diff options
Diffstat (limited to 'src/backend')
-rw-r--r-- | src/backend/catalog/pg_subscription.c | 21 | ||||
-rw-r--r-- | src/backend/commands/explain.c | 21 | ||||
-rw-r--r-- | src/backend/commands/foreigncmds.c | 2 | ||||
-rw-r--r-- | src/backend/commands/schemacmds.c | 2 | ||||
-rw-r--r-- | src/backend/executor/execParallel.c | 2 | ||||
-rw-r--r-- | src/backend/jit/llvm/Makefile | 2 | ||||
-rw-r--r-- | src/backend/optimizer/path/costsize.c | 18 | ||||
-rw-r--r-- | src/backend/optimizer/plan/createplan.c | 15 | ||||
-rw-r--r-- | src/backend/optimizer/plan/planner.c | 2 | ||||
-rw-r--r-- | src/backend/optimizer/util/pathnode.c | 11 | ||||
-rw-r--r-- | src/backend/replication/logical/tablesync.c | 34 | ||||
-rw-r--r-- | src/backend/replication/syncrep_scanner.l | 11 | ||||
-rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 13 | ||||
-rw-r--r-- | src/backend/storage/ipc/procsignal.c | 6 | ||||
-rw-r--r-- | src/backend/tcop/postgres.c | 2 | ||||
-rw-r--r-- | src/backend/tcop/utility.c | 4 | ||||
-rw-r--r-- | src/backend/utils/adt/tid.c | 2 | ||||
-rw-r--r-- | src/backend/utils/adt/xml.c | 74 | ||||
-rw-r--r-- | src/backend/utils/cache/plancache.c | 2 |
19 files changed, 154 insertions, 90 deletions
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/commands/explain.c b/src/backend/commands/explain.c index 7e2792ead71..8345bc0264b 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -3582,6 +3582,7 @@ static void show_memoize_info(MemoizeState *mstate, List *ancestors, ExplainState *es) { Plan *plan = ((PlanState *) mstate)->plan; + Memoize *mplan = (Memoize *) plan; ListCell *lc; List *context; StringInfoData keystr; @@ -3602,7 +3603,7 @@ show_memoize_info(MemoizeState *mstate, List *ancestors, ExplainState *es) plan, ancestors); - foreach(lc, ((Memoize *) plan)->param_exprs) + foreach(lc, mplan->param_exprs) { Node *expr = (Node *) lfirst(lc); @@ -3618,6 +3619,24 @@ show_memoize_info(MemoizeState *mstate, List *ancestors, ExplainState *es) pfree(keystr.data); + if (es->costs) + { + if (es->format == EXPLAIN_FORMAT_TEXT) + { + ExplainIndentText(es); + appendStringInfo(es->str, "Estimates: capacity=%u distinct keys=%.0f lookups=%.0f hit percent=%.2f%%\n", + mplan->est_entries, mplan->est_unique_keys, + mplan->est_calls, mplan->est_hit_ratio * 100.0); + } + else + { + ExplainPropertyUInteger("Estimated Capacity", NULL, mplan->est_entries, es); + ExplainPropertyFloat("Estimated Distinct Lookup Keys", NULL, mplan->est_unique_keys, 0, es); + ExplainPropertyFloat("Estimated Lookups", NULL, mplan->est_calls, 0, es); + ExplainPropertyFloat("Estimated Hit Percent", NULL, mplan->est_hit_ratio * 100.0, 2, es); + } + } + if (!es->analyze) return; diff --git a/src/backend/commands/foreigncmds.c b/src/backend/commands/foreigncmds.c index fcd5fcd8915..77f8461f42e 100644 --- a/src/backend/commands/foreigncmds.c +++ b/src/backend/commands/foreigncmds.c @@ -1588,7 +1588,7 @@ ImportForeignSchema(ImportForeignSchemaStmt *stmt) pstmt->utilityStmt = (Node *) cstmt; pstmt->stmt_location = rs->stmt_location; pstmt->stmt_len = rs->stmt_len; - pstmt->cached_plan_type = PLAN_CACHE_NONE; + pstmt->planOrigin = PLAN_STMT_INTERNAL; /* Execute statement */ ProcessUtility(pstmt, cmd, false, diff --git a/src/backend/commands/schemacmds.c b/src/backend/commands/schemacmds.c index c00f1a11384..0f03d9743d2 100644 --- a/src/backend/commands/schemacmds.c +++ b/src/backend/commands/schemacmds.c @@ -215,7 +215,7 @@ CreateSchemaCommand(CreateSchemaStmt *stmt, const char *queryString, wrapper->utilityStmt = stmt; wrapper->stmt_location = stmt_location; wrapper->stmt_len = stmt_len; - wrapper->cached_plan_type = PLAN_CACHE_NONE; + wrapper->planOrigin = PLAN_STMT_INTERNAL; /* do this step */ ProcessUtility(wrapper, diff --git a/src/backend/executor/execParallel.c b/src/backend/executor/execParallel.c index fc76f22fb82..f098a5557cf 100644 --- a/src/backend/executor/execParallel.c +++ b/src/backend/executor/execParallel.c @@ -189,7 +189,7 @@ ExecSerializePlan(Plan *plan, EState *estate) pstmt->permInfos = estate->es_rteperminfos; pstmt->resultRelations = NIL; pstmt->appendRelations = NIL; - pstmt->cached_plan_type = PLAN_CACHE_NONE; + pstmt->planOrigin = PLAN_STMT_INTERNAL; /* * Transfer only parallel-safe subplans, leaving a NULL "hole" in the list diff --git a/src/backend/jit/llvm/Makefile b/src/backend/jit/llvm/Makefile index e8c12060b93..68677ba42e1 100644 --- a/src/backend/jit/llvm/Makefile +++ b/src/backend/jit/llvm/Makefile @@ -31,7 +31,7 @@ endif # All files in this directory use LLVM. CFLAGS += $(LLVM_CFLAGS) CXXFLAGS += $(LLVM_CXXFLAGS) -override CPPFLAGS := $(LLVM_CPPFLAGS) $(CPPFLAGS) +override CPPFLAGS += $(LLVM_CPPFLAGS) SHLIB_LINK += $(LLVM_LIBS) # Because this module includes C++ files, we need to use a C++ diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 1f04a2c182c..344a3188317 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -2572,13 +2572,13 @@ cost_memoize_rescan(PlannerInfo *root, MemoizePath *mpath, Cost input_startup_cost = mpath->subpath->startup_cost; Cost input_total_cost = mpath->subpath->total_cost; double tuples = mpath->subpath->rows; - double calls = mpath->calls; + Cardinality est_calls = mpath->est_calls; int width = mpath->subpath->pathtarget->width; double hash_mem_bytes; double est_entry_bytes; - double est_cache_entries; - double ndistinct; + Cardinality est_cache_entries; + Cardinality ndistinct; double evict_ratio; double hit_ratio; Cost startup_cost; @@ -2604,7 +2604,7 @@ cost_memoize_rescan(PlannerInfo *root, MemoizePath *mpath, est_cache_entries = floor(hash_mem_bytes / est_entry_bytes); /* estimate on the distinct number of parameter values */ - ndistinct = estimate_num_groups(root, mpath->param_exprs, calls, NULL, + ndistinct = estimate_num_groups(root, mpath->param_exprs, est_calls, NULL, &estinfo); /* @@ -2616,7 +2616,10 @@ cost_memoize_rescan(PlannerInfo *root, MemoizePath *mpath, * certainly mean a MemoizePath will never survive add_path(). */ if ((estinfo.flags & SELFLAG_USED_DEFAULT) != 0) - ndistinct = calls; + ndistinct = est_calls; + + /* Remember the ndistinct estimate for EXPLAIN */ + mpath->est_unique_keys = ndistinct; /* * Since we've already estimated the maximum number of entries we can @@ -2644,9 +2647,12 @@ cost_memoize_rescan(PlannerInfo *root, MemoizePath *mpath, * must look at how many scans are estimated in total for this node and * how many of those scans we expect to get a cache hit. */ - hit_ratio = ((calls - ndistinct) / calls) * + hit_ratio = ((est_calls - ndistinct) / est_calls) * (est_cache_entries / Max(ndistinct, est_cache_entries)); + /* Remember the hit ratio estimate for EXPLAIN */ + mpath->est_hit_ratio = hit_ratio; + Assert(hit_ratio >= 0 && hit_ratio <= 1.0); /* diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 8a9f1d7a943..bfefc7dbea1 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -284,7 +284,10 @@ static Material *make_material(Plan *lefttree); static Memoize *make_memoize(Plan *lefttree, Oid *hashoperators, Oid *collations, List *param_exprs, bool singlerow, bool binary_mode, - uint32 est_entries, Bitmapset *keyparamids); + uint32 est_entries, Bitmapset *keyparamids, + Cardinality est_calls, + Cardinality est_unique_keys, + double est_hit_ratio); static WindowAgg *make_windowagg(List *tlist, WindowClause *wc, int partNumCols, AttrNumber *partColIdx, Oid *partOperators, Oid *partCollations, int ordNumCols, AttrNumber *ordColIdx, Oid *ordOperators, Oid *ordCollations, @@ -1753,7 +1756,8 @@ create_memoize_plan(PlannerInfo *root, MemoizePath *best_path, int flags) plan = make_memoize(subplan, operators, collations, param_exprs, best_path->singlerow, best_path->binary_mode, - best_path->est_entries, keyparamids); + best_path->est_entries, keyparamids, best_path->est_calls, + best_path->est_unique_keys, best_path->est_hit_ratio); copy_generic_path_info(&plan->plan, (Path *) best_path); @@ -6749,7 +6753,9 @@ materialize_finished_plan(Plan *subplan) static Memoize * make_memoize(Plan *lefttree, Oid *hashoperators, Oid *collations, List *param_exprs, bool singlerow, bool binary_mode, - uint32 est_entries, Bitmapset *keyparamids) + uint32 est_entries, Bitmapset *keyparamids, + Cardinality est_calls, Cardinality est_unique_keys, + double est_hit_ratio) { Memoize *node = makeNode(Memoize); Plan *plan = &node->plan; @@ -6767,6 +6773,9 @@ make_memoize(Plan *lefttree, Oid *hashoperators, Oid *collations, node->binary_mode = binary_mode; node->est_entries = est_entries; node->keyparamids = keyparamids; + node->est_calls = est_calls; + node->est_unique_keys = est_unique_keys; + node->est_hit_ratio = est_hit_ratio; return node; } diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index a77b2147e95..d59d6e4c6a0 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -558,6 +558,7 @@ standard_planner(Query *parse, const char *query_string, int cursorOptions, result->commandType = parse->commandType; result->queryId = parse->queryId; + result->planOrigin = PLAN_STMT_STANDARD; result->hasReturning = (parse->returningList != NIL); result->hasModifyingCTE = parse->hasModifyingCTE; result->canSetTag = parse->canSetTag; @@ -582,7 +583,6 @@ standard_planner(Query *parse, const char *query_string, int cursorOptions, result->utilityStmt = parse->utilityStmt; result->stmt_location = parse->stmt_location; result->stmt_len = parse->stmt_len; - result->cached_plan_type = PLAN_CACHE_NONE; result->jitFlags = PGJIT_NONE; if (jit_enabled && jit_above_cost >= 0 && diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index 9cc602788ea..a4c5867cdcb 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -1689,7 +1689,7 @@ create_material_path(RelOptInfo *rel, Path *subpath) MemoizePath * create_memoize_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, List *param_exprs, List *hash_operators, - bool singlerow, bool binary_mode, double calls) + bool singlerow, bool binary_mode, Cardinality est_calls) { MemoizePath *pathnode = makeNode(MemoizePath); @@ -1710,7 +1710,6 @@ create_memoize_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, pathnode->param_exprs = param_exprs; pathnode->singlerow = singlerow; pathnode->binary_mode = binary_mode; - pathnode->calls = clamp_row_est(calls); /* * For now we set est_entries to 0. cost_memoize_rescan() does all the @@ -1720,6 +1719,12 @@ create_memoize_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, */ pathnode->est_entries = 0; + pathnode->est_calls = clamp_row_est(est_calls); + + /* These will also be set later in cost_memoize_rescan() */ + pathnode->est_unique_keys = 0.0; + pathnode->est_hit_ratio = 0.0; + /* we should not generate this path type when enable_memoize=false */ Assert(enable_memoize); pathnode->path.disabled_nodes = subpath->disabled_nodes; @@ -4259,7 +4264,7 @@ reparameterize_path(PlannerInfo *root, Path *path, mpath->hash_operators, mpath->singlerow, mpath->binary_mode, - mpath->calls); + mpath->est_calls); } default: break; 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/replication/syncrep_scanner.l b/src/backend/replication/syncrep_scanner.l index 7dec1f869c7..02004d621e7 100644 --- a/src/backend/replication/syncrep_scanner.l +++ b/src/backend/replication/syncrep_scanner.l @@ -157,17 +157,16 @@ syncrep_yyerror(SyncRepConfigData **syncrep_parse_result_p, char **syncrep_parse { struct yyguts_t *yyg = (struct yyguts_t *) yyscanner; /* needed for yytext * macro */ - char *syncrep_parse_error_msg = *syncrep_parse_error_msg_p; /* report only the first error in a parse operation */ - if (syncrep_parse_error_msg) + if (*syncrep_parse_error_msg_p) return; if (yytext[0]) - syncrep_parse_error_msg = psprintf("%s at or near \"%s\"", - message, yytext); + *syncrep_parse_error_msg_p = psprintf("%s at or near \"%s\"", + message, yytext); else - syncrep_parse_error_msg = psprintf("%s at end of input", - message); + *syncrep_parse_error_msg_p = psprintf("%s at end of input", + message); } void diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 6afdd28dba6..67431208e7f 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -2743,12 +2743,10 @@ ExtendBufferedRelShared(BufferManagerRelation bmr, * because mdread doesn't complain about reads beyond EOF (when * zero_damaged_pages is ON) and so a previous attempt to read a block * beyond EOF could have left a "valid" zero-filled buffer. - * Unfortunately, we have also seen this case occurring because of - * buggy Linux kernels that sometimes return an lseek(SEEK_END) result - * that doesn't account for a recent write. In that situation, the - * pre-existing buffer would contain valid data that we don't want to - * overwrite. Since the legitimate cases should always have left a - * zero-filled buffer, complain if not PageIsNew. + * + * This has also been observed when relation was overwritten by + * external process. Since the legitimate cases should always have + * left a zero-filled buffer, complain if not PageIsNew. */ if (existing_id >= 0) { @@ -2778,8 +2776,7 @@ ExtendBufferedRelShared(BufferManagerRelation bmr, ereport(ERROR, (errmsg("unexpected data beyond EOF in block %u of relation %s", existing_hdr->tag.blockNum, - relpath(bmr.smgr->smgr_rlocator, fork).str), - errhint("This has been seen to occur with buggy kernels; consider updating your system."))); + relpath(bmr.smgr->smgr_rlocator, fork).str))); /* * We *must* do smgr[zero]extend before succeeding, else the page diff --git a/src/backend/storage/ipc/procsignal.c b/src/backend/storage/ipc/procsignal.c index a9bb540b55a..087821311cc 100644 --- a/src/backend/storage/ipc/procsignal.c +++ b/src/backend/storage/ipc/procsignal.c @@ -728,7 +728,11 @@ procsignal_sigusr1_handler(SIGNAL_ARGS) void SendCancelRequest(int backendPID, const uint8 *cancel_key, int cancel_key_len) { - Assert(backendPID != 0); + if (backendPID == 0) + { + ereport(LOG, (errmsg("invalid cancel request with PID 0"))); + return; + } /* * See if we have a matching backend. Reading the pss_pid and diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c index a297606cdd7..0cecd464902 100644 --- a/src/backend/tcop/postgres.c +++ b/src/backend/tcop/postgres.c @@ -988,7 +988,7 @@ pg_plan_queries(List *querytrees, const char *query_string, int cursorOptions, stmt->stmt_location = query->stmt_location; stmt->stmt_len = query->stmt_len; stmt->queryId = query->queryId; - stmt->cached_plan_type = PLAN_CACHE_NONE; + stmt->planOrigin = PLAN_STMT_INTERNAL; } else { diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c index babc34d0cbe..4f4191b0ea6 100644 --- a/src/backend/tcop/utility.c +++ b/src/backend/tcop/utility.c @@ -1234,7 +1234,7 @@ ProcessUtilitySlow(ParseState *pstate, wrapper->utilityStmt = stmt; wrapper->stmt_location = pstmt->stmt_location; wrapper->stmt_len = pstmt->stmt_len; - wrapper->cached_plan_type = PLAN_CACHE_NONE; + wrapper->planOrigin = PLAN_STMT_INTERNAL; ProcessUtility(wrapper, queryString, @@ -1965,7 +1965,7 @@ ProcessUtilityForAlterTable(Node *stmt, AlterTableUtilityContext *context) wrapper->utilityStmt = stmt; wrapper->stmt_location = context->pstmt->stmt_location; wrapper->stmt_len = context->pstmt->stmt_len; - wrapper->cached_plan_type = PLAN_CACHE_NONE; + wrapper->planOrigin = PLAN_STMT_INTERNAL; ProcessUtility(wrapper, context->queryString, diff --git a/src/backend/utils/adt/tid.c b/src/backend/utils/adt/tid.c index 1b0df111717..39dab3e42df 100644 --- a/src/backend/utils/adt/tid.c +++ b/src/backend/utils/adt/tid.c @@ -84,7 +84,7 @@ tidin(PG_FUNCTION_ARGS) /* * Cope with possibility that unsigned long is wider than BlockNumber, in * which case strtoul will not raise an error for some values that are out - * of the range of BlockNumber. (See similar code in oidin().) + * of the range of BlockNumber. (See similar code in uint32in_subr().) */ #if SIZEOF_LONG > 4 if (cvt != (unsigned long) blockNumber && diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c index f7b731825fc..182e8f75db7 100644 --- a/src/backend/utils/adt/xml.c +++ b/src/backend/utils/adt/xml.c @@ -1769,7 +1769,7 @@ xml_doctype_in_content(const xmlChar *str) * xmloption_arg, but a DOCTYPE node in the input can force DOCUMENT mode). * * If parsed_nodes isn't NULL and we parse in CONTENT mode, the list - * of parsed nodes from the xmlParseInNodeContext call will be returned + * of parsed nodes from the xmlParseBalancedChunkMemory call will be returned * to *parsed_nodes. (It is caller's responsibility to free that.) * * Errors normally result in ereport(ERROR), but if escontext is an @@ -1795,6 +1795,7 @@ xml_parse(text *data, XmlOptionType xmloption_arg, PgXmlErrorContext *xmlerrcxt; volatile xmlParserCtxtPtr ctxt = NULL; volatile xmlDocPtr doc = NULL; + volatile int save_keep_blanks = -1; /* * This step looks annoyingly redundant, but we must do it to have a @@ -1822,7 +1823,6 @@ xml_parse(text *data, XmlOptionType xmloption_arg, PG_TRY(); { bool parse_as_document = false; - int options; int res_code; size_t count = 0; xmlChar *version = NULL; @@ -1853,18 +1853,6 @@ xml_parse(text *data, XmlOptionType xmloption_arg, parse_as_document = true; } - /* - * Select parse options. - * - * Note that here we try to apply DTD defaults (XML_PARSE_DTDATTR) - * according to SQL/XML:2008 GR 10.16.7.d: 'Default values defined by - * internal DTD are applied'. As for external DTDs, we try to support - * them too (see SQL/XML:2008 GR 10.16.7.e), but that doesn't really - * happen because xmlPgEntityLoader prevents it. - */ - options = XML_PARSE_NOENT | XML_PARSE_DTDATTR - | (preserve_whitespace ? 0 : XML_PARSE_NOBLANKS); - /* initialize output parameters */ if (parsed_xmloptiontype != NULL) *parsed_xmloptiontype = parse_as_document ? XMLOPTION_DOCUMENT : @@ -1874,11 +1862,26 @@ xml_parse(text *data, XmlOptionType xmloption_arg, if (parse_as_document) { + int options; + + /* set up parser context used by xmlCtxtReadDoc */ ctxt = xmlNewParserCtxt(); if (ctxt == NULL || xmlerrcxt->err_occurred) xml_ereport(xmlerrcxt, ERROR, ERRCODE_OUT_OF_MEMORY, "could not allocate parser context"); + /* + * Select parse options. + * + * Note that here we try to apply DTD defaults (XML_PARSE_DTDATTR) + * according to SQL/XML:2008 GR 10.16.7.d: 'Default values defined + * by internal DTD are applied'. As for external DTDs, we try to + * support them too (see SQL/XML:2008 GR 10.16.7.e), but that + * doesn't really happen because xmlPgEntityLoader prevents it. + */ + options = XML_PARSE_NOENT | XML_PARSE_DTDATTR + | (preserve_whitespace ? 0 : XML_PARSE_NOBLANKS); + doc = xmlCtxtReadDoc(ctxt, utf8string, NULL, /* no URL */ "UTF-8", @@ -1900,10 +1903,7 @@ xml_parse(text *data, XmlOptionType xmloption_arg, } else { - xmlNodePtr root; - xmlNodePtr oldroot PG_USED_FOR_ASSERTS_ONLY; - - /* set up document with empty root node to be the context node */ + /* set up document that xmlParseBalancedChunkMemory will add to */ doc = xmlNewDoc(version); if (doc == NULL || xmlerrcxt->err_occurred) xml_ereport(xmlerrcxt, ERROR, ERRCODE_OUT_OF_MEMORY, @@ -1916,43 +1916,22 @@ xml_parse(text *data, XmlOptionType xmloption_arg, "could not allocate XML document"); doc->standalone = standalone; - root = xmlNewNode(NULL, (const xmlChar *) "content-root"); - if (root == NULL || xmlerrcxt->err_occurred) - xml_ereport(xmlerrcxt, ERROR, ERRCODE_OUT_OF_MEMORY, - "could not allocate xml node"); - - /* - * This attaches root to doc, so we need not free it separately; - * and there can't yet be any old root to free. - */ - oldroot = xmlDocSetRootElement(doc, root); - Assert(oldroot == NULL); + /* set parse options --- have to do this the ugly way */ + save_keep_blanks = xmlKeepBlanksDefault(preserve_whitespace ? 1 : 0); /* allow empty content */ if (*(utf8string + count)) { - xmlNodePtr node_list = NULL; - xmlParserErrors res; - - res = xmlParseInNodeContext(root, - (char *) utf8string + count, - strlen((char *) utf8string + count), - options, - &node_list); - - if (res != XML_ERR_OK || xmlerrcxt->err_occurred) + res_code = xmlParseBalancedChunkMemory(doc, NULL, NULL, 0, + utf8string + count, + parsed_nodes); + if (res_code != 0 || xmlerrcxt->err_occurred) { - xmlFreeNodeList(node_list); xml_errsave(escontext, xmlerrcxt, ERRCODE_INVALID_XML_CONTENT, "invalid XML content"); goto fail; } - - if (parsed_nodes != NULL) - *parsed_nodes = node_list; - else - xmlFreeNodeList(node_list); } } @@ -1961,6 +1940,8 @@ fail: } PG_CATCH(); { + if (save_keep_blanks != -1) + xmlKeepBlanksDefault(save_keep_blanks); if (doc != NULL) xmlFreeDoc(doc); if (ctxt != NULL) @@ -1972,6 +1953,9 @@ fail: } PG_END_TRY(); + if (save_keep_blanks != -1) + xmlKeepBlanksDefault(save_keep_blanks); + if (ctxt != NULL) xmlFreeParserCtxt(ctxt); diff --git a/src/backend/utils/cache/plancache.c b/src/backend/utils/cache/plancache.c index f4d2b9458a5..0c506d320b1 100644 --- a/src/backend/utils/cache/plancache.c +++ b/src/backend/utils/cache/plancache.c @@ -1390,7 +1390,7 @@ GetCachedPlan(CachedPlanSource *plansource, ParamListInfo boundParams, { PlannedStmt *pstmt = (PlannedStmt *) lfirst(lc); - pstmt->cached_plan_type = customplan ? PLAN_CACHE_CUSTOM : PLAN_CACHE_GENERIC; + pstmt->planOrigin = customplan ? PLAN_STMT_CACHE_CUSTOM : PLAN_STMT_CACHE_GENERIC; } return plan; |