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Commitae972c1

Browse files
knizhnikkelvich
authored andcommitted
Fix handling of DDL
1 parentb2f9970 commitae972c1

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3 files changed

+18
-19
lines changed

3 files changed

+18
-19
lines changed

‎multimaster.c

Lines changed: 16 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -489,7 +489,7 @@ static void MtmPrepareTransaction(MtmCurrentTrans* x)
489489
MtmLock(LW_EXCLUSIVE);
490490
ts=hash_search(xid2state,&x->xid,HASH_ENTER,NULL);
491491
ts->status=TRANSACTION_STATUS_IN_PROGRESS;
492-
ts->snapshot=x->isReplicated ?INVALID_CSN :x->snapshot;
492+
ts->snapshot=x->isReplicated|| !x->containsDML?INVALID_CSN :x->snapshot;
493493
ts->csn=MtmAssignCSN();
494494
ts->gtid=x->gtid;
495495
ts->cmd=MSG_INVALID;
@@ -868,7 +868,7 @@ mtm_drop_node(PG_FUNCTION_ARGS)
868868
dtm->nNodes-=1;
869869
if (!IsTransactionBlock())
870870
{
871-
MtmBroadcastUtilityStmt(psprintf("selectmultimaster.drop_node(%d,%s)",nodeId,dropSlot ?"true" :"false"), true);
871+
MtmBroadcastUtilityStmt(psprintf("selectmtm.drop_node(%d,%s)",nodeId,dropSlot ?"true" :"false"), true);
872872
}
873873
if (dropSlot)
874874
{
@@ -989,7 +989,7 @@ static void MtmBroadcastUtilityStmt(char const* sql, bool ignoreError)
989989
}
990990
}
991991

992-
staticvoidMtmProcessDDLCommand(charconst*queryString)
992+
staticboolMtmProcessDDLCommand(charconst*queryString)
993993
{
994994
RangeVar*rv;
995995
Relationrel;
@@ -1002,8 +1002,12 @@ static void MtmProcessDDLCommand(char const* queryString)
10021002
rv=makeRangeVar(MULTIMASTER_SCHEMA_NAME,MULTIMASTER_DDL_TABLE,-1);
10031003
rel=heap_openrv_extended(rv,RowExclusiveLock, true);
10041004

1005-
if (rel==NULL) {
1006-
return;
1005+
if (rel==NULL) {
1006+
if (!IsTransactionBlock()) {
1007+
MtmBroadcastUtilityStmt(queryString, false);
1008+
return true;
1009+
}
1010+
return false;
10071011
}
10081012

10091013
tupDesc=RelationGetDescr(rel);
@@ -1026,9 +1030,8 @@ static void MtmProcessDDLCommand(char const* queryString)
10261030
heap_freetuple(tup);
10271031
heap_close(rel,RowExclusiveLock);
10281032

1029-
elog(WARNING,"Replicate command: '%s'",queryString);
1030-
10311033
dtmTx.containsDML= true;
1034+
return false;
10321035
}
10331036

10341037
staticvoidMtmProcessUtility(Node*parsetree,constchar*queryString,
@@ -1038,7 +1041,6 @@ static void MtmProcessUtility(Node *parsetree, const char *queryString,
10381041
boolskipCommand;
10391042
switch (nodeTag(parsetree))
10401043
{
1041-
caseT_TransactionStmt:
10421044
caseT_PlannedStmt:
10431045
caseT_ClosePortalStmt:
10441046
caseT_FetchStmt:
@@ -1052,14 +1054,17 @@ static void MtmProcessUtility(Node *parsetree, const char *queryString,
10521054
caseT_LoadStmt:
10531055
caseT_VariableSetStmt:
10541056
caseT_VariableShowStmt:
1057+
caseT_TransactionStmt:
10551058
skipCommand= true;
10561059
break;
10571060
default:
1058-
skipCommand= false;
1061+
skipCommand= false;
10591062
break;
10601063
}
1061-
if (!skipCommand&& !dtmTx.isReplicated) {
1062-
MtmProcessDDLCommand(queryString);
1064+
if (!skipCommand&& !dtmTx.isReplicated&&context==PROCESS_UTILITY_TOPLEVEL) {
1065+
if (MtmProcessDDLCommand(queryString)) {
1066+
return;
1067+
}
10631068
}
10641069
if (PreviousProcessUtilityHook!=NULL)
10651070
{

‎tests/dtmbench.cpp

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -184,6 +184,8 @@ void initializeDatabase()
184184
printf("Creating database schema...\n");
185185
{
186186
nontransactiontxn(conn);
187+
exec(txn,"drop extension if exists multimsater");
188+
exec(txn,"create extension multimaster");
187189
exec(txn,"drop table if exists t");
188190
exec(txn,"create table t(u int primary key, v int)");
189191
}

‎tests/reinit-mm.sh

Lines changed: 0 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -32,13 +32,5 @@ do
3232
done
3333

3434
sleep 5
35-
echo"Create multimaster extension..."
36-
37-
for((i=1;i<=n_nodes;i++))
38-
do
39-
port=$((5431+i))
40-
psql postgres -p$port -c"create extension multimaster"
41-
done
42-
4335

4436
echo Done

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