Release cache tuple when no longer needed
There was a small buglet in commit 52e4f0cd47
whereby a tuple acquired
from cache was not released, giving rise to WARNING messages; fix that.
While at it, restructure the code a bit on stylistic grounds.
Author: Hou zj <houzj.fnst@fujitsu.com>
Reported-by: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Amit Kapila <amit.kapila16@gmail.com>
Discussion: https://postgr.es/m/CAHut+PvKTyhTBtYCQsP6Ph7=o-oWRSX+v+PXXLXp81-o2bazig@mail.gmail.com
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parent
112fdb3528
commit
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@ -925,8 +925,9 @@ AlterPublicationOptions(ParseState *pstate, AlterPublicationStmt *stmt,
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/*
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* If the publication doesn't publish changes via the root partitioned
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* table, the partition's row filter and column list will be used. So disallow
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* using WHERE clause and column lists on partitioned table in this case.
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* table, the partition's row filter and column list will be used. So
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* disallow using WHERE clause and column lists on partitioned table in
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* this case.
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*/
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if (!pubform->puballtables && publish_via_partition_root_given &&
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!publish_via_partition_root)
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@ -945,60 +946,60 @@ AlterPublicationOptions(ParseState *pstate, AlterPublicationStmt *stmt,
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foreach(lc, root_relids)
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{
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HeapTuple rftuple;
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Oid relid = lfirst_oid(lc);
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bool has_column_list;
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bool has_row_filter;
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HeapTuple rftuple;
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char relkind;
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char *relname;
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bool has_rowfilter;
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bool has_collist;
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/*
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* Beware: we don't have lock on the relations, so cope silently
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* with the cache lookups returning NULL.
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*/
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rftuple = SearchSysCache2(PUBLICATIONRELMAP,
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ObjectIdGetDatum(relid),
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ObjectIdGetDatum(pubform->oid));
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has_row_filter
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= !heap_attisnull(rftuple, Anum_pg_publication_rel_prqual, NULL);
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has_column_list
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= !heap_attisnull(rftuple, Anum_pg_publication_rel_prattrs, NULL);
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if (HeapTupleIsValid(rftuple) &&
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(has_row_filter || has_column_list))
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if (!HeapTupleIsValid(rftuple))
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continue;
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has_rowfilter = !heap_attisnull(rftuple, Anum_pg_publication_rel_prqual, NULL);
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has_collist = !heap_attisnull(rftuple, Anum_pg_publication_rel_prattrs, NULL);
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if (!has_rowfilter && !has_collist)
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{
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HeapTuple tuple;
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tuple = SearchSysCache1(RELOID, ObjectIdGetDatum(relid));
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if (HeapTupleIsValid(tuple))
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{
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Form_pg_class relform = (Form_pg_class) GETSTRUCT(tuple);
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if ((relform->relkind == RELKIND_PARTITIONED_TABLE) &&
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has_row_filter)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("cannot set %s for publication \"%s\"",
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"publish_via_partition_root = false",
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stmt->pubname),
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errdetail("The publication contains a WHERE clause for a partitioned table \"%s\" "
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"which is not allowed when %s is false.",
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NameStr(relform->relname),
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"publish_via_partition_root")));
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if ((relform->relkind == RELKIND_PARTITIONED_TABLE) &&
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has_column_list)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("cannot set %s for publication \"%s\"",
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"publish_via_partition_root = false",
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stmt->pubname),
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errdetail("The publication contains a column list for a partitioned table \"%s\" "
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"which is not allowed when %s is false.",
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NameStr(relform->relname),
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"publish_via_partition_root")));
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ReleaseSysCache(tuple);
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}
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ReleaseSysCache(rftuple);
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continue;
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}
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relkind = get_rel_relkind(relid);
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if (relkind != RELKIND_PARTITIONED_TABLE)
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{
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ReleaseSysCache(rftuple);
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continue;
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}
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relname = get_rel_name(relid);
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if (relname == NULL) /* table concurrently dropped */
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{
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ReleaseSysCache(rftuple);
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continue;
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}
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if (has_rowfilter)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("cannot set parameter \"%s\" to false for publication \"%s\"",
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"publish_via_partition_root",
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stmt->pubname),
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errdetail("The publication contains a WHERE clause for partitioned table \"%s\", which is not allowed when \"%s\" is false.",
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relname, "publish_via_partition_root")));
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Assert(has_collist);
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("cannot set parameter \"%s\" to false for publication \"%s\"",
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"publish_via_partition_root",
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stmt->pubname),
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errdetail("The publication contains a column list for partitioned table \"%s\", which is not allowed when \"%s\" is false.",
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relname, "publish_via_partition_root")));
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}
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}
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@ -588,8 +588,12 @@ UPDATE rf_tbl_abcd_part_pk SET a = 1;
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-- fail - cannot set PUBLISH_VIA_PARTITION_ROOT to false if any row filter is
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-- used for partitioned table
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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ERROR: cannot set publish_via_partition_root = false for publication "testpub6"
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DETAIL: The publication contains a WHERE clause for a partitioned table "rf_tbl_abcd_part_pk" which is not allowed when publish_via_partition_root is false.
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ERROR: cannot set parameter "publish_via_partition_root" to false for publication "testpub6"
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DETAIL: The publication contains a WHERE clause for partitioned table "rf_tbl_abcd_part_pk", which is not allowed when "publish_via_partition_root" is false.
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-- remove partitioned table's row filter
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk;
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-- ok - we don't have row filter for partitioned table.
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- Now change the root filter to use a column "b"
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-- (which is not in the replica identity)
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk_1 WHERE (b > 99);
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@ -951,8 +955,12 @@ UPDATE rf_tbl_abcd_part_pk SET a = 1;
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-- fail - cannot set PUBLISH_VIA_PARTITION_ROOT to false if any column list is
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-- used for partitioned table
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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ERROR: cannot set publish_via_partition_root = false for publication "testpub6"
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DETAIL: The publication contains a column list for a partitioned table "rf_tbl_abcd_part_pk" which is not allowed when publish_via_partition_root is false.
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ERROR: cannot set parameter "publish_via_partition_root" to false for publication "testpub6"
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DETAIL: The publication contains a column list for partitioned table "rf_tbl_abcd_part_pk", which is not allowed when "publish_via_partition_root" is false.
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-- remove partitioned table's column list
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk;
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-- ok - we don't have column list for partitioned table.
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- Now change the root column list to use a column "b"
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-- (which is not in the replica identity)
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk_1 (b);
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@ -352,6 +352,10 @@ UPDATE rf_tbl_abcd_part_pk SET a = 1;
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-- fail - cannot set PUBLISH_VIA_PARTITION_ROOT to false if any row filter is
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-- used for partitioned table
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- remove partitioned table's row filter
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk;
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-- ok - we don't have row filter for partitioned table.
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- Now change the root filter to use a column "b"
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-- (which is not in the replica identity)
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk_1 WHERE (b > 99);
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@ -635,6 +639,10 @@ UPDATE rf_tbl_abcd_part_pk SET a = 1;
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-- fail - cannot set PUBLISH_VIA_PARTITION_ROOT to false if any column list is
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-- used for partitioned table
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- remove partitioned table's column list
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk;
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-- ok - we don't have column list for partitioned table.
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ALTER PUBLICATION testpub6 SET (PUBLISH_VIA_PARTITION_ROOT=0);
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-- Now change the root column list to use a column "b"
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-- (which is not in the replica identity)
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ALTER PUBLICATION testpub6 SET TABLE rf_tbl_abcd_part_pk_1 (b);
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