Library import 5, delete go dependencies (#832)

* Library import 5, delete go dependencies

* Fix yt client

1 files changed, 0 insertions, 130 deletions

diff --git a/contrib/clickhouse/src/Databases/MySQL/FetchTablesColumnsList.cpp b/contrib/clickhouse/src/Databases/MySQL/FetchTablesColumnsList.cpp
deleted file mode 100644
index 2597834d8b3..00000000000
--- a/contrib/clickhouse/src/Databases/MySQL/FetchTablesColumnsList.cpp
+++ /dev/null
@@ -1,130 +0,0 @@
-#include "clickhouse_config.h"
-
-#if USE_MYSQL
-#include <Core/Block.h>
-#include <Databases/MySQL/FetchTablesColumnsList.h>
-#include <DataTypes/convertMySQLDataType.h>
-#include <DataTypes/DataTypeString.h>
-#include <DataTypes/DataTypesNumber.h>
-#include <Processors/Executors/PullingPipelineExecutor.h>
-#include <QueryPipeline/QueryPipelineBuilder.h>
-#error #include <Processors/Sources/MySQLSource.h>
-#include <IO/WriteBufferFromString.h>
-#include <IO/WriteHelpers.h>
-#include <IO/Operators.h>
-
-#include <memory>
-
-namespace
-{
-using namespace DB;
-
-String toQueryStringWithQuote(const std::vector<String> & quote_list)
-{
-    WriteBufferFromOwnString quote_list_query;
-    quote_list_query << "(";
-
-    for (size_t index = 0; index < quote_list.size(); ++index)
-    {
-        if (index)
-            quote_list_query << ",";
-
-        quote_list_query << quote << quote_list[index];
-    }
-
-    quote_list_query << ")";
-    return quote_list_query.str();
-}
-}
-
-namespace DB
-{
-
-std::map<String, ColumnsDescription> fetchTablesColumnsList(
-        mysqlxx::PoolWithFailover & pool,
-        const String & database_name,
-        const std::vector<String> & tables_name,
-        const Settings & settings,
-        MultiEnum<MySQLDataTypesSupport> type_support)
-{
-    std::map<String, ColumnsDescription> tables_and_columns;
-
-    if (tables_name.empty())
-        return tables_and_columns;
-
-    Block tables_columns_sample_block
-    {
-        { std::make_shared<DataTypeString>(),   "table_name" },
-        { std::make_shared<DataTypeString>(),   "column_name" },
-        { std::make_shared<DataTypeString>(),   "column_type" },
-        { std::make_shared<DataTypeUInt8>(),    "is_nullable" },
-        { std::make_shared<DataTypeUInt8>(),    "is_unsigned" },
-        { std::make_shared<DataTypeUInt64>(),   "length" },
-        { std::make_shared<DataTypeUInt64>(),   "precision" },
-        { std::make_shared<DataTypeUInt64>(),   "scale" },
-        { std::make_shared<DataTypeString>(),   "column_comment" },
-    };
-
-    WriteBufferFromOwnString query;
-    query << "SELECT "
-             " TABLE_NAME AS table_name,"
-             " COLUMN_NAME AS column_name,"
-             " COLUMN_TYPE AS column_type,"
-             " IS_NULLABLE = 'YES' AS is_nullable,"
-             " COLUMN_TYPE LIKE '%unsigned' AS is_unsigned,"
-             " CHARACTER_MAXIMUM_LENGTH AS length,"
-             " NUMERIC_PRECISION AS numeric_precision,"
-             " IF(ISNULL(NUMERIC_SCALE), DATETIME_PRECISION, NUMERIC_SCALE) AS scale," // we know DATETIME_PRECISION as a scale in CH
-             " COLUMN_COMMENT AS column_comment"
-             " FROM INFORMATION_SCHEMA.COLUMNS"
-             " WHERE ";
-
-    if (!database_name.empty())
-        query << " TABLE_SCHEMA = " << quote << database_name << " AND ";
-
-    query << " TABLE_NAME IN " << toQueryStringWithQuote(tables_name) << " ORDER BY ORDINAL_POSITION";
-
-    StreamSettings mysql_input_stream_settings(settings);
-    auto result = std::make_unique<MySQLSource>(pool.get(), query.str(), tables_columns_sample_block, mysql_input_stream_settings);
-    QueryPipeline pipeline(std::move(result));
-
-    Block block;
-    PullingPipelineExecutor executor(pipeline);
-    while (executor.pull(block))
-    {
-        const auto & table_name_col = *block.getByPosition(0).column;
-        const auto & column_name_col = *block.getByPosition(1).column;
-        const auto & column_type_col = *block.getByPosition(2).column;
-        const auto & is_nullable_col = *block.getByPosition(3).column;
-        const auto & is_unsigned_col = *block.getByPosition(4).column;
-        const auto & char_max_length_col = *block.getByPosition(5).column;
-        const auto & precision_col = *block.getByPosition(6).column;
-        const auto & scale_col = *block.getByPosition(7).column;
-        const auto & column_comment_col = *block.getByPosition(8).column;
-
-        size_t rows = block.rows();
-        for (size_t i = 0; i < rows; ++i)
-        {
-            String table_name = table_name_col[i].safeGet<String>();
-            ColumnDescription column_description(
-                        column_name_col[i].safeGet<String>(),
-                        convertMySQLDataType(
-                                type_support,
-                                column_type_col[i].safeGet<String>(),
-                                settings.external_table_functions_use_nulls && is_nullable_col[i].safeGet<UInt64>(),
-                                is_unsigned_col[i].safeGet<UInt64>(),
-                                char_max_length_col[i].safeGet<UInt64>(),
-                                precision_col[i].safeGet<UInt64>(),
-                                scale_col[i].safeGet<UInt64>())
-            );
-            column_description.comment = column_comment_col[i].safeGet<String>();
-
-            tables_and_columns[table_name].add(column_description);
-        }
-    }
-    return tables_and_columns;
-}
-
-}
-
-#endif