citus/src/backend/distributed/commands/owned.c

91 lines
2.4 KiB
C

/*-------------------------------------------------------------------------
*
* owned.c
* Commands for DROP OWNED statements.
*
* Copyright (c) Citus Data, Inc.
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "access/heapam.h"
#include "access/htup_details.h"
#include "access/genam.h"
#include "access/table.h"
#include "access/xact.h"
#include "catalog/catalog.h"
#include "catalog/pg_auth_members.h"
#include "catalog/pg_authid.h"
#include "catalog/pg_db_role_setting.h"
#include "catalog/pg_type.h"
#include "catalog/objectaddress.h"
#include "commands/dbcommands.h"
#include "distributed/citus_ruleutils.h"
#include "distributed/citus_safe_lib.h"
#include "distributed/commands.h"
#include "distributed/commands/utility_hook.h"
#include "distributed/deparser.h"
#include "distributed/listutils.h"
#include "distributed/coordinator_protocol.h"
#include "distributed/metadata/distobject.h"
#include "distributed/metadata_sync.h"
#include "distributed/metadata/distobject.h"
#include "distributed/multi_executor.h"
#include "distributed/relation_access_tracking.h"
#include "distributed/version_compat.h"
#include "distributed/worker_transaction.h"
#include "miscadmin.h"
#include "nodes/makefuncs.h"
#include "nodes/parsenodes.h"
#include "nodes/pg_list.h"
#include "parser/scansup.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
#include "utils/rel.h"
#include "utils/varlena.h"
#include "utils/syscache.h"
/*
* PreprocessDropOwnedStmt finds the distributed role out of the ones
* being dropped and unmarks them distributed and creates the drop statements
* for the workers.
*/
List *
PreprocessDropOwnedStmt(Node *node, const char *queryString,
ProcessUtilityContext processUtilityContext)
{
DropOwnedStmt *stmt = castNode(DropOwnedStmt, node);
List *allDropRoles = stmt->roles;
List *distributedDropRoles = FilterDistributedRoles(allDropRoles);
if (list_length(distributedDropRoles) <= 0)
{
return NIL;
}
if (!ShouldPropagate())
{
return NIL;
}
/* check creation against multi-statement transaction policy */
if (!ShouldPropagateCreateInCoordinatedTransction())
{
return NIL;
}
EnsureCoordinator();
stmt->roles = distributedDropRoles;
char *sql = DeparseTreeNode((Node *) stmt);
stmt->roles = allDropRoles;
List *commands = list_make3(DISABLE_DDL_PROPAGATION,
sql,
ENABLE_DDL_PROPAGATION);
return NodeDDLTaskList(NON_COORDINATOR_NODES, commands);
}