greenplumn tablecmds 源码

greenplumn tablecmds 代码

文件路径：/src/include/commands/tablecmds.h

/*-------------------------------------------------------------------------
 *
 * tablecmds.h
 *	  prototypes for tablecmds.c.
 *
 *
 * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/commands/tablecmds.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef TABLECMDS_H
#define TABLECMDS_H

#include "access/attnum.h"
#include "catalog/dependency.h"
#include "catalog/gp_distribution_policy.h"
#include "catalog/pg_am.h"
#include "executor/executor.h"
#include "executor/tuptable.h"
#include "nodes/execnodes.h"
#include "access/htup.h"
#include "catalog/dependency.h"
#include "catalog/objectaddress.h"
#include "nodes/parsenodes.h"
#include "parser/parse_node.h"
#include "storage/lock.h"
#include "utils/relcache.h"

/* Convenient macro for checking AO AMs */
#define IsAccessMethodAO(am_oid) \
	(am_oid == AO_ROW_TABLE_AM_OID || am_oid == AO_COLUMN_TABLE_AM_OID)

extern const char *synthetic_sql;

extern void	DefineExternalRelation(CreateExternalStmt *stmt);

extern ObjectAddress DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
									ObjectAddress *typaddress, const char *queryString, bool dispatch,
									bool useChangedOpts, GpPolicy *intoPolicy);

extern void RemoveRelations(DropStmt *drop);

extern Oid	AlterTableLookupRelation(AlterTableStmt *stmt, LOCKMODE lockmode);

extern void AlterTable(Oid relid, LOCKMODE lockmode, AlterTableStmt *stmt);

extern LOCKMODE AlterTableGetLockLevel(List *cmds);

extern void ATExecChangeOwner(Oid relationOid, Oid newOwnerId, bool recursing, LOCKMODE lockmode);

extern void AlterTableInternal(Oid relid, List *cmds, bool recurse);

extern Oid	AlterTableMoveAll(AlterTableMoveAllStmt *stmt);

extern ObjectAddress AlterTableNamespace(AlterObjectSchemaStmt *stmt,
										 Oid *oldschema);

extern void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid,
										Oid nspOid, ObjectAddresses *objsMoved);

extern void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid,
							Oid nspOid, ObjectAddresses *objsMoved);

extern void AlterRelationNamespaceInternal(Relation classRel, Oid relOid,
										   Oid oldNspOid, Oid newNspOid,
										   bool hasDependEntry,
										   ObjectAddresses *objsMoved);

extern void CheckTableNotInUse(Relation rel, const char *stmt);

extern void ExecuteTruncate(TruncateStmt *stmt);
extern void ExecuteTruncateGuts(List *explicit_rels, List *relids, List *relids_logged,
								DropBehavior behavior, bool restart_seqs, TruncateStmt *stmt);

extern void SetRelationHasSubclass(Oid relationId, bool relhassubclass);

extern ObjectAddress renameatt(RenameStmt *stmt);

extern ObjectAddress renameatt_type(RenameStmt *stmt);

extern ObjectAddress RenameConstraint(RenameStmt *stmt);

extern ObjectAddress RenameRelation(RenameStmt *stmt);

extern void RenameRelationInternal(Oid myrelid,
								   const char *newrelname, bool is_internal,
								   bool is_index);

extern void find_composite_type_dependencies(Oid typeOid,
											 Relation origRelation,
											 const char *origTypeName);

extern void check_of_type(HeapTuple typetuple);

extern void register_on_commit_action(Oid relid, OnCommitAction action);
extern void remove_on_commit_action(Oid relid);

extern void PreCommit_on_commit_actions(void);
extern void AtEOXact_on_commit_actions(bool isCommit);
extern void AtEOSubXact_on_commit_actions(bool isCommit,
										  SubTransactionId mySubid,
										  SubTransactionId parentSubid);

extern Oid get_settable_tablespace_oid(char *tablespacename);

extern void SetSchemaAndConstraints(RangeVar *rangeVar, List **schema, List **constraints);

extern DistributedBy *make_distributedby_for_rel(Relation rel);

extern void RangeVarCallbackOwnsTable(const RangeVar *relation,
									  Oid relId, Oid oldRelId, void *arg);

extern void RangeVarCallbackOwnsRelation(const RangeVar *relation,
										 Oid relId, Oid oldRelId, void *noCatalogs);
extern bool PartConstraintImpliedByRelConstraint(Relation scanrel,
												 List *partConstraint);

/* GPDB specific functions */
extern void ATExecGPPartCmds(Relation origrel, AlterTableCmd *cmd);
extern void GpAlterPartMetaTrackUpdObject(Oid relid, AlterTableType subcmdtype);
extern void GpRenameChildPartitions(Relation targetrelation,
									const char *oldparentrelname,
									const char *newparentrelname);

#endif							/* TABLECMDS_H */

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