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REINDEX CONCURRENTLY

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This commit is contained in:
jiajunchang
2022-08-04 20:22:04 +08:00
parent 111ff9efc3
commit c5b915a5e6
29 changed files with 3509 additions and 248 deletions
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31
src/gausskernel/optimizer/commands/tablecmds.cpp
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@ -3763,10 +3763,12 @@ static void RangeVarCallbackForDropRelation(
char relkind;
Form_pg_class classform;
LOCKMODE heap_lockmode;
bool invalid_system_index;
state = (struct DropRelationCallbackState*)arg;
relkind = state->relkind;
heap_lockmode = state->concurrent ? ShareUpdateExclusiveLock : AccessExclusiveLock;
invalid_system_index = false;
if (target_is_partition)
heap_lockmode = AccessShareLock;
@ -3801,10 +3803,37 @@ static void RangeVarCallbackForDropRelation(
DropErrorMsgWrongType(rel->relname, classform->relkind, relkind);
}
/*
* Check the case of a system index that might have been invalidated by a
* failed concurrent process and allow its drop. For the time being, this
* only concerns indexes of toast relations that became invalid during a
* REINDEX CONCURRENTLY process.
*/
if(IsSystemClass(classform)&&relkind == RELKIND_INDEX) {
HeapTuple locTuple;
Form_pg_index indexform;
bool indisvalid;
locTuple = SearchSysCache1(INDEXRELID,ObjectIdGetDatum(relOid));
if(!HeapTupleIsValid(locTuple)) {
ReleaseSysCache(tuple);
return;
}
indexform = (Form_pg_index) GETSTRUCT(locTuple);
indisvalid = indexform->indisvalid;
ReleaseSysCache(locTuple);
/*Mark object as being an invaild index of system catalogs*/
if(!indisvalid)
invalid_system_index = true;
}
/* Permission Check */
DropRelationPermissionCheck(relkind, relOid, classform->relnamespace, rel->relname);
if (!CheckClassFormPermission(classform)) {
if (!invalid_system_index && !CheckClassFormPermission(classform)) {
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("permission denied: \"%s\" is a system catalog", rel->relname)));