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#pragma once
#include <Parsers/IAST.h>
#include <Parsers/ASTQueryWithOutput.h>
#include <Core/UUID.h>
namespace DB
{
/** Query specifying table name and, possibly, the database and the FORMAT section.
*/
class ASTQueryWithTableAndOutput : public ASTQueryWithOutput
{
public:
ASTPtr database;
ASTPtr table;
UUID uuid = UUIDHelpers::Nil;
bool temporary{false};
String getDatabase() const;
String getTable() const;
// Once database or table are set they cannot be assigned with empty value
void setDatabase(const String & name);
void setTable(const String & name);
void cloneTableOptions(ASTQueryWithTableAndOutput & cloned) const;
protected:
void formatHelper(const FormatSettings & settings, const char * name) const;
};
template <typename AstIDAndQueryNames>
class ASTQueryWithTableAndOutputImpl : public ASTQueryWithTableAndOutput
{
public:
String getID(char delim) const override { return AstIDAndQueryNames::ID + (delim + getDatabase()) + delim + getTable(); }
ASTPtr clone() const override
{
auto res = std::make_shared<ASTQueryWithTableAndOutputImpl<AstIDAndQueryNames>>(*this);
res->children.clear();
cloneOutputOptions(*res);
cloneTableOptions(*res);
return res;
}
QueryKind getQueryKind() const override { return QueryKind::Show; }
protected:
void formatQueryImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const override
{
formatHelper(settings, temporary ? AstIDAndQueryNames::QueryTemporary : AstIDAndQueryNames::Query);
}
};
}
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