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Add transaction status field to ReadyForQuery messages, and make room

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for tableID/columnID in RowDescription.  (The latter isn't really
implemented yet though --- the backend always sends zeroes, and libpq
just throws away the data.)
This commit is contained in:
Tom Lane
2003-04-26 20:23:00 +00:00
parent 2b1e36c7c0
commit 4db9689d1a
8 changed files with 118 additions and 41 deletions
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39
src/backend/access/transam/xact.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.145 2003/03/27 16:51:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.146 2003/04/26 20:22:59 tgl Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@ -1705,17 +1705,44 @@ AbortOutOfAnyTransaction(void)
s->blockState = TBLOCK_DEFAULT;
}
/*
* IsTransactionBlock --- are we within a transaction block?
*/
bool
IsTransactionBlock(void)
{
TransactionState s = CurrentTransactionState;
if (s->blockState == TBLOCK_INPROGRESS
|| s->blockState == TBLOCK_ABORT
|| s->blockState == TBLOCK_ENDABORT)
return true;
if (s->blockState == TBLOCK_DEFAULT)
return false;
return false;
return true;
}
/*
* TransactionBlockStatusCode - return status code to send in ReadyForQuery
*/
char
TransactionBlockStatusCode(void)
{
TransactionState s = CurrentTransactionState;
switch (s->blockState)
{
case TBLOCK_DEFAULT:
return 'I'; /* idle --- not in transaction */
case TBLOCK_BEGIN:
case TBLOCK_INPROGRESS:
case TBLOCK_END:
return 'T'; /* in transaction */
case TBLOCK_ABORT:
case TBLOCK_ENDABORT:
return 'E'; /* in failed transaction */
}
/* should never get here */
elog(ERROR, "bogus transaction block state");
return 0; /* keep compiler quiet */
}