| /*------------------------------------------------------------------------- |
| * |
| * heap.h |
| * prototypes for functions in backend/catalog/heap.c |
| * |
| * |
| * Portions Copyright (c) 2005-2008, Greenplum inc |
| * Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates. |
| * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * src/include/catalog/heap.h |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef HEAP_H |
| #define HEAP_H |
| |
| #include "catalog/indexing.h" |
| #include "catalog/objectaddress.h" |
| #include "parser/parse_node.h" |
| |
| |
| /* flag bits for CheckAttributeType/CheckAttributeNamesTypes */ |
| #define CHKATYPE_ANYARRAY 0x01 /* allow ANYARRAY */ |
| #define CHKATYPE_ANYRECORD 0x02 /* allow RECORD and RECORD[] */ |
| #define CHKATYPE_IS_PARTKEY 0x04 /* attname is part key # not column */ |
| |
| typedef struct RawColumnDefault |
| { |
| AttrNumber attnum; /* attribute to attach default to */ |
| Node *raw_default; /* default value (untransformed parse tree) */ |
| bool missingMode; /* true if part of add column processing */ |
| char generated; /* attgenerated setting */ |
| bool hasCookedMissingVal; |
| bool missingIsNull; |
| Datum missingVal; |
| } RawColumnDefault; |
| |
| typedef struct CookedConstraint |
| { |
| /* |
| * In PostgreSQL, this struct is only during CREATE TABLE processing, but |
| * in GPDB, we create these in the QD and dispatch pre-built |
| * CookedConstraints to the QE nodes, in the CreateStmt. That's why we |
| * need to have a node tag and copy/out/read function support for this |
| * in GPDB. |
| */ |
| NodeTag type; |
| ConstrType contype; /* CONSTR_DEFAULT or CONSTR_CHECK */ |
| Oid conoid; /* constr OID if created, otherwise Invalid */ |
| char *name; /* name, or NULL if none */ |
| AttrNumber attnum; /* which attr (only for DEFAULT) */ |
| Node *expr; /* transformed default or check expr */ |
| bool skip_validation; /* skip validation? (only for CHECK) */ |
| bool is_local; /* constraint has local (non-inherited) def */ |
| int inhcount; /* number of times constraint is inherited */ |
| bool is_no_inherit; /* constraint has local def and cannot be |
| * inherited */ |
| /* |
| * Remember to update copy/out/read functions if new fields are added |
| * here! |
| */ |
| } CookedConstraint; |
| |
| extern Relation heap_create(const char *relname, |
| Oid relnamespace, |
| Oid reltablespace, |
| Oid relid, |
| Oid relfilenode, |
| Oid accessmtd, |
| TupleDesc tupDesc, |
| char relkind, |
| char relpersistence, |
| bool shared_relation, |
| bool mapped_relation, |
| bool allow_system_table_mods, |
| TransactionId *relfrozenxid, |
| MultiXactId *relminmxid); |
| |
| extern Oid heap_create_with_catalog(const char *relname, |
| Oid relnamespace, |
| Oid reltablespace, |
| Oid relid, |
| Oid reltypeid, |
| Oid reloftypeid, |
| Oid ownerid, |
| Oid accessmtd, |
| TupleDesc tupdesc, |
| List *cooked_constraints, |
| char relkind, |
| char relpersistence, |
| bool shared_relation, |
| bool mapped_relation, |
| OnCommitAction oncommit, |
| const struct GpPolicy *policy, /* MPP */ |
| Datum reloptions, |
| bool use_user_acl, |
| bool allow_system_table_mods, |
| bool is_internal, |
| Oid relrewrite, |
| ObjectAddress *typaddress, |
| bool valid_opts); |
| |
| extern void heap_drop_with_catalog(Oid relid); |
| |
| extern void heap_truncate(List *relids); |
| |
| extern void heap_truncate_one_rel(Relation rel); |
| |
| extern void heap_truncate_check_FKs(List *relations, bool tempTables); |
| |
| extern List *heap_truncate_find_FKs(List *relationIds); |
| |
| extern void InsertPgAttributeTuples(Relation pg_attribute_rel, |
| TupleDesc tupdesc, |
| Oid new_rel_oid, |
| Datum *attoptions, |
| CatalogIndexState indstate); |
| |
| extern void InsertPgClassTuple(Relation pg_class_desc, |
| Relation new_rel_desc, |
| Oid new_rel_oid, |
| Datum relacl, |
| Datum reloptions); |
| |
| extern List *AddRelationNewConstraints(Relation rel, |
| List *newColDefaults, |
| List *newConstraints, |
| bool allow_merge, |
| bool is_local, |
| bool is_internal, |
| const char *queryString); |
| extern List *AddRelationConstraints(Relation rel, |
| List *rawColDefaults, |
| List *constraints); |
| |
| extern void RelationClearMissing(Relation rel); |
| extern void SetAttrMissing(Oid relid, char *attname, char *value); |
| |
| extern Oid StoreAttrDefault(Relation rel, AttrNumber attnum, |
| Node *expr, |
| bool *cookedMissingVal, |
| Datum *missingval_p, |
| bool *missingIsNull_p, |
| bool is_internal, |
| bool add_column_mode); |
| |
| extern Node *cookDefault(ParseState *pstate, |
| Node *raw_default, |
| Oid atttypid, |
| int32 atttypmod, |
| const char *attname, |
| char attgenerated); |
| |
| extern void DeleteRelationTuple(Oid relid); |
| extern void DeleteAttributeTuples(Oid relid); |
| extern void DeleteSystemAttributeTuples(Oid relid); |
| extern void RemoveAttributeById(Oid relid, AttrNumber attnum); |
| extern void RemoveAttrDefault(Oid relid, AttrNumber attnum, |
| DropBehavior behavior, bool complain, bool internal); |
| extern void RemoveAttrDefaultById(Oid attrdefId); |
| extern void CopyStatistics(Oid fromrelid, Oid torelid); |
| extern void RemoveStatistics(Oid relid, AttrNumber attnum); |
| |
| extern const FormData_pg_attribute *SystemAttributeDefinition(AttrNumber attno); |
| |
| extern const FormData_pg_attribute *SystemAttributeByName(const char *attname); |
| |
| extern void CheckAttributeNamesTypes(TupleDesc tupdesc, char relkind, |
| int flags); |
| |
| extern void CheckAttributeType(const char *attname, |
| Oid atttypid, Oid attcollation, |
| List *containing_rowtypes, |
| int flags); |
| |
| /* pg_partitioned_table catalog manipulation functions */ |
| extern void StorePartitionKey(Relation rel, |
| char strategy, |
| int16 partnatts, |
| AttrNumber *partattrs, |
| List *partexprs, |
| Oid *partopclass, |
| Oid *partcollation); |
| extern void RemovePartitionKeyByRelId(Oid relid); |
| extern void StorePartitionBound(Relation rel, Relation parent, |
| PartitionBoundSpec *bound); |
| |
| /* MPP-6929: metadata tracking */ |
| extern void MetaTrackAddObject(Oid classid, |
| Oid objoid, |
| Oid relowner, |
| char* actionname, |
| char* subtype); |
| extern void MetaTrackUpdObject(Oid classid, |
| Oid objoid, |
| Oid relowner, |
| char* actionname, |
| char* subtype); |
| extern void MetaTrackDropObject(Oid classid, |
| Oid objoid); |
| |
| #define MetaTrackValidRelkind(relkind) \ |
| (((relkind) == RELKIND_RELATION) \ |
| || ((relkind) == RELKIND_INDEX) \ |
| || ((relkind) == RELKIND_SEQUENCE) \ |
| || ((relkind) == RELKIND_VIEW)) |
| |
| #endif /* HEAP_H */ |
