+/*
+ * Copyright (c) 2011 Teodor Sigaev <teodor@sigaev.ru>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
#include "postgres.h"
#include "pgstat.h"
#include "nodes/nodes.h"
#include "nodes/parsenodes.h"
#include "storage/bufmgr.h"
+#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/guc.h"
+#if PG_VERSION_NUM >= 90200
+#include "catalog/pg_class.h"
+#include "nodes/primnodes.h"
+#include "tcop/utility.h"
+#include "utils/rel.h"
+#include "utils/relcache.h"
+#include "utils/timestamp.h"
+#if PG_VERSION_NUM >= 90500
+#include "nodes/makefuncs.h"
+#endif
+#endif
#ifdef PG_MODULE_MAGIC
PG_MODULE_MAGIC;
static int online_analyze_threshold = 50;
static double online_analyze_min_interval = 10000;
-static ExecutorEnd_hook_type oldhook = NULL;
+static ExecutorEnd_hook_type oldExecutorEndHook = NULL;
+#if PG_VERSION_NUM >= 90200
+static ProcessUtility_hook_type oldProcessUtilityHook = NULL;
+#endif
+
+typedef enum
+{
+ OATT_ALL = 0x03,
+ OATT_PERSISTENT = 0x01,
+ OATT_TEMPORARY = 0x02,
+ OATT_NONE = 0x00
+} OnlineAnalyzeTableType;
+
+static const struct config_enum_entry online_analyze_table_type_options[] =
+{
+ {"all", OATT_ALL, false},
+ {"persistent", OATT_PERSISTENT, false},
+ {"temporary", OATT_TEMPORARY, false},
+ {"none", OATT_NONE, false},
+ {NULL, 0, false},
+};
+
+static int online_analyze_table_type = (int)OATT_ALL;
+
+typedef struct TableList {
+ int nTables;
+ Oid *tables;
+ char *tableStr;
+} TableList;
+
+static TableList excludeTables = {0, NULL, NULL};
+static TableList includeTables = {0, NULL, NULL};
+
+static int
+oid_cmp(const void *a, const void *b)
+{
+ if (*(Oid*)a == *(Oid*)b)
+ return 0;
+ return (*(Oid*)a > *(Oid*)b) ? 1 : -1;
+}
+
+static const char *
+tableListAssign(const char * newval, bool doit, TableList *tbl)
+{
+ char *rawname;
+ List *namelist;
+ ListCell *l;
+ Oid *newOids = NULL;
+ int nOids = 0,
+ i = 0;
+
+ rawname = pstrdup(newval);
+
+ if (!SplitIdentifierString(rawname, ',', &namelist))
+ goto cleanup;
+
+ if (doit)
+ {
+ nOids = list_length(namelist);
+ newOids = malloc(sizeof(Oid) * (nOids+1));
+ if (!newOids)
+ elog(ERROR,"could not allocate %d bytes", (int)(sizeof(Oid) * (nOids+1)));
+ }
+
+ foreach(l, namelist)
+ {
+ char *curname = (char *) lfirst(l);
+#if PG_VERSION_NUM >= 90200
+ Oid relOid = RangeVarGetRelid(makeRangeVarFromNameList(stringToQualifiedNameList(curname)),
+ NoLock, true);
+#else
+ Oid relOid = RangeVarGetRelid(makeRangeVarFromNameList(stringToQualifiedNameList(curname)),
+ true);
+#endif
+
+ if (relOid == InvalidOid)
+ {
+#if PG_VERSION_NUM >= 90100
+ if (doit == false)
+#endif
+ elog(WARNING,"'%s' does not exist", curname);
+ continue;
+ }
+ else if ( get_rel_relkind(relOid) != RELKIND_RELATION )
+ {
+#if PG_VERSION_NUM >= 90100
+ if (doit == false)
+#endif
+ elog(WARNING,"'%s' is not an table", curname);
+ continue;
+ }
+ else if (doit)
+ {
+ newOids[i++] = relOid;
+ }
+ }
+
+ if (doit)
+ {
+ tbl->nTables = i;
+ if (tbl->tables)
+ free(tbl->tables);
+ tbl->tables = newOids;
+ if (tbl->nTables > 1)
+ qsort(tbl->tables, tbl->nTables, sizeof(tbl->tables[0]), oid_cmp);
+ }
+
+ pfree(rawname);
+ list_free(namelist);
+
+ return newval;
+
+cleanup:
+ if (newOids)
+ free(newOids);
+ pfree(rawname);
+ list_free(namelist);
+ return NULL;
+}
+
+#if PG_VERSION_NUM >= 90100
+static bool
+excludeTablesCheck(char **newval, void **extra, GucSource source)
+{
+ char *val;
+
+ val = (char*)tableListAssign(*newval, false, &excludeTables);
+
+ if (val)
+ {
+ *newval = val;
+ return true;
+ }
+
+ return false;
+}
+
+static void
+excludeTablesAssign(const char *newval, void *extra)
+{
+ tableListAssign(newval, true, &excludeTables);
+}
+
+static bool
+includeTablesCheck(char **newval, void **extra, GucSource source)
+{
+ char *val;
+
+ val = (char*)tableListAssign(*newval, false, &includeTables);
+
+ if (val)
+ {
+ *newval = val;
+ return true;
+ }
+
+ return false;
+}
+
+static void
+includeTablesAssign(const char *newval, void *extra)
+{
+ tableListAssign(newval, true, &excludeTables);
+}
+
+#else /* PG_VERSION_NUM < 90100 */
+
+static const char *
+excludeTablesAssign(const char * newval, bool doit, GucSource source)
+{
+ return tableListAssign(newval, doit, &excludeTables);
+}
+
+static const char *
+includeTablesAssign(const char * newval, bool doit, GucSource source)
+{
+ return tableListAssign(newval, doit, &includeTables);
+}
+
+#endif
+
+static const char*
+tableListShow(TableList *tbl)
+{
+ char *val, *ptr;
+ int i,
+ len;
+
+ len = 1 /* \0 */ + tbl->nTables * (2 * NAMEDATALEN + 2 /* ', ' */ + 1 /* . */);
+ ptr = val = palloc(len);
+ *ptr ='\0';
+ for(i=0; i<tbl->nTables; i++)
+ {
+ char *relname = get_rel_name(tbl->tables[i]);
+ Oid nspOid = get_rel_namespace(tbl->tables[i]);
+ char *nspname = get_namespace_name(nspOid);
+
+ if ( relname == NULL || nspOid == InvalidOid || nspname == NULL )
+ continue;
+
+ ptr += snprintf(ptr, len - (ptr - val), "%s%s.%s",
+ (i==0) ? "" : ", ",
+ nspname, relname);
+ }
+
+ return val;
+}
+
+static const char*
+excludeTablesShow(void)
+{
+ return tableListShow(&excludeTables);
+}
+
+static const char*
+includeTablesShow(void)
+{
+ return tableListShow(&includeTables);
+}
+
+static bool
+matchOid(TableList *tbl, Oid oid)
+{
+ Oid *StopLow = tbl->tables,
+ *StopHigh = tbl->tables + tbl->nTables,
+ *StopMiddle;
+
+ /* Loop invariant: StopLow <= val < StopHigh */
+ while (StopLow < StopHigh)
+ {
+ StopMiddle = StopLow + ((StopHigh - StopLow) >> 1);
+
+ if (*StopMiddle == oid)
+ return true;
+ else if (*StopMiddle < oid)
+ StopLow = StopMiddle + 1;
+ else
+ StopHigh = StopMiddle;
+ }
+
+ return false;
+}
+
+#if PG_VERSION_NUM >= 90500
+static RangeVar*
+makeRangeVarFromOid(Oid relOid)
+{
+ return makeRangeVar(
+ get_namespace_name(get_rel_namespace(relOid)),
+ get_rel_name(relOid),
+ -1
+ );
+
+}
+#endif
static void
makeAnalyze(Oid relOid, CmdType operation, uint32 naffected)
if (relOid == InvalidOid)
return;
+ if (get_rel_relkind(relOid) != RELKIND_RELATION)
+ return;
+
tabentry = pgstat_fetch_stat_tabentry(relOid);
#if PG_VERSION_NUM >= 90000
#define changes_since_analyze(t) ((t)->n_live_tuples + (t)->n_dead_tuples - (t)->last_anl_tuples)
#endif
- if (
+ if (
tabentry == NULL /* a new table */ ||
(
/* do not analyze too often, if both stamps are exceeded the go */
)
)
{
+#if PG_VERSION_NUM < 90500
VacuumStmt vacstmt;
+#else
+ VacuumParams vacstmt;
+#endif
TimestampTz startStamp, endStamp;
- vacstmt.type = T_VacuumStmt;
+ memset(&startStamp, 0, sizeof(startStamp)); /* keep compiler quiet */
+
+ /*
+ * includeTables overwrites excludeTables
+ */
+ switch(online_analyze_table_type)
+ {
+ case OATT_ALL:
+ if (matchOid(&excludeTables, relOid) == true && matchOid(&includeTables, relOid) == false)
+ return;
+ break;
+ case OATT_NONE:
+ if (matchOid(&includeTables, relOid) == false)
+ return;
+ break;
+ case OATT_TEMPORARY:
+ case OATT_PERSISTENT:
+ default:
+ {
+ Relation rel;
+ OnlineAnalyzeTableType reltype;
+
+ rel = RelationIdGetRelation(relOid);
+ reltype =
+#if PG_VERSION_NUM >= 90100
+ (rel->rd_rel->relpersistence == RELPERSISTENCE_TEMP)
+#else
+ (rel->rd_istemp || rel->rd_islocaltemp)
+#endif
+ ? OATT_TEMPORARY : OATT_PERSISTENT;
+ RelationClose(rel);
+
+ /*
+ * skip analyze if relation's type doesn't not match online_analyze_table_type
+ */
+ if ((online_analyze_table_type & reltype) == 0 || matchOid(&excludeTables, relOid) == true)
+ {
+ if (matchOid(&includeTables, relOid) == false)
+ return;
+ }
+ }
+ break;
+ }
+
+ memset(&vacstmt, 0, sizeof(vacstmt));
+
vacstmt.freeze_min_age = -1;
vacstmt.freeze_table_age = -1; /* ??? */
+
+#if PG_VERSION_NUM < 90500
+ vacstmt.type = T_VacuumStmt;
vacstmt.relation = NULL;
vacstmt.va_cols = NIL;
-
#if PG_VERSION_NUM >= 90000
vacstmt.options = VACOPT_ANALYZE;
if (online_analyze_verbose)
vacstmt.analyze = true;
vacstmt.verbose = online_analyze_verbose;
#endif
+#else
+ vacstmt.multixact_freeze_min_age = -1;
+ vacstmt.multixact_freeze_table_age = -1;
+ vacstmt.log_min_duration = -1;
+#endif
if (online_analyze_verbose)
startStamp = GetCurrentTimestamp();
- analyze_rel(relOid, &vacstmt, GetAccessStrategy(BAS_VACUUM)
-#if (PG_VERSION_NUM < 90004) && (PG_VERSION_NUM >= 90000)
+ analyze_rel(relOid,
+#if PG_VERSION_NUM < 90500
+ &vacstmt
+#if PG_VERSION_NUM >= 90018
+ , true
+#endif
+ , GetAccessStrategy(BAS_VACUUM)
+#if (PG_VERSION_NUM >= 90000) && (PG_VERSION_NUM < 90004)
, true
+#endif
+#else
+ makeRangeVarFromOid(relOid), VACOPT_ANALYZE | ((online_analyze_verbose) ? VACOPT_VERBOSE : 0),
+ &vacstmt, NULL, true, GetAccessStrategy(BAS_VACUUM)
#endif
);
endStamp = GetCurrentTimestamp();
TimestampDifference(startStamp, endStamp, &secs, µsecs);
- elog(INFO, "analyze \"%s\" took %.02f seconds", get_rel_name(relOid), ((double)secs) + ((double)microsecs)/1.0e6);
+ elog(INFO, "analyze \"%s\" took %.02f seconds",
+ get_rel_name(relOid), ((double)secs) + ((double)microsecs)/1.0e6);
}
extern PGDLLIMPORT void onlineAnalyzeHooker(QueryDesc *queryDesc);
void
-onlineAnalyzeHooker(QueryDesc *queryDesc)
+onlineAnalyzeHooker(QueryDesc *queryDesc)
{
uint32 naffected = 0;
if (queryDesc->estate)
- naffected = queryDesc->estate->es_processed;
+ naffected = queryDesc->estate->es_processed;
if (online_analyze_enable && queryDesc->plannedstmt &&
- (queryDesc->operation == CMD_INSERT ||
+ (queryDesc->operation == CMD_INSERT ||
queryDesc->operation == CMD_UPDATE ||
- queryDesc->operation == CMD_DELETE ||
- (queryDesc->operation == CMD_SELECT && queryDesc->plannedstmt->intoClause)))
+ queryDesc->operation == CMD_DELETE
+#if PG_VERSION_NUM < 90200
+ || (queryDesc->operation == CMD_SELECT && queryDesc->plannedstmt->intoClause)
+#endif
+ ))
{
- if (queryDesc->plannedstmt->intoClause)
+#if PG_VERSION_NUM < 90200
+ if (queryDesc->operation == CMD_SELECT)
{
Oid relOid = RangeVarGetRelid(queryDesc->plannedstmt->intoClause->rel, true);
makeAnalyze(relOid, queryDesc->operation, naffected);
}
- else if (queryDesc->plannedstmt->resultRelations &&
+ else
+#endif
+ if (queryDesc->plannedstmt->resultRelations &&
queryDesc->plannedstmt->rtable)
{
ListCell *l;
{
int n = lfirst_int(l);
RangeTblEntry *rte = list_nth(queryDesc->plannedstmt->rtable, n-1);
-
+
if (rte->rtekind == RTE_RELATION)
makeAnalyze(rte->relid, queryDesc->operation, naffected);
}
}
}
- if (oldhook)
- (*oldhook)(queryDesc);
+ if (oldExecutorEndHook)
+ oldExecutorEndHook(queryDesc);
else
standard_ExecutorEnd(queryDesc);
}
+#if PG_VERSION_NUM >= 90200
+static void
+onlineAnalyzeHookerUtility(Node *parsetree, const char *queryString,
+#if PG_VERSION_NUM >= 90300
+ ProcessUtilityContext context, ParamListInfo params,
+#else
+ ParamListInfo params, bool isTopLevel,
+#endif
+ DestReceiver *dest, char *completionTag) {
+ RangeVar *tblname = NULL;
+
+ if (IsA(parsetree, CreateTableAsStmt) && ((CreateTableAsStmt*)parsetree)->into)
+ tblname = (RangeVar*)copyObject(((CreateTableAsStmt*)parsetree)->into->rel);
+
+ if (oldProcessUtilityHook)
+ oldProcessUtilityHook(parsetree, queryString,
+#if PG_VERSION_NUM >= 90300
+ context, params,
+#else
+ params, isTopLevel,
+#endif
+ dest, completionTag);
+ else
+ standard_ProcessUtility(parsetree, queryString,
+#if PG_VERSION_NUM >= 90300
+ context, params,
+#else
+ params, isTopLevel,
+#endif
+ dest, completionTag);
+
+ if (tblname) {
+ Oid tblOid = RangeVarGetRelid(tblname, NoLock, true);
+
+ makeAnalyze(tblOid, CMD_INSERT, 0);
+ }
+}
+#endif
+
void _PG_init(void);
void
_PG_init(void)
{
- oldhook = ExecutorEnd_hook;
+ oldExecutorEndHook = ExecutorEnd_hook;
ExecutorEnd_hook = onlineAnalyzeHooker;
+#if PG_VERSION_NUM >= 90200
+ oldProcessUtilityHook = ProcessUtility_hook;
+
+ ProcessUtility_hook = onlineAnalyzeHookerUtility;
+#endif
+
+
DefineCustomBoolVariable(
"online_analyze.enable",
"Enable on-line analyze",
"online_analyze.min_interval",
"minimum time interval between analyze call (in milliseconds)",
"minimum time interval between analyze call (in milliseconds)",
- &online_analyze_scale_factor,
+ &online_analyze_min_interval,
#if PG_VERSION_NUM >= 80400
online_analyze_min_interval,
#endif
NULL
);
+ DefineCustomEnumVariable(
+ "online_analyze.table_type",
+ "Type(s) of table for online analyze: all(default), persistent, temporary, none",
+ NULL,
+ &online_analyze_table_type,
+#if PG_VERSION_NUM >= 80400
+ online_analyze_table_type,
+#endif
+ online_analyze_table_type_options,
+ PGC_USERSET,
+#if PG_VERSION_NUM >= 80400
+ GUC_NOT_IN_SAMPLE,
+#if PG_VERSION_NUM >= 90100
+ NULL,
+#endif
+#endif
+ NULL,
+ NULL
+ );
+
+ DefineCustomStringVariable(
+ "online_analyze.exclude_tables",
+ "List of tables which will not online analyze",
+ NULL,
+ &excludeTables.tableStr,
+#if PG_VERSION_NUM >= 80400
+ "",
+#endif
+ PGC_USERSET,
+ 0,
+#if PG_VERSION_NUM >= 90100
+ excludeTablesCheck,
+ excludeTablesAssign,
+#else
+ excludeTablesAssign,
+#endif
+ excludeTablesShow
+ );
+
+ DefineCustomStringVariable(
+ "online_analyze.include_tables",
+ "List of tables which will online analyze",
+ NULL,
+ &includeTables.tableStr,
+#if PG_VERSION_NUM >= 80400
+ "",
+#endif
+ PGC_USERSET,
+ 0,
+#if PG_VERSION_NUM >= 90100
+ includeTablesCheck,
+ includeTablesAssign,
+#else
+ includeTablesAssign,
+#endif
+ includeTablesShow
+ );
}
void _PG_fini(void);
void
_PG_fini(void)
{
- ExecutorEnd_hook = oldhook;
+ ExecutorEnd_hook = oldExecutorEndHook;
+#if PG_VERSION_NUM >= 90200
+ ProcessUtility_hook = oldProcessUtilityHook;
+#endif
+
+ if (excludeTables.tables)
+ free(excludeTables.tables);
+ if (includeTables.tables)
+ free(includeTables.tables);
+
+ excludeTables.tables = includeTables.tables = NULL;
+ excludeTables.nTables = includeTables.nTables = 0;
}
projects / online_analyze.git / blobdiff