contrib/clickhouse/src/Parsers/Access/ASTDropAccessEntityQuery.h


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#pragma once

#include <Parsers/IAST.h>
#include <Parsers/ASTQueryWithOnCluster.h>
#include <Access/Common/AccessEntityType.h>


namespace DB
{
class ASTRowPolicyNames;

/** DROP USER [IF EXISTS] name [,...]
  * DROP ROLE [IF EXISTS] name [,...]
  * DROP QUOTA [IF EXISTS] name [,...]
  * DROP [ROW] POLICY [IF EXISTS] name [,...] ON [database.]table [,...]
  * DROP [SETTINGS] PROFILE [IF EXISTS] name [,...]
  */
class ASTDropAccessEntityQuery : public IAST, public ASTQueryWithOnCluster
{
public:
    AccessEntityType type;
    bool if_exists = false;
    Strings names;
    String storage_name;
    std::shared_ptr<ASTRowPolicyNames> row_policy_names;

    String getID(char) const override;
    ASTPtr clone() const override;
    void formatImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const override;
    ASTPtr getRewrittenASTWithoutOnCluster(const WithoutOnClusterASTRewriteParams &) const override { return removeOnCluster<ASTDropAccessEntityQuery>(clone()); }

    void replaceEmptyDatabase(const String & current_database) const;

    QueryKind getQueryKind() const override { return QueryKind::Drop; }
};
}