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24 lines
567 B
C++
24 lines
567 B
C++
#pragma once
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#include <Parsers/IAST.h>
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#include <map>
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namespace DB
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{
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class ASTSelectWithUnionQuery;
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class ASTSelectQuery;
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/// Pull out the WITH statement from the first child of ASTSelectWithUnion query if any.
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class ApplyWithGlobalVisitor
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{
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public:
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static void visit(ASTPtr & ast);
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private:
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static void visit(ASTSelectWithUnionQuery & selects, const std::map<String, ASTPtr> & exprs, const ASTPtr & with_expression_list);
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static void visit(ASTSelectQuery & select, const std::map<String, ASTPtr> & exprs, const ASTPtr & with_expression_list);
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};
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}
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