqFunctionType& type,
+                                                     const THashMap<TString, TString>& secureParams,
+                                                     const TString& connection) const;
+private:
+    std::unordered_map<TDqFunctionType, TGatewayCreator> CreatorsByType;
+};
+
+
+}
+
+
diff --git a/ydb/library/yql/providers/external_function/provider/CMakeLists.txt b/ydb/library/yql/providers/external_function/provider/CMakeLists.txt
new file mode 100644
index 0000000000..5805205044
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/CMakeLists.txt
@@ -0,0 +1,30 @@
+
+# This file was gererated by the build system used internally in the Yandex monorepo.
+# Only simple modifications are allowed (adding source-files to targets, adding simple properties
+# like target_include_directories). These modifications will be ported to original
+# ya.make files by maintainers. Any complex modifications which can't be ported back to the
+# original buildsystem will not be accepted.
+
+
+
+add_library(providers-external_function-provider)
+target_compile_options(providers-external_function-provider PRIVATE
+  -DUSE_CURRENT_UDF_ABI_VERSION
+)
+target_link_libraries(providers-external_function-provider PUBLIC
+  contrib-libs-cxxsupp
+  yutil
+  common-token_accessor-client
+  providers-common-provider
+  providers-external_function-expr_nodes
+  providers-external_function-common
+  providers-external_function-gateway
+  library-yql-core
+  yql-core-expr_nodes
+)
+target_sources(providers-external_function-provider PRIVATE
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/provider/dq_function_load_meta.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/provider/dq_function_intent_transformer.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/provider/dq_function_provider.cpp
+  ${CMAKE_SOURCE_DIR}/ydb/library/yql/providers/external_function/provider/dq_function_datasource.cpp
+)
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_datasource.cpp b/ydb/library/yql/providers/external_function/provider/dq_function_datasource.cpp
new file mode 100644
index 0000000000..0889cdb711
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_datasource.cpp
@@ -0,0 +1,70 @@
+#include "dq_function_provider_impl.h"
+
+#include <ydb/library/yql/core/expr_nodes/yql_expr_nodes.h>
+#include <ydb/library/yql/core/yql_expr_type_annotation.h>
+#include <ydb/library/yql/providers/common/provider/yql_data_provider_impl.h>
+#include <ydb/library/yql/providers/common/provider/yql_provider_names.h>
+
+namespace NYql::NDqFunction {
+
+namespace {
+
+using namespace NNodes;
+
+class TDqFunctionDataSource : public TDataProviderBase {
+public:
+    TDqFunctionDataSource(TDqFunctionState::TPtr state)
+        : State(std::move(state))
+        , LoadMetaDataTransformer(CreateDqFunctionMetaLoader(State))
+        , IntentDeterminationTransformer(CreateDqFunctionIntentTransformer(State))
+    {}
+
+    TStringBuf GetName() const override {
+        return FunctionProviderName;
+    }
+
+    bool ValidateParameters(TExprNode& node, TExprContext& ctx, TMaybe<TString>& cluster) override {
+        if (node.IsCallable(TCoDataSource::CallableName())) {
+            //(DataSource 'ExternalFunction 'CloudFunction 'my_function_name 'connection_name)
+            if (!EnsureArgsCount(node, 4, ctx)) {
+                return false;
+            }
+            if (node.Head().Content() == FunctionProviderName) {
+                TDqFunctionType functionType{node.Child(1)->Content()};
+                if (!State->GatewayFactory->IsKnownFunctionType(functionType)) {
+                    ctx.AddError(TIssue(ctx.GetPosition(node.Pos()), TStringBuilder() <<
+                        "Unknown EXTERNAL FUNCTION type '" << functionType << "'"));
+                    return false;
+                }
+                cluster = Nothing();
+                return true;
+            }
+        }
+
+        ctx.AddError(TIssue(ctx.GetPosition(node.Pos()), "Invalid ExternalFunction DataSource parameters"));
+        return false;
+    }
+
+    IGraphTransformer& GetLoadTableMetadataTransformer() override {
+        return *LoadMetaDataTransformer;
+    }
+
+    IGraphTransformer& GetIntentDeterminationTransformer() override {
+        return *IntentDeterminationTransformer;
+    }
+
+private:
+    const TDqFunctionState::TPtr State;
+    const THolder<IGraphTransformer> LoadMetaDataTransformer;
+    const THolder<TVisitorTransformerBase> IntentDeterminationTransformer;
+};
+}
+
+
+TIntrusivePtr<IDataProvider> CreateDqFunctionDataSource(TDqFunctionState::TPtr state) {
+    return new TDqFunctionDataSource(std::move(state));
+}
+
+
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_intent_transformer.cpp b/ydb/library/yql/providers/external_function/provider/dq_function_intent_transformer.cpp
new file mode 100644
index 0000000000..bce8645a9d
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_intent_transformer.cpp
@@ -0,0 +1,44 @@
+#include "dq_function_provider.h"
+
+#include <ydb/library/yql/providers/common/transform/yql_visit.h>
+#include <ydb/library/yql/providers/external_function/expr_nodes/dq_function_expr_nodes.h>
+
+namespace NYql::NDqFunction {
+namespace {
+
+using namespace NNodes;
+
+class TDqFunctionIntentTransformer : public TVisitorTransformerBase {
+public:
+    TDqFunctionIntentTransformer(TDqFunctionState::TPtr state)
+        : TVisitorTransformerBase(false)
+        , State(state)
+    {
+        AddHandler({TFunctionDataSource::CallableName()}, Hndl(&TDqFunctionIntentTransformer::HandleDataSource));
+    }
+
+    TStatus HandleDataSource(TExprBase input, TExprContext& ctx) {
+        Y_UNUSED(ctx);
+
+        if (!TFunctionDataSource::Match(input.Raw()))
+            return TStatus::Ok;
+
+        auto source = input.Cast<TFunctionDataSource>();
+        TDqFunctionType functionType{source.Type().Value()};
+        TString functionName{source.FunctionName().Value()};
+        TString connection{source.Connection().Value()};
+        State->FunctionsResolver->AddFunction(functionType, functionName, connection);
+
+        return TStatus::Ok;
+    }
+
+private:
+    TDqFunctionState::TPtr State;
+};
+}
+
+THolder<TVisitorTransformerBase> CreateDqFunctionIntentTransformer(TDqFunctionState::TPtr state) {
+    return THolder(new TDqFunctionIntentTransformer(state));
+}
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_load_meta.cpp b/ydb/library/yql/providers/external_function/provider/dq_function_load_meta.cpp
new file mode 100644
index 0000000000..9f6b9beca1
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_load_meta.cpp
@@ -0,0 +1,94 @@
+#include "dq_function_provider.h"
+
+#include <ydb/library/yql/core/yql_graph_transformer.h>
+#include <ydb/library/yql/public/issue/yql_issue.h>
+
+#include <library/cpp/threading/future/async.h>
+
+namespace NYql::NDqFunction {
+namespace {
+
+using namespace NNodes;
+
+class TDqFunctionResolverTransform : public TGraphTransformerBase {
+private:
+    struct TResolverContext : public TThrRefBase {
+        using TPtr = TIntrusivePtr<TResolverContext>;
+        TVector<TIssue> ResolveIssues;
+        TDqFunctionsSet FunctionsDescription;
+    };
+public:
+    TDqFunctionResolverTransform(TDqFunctionState::TPtr state)
+        : State(state)
+    {}
+
+    TStatus DoTransform(TExprNode::TPtr input, TExprNode::TPtr& output, TExprContext& ctx) final {
+        output = input;
+
+        if (ctx.Step.IsDone(TExprStep::LoadTablesMetadata)) {
+            return TStatus::Ok;
+        }
+
+        ResolverContext = MakeIntrusive<TResolverContext>();
+
+        auto functions = State->FunctionsResolver->FunctionsToResolve();
+        std::vector<NThreading::TFuture<void>> resolverHandles;
+        resolverHandles.reserve(functions.size());
+        auto resolverContext = ResolverContext;
+        for (auto functionDesc : functions) {
+            auto gateway = State->GatewayFactory->CreateDqFunctionGateway(
+                    functionDesc.Type, {}, functionDesc.Connection);
+            auto future = gateway->ResolveFunction(State->ScopeFolderId, functionDesc.FunctionName);
+            resolverHandles.push_back(future.Apply([resolverContext]
+                (const NThreading::TFuture<TDqFunctionDescription>& future) {
+                    try {
+                        resolverContext->FunctionsDescription.emplace(future.GetValue());
+                    } catch (const std::exception& e) {
+                        resolverContext->ResolveIssues.push_back(ExceptionToIssue(e));
+                    }
+                }));
+        }
+
+        if (resolverHandles.empty()) {
+            return TStatus::Ok;
+        }
+
+        AllFutures = NThreading::WaitExceptionOrAll(resolverHandles);
+        return TStatus::Async;
+    }
+
+    NThreading::TFuture<void> DoGetAsyncFuture(const TExprNode& input) final {
+        Y_UNUSED(input);
+        return AllFutures;
+    }
+
+    TStatus DoApplyAsyncChanges(TExprNode::TPtr input, TExprNode::TPtr& output, TExprContext& ctx) final {
+        Y_UNUSED(ctx);
+        YQL_ENSURE(AllFutures.HasValue());
+        output = input;
+
+        if (!ResolverContext->ResolveIssues.empty()) {
+            ctx.IssueManager.RaiseIssues(TIssues(ResolverContext->ResolveIssues));
+            ResolverContext.Reset();
+            return TStatus::Error;
+        }
+
+        for (auto function : ResolverContext->FunctionsDescription) {
+            State->FunctionsDescription.emplace(std::move(function));
+        }
+        ResolverContext.Reset();
+        return TStatus::Ok;
+    }
+
+private:
+    TDqFunctionState::TPtr State;
+    NThreading::TFuture<void> AllFutures;
+    TResolverContext::TPtr ResolverContext;
+};
+}
+
+THolder<IGraphTransformer> CreateDqFunctionMetaLoader(TDqFunctionState::TPtr state) {
+    return THolder(new TDqFunctionResolverTransform(state));
+}
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_provider.cpp b/ydb/library/yql/providers/external_function/provider/dq_function_provider.cpp
new file mode 100644
index 0000000000..fbcf9ce7cd
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_provider.cpp
@@ -0,0 +1,49 @@
+#include "dq_function_provider.h"
+
+#include <ydb/library/yql/providers/common/provider/yql_provider_names.h>
+#include <ydb/library/yql/providers/common/proto/gateways_config.pb.h>
+#include <ydb/library/yql/providers/common/schema/expr/yql_expr_schema.h>
+#include <ydb/library/yql/core/yql_data_provider.h>
+#include <ydb/library/yql/core/yql_type_annotation.h>
+
+namespace NYql {
+
+TDataProviderInitializer GetDqFunctionDataProviderInitializer(
+        ISecuredServiceAccountCredentialsFactory::TPtr credentialsFactory,
+        TDqFunctionGatewayFactory::TPtr gatewayFactory,
+        // TRunActorParams.TScope
+        const TString& scopeFolderId) {
+
+    return [credentialsFactory, gatewayFactory, scopeFolderId] (
+                const TString& userName,
+                const TString& sessionId,
+                const TGatewaysConfig* gatewaysConfig,
+                const NKikimr::NMiniKQL::IFunctionRegistry* functionRegistry,
+                TIntrusivePtr<IRandomProvider> randomProvider,
+                TIntrusivePtr<TTypeAnnotationContext> typeCtx,
+                const TOperationProgressWriter& progressWriter,
+                const TYqlOperationOptions& operationOptions)
+        {
+
+            Y_UNUSED(userName);
+            Y_UNUSED(gatewaysConfig);
+            Y_UNUSED(functionRegistry);
+            Y_UNUSED(randomProvider);
+            Y_UNUSED(typeCtx);
+            Y_UNUSED(progressWriter);
+            Y_UNUSED(operationOptions);
+
+            auto state = MakeIntrusive<TDqFunctionState>();
+            state->SessionId = sessionId;
+            state->GatewayFactory = gatewayFactory;
+            state->ScopeFolderId = scopeFolderId;
+
+            TDataProviderInfo provider;
+            provider.Names.insert({TString{FunctionProviderName}});
+            provider.Source = CreateDqFunctionDataSource(state);
+            // TODO Sink
+            return provider;
+        };
+}
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_provider.h b/ydb/library/yql/providers/external_function/provider/dq_function_provider.h
new file mode 100644
index 0000000000..3aa6566108
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_provider.h
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <ydb/library/yql/providers/common/token_accessor/client/factory.h>
+#include <ydb/library/yql/providers/external_function/gateway/dq_function_gateway.h>
+#include <ydb/library/yql/providers/external_function/common/dq_function_types.h>
+#include <ydb/library/yql/providers/common/provider/yql_data_provider_impl.h>
+
+#include <util/generic/string.h>
+#include <util/generic/ptr.h>
+
+namespace NYql::NDqFunction {
+
+struct TDqFunctionState : public TThrRefBase {
+    using TPtr = TIntrusivePtr<TDqFunctionState>;
+
+    TString SessionId;
+    TString ScopeFolderId;
+
+    TDqFunctionResolver::TPtr FunctionsResolver = MakeIntrusive<TDqFunctionResolver>();
+    TDqFunctionGatewayFactory::TPtr GatewayFactory;
+    TDqFunctionsSet FunctionsDescription;
+};
+
+TIntrusivePtr<IDataProvider> CreateDqFunctionDataSource(TDqFunctionState::TPtr state);
+//TIntrusivePtr<IDataProvider> CreateDqFunctionDataSink(TDqFunctionState::TPtr state);
+}
+
+namespace NYql {
+
+TDataProviderInitializer GetDqFunctionDataProviderInitializer(
+        ISecuredServiceAccountCredentialsFactory::TPtr credentialsFactory,
+        TDqFunctionGatewayFactory::TPtr gatewayFactory,
+        const TString& scopeFolderId = {});
+
+}
\ No newline at end of file
diff --git a/ydb/library/yql/providers/external_function/provider/dq_function_provider_impl.h b/ydb/library/yql/providers/external_function/provider/dq_function_provider_impl.h
new file mode 100644
index 0000000000..6c37e858eb
--- /dev/null
+++ b/ydb/library/yql/providers/external_function/provider/dq_function_provider_impl.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "dq_function_provider.h"
+
+#include <ydb/library/yql/providers/common/transform/yql_visit.h>
+#include <ydb/library/yql/core/yql_graph_transformer.h>
+
+namespace NYql {
+
+THolder<TVisitorTransformerBase> CreateDqFunctionIntentTransformer(TDqFunctionState::TPtr state);
+THolder<IGraphTransformer> CreateDqFunctionMetaLoader(TDqFunctionState::TPtr state);
+
+}
\ No newline at end of file