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#pragma once
#include <Parsers/ASTQueryWithOnCluster.h>
#include <Parsers/ASTQueryWithTableAndOutput.h>
#include <Parsers/IAST.h>
namespace DB
{
/** CREATE INDEX [IF NOT EXISTS] name ON [db].name (expression) TYPE type GRANULARITY value
*/
class ASTCreateIndexQuery : public ASTQueryWithTableAndOutput, public ASTQueryWithOnCluster
{
public:
ASTPtr index_name;
/// Stores the IndexDeclaration here.
ASTPtr index_decl;
bool if_not_exists{false};
bool unique{false};
String getID(char delim) const override;
ASTPtr clone() const override;
ASTPtr getRewrittenASTWithoutOnCluster(const WithoutOnClusterASTRewriteParams & params) const override
{
return removeOnCluster<ASTCreateIndexQuery>(clone(), params.default_database);
}
QueryKind getQueryKind() const override { return QueryKind::Create; }
/// Convert ASTCreateIndexQuery to ASTAlterCommand
ASTPtr convertToASTAlterCommand() const;
protected:
void formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
};
}
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