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Commit43c79c7

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author
Michael Meskes
committed
Ecpg should support COMMIT PREPARED and ROLLBACK PREPARED.
The problem was that "begin transaction" was issued automaticallybefore executing COMMIT/ROLLBACK PREPARED if not in auto commit. This fix byMasahiko Sawada fixes this.
1 parentdd12bef commit43c79c7

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  • src/interfaces/ecpg/ecpglib

1 file changed

+8
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‎src/interfaces/ecpg/ecpglib/misc.c

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -213,9 +213,15 @@ ECPGtrans(int lineno, const char *connection_name, const char *transaction)
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* If we got a transaction command but have no open transaction, we
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* have to start one, unless we are in autocommit, where the
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* developers have to take care themselves. However, if the command is
216-
* a begin statement, we just execute it once.
216+
* a begin statement, we just execute it once. And if the command is
217+
* commit or rollback prepared, we don't execute it.
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*/
218-
if (PQtransactionStatus(con->connection)==PQTRANS_IDLE&& !con->autocommit&&strncmp(transaction,"begin",5)!=0&&strncmp(transaction,"start",5)!=0)
219+
if (PQtransactionStatus(con->connection)==PQTRANS_IDLE&&
220+
!con->autocommit&&
221+
strncmp(transaction,"begin",5)!=0&&
222+
strncmp(transaction,"start",5)!=0&&
223+
strncmp(transaction,"commit prepared",15)!=0&&
224+
strncmp(transaction,"rollback prepared",17)!=0)
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{
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res=PQexec(con->connection,"begin transaction");
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if (!ecpg_check_PQresult(res,lineno,con->connection,ECPG_COMPAT_PGSQL))

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