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authorqrort <qrort@yandex-team.com>2022-11-30 23:47:12 +0300
committerqrort <qrort@yandex-team.com>2022-11-30 23:47:12 +0300
commit22f8ae0e3f5d68b92aecccdf96c1d841a0334311 (patch)
treebffa27765faf54126ad44bcafa89fadecb7a73d7 /library/cpp/deprecated/datafile/loadmode.h
parent332b99e2173f0425444abb759eebcb2fafaa9209 (diff)
downloadydb-22f8ae0e3f5d68b92aecccdf96c1d841a0334311.tar.gz
validate canons without yatest_common
Diffstat (limited to 'library/cpp/deprecated/datafile/loadmode.h')
-rw-r--r--library/cpp/deprecated/datafile/loadmode.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/library/cpp/deprecated/datafile/loadmode.h b/library/cpp/deprecated/datafile/loadmode.h
new file mode 100644
index 00000000000..f04054dd645
--- /dev/null
+++ b/library/cpp/deprecated/datafile/loadmode.h
@@ -0,0 +1,20 @@
+#pragma once
+
+// It is recommended to support all reasonal value combinations via this enum,
+// to let Load() function argument be of EDataLoadMode type, not just int type
+
+enum EDataLoadMode {
+ DLM_READ = 0,
+ DLM_MMAP_PRC = 1, // precharge
+ DLM_MMAP = 2, // w/o precharge
+ DLM_MMAP_AUTO_PRC = 3, // precharge automatically (same as DLM_MMAP unless specifically supported)
+ DLM_LD_TYPE_MASK = 15,
+ DLM_EXACT_SIZE = 16, // fail if input file is larger than what header says
+
+ DLM_READ_ESZ = DLM_READ | DLM_EXACT_SIZE,
+ DLM_MMAP_PRC_ESZ = DLM_MMAP_PRC | DLM_EXACT_SIZE,
+ DLM_MMAP_ESZ = DLM_MMAP | DLM_EXACT_SIZE,
+ DLM_MMAP_APRC_ESZ = DLM_MMAP_AUTO_PRC | DLM_EXACT_SIZE,
+
+ DLM_DEFAULT = DLM_MMAP_PRC_ESZ,
+};