Commit2706559

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disallow concurrent index creation insise tx

1 parent08762fd commit2706559Copy full SHA for 2706559

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Lines changed: 6 additions & 10 deletions

Original file line number	Diff line number	Diff line change
`@@ -2442,21 +2442,17 @@ static void MtmProcessUtility(Node parsetree, const char queryString,`
`2442`	`2442`	`caseT_IndexStmt:`
`2443`	`2443`	`{`
`2444`	`2444`	`Oidrelid;`
`2445`		`-LOCKMODElockmode;`
`2446`	`2445`	`Relationrel;`
`2447`		`-`
`2448`	`2446`	`IndexStmtstmt= (IndexStmt)parsetree;`
`2449`		`-lockmode=stmt->concurrent ?ShareUpdateExclusiveLock`
`2450`		`-:ShareLock;`
`2451`		`-relid=RangeVarGetRelidExtended(stmt->relation,lockmode,`
`2452`		`- false, false,`
`2453`		`-NULL,// ???`
`2454`		`-NULL);`
	`2447`	`+boolisTopLevel= (context==PROCESS_UTILITY_TOPLEVEL);`
`2455`	`2448`
`2456`		`-rel=heap_open(relid,lockmode);`
	`2449`	`+if (stmt->concurrent)`
	`2450`	`+PreventTransactionChain(isTopLevel,`
	`2451`	`+"CREATE INDEX CONCURRENTLY");`
`2457`	`2452`
	`2453`	`+relid=RelnameGetRelid(stmt->relation->relname);`
	`2454`	`+rel=heap_open(relid,ShareLock);`
`2458`	`2455`	`skipCommand=rel->rd_rel->relpersistence==RELPERSISTENCE_TEMP;`
`2459`		`-`
`2460`	`2456`	`heap_close(rel,NoLock);`
`2461`	`2457`	`}`
`2462`	`2458`	`break;`

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