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fcl-db: postgresql: Fix AV in UnprepareStatement (TPQCursor.tr is nil).

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Revealed by TTestTSQLQuery.TestKeepOpenOnCommit.
Commit destroys TPQTrans object, which in destructor sets tr:=nil for all registered cursors. So attempt to Close TSQLQuery after Commit has leading to AV.

git-svn-id: trunk@29507 -
This commit is contained in:
lacak 2015-01-19 13:01:51 +00:00
parent d24382e8f8
commit d8ce1caea3
1 changed files with 1 additions and 1 deletions
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2
packages/fcl-db/src/sqldb/postgres/pqconnection.pp
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@ -953,7 +953,7 @@ begin
res:=nil;
if FPrepared then
begin
if PQtransactionStatus(tr.PGConn) <> PQTRANS_INERROR then
if assigned(tr) and (PQtransactionStatus(tr.PGConn) <> PQTRANS_INERROR) then
begin
res := PQexec(tr.PGConn,pchar('deallocate '+StmtName));
CheckResultError(res,nil,SErrUnPrepareFailed);