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Autocommit shouldn't change deferrable on servers not supporting it

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Regression on unsupported Postgres versions after fixing bug #580
This commit is contained in:
Daniele Varrazzo 2018-02-06 00:40:20 +00:00
parent c52e49a9da
commit 5309da117d
1 changed files with 2 additions and 2 deletions
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4
psycopg/connection_int.c
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@ -1194,7 +1194,7 @@ conn_set_session(connectionObject *self, int autocommit,
int want_autocommit = autocommit == SRV_STATE_UNCHANGED ?
self->autocommit : autocommit;
if (deferrable != self->deferrable && self->server_version < 90100) {
if (deferrable != SRV_STATE_UNCHANGED && self->server_version < 90100) {
PyErr_SetString(ProgrammingError,
"the 'deferrable' setting is only available"
" from PostgreSQL 9.1");
@ -1256,7 +1256,7 @@ conn_set_session(connectionObject *self, int autocommit,
goto endlock;
}
}
if (self->deferrable != STATE_DEFAULT) {
if (self->server_version >= 90100 && self->deferrable != STATE_DEFAULT) {
if (0 > pq_set_guc_locked(self,
"default_transaction_deferrable", "default",
&pgres, &error, &_save)) {