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27 lines
643 B
C++
27 lines
643 B
C++
#include "addTypeConversionToAST.h"
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#include <Parsers/ASTLiteral.h>
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#include <Parsers/ASTFunction.h>
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#include <Parsers/ASTExpressionList.h>
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#include <Parsers/ASTWithAlias.h>
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namespace DB
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{
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ASTPtr addTypeConversionToAST(ASTPtr && ast, const String & type_name)
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{
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auto func = makeASTFunction("CAST", ast, std::make_shared<ASTLiteral>(type_name));
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if (ASTWithAlias * ast_with_alias = dynamic_cast<ASTWithAlias *>(ast.get()))
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{
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func->alias = ast_with_alias->alias;
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func->prefer_alias_to_column_name = ast_with_alias->prefer_alias_to_column_name;
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ast_with_alias->alias.clear();
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}
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return func;
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}
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}
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