Support v16devel
authorTeodor Sigaev <teodor@sigaev.ru>
Wed, 21 Dec 2022 08:03:43 +0000 (11:03 +0300)
committerTeodor Sigaev <teodor@sigaev.ru>
Wed, 21 Dec 2022 08:03:43 +0000 (11:03 +0300)
Marina Polyakova

online_analyze.c

index 4b7fea6..5791dd6 100644 (file)
@@ -132,9 +132,9 @@ typedef struct OnlineAnalyzeTableStat {
        Oid                             tableid;
        bool                    rereadStat;
        PgStat_Counter  n_tuples;
-       PgStat_Counter  changes_since_analyze;
-       TimestampTz             autovac_analyze_timestamp;
-       TimestampTz             analyze_timestamp;
+       PgStat_Counter  mod_since_analyze;
+       TimestampTz             last_autoanalyze_time;
+       TimestampTz             last_analyze_time;
 } OnlineAnalyzeTableStat;
 
 static MemoryContext   onlineAnalyzeMemoryContext = NULL;
@@ -499,8 +499,8 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
        else if (operation == CK_ANALYZE)
        {
                /* only analyze */
-               rstat->changes_since_analyze = 0;
-               rstat->analyze_timestamp = now;
+               rstat->mod_since_analyze = 0;
+               rstat->last_analyze_time = now;
                if (newTable)
                        rstat->rereadStat = true;
                return;
@@ -523,17 +523,36 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
 
                if (tabentry)
                {
-                       rstat->n_tuples = tabentry->n_dead_tuples + tabentry->n_live_tuples;
-                       rstat->changes_since_analyze =
-#if PG_VERSION_NUM >= 90000
+                       rstat->n_tuples =
+#if PG_VERSION_NUM >= 160000
+                               tabentry->dead_tuples + tabentry->live_tuples;
+#else
+                               tabentry->n_dead_tuples + tabentry->n_live_tuples;
+#endif
+
+                       rstat->mod_since_analyze =
+#if PG_VERSION_NUM >= 160000
+                               tabentry->mod_since_analyze;
+#elif PG_VERSION_NUM >= 90000
                                tabentry->changes_since_analyze;
 #else
                                tabentry->n_live_tuples + tabentry->n_dead_tuples -
                                        tabentry->last_anl_tuples;
 #endif
-                       rstat->autovac_analyze_timestamp =
+
+                       rstat->last_autoanalyze_time =
+#if PG_VERSION_NUM >= 160000
+                               tabentry->last_autoanalyze_time;
+#else
                                tabentry->autovac_analyze_timestamp;
-                       rstat->analyze_timestamp = tabentry->analyze_timestamp;
+#endif
+
+                       rstat->last_analyze_time =
+#if PG_VERSION_NUM >= 160000
+                               tabentry->last_analyze_time;
+#else
+                               tabentry->analyze_timestamp;
+#endif
                }
        }
 
@@ -541,12 +560,12 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
                /* force analyze after truncate, fasttruncate already did analyze */
                operation == CK_TRUNCATE || (
                /* do not analyze too often, if both stamps are exceeded the go */
-               TimestampDifferenceExceeds(rstat->analyze_timestamp, now, online_analyze_min_interval) &&
-               TimestampDifferenceExceeds(rstat->autovac_analyze_timestamp, now, online_analyze_min_interval) &&
+               TimestampDifferenceExceeds(rstat->last_analyze_time, now, online_analyze_min_interval) &&
+               TimestampDifferenceExceeds(rstat->last_autoanalyze_time, now, online_analyze_min_interval) &&
                /* do not analyze too small tables */
-               rstat->n_tuples + rstat->changes_since_analyze + naffected > online_analyze_lower_limit &&
+               rstat->n_tuples + rstat->mod_since_analyze + naffected > online_analyze_lower_limit &&
                /* be in sync with relation_needs_vacanalyze */
-               ((double)(rstat->changes_since_analyze + naffected)) >=
+               ((double)(rstat->mod_since_analyze + naffected)) >=
                         online_analyze_scale_factor * ((double)rstat->n_tuples) +
                         (double)online_analyze_threshold))
        {
@@ -634,8 +653,8 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
                                ((double)secs) + ((double)microsecs)/1.0e6);
                }
 
-               rstat->autovac_analyze_timestamp = now;
-               rstat->changes_since_analyze = 0;
+               rstat->last_autoanalyze_time = now;
+               rstat->mod_since_analyze = 0;
 
                switch(operation)
                {
@@ -659,8 +678,13 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
                /* update last analyze timestamp in local memory of backend */
                if (tabentry)
                {
+#if PG_VERSION_NUM >= 160000
+                       tabentry->last_analyze_time = now;
+                       tabentry->mod_since_analyze = 0;
+#else
                        tabentry->analyze_timestamp = now;
                        tabentry->changes_since_analyze = 0;
+#endif
                }
 #if 0
                /* force reload stat for new table */
@@ -672,25 +696,29 @@ makeAnalyze(Oid relOid, CmdKind operation, int64 naffected)
        {
 #if PG_VERSION_NUM >= 90000
                if (tabentry)
+#if PG_VERSION_NUM >= 160000
+                       tabentry->mod_since_analyze += naffected;
+#else
                        tabentry->changes_since_analyze += naffected;
+#endif
 #endif
                switch(operation)
                {
                        case CK_CREATE:
                        case CK_INSERT:
-                               rstat->changes_since_analyze += naffected;
+                               rstat->mod_since_analyze += naffected;
                                rstat->n_tuples += naffected;
                                break;
                        case CK_UPDATE:
-                               rstat->changes_since_analyze += 2 * naffected;
+                               rstat->mod_since_analyze += 2 * naffected;
                                rstat->n_tuples += naffected;
                                break;
                        case CK_DELETE:
-                               rstat->changes_since_analyze += naffected;
+                               rstat->mod_since_analyze += naffected;
                                break;
                        case CK_TRUNCATE:
                        case CK_FASTTRUNCATE:
-                               rstat->changes_since_analyze = 0;
+                               rstat->mod_since_analyze = 0;
                                rstat->n_tuples = 0;
                                break;
                        default:
@@ -995,8 +1023,8 @@ onlineAnalyzeHookerUtility(
 
                                        while((rstat = hash_seq_search(&hs)) != NULL)
                                        {
-                                               rstat->changes_since_analyze = 0;
-                                               rstat->analyze_timestamp = now;
+                                               rstat->mod_since_analyze = 0;
+                                               rstat->last_analyze_time = now;
                                        }
                                }
                        }