diff options
-rw-r--r-- | contrib/auto_explain/Makefile | 2 | ||||
-rw-r--r-- | contrib/auto_explain/expected/alter_reset.out | 19 | ||||
-rw-r--r-- | contrib/auto_explain/meson.build | 5 | ||||
-rw-r--r-- | contrib/auto_explain/sql/alter_reset.sql | 22 | ||||
-rw-r--r-- | doc/src/sgml/protocol.sgml | 5 | ||||
-rw-r--r-- | doc/src/sgml/ref/create_trigger.sgml | 8 | ||||
-rw-r--r-- | src/backend/catalog/pg_subscription.c | 21 | ||||
-rw-r--r-- | src/backend/postmaster/autovacuum.c | 8 | ||||
-rw-r--r-- | src/backend/replication/logical/reorderbuffer.c | 2 | ||||
-rw-r--r-- | src/backend/replication/logical/tablesync.c | 34 | ||||
-rw-r--r-- | src/backend/utils/misc/guc.c | 21 | ||||
-rw-r--r-- | src/bin/pg_dump/pg_dump.c | 19 | ||||
-rw-r--r-- | src/bin/pg_dump/pg_restore.c | 19 | ||||
-rw-r--r-- | src/bin/pg_dump/t/002_pg_dump.pl | 18 | ||||
-rw-r--r-- | src/include/catalog/pg_subscription_rel.h | 2 | ||||
-rw-r--r-- | src/interfaces/libpq/fe-cancel.c | 28 | ||||
-rw-r--r-- | src/test/regress/expected/foreign_key.out | 2 | ||||
-rw-r--r-- | src/test/regress/sql/foreign_key.sql | 2 |
18 files changed, 196 insertions, 41 deletions
diff --git a/contrib/auto_explain/Makefile b/contrib/auto_explain/Makefile index efd127d3cae..94ab28e7c06 100644 --- a/contrib/auto_explain/Makefile +++ b/contrib/auto_explain/Makefile @@ -6,6 +6,8 @@ OBJS = \ auto_explain.o PGFILEDESC = "auto_explain - logging facility for execution plans" +REGRESS = alter_reset + TAP_TESTS = 1 ifdef USE_PGXS diff --git a/contrib/auto_explain/expected/alter_reset.out b/contrib/auto_explain/expected/alter_reset.out new file mode 100644 index 00000000000..ec355189806 --- /dev/null +++ b/contrib/auto_explain/expected/alter_reset.out @@ -0,0 +1,19 @@ +-- +-- This tests resetting unknown custom GUCs with reserved prefixes. There's +-- nothing specific to auto_explain; this is just a convenient place to put +-- this test. +-- +SELECT current_database() AS datname \gset +CREATE ROLE regress_ae_role; +ALTER DATABASE :"datname" SET auto_explain.bogus = 1; +ALTER ROLE regress_ae_role SET auto_explain.bogus = 1; +ALTER ROLE regress_ae_role IN DATABASE :"datname" SET auto_explain.bogus = 1; +ALTER SYSTEM SET auto_explain.bogus = 1; +LOAD 'auto_explain'; +WARNING: invalid configuration parameter name "auto_explain.bogus", removing it +DETAIL: "auto_explain" is now a reserved prefix. +ALTER DATABASE :"datname" RESET auto_explain.bogus; +ALTER ROLE regress_ae_role RESET auto_explain.bogus; +ALTER ROLE regress_ae_role IN DATABASE :"datname" RESET auto_explain.bogus; +ALTER SYSTEM RESET auto_explain.bogus; +DROP ROLE regress_ae_role; diff --git a/contrib/auto_explain/meson.build b/contrib/auto_explain/meson.build index 92dc9df6f7c..a9b45cc235f 100644 --- a/contrib/auto_explain/meson.build +++ b/contrib/auto_explain/meson.build @@ -20,6 +20,11 @@ tests += { 'name': 'auto_explain', 'sd': meson.current_source_dir(), 'bd': meson.current_build_dir(), + 'regress': { + 'sql': [ + 'alter_reset', + ], + }, 'tap': { 'tests': [ 't/001_auto_explain.pl', diff --git a/contrib/auto_explain/sql/alter_reset.sql b/contrib/auto_explain/sql/alter_reset.sql new file mode 100644 index 00000000000..bf621454ec2 --- /dev/null +++ b/contrib/auto_explain/sql/alter_reset.sql @@ -0,0 +1,22 @@ +-- +-- This tests resetting unknown custom GUCs with reserved prefixes. There's +-- nothing specific to auto_explain; this is just a convenient place to put +-- this test. +-- + +SELECT current_database() AS datname \gset +CREATE ROLE regress_ae_role; + +ALTER DATABASE :"datname" SET auto_explain.bogus = 1; +ALTER ROLE regress_ae_role SET auto_explain.bogus = 1; +ALTER ROLE regress_ae_role IN DATABASE :"datname" SET auto_explain.bogus = 1; +ALTER SYSTEM SET auto_explain.bogus = 1; + +LOAD 'auto_explain'; + +ALTER DATABASE :"datname" RESET auto_explain.bogus; +ALTER ROLE regress_ae_role RESET auto_explain.bogus; +ALTER ROLE regress_ae_role IN DATABASE :"datname" RESET auto_explain.bogus; +ALTER SYSTEM RESET auto_explain.bogus; + +DROP ROLE regress_ae_role; diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml index b115884acb3..e56eac8fd0f 100644 --- a/doc/src/sgml/protocol.sgml +++ b/doc/src/sgml/protocol.sgml @@ -537,6 +537,11 @@ The frontend should not respond to this message, but should continue listening for a ReadyForQuery message. </para> + <para> + The <productname>PostgreSQL</productname> server will always send this + message, but some third party backend implementations of the protocol + that don't support query cancellation are known not to. + </para> </listitem> </varlistentry> diff --git a/doc/src/sgml/ref/create_trigger.sgml b/doc/src/sgml/ref/create_trigger.sgml index ed6d206ae71..0d8d463479b 100644 --- a/doc/src/sgml/ref/create_trigger.sgml +++ b/doc/src/sgml/ref/create_trigger.sgml @@ -197,9 +197,11 @@ CREATE [ OR REPLACE ] [ CONSTRAINT ] TRIGGER <replaceable class="parameter">name of the rows inserted, deleted, or modified by the current SQL statement. This feature lets the trigger see a global view of what the statement did, not just one row at a time. This option is only allowed for - an <literal>AFTER</literal> trigger that is not a constraint trigger; also, if - the trigger is an <literal>UPDATE</literal> trigger, it must not specify - a <replaceable class="parameter">column_name</replaceable> list. + an <literal>AFTER</literal> trigger on a plain table (not a foreign table). + The trigger should not be a constraint trigger. Also, if the trigger is + an <literal>UPDATE</literal> trigger, it must not specify + a <replaceable class="parameter">column_name</replaceable> list when using + this option. <literal>OLD TABLE</literal> may only be specified once, and only for a trigger that can fire on <literal>UPDATE</literal> or <literal>DELETE</literal>; it creates a transition relation containing the <firstterm>before-images</firstterm> of all rows diff --git a/src/backend/catalog/pg_subscription.c b/src/backend/catalog/pg_subscription.c index 63c2992d19f..244acf52f36 100644 --- a/src/backend/catalog/pg_subscription.c +++ b/src/backend/catalog/pg_subscription.c @@ -320,7 +320,7 @@ AddSubscriptionRelState(Oid subid, Oid relid, char state, */ void UpdateSubscriptionRelState(Oid subid, Oid relid, char state, - XLogRecPtr sublsn) + XLogRecPtr sublsn, bool already_locked) { Relation rel; HeapTuple tup; @@ -328,9 +328,24 @@ UpdateSubscriptionRelState(Oid subid, Oid relid, char state, Datum values[Natts_pg_subscription_rel]; bool replaces[Natts_pg_subscription_rel]; - LockSharedObject(SubscriptionRelationId, subid, 0, AccessShareLock); + if (already_locked) + { +#ifdef USE_ASSERT_CHECKING + LOCKTAG tag; - rel = table_open(SubscriptionRelRelationId, RowExclusiveLock); + Assert(CheckRelationOidLockedByMe(SubscriptionRelRelationId, + RowExclusiveLock, true)); + SET_LOCKTAG_OBJECT(tag, InvalidOid, SubscriptionRelationId, subid, 0); + Assert(LockHeldByMe(&tag, AccessShareLock, true)); +#endif + + rel = table_open(SubscriptionRelRelationId, NoLock); + } + else + { + LockSharedObject(SubscriptionRelationId, subid, 0, AccessShareLock); + rel = table_open(SubscriptionRelRelationId, RowExclusiveLock); + } /* Try finding existing mapping. */ tup = SearchSysCacheCopy2(SUBSCRIPTIONRELMAP, diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c index 9474095f271..8908603464c 100644 --- a/src/backend/postmaster/autovacuum.c +++ b/src/backend/postmaster/autovacuum.c @@ -562,10 +562,10 @@ AutoVacLauncherMain(const void *startup_data, size_t startup_data_len) /* * Create the initial database list. The invariant we want this list to - * keep is that it's ordered by decreasing next_time. As soon as an entry - * is updated to a higher time, it will be moved to the front (which is - * correct because the only operation is to add autovacuum_naptime to the - * entry, and time always increases). + * keep is that it's ordered by decreasing next_worker. As soon as an + * entry is updated to a higher time, it will be moved to the front (which + * is correct because the only operation is to add autovacuum_naptime to + * the entry, and time always increases). */ rebuild_database_list(InvalidOid); diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c index 5febd154b6b..34cf05668ae 100644 --- a/src/backend/replication/logical/reorderbuffer.c +++ b/src/backend/replication/logical/reorderbuffer.c @@ -2599,7 +2599,7 @@ ReorderBufferProcessTXN(ReorderBuffer *rb, ReorderBufferTXN *txn, if (++changes_count >= CHANGES_THRESHOLD) { - rb->update_progress_txn(rb, txn, change->lsn); + rb->update_progress_txn(rb, txn, prev_lsn); changes_count = 0; } } diff --git a/src/backend/replication/logical/tablesync.c b/src/backend/replication/logical/tablesync.c index 3fea0a0206e..d3356bc84ee 100644 --- a/src/backend/replication/logical/tablesync.c +++ b/src/backend/replication/logical/tablesync.c @@ -316,7 +316,8 @@ process_syncing_tables_for_sync(XLogRecPtr current_lsn) UpdateSubscriptionRelState(MyLogicalRepWorker->subid, MyLogicalRepWorker->relid, MyLogicalRepWorker->relstate, - MyLogicalRepWorker->relstate_lsn); + MyLogicalRepWorker->relstate_lsn, + false); /* * End streaming so that LogRepWorkerWalRcvConn can be used to drop @@ -425,6 +426,7 @@ process_syncing_tables_for_apply(XLogRecPtr current_lsn) ListCell *lc; bool started_tx = false; bool should_exit = false; + Relation rel = NULL; Assert(!IsTransactionState()); @@ -492,7 +494,17 @@ process_syncing_tables_for_apply(XLogRecPtr current_lsn) * worker to remove the origin tracking as if there is any * error while dropping we won't restart it to drop the * origin. So passing missing_ok = true. + * + * Lock the subscription and origin in the same order as we + * are doing during DDL commands to avoid deadlocks. See + * AlterSubscription_refresh. */ + LockSharedObject(SubscriptionRelationId, MyLogicalRepWorker->subid, + 0, AccessShareLock); + + if (!rel) + rel = table_open(SubscriptionRelRelationId, RowExclusiveLock); + ReplicationOriginNameForLogicalRep(MyLogicalRepWorker->subid, rstate->relid, originname, @@ -504,7 +516,7 @@ process_syncing_tables_for_apply(XLogRecPtr current_lsn) */ UpdateSubscriptionRelState(MyLogicalRepWorker->subid, rstate->relid, rstate->state, - rstate->lsn); + rstate->lsn, true); } } else @@ -555,7 +567,14 @@ process_syncing_tables_for_apply(XLogRecPtr current_lsn) * This is required to avoid any undetected deadlocks * due to any existing lock as deadlock detector won't * be able to detect the waits on the latch. + * + * Also close any tables prior to the commit. */ + if (rel) + { + table_close(rel, NoLock); + rel = NULL; + } CommitTransactionCommand(); pgstat_report_stat(false); } @@ -623,6 +642,11 @@ process_syncing_tables_for_apply(XLogRecPtr current_lsn) } } + /* Close table if opened */ + if (rel) + table_close(rel, NoLock); + + if (started_tx) { /* @@ -1414,7 +1438,8 @@ LogicalRepSyncTableStart(XLogRecPtr *origin_startpos) UpdateSubscriptionRelState(MyLogicalRepWorker->subid, MyLogicalRepWorker->relid, MyLogicalRepWorker->relstate, - MyLogicalRepWorker->relstate_lsn); + MyLogicalRepWorker->relstate_lsn, + false); CommitTransactionCommand(); pgstat_report_stat(true); @@ -1547,7 +1572,8 @@ LogicalRepSyncTableStart(XLogRecPtr *origin_startpos) UpdateSubscriptionRelState(MyLogicalRepWorker->subid, MyLogicalRepWorker->relid, SUBREL_STATE_FINISHEDCOPY, - MyLogicalRepWorker->relstate_lsn); + MyLogicalRepWorker->relstate_lsn, + false); CommitTransactionCommand(); diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 667df448732..ce5449f2878 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -4722,8 +4722,13 @@ AlterSystemSetConfigFile(AlterSystemStmt *altersysstmt) * the config file cannot cause postmaster start to fail, so we * don't have to be too tense about possibly installing a bad * value.) + * + * As an exception, we skip this check if this is a RESET command + * for an unknown custom GUC, else there'd be no way for users to + * remove such settings with reserved prefixes. */ - (void) assignable_custom_variable_name(name, false, ERROR); + if (value || !valid_custom_variable_name(name)) + (void) assignable_custom_variable_name(name, false, ERROR); } /* @@ -6711,6 +6716,7 @@ validate_option_array_item(const char *name, const char *value, { struct config_generic *gconf; + bool reset_custom; /* * There are three cases to consider: @@ -6729,16 +6735,21 @@ validate_option_array_item(const char *name, const char *value, * it's assumed to be fully validated.) * * name is not known and can't be created as a placeholder. Throw error, - * unless skipIfNoPermissions is true, in which case return false. + * unless skipIfNoPermissions or reset_custom is true. If reset_custom is + * true, this is a RESET or RESET ALL operation for an unknown custom GUC + * with a reserved prefix, in which case we want to fall through to the + * placeholder case described in the preceding paragraph (else there'd be + * no way for users to remove them). Otherwise, return false. */ - gconf = find_option(name, true, skipIfNoPermissions, ERROR); - if (!gconf) + reset_custom = (!value && valid_custom_variable_name(name)); + gconf = find_option(name, true, skipIfNoPermissions || reset_custom, ERROR); + if (!gconf && !reset_custom) { /* not known, failed to make a placeholder */ return false; } - if (gconf->flags & GUC_CUSTOM_PLACEHOLDER) + if (!gconf || gconf->flags & GUC_CUSTOM_PLACEHOLDER) { /* * We cannot do any meaningful check on the value, so only permissions diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c index 273117c977c..b1ac8d7b509 100644 --- a/src/bin/pg_dump/pg_dump.c +++ b/src/bin/pg_dump/pg_dump.c @@ -860,6 +860,17 @@ main(int argc, char **argv) if (with_statistics && no_statistics) pg_fatal("options --with-statistics and --no-statistics cannot be used together"); + /* reject conflicting "-only" and "with-" options */ + if (data_only && (with_schema || with_statistics)) + pg_fatal("options %s and %s cannot be used together", + "-a/--data-only", with_schema ? "--with-schema" : "--with-statistics"); + if (schema_only && (with_data || with_statistics)) + pg_fatal("options %s and %s cannot be used together", + "-s/--schema-only", with_data ? "--with-data" : "--with-statistics"); + if (statistics_only && (with_data || with_schema)) + pg_fatal("options %s and %s cannot be used together", + "--statistics-only", with_data ? "--with-data" : "--with-schema"); + if (schema_only && foreign_servers_include_patterns.head != NULL) pg_fatal("options -s/--schema-only and --include-foreign-data cannot be used together"); @@ -873,11 +884,9 @@ main(int argc, char **argv) pg_fatal("option --if-exists requires option -c/--clean"); /* - * Set derivative flags. An "-only" option may be overridden by an - * explicit "with-" option; e.g. "--schema-only --with-statistics" will - * include schema and statistics. Other ambiguous or nonsensical - * combinations, e.g. "--schema-only --no-schema", will have already - * caused an error in one of the checks above. + * Set derivative flags. Ambiguous or nonsensical combinations, e.g. + * "--schema-only --no-schema", will have already caused an error in one + * of the checks above. */ dopt.dumpData = ((dopt.dumpData && !schema_only && !statistics_only) || (data_only || with_data)) && !no_data; diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c index b4e1acdb63f..2c727b9f156 100644 --- a/src/bin/pg_dump/pg_restore.c +++ b/src/bin/pg_dump/pg_restore.c @@ -381,6 +381,17 @@ main(int argc, char **argv) if (with_statistics && no_statistics) pg_fatal("options --with-statistics and --no-statistics cannot be used together"); + /* reject conflicting "only-" and "with-" options */ + if (data_only && (with_schema || with_statistics)) + pg_fatal("options %s and %s cannot be used together", + "-a/--data-only", with_schema ? "--with-schema" : "--with-statistics"); + if (schema_only && (with_data || with_statistics)) + pg_fatal("options %s and %s cannot be used together", + "-s/--schema-only", with_data ? "--with-data" : "--with-statistics"); + if (statistics_only && (with_data || with_schema)) + pg_fatal("options %s and %s cannot be used together", + "--statistics-only", with_data ? "--with-data" : "--with-schema"); + if (data_only && opts->dropSchema) pg_fatal("options -c/--clean and -a/--data-only cannot be used together"); @@ -399,11 +410,9 @@ main(int argc, char **argv) pg_fatal("cannot specify both --single-transaction and multiple jobs"); /* - * Set derivative flags. An "-only" option may be overridden by an - * explicit "with-" option; e.g. "--schema-only --with-statistics" will - * include schema and statistics. Other ambiguous or nonsensical - * combinations, e.g. "--schema-only --no-schema", will have already - * caused an error in one of the checks above. + * Set derivative flags. Ambiguous or nonsensical combinations, e.g. + * "--schema-only --no-schema", will have already caused an error in one + * of the checks above. */ opts->dumpData = ((opts->dumpData && !schema_only && !statistics_only) || (data_only || with_data)) && !no_data; diff --git a/src/bin/pg_dump/t/002_pg_dump.pl b/src/bin/pg_dump/t/002_pg_dump.pl index 6c7ec80e271..d597842908e 100644 --- a/src/bin/pg_dump/t/002_pg_dump.pl +++ b/src/bin/pg_dump/t/002_pg_dump.pl @@ -799,13 +799,6 @@ my %pgdump_runs = ( 'postgres', ], }, - schema_only_with_statistics => { - dump_cmd => [ - 'pg_dump', '--no-sync', - "--file=$tempdir/schema_only_with_statistics.sql", - '--schema-only', '--with-statistics', 'postgres', - ], - }, no_schema => { dump_cmd => [ 'pg_dump', '--no-sync', @@ -5212,6 +5205,17 @@ command_fails_like( 'pg_dump', '--port' => $port, '--strict-names', + '--schema-only', + '--with-statistics', + ], + qr/\Qpg_dump: error: options -s\/--schema-only and --with-statistics cannot be used together\E/, + 'cannot use --schema-only and --with-statistics together'); + +command_fails_like( + [ + 'pg_dump', + '--port' => $port, + '--strict-names', '--table' => 'nonexistent*' ], qr/\Qpg_dump: error: no matching tables were found for pattern\E/, diff --git a/src/include/catalog/pg_subscription_rel.h b/src/include/catalog/pg_subscription_rel.h index c91797c869c..f458447a0e5 100644 --- a/src/include/catalog/pg_subscription_rel.h +++ b/src/include/catalog/pg_subscription_rel.h @@ -85,7 +85,7 @@ typedef struct SubscriptionRelState extern void AddSubscriptionRelState(Oid subid, Oid relid, char state, XLogRecPtr sublsn, bool retain_lock); extern void UpdateSubscriptionRelState(Oid subid, Oid relid, char state, - XLogRecPtr sublsn); + XLogRecPtr sublsn, bool already_locked); extern char GetSubscriptionRelState(Oid subid, Oid relid, XLogRecPtr *sublsn); extern void RemoveSubscriptionRel(Oid subid, Oid relid); diff --git a/src/interfaces/libpq/fe-cancel.c b/src/interfaces/libpq/fe-cancel.c index 65517c5703b..c872a0267f0 100644 --- a/src/interfaces/libpq/fe-cancel.c +++ b/src/interfaces/libpq/fe-cancel.c @@ -379,7 +379,24 @@ PQgetCancel(PGconn *conn) /* Check that we have received a cancellation key */ if (conn->be_cancel_key_len == 0) - return NULL; + { + /* + * In case there is no cancel key, return an all-zero PGcancel object. + * Actually calling PQcancel on this will fail, but we allow creating + * the PGcancel object anyway. Arguably it would be better return NULL + * to indicate that cancellation is not possible, but there'd be no + * way for the caller to distinguish "out of memory" from "server did + * not send a cancel key". Also, this is how PGgetCancel() has always + * behaved, and if we changed it, some clients would stop working + * altogether with servers that don't support cancellation. (The + * modern PQcancelCreate() function returns a failed connection object + * instead.) + * + * The returned dummy object has cancel_pkt_len == 0; we check for + * that in PQcancel() to identify it as a dummy. + */ + return calloc(1, sizeof(PGcancel)); + } cancel_req_len = offsetof(CancelRequestPacket, cancelAuthCode) + conn->be_cancel_key_len; cancel = malloc(offsetof(PGcancel, cancel_req) + cancel_req_len); @@ -544,6 +561,15 @@ PQcancel(PGcancel *cancel, char *errbuf, int errbufsize) return false; } + if (cancel->cancel_pkt_len == 0) + { + /* This is a dummy PGcancel object, see PQgetCancel */ + strlcpy(errbuf, "PQcancel() -- no cancellation key received", errbufsize); + /* strlcpy probably doesn't change errno, but be paranoid */ + SOCK_ERRNO_SET(save_errno); + return false; + } + /* * We need to open a temporary connection to the postmaster. Do this with * only kernel calls. diff --git a/src/test/regress/expected/foreign_key.out b/src/test/regress/expected/foreign_key.out index f9bd252444f..dc541d61adf 100644 --- a/src/test/regress/expected/foreign_key.out +++ b/src/test/regress/expected/foreign_key.out @@ -1750,7 +1750,7 @@ Indexes: Referenced by: TABLE "fk_partitioned_fk" CONSTRAINT "fk_partitioned_fk_a_b_fkey" FOREIGN KEY (a, b) REFERENCES fk_notpartitioned_pk(a, b) --- Check the exsting FK trigger +-- Check the existing FK trigger SELECT conname, tgrelid::regclass as tgrel, regexp_replace(tgname, '[0-9]+', 'N') as tgname, tgtype FROM pg_trigger t JOIN pg_constraint c ON (t.tgconstraint = c.oid) WHERE tgrelid IN (SELECT relid FROM pg_partition_tree('fk_partitioned_fk'::regclass) diff --git a/src/test/regress/sql/foreign_key.sql b/src/test/regress/sql/foreign_key.sql index cfcecb4e911..39174ad1eb9 100644 --- a/src/test/regress/sql/foreign_key.sql +++ b/src/test/regress/sql/foreign_key.sql @@ -1296,7 +1296,7 @@ UPDATE fk_notpartitioned_pk SET b = 2504 WHERE a = 2500; -- check psql behavior \d fk_notpartitioned_pk --- Check the exsting FK trigger +-- Check the existing FK trigger SELECT conname, tgrelid::regclass as tgrel, regexp_replace(tgname, '[0-9]+', 'N') as tgname, tgtype FROM pg_trigger t JOIN pg_constraint c ON (t.tgconstraint = c.oid) WHERE tgrelid IN (SELECT relid FROM pg_partition_tree('fk_partitioned_fk'::regclass) |