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Small cleanups related to PUBLICATION framework code 

Discussion: https://postgr.es/m/202112302021.ca7ihogysgh3@alvherre.pgsql
This commit is contained in:
Alvaro Herrera 2021-12-30 19:24:26 -03:00
parent c7cf73eb7b
commit c9105dd366
No known key found for this signature in database
GPG Key ID: 1C20ACB9D5C564AE
6 changed files with 40 additions and 34 deletions
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11
src/backend/catalog/pg_publication.c
View File

@ -287,7 +287,7 @@ publication_add_relation(Oid pubid, PublicationRelInfo *targetrel,
Datum values[Natts_pg_publication_rel];
bool nulls[Natts_pg_publication_rel];
Oid relid = RelationGetRelid(targetrel->relation);
Oid prrelid;
Oid pubreloid;
Publication *pub = GetPublication(pubid);
ObjectAddress myself,
referenced;
@ -320,9 +320,9 @@ publication_add_relation(Oid pubid, PublicationRelInfo *targetrel,
memset(values, 0, sizeof(values));
memset(nulls, false, sizeof(nulls));
prrelid = GetNewOidWithIndex(rel, PublicationRelObjectIndexId,
Anum_pg_publication_rel_oid);
values[Anum_pg_publication_rel_oid - 1] = ObjectIdGetDatum(prrelid);
pubreloid = GetNewOidWithIndex(rel, PublicationRelObjectIndexId,
Anum_pg_publication_rel_oid);
values[Anum_pg_publication_rel_oid - 1] = ObjectIdGetDatum(pubreloid);
values[Anum_pg_publication_rel_prpubid - 1] =
ObjectIdGetDatum(pubid);
values[Anum_pg_publication_rel_prrelid - 1] =
@ -334,7 +334,8 @@ publication_add_relation(Oid pubid, PublicationRelInfo *targetrel,
CatalogTupleInsert(rel, tup);
heap_freetuple(tup);
ObjectAddressSet(myself, PublicationRelRelationId, prrelid);
/* Register dependencies as needed */
ObjectAddressSet(myself, PublicationRelRelationId, pubreloid);
/* Add dependency on the publication */
ObjectAddressSet(referenced, PublicationRelationId, pubid);

26
src/backend/commands/publicationcmds.c
View File

@ -48,7 +48,7 @@
#include "utils/syscache.h"
#include "utils/varlena.h"
static List *OpenReliIdList(List *relids);
static List *OpenRelIdList(List *relids);
static List *OpenTableList(List *tables);
static void CloseTableList(List *rels);
static void LockSchemaList(List *schemalist);
@ -169,13 +169,13 @@ ObjectsInPublicationToOids(List *pubobjspec_list, ParseState *pstate,
case PUBLICATIONOBJ_TABLE:
*rels = lappend(*rels, pubobj->pubtable);
break;
case PUBLICATIONOBJ_TABLE_IN_SCHEMA:
case PUBLICATIONOBJ_TABLES_IN_SCHEMA:
schemaid = get_namespace_oid(pubobj->name, false);
/* Filter out duplicates if user specifies "sch1, sch1" */
*schemas = list_append_unique_oid(*schemas, schemaid);
break;
case PUBLICATIONOBJ_TABLE_IN_CUR_SCHEMA:
case PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA:
search_path = fetch_search_path(false);
if (search_path == NIL) /* nothing valid in search_path? */
ereport(ERROR,
@ -214,7 +214,7 @@ CheckObjSchemaNotAlreadyInPublication(List *rels, List *schemaidlist,
if (list_member_oid(schemaidlist, relSchemaId))
{
if (checkobjtype == PUBLICATIONOBJ_TABLE_IN_SCHEMA)
if (checkobjtype == PUBLICATIONOBJ_TABLES_IN_SCHEMA)
ereport(ERROR,
errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("cannot add schema \"%s\" to publication",
@ -499,8 +499,9 @@ AlterPublicationTables(AlterPublicationStmt *stmt, HeapTuple tup,
Oid pubid = pubform->oid;
/*
* It is quite possible that for the SET case user has not specified any
* tables in which case we need to remove all the existing tables.
* Nothing to do if no objects, except in SET: for that it is quite
* possible that user has not specified any tables in which case we need
* to remove all the existing tables.
*/
if (!tables && stmt->action != DEFELEM_SET)
return;
@ -593,8 +594,9 @@ AlterPublicationSchemas(AlterPublicationStmt *stmt,
Form_pg_publication pubform = (Form_pg_publication) GETSTRUCT(tup);
/*
* It is quite possible that for the SET case user has not specified any
* schemas in which case we need to remove all the existing schemas.
* Nothing to do if no objects, except in SET: for that it is quite
* possible that user has not specified any schemas in which case we need
* to remove all the existing schemas.
*/
if (!schemaidlist && stmt->action != DEFELEM_SET)
return;
@ -610,10 +612,10 @@ AlterPublicationSchemas(AlterPublicationStmt *stmt,
List *reloids;
reloids = GetPublicationRelations(pubform->oid, PUBLICATION_PART_ROOT);
rels = OpenReliIdList(reloids);
rels = OpenRelIdList(reloids);
CheckObjSchemaNotAlreadyInPublication(rels, schemaidlist,
PUBLICATIONOBJ_TABLE_IN_SCHEMA);
PUBLICATIONOBJ_TABLES_IN_SCHEMA);
CloseTableList(rels);
PublicationAddSchemas(pubform->oid, schemaidlist, false, stmt);
@ -813,7 +815,7 @@ RemovePublicationById(Oid pubid)
if (!HeapTupleIsValid(tup))
elog(ERROR, "cache lookup failed for publication %u", pubid);
pubform = (Form_pg_publication)GETSTRUCT(tup);
pubform = (Form_pg_publication) GETSTRUCT(tup);
/* Invalidate relcache so that publication info is rebuilt. */
if (pubform->puballtables)
@ -868,7 +870,7 @@ RemovePublicationSchemaById(Oid psoid)
* add them to a publication.
*/
static List *
OpenReliIdList(List *relids)
OpenRelIdList(List *relids)
{
ListCell *lc;
List *rels = NIL;

3
src/backend/commands/tablecmds.c
View File

@ -40,8 +40,8 @@
#include "catalog/pg_inherits.h"
#include "catalog/pg_namespace.h"
#include "catalog/pg_opclass.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_statistic_ext.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_trigger.h"
#include "catalog/pg_type.h"
#include "catalog/storage.h"
@ -15626,7 +15626,6 @@ ATExecReplicaIdentity(Relation rel, ReplicaIdentityStmt *stmt, LOCKMODE lockmode
else
elog(ERROR, "unexpected identity type %u", stmt->identity_type);
/* Check that the index exists */
indexOid = get_relname_relid(stmt->name, rel->rd_rel->relnamespace);
if (!OidIsValid(indexOid))

20
src/backend/parser/gram.y
View File

@ -9750,14 +9750,14 @@ PublicationObjSpec:
| ALL TABLES IN_P SCHEMA ColId
{
$$ = makeNode(PublicationObjSpec);
$$->pubobjtype = PUBLICATIONOBJ_TABLE_IN_SCHEMA;
$$->pubobjtype = PUBLICATIONOBJ_TABLES_IN_SCHEMA;
$$->name = $5;
$$->location = @5;
}
| ALL TABLES IN_P SCHEMA CURRENT_SCHEMA
{
$$ = makeNode(PublicationObjSpec);
$$->pubobjtype = PUBLICATIONOBJ_TABLE_IN_CUR_SCHEMA;
$$->pubobjtype = PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA;
$$->location = @5;
}
| ColId
@ -17411,7 +17411,8 @@ preprocess_pubobj_list(List *pubobjspec_list, core_yyscan_t yyscanner)
if (pubobj->pubobjtype == PUBLICATIONOBJ_CONTINUATION)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("TABLE/ALL TABLES IN SCHEMA should be specified before the table/schema name(s)"),
errmsg("invalid publication object list"),
errdetail("One of TABLE or ALL TABLES IN SCHEMA must be specified before a standalone table or schema name."),
parser_errposition(pubobj->location));
foreach(cell, pubobjspec_list)
@ -17433,23 +17434,24 @@ preprocess_pubobj_list(List *pubobjspec_list, core_yyscan_t yyscanner)
{
/* convert it to PublicationTable */
PublicationTable *pubtable = makeNode(PublicationTable);
pubtable->relation = makeRangeVar(NULL, pubobj->name,
pubobj->location);
pubtable->relation =
makeRangeVar(NULL, pubobj->name, pubobj->location);
pubobj->pubtable = pubtable;
pubobj->name = NULL;
}
}
else if (pubobj->pubobjtype == PUBLICATIONOBJ_TABLE_IN_SCHEMA ||
pubobj->pubobjtype == PUBLICATIONOBJ_TABLE_IN_CUR_SCHEMA)
else if (pubobj->pubobjtype == PUBLICATIONOBJ_TABLES_IN_SCHEMA ||
pubobj->pubobjtype == PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA)
{
/*
* We can distinguish between the different type of schema
* objects based on whether name and pubtable is set.
*/
if (pubobj->name)
pubobj->pubobjtype = PUBLICATIONOBJ_TABLE_IN_SCHEMA;
pubobj->pubobjtype = PUBLICATIONOBJ_TABLES_IN_SCHEMA;
else if (!pubobj->name && !pubobj->pubtable)
pubobj->pubobjtype = PUBLICATIONOBJ_TABLE_IN_CUR_SCHEMA;
pubobj->pubobjtype = PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA;
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),

8
src/include/nodes/parsenodes.h
View File

@ -3649,10 +3649,10 @@ typedef struct PublicationTable
*/
typedef enum PublicationObjSpecType
{
PUBLICATIONOBJ_TABLE, /* Table type */
PUBLICATIONOBJ_TABLE_IN_SCHEMA, /* Tables in schema type */
PUBLICATIONOBJ_TABLE_IN_CUR_SCHEMA, /* Get the first element from
* search_path */
PUBLICATIONOBJ_TABLE, /* A table */
PUBLICATIONOBJ_TABLES_IN_SCHEMA, /* All tables in schema */
PUBLICATIONOBJ_TABLES_IN_CUR_SCHEMA, /* All tables in first element of
* search_path */
PUBLICATIONOBJ_CONTINUATION /* Continuation of previous type */
} PublicationObjSpecType;

6
src/test/regress/expected/publication.out
View File

@ -509,9 +509,10 @@ RESET SEARCH_PATH;
-- check create publication on CURRENT_SCHEMA where TABLE/ALL TABLES in SCHEMA
-- is not specified
CREATE PUBLICATION testpub_forschema1 FOR CURRENT_SCHEMA;
ERROR: TABLE/ALL TABLES IN SCHEMA should be specified before the table/schema name(s)
ERROR: invalid publication object list
LINE 1: CREATE PUBLICATION testpub_forschema1 FOR CURRENT_SCHEMA;
^
DETAIL: One of TABLE or ALL TABLES IN SCHEMA must be specified before a standalone table or schema name.
-- check create publication on CURRENT_SCHEMA along with FOR TABLE
CREATE PUBLICATION testpub_forschema1 FOR TABLE CURRENT_SCHEMA;
ERROR: syntax error at or near "CURRENT_SCHEMA"
@ -778,9 +779,10 @@ Tables from schemas:
-- fail specifying table without any of 'FOR ALL TABLES IN SCHEMA' or
--'FOR TABLE' or 'FOR ALL TABLES'
CREATE PUBLICATION testpub_error FOR pub_test2.tbl1;
ERROR: TABLE/ALL TABLES IN SCHEMA should be specified before the table/schema name(s)
ERROR: invalid publication object list
LINE 1: CREATE PUBLICATION testpub_error FOR pub_test2.tbl1;
^
DETAIL: One of TABLE or ALL TABLES IN SCHEMA must be specified before a standalone table or schema name.
DROP VIEW testpub_view;
DROP PUBLICATION testpub_default;
DROP PUBLICATION testpib_ins_trunct;