+ else if (IsA(parsetree, DropStmt) &&
+ ((DropStmt*)parsetree)->removeType == OBJECT_TABLE)
+ {
+ ListCell *cell;
+
+ foreach(cell, ((DropStmt*)parsetree)->objects)
+ {
+ List *relname = (List *) lfirst(cell);
+ RangeVar *rel = makeRangeVarFromNameList(relname);
+ Oid relOid = RangeVarGetRelid(rel, NoLock, true);
+
+ if (OidIsValid(relOid))
+ {
+ MemoryContext ctx;
+
+ ctx = MemoryContextSwitchTo(TopTransactionContext);
+ toremove = lappend_oid(toremove, relOid);
+ MemoryContextSwitchTo(ctx);
+ }
+ }
+ }
+ else if (IsA(parsetree, VacuumStmt))
+ {
+ VacuumStmt *vac = (VacuumStmt*)parsetree;
+
+#if PG_VERSION_NUM >= 110000
+ tblnames = vac->rels;
+#else
+ if (vac->relation)
+ tblnames = list_make1(vac->relation);
+#endif
+
+ if (vac->options & (VACOPT_VACUUM | VACOPT_FULL | VACOPT_FREEZE))
+ {
+ /* optionally with analyze */
+ op = CK_VACUUM;
+
+ /* drop all collected stat */
+ if (tblnames == NIL)
+ relstatsInit();
+ }
+ else if (vac->options & VACOPT_ANALYZE)
+ {
+ op = CK_ANALYZE;
+
+ /* should reset all counters */
+ if (tblnames == NIL)
+ {
+ HASH_SEQ_STATUS hs;
+ OnlineAnalyzeTableStat *rstat;
+ TimestampTz now = GetCurrentTimestamp();
+
+ hash_seq_init(&hs, relstats);
+
+ while((rstat = hash_seq_search(&hs)) != NULL)
+ {
+ rstat->changes_since_analyze = 0;
+ rstat->analyze_timestamp = now;
+ }
+ }
+ }
+ else
+ tblnames = NIL;
+ }