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author | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-14 09:58:56 +0300 |
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committer | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-14 10:20:20 +0300 |
commit | c2b2dfd9827a400a8495e172a56343462e3ceb82 (patch) | |
tree | cd4e4f597d01bede4c82dffeb2d780d0a9046bd0 /contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp | |
parent | d4ae8f119e67808cb0cf776ba6e0cf95296f2df7 (diff) | |
download | ydb-c2b2dfd9827a400a8495e172a56343462e3ceb82.tar.gz |
YQ Connector: move tests from yql to ydb (OSS)
Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).
Diffstat (limited to 'contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp')
-rw-r--r-- | contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp b/contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp new file mode 100644 index 0000000000..382964d9fe --- /dev/null +++ b/contrib/clickhouse/src/Storages/extractTableFunctionArgumentsFromSelectQuery.cpp @@ -0,0 +1,29 @@ +#include <Storages/extractTableFunctionArgumentsFromSelectQuery.h> + +#include <Parsers/ASTExpressionList.h> +#include <Parsers/ASTFunction.h> +#include <Parsers/ASTLiteral.h> +#include <Parsers/ASTSelectQuery.h> +#include <Parsers/ASTTablesInSelectQuery.h> +#include <Parsers/queryToString.h> + + +namespace DB +{ + +ASTExpressionList * extractTableFunctionArgumentsFromSelectQuery(ASTPtr & query) +{ + auto * select_query = query->as<ASTSelectQuery>(); + if (!select_query || !select_query->tables()) + return nullptr; + + auto * tables = select_query->tables()->as<ASTTablesInSelectQuery>(); + auto * table_expression = tables->children[0]->as<ASTTablesInSelectQueryElement>()->table_expression->as<ASTTableExpression>(); + if (!table_expression->table_function) + return nullptr; + + auto * table_function = table_expression->table_function->as<ASTFunction>(); + return table_function->arguments->as<ASTExpressionList>(); +} + +} |