Commit 816b008e authored by Michael Meskes's avatar Michael Meskes

Applied patch by Itagaki Takahiro to fix incorrect status calculation in

ecpglib. Instead of parsing the statement just as ask the database server. This
patch removes the whole client side track keeping of the current transaction
status.
parent 1a996d6c
......@@ -167,25 +167,23 @@ ECPGsetcommit(int lineno, const char *mode, const char *connection_name)
if (con->autocommit == true && strncmp(mode, "off", strlen("off")) == 0)
{
if (con->committed)
if (PQtransactionStatus(con->connection) == PQTRANS_IDLE)
{
results = PQexec(con->connection, "begin transaction");
if (!ecpg_check_PQresult(results, lineno, con->connection, ECPG_COMPAT_PGSQL))
return false;
PQclear(results);
con->committed = false;
}
con->autocommit = false;
}
else if (con->autocommit == false && strncmp(mode, "on", strlen("on")) == 0)
{
if (!con->committed)
if (PQtransactionStatus(con->connection) != PQTRANS_IDLE)
{
results = PQexec(con->connection, "commit");
if (!ecpg_check_PQresult(results, lineno, con->connection, ECPG_COMPAT_PGSQL))
return false;
PQclear(results);
con->committed = true;
}
con->autocommit = true;
}
......@@ -540,7 +538,6 @@ ECPGconnect(int lineno, int c, const char *name, const char *user, const char *p
pthread_mutex_unlock(&connections_mutex);
#endif
this->committed = true;
this->autocommit = autocommit;
PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);
......
......@@ -1427,7 +1427,7 @@ ecpg_execute(struct statement * stmt)
/* The request has been build. */
if (stmt->connection->committed && !stmt->connection->autocommit)
if (PQtransactionStatus(stmt->connection->connection) == PQTRANS_IDLE && !stmt->connection->autocommit)
{
results = PQexec(stmt->connection->connection, "begin transaction");
if (!ecpg_check_PQresult(results, stmt->lineno, stmt->connection->connection, stmt->compat))
......@@ -1436,7 +1436,6 @@ ecpg_execute(struct statement * stmt)
return false;
}
PQclear(results);
stmt->connection->committed = false;
}
ecpg_log("ecpg_execute on line %d: query: %s; with %d parameter(s) on connection %s\n", stmt->lineno, stmt->command, nParams, stmt->connection->name);
......
......@@ -76,7 +76,6 @@ struct connection
{
char *name;
PGconn *connection;
bool committed;
int autocommit;
struct ECPGtype_information_cache *cache_head;
struct prepared_statement *prep_stmts;
......
......@@ -206,7 +206,7 @@ ECPGtrans(int lineno, const char *connection_name, const char *transaction)
* developers have to take care themselves. However, if the command is
* a begin statement, we just execute it once.
*/
if (con->committed && !con->autocommit && strncmp(transaction, "begin", 5) != 0 && strncmp(transaction, "start", 5) != 0)
if (PQtransactionStatus(con->connection) == PQTRANS_IDLE && !con->autocommit && strncmp(transaction, "begin", 5) != 0 && strncmp(transaction, "start", 5) != 0)
{
res = PQexec(con->connection, "begin transaction");
if (!ecpg_check_PQresult(res, lineno, con->connection, ECPG_COMPAT_PGSQL))
......@@ -218,11 +218,6 @@ ECPGtrans(int lineno, const char *connection_name, const char *transaction)
if (!ecpg_check_PQresult(res, lineno, con->connection, ECPG_COMPAT_PGSQL))
return FALSE;
PQclear(res);
if (strncmp(transaction, "commit", 6) == 0 || strncmp(transaction, "rollback", 8) == 0)
con->committed = true;
else
con->committed = false;
}
return true;
......
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