1 files changed, 2 insertions, 55 deletions
diff --git a/src/backend/commands/variable.c b/src/backend/commands/variable.c
index 9a754dae3fd..c2d7a5bebf6 100644
--- a/src/backend/commands/variable.c
+++ b/src/backend/commands/variable.c
@@ -522,32 +522,9 @@ check_transaction_read_only(bool *newval, void **extra, GucSource source)
  * As in check_transaction_read_only, allow it if not inside a transaction.
  */
 bool
-check_XactIsoLevel(char **newval, void **extra, GucSource source)
+check_XactIsoLevel(int *newval, void **extra, GucSource source)
 {
-	int			newXactIsoLevel;
-
-	if (strcmp(*newval, "serializable") == 0)
-	{
-		newXactIsoLevel = XACT_SERIALIZABLE;
-	}
-	else if (strcmp(*newval, "repeatable read") == 0)
-	{
-		newXactIsoLevel = XACT_REPEATABLE_READ;
-	}
-	else if (strcmp(*newval, "read committed") == 0)
-	{
-		newXactIsoLevel = XACT_READ_COMMITTED;
-	}
-	else if (strcmp(*newval, "read uncommitted") == 0)
-	{
-		newXactIsoLevel = XACT_READ_UNCOMMITTED;
-	}
-	else if (strcmp(*newval, "default") == 0)
-	{
-		newXactIsoLevel = DefaultXactIsoLevel;
-	}
-	else
-		return false;
+	int			newXactIsoLevel = *newval;
 
 	if (newXactIsoLevel != XactIsoLevel && IsTransactionState())
 	{
@@ -574,39 +551,9 @@ check_XactIsoLevel(char **newval, void **extra, GucSource source)
 		}
 	}
 
-	*extra = malloc(sizeof(int));
-	if (!*extra)
-		return false;
-	*((int *) *extra) = newXactIsoLevel;
-
 	return true;
 }
 
-void
-assign_XactIsoLevel(const char *newval, void *extra)
-{
-	XactIsoLevel = *((int *) extra);
-}
-
-const char *
-show_XactIsoLevel(void)
-{
-	/* We need this because we don't want to show "default". */
-	switch (XactIsoLevel)
-	{
-		case XACT_READ_UNCOMMITTED:
-			return "read uncommitted";
-		case XACT_READ_COMMITTED:
-			return "read committed";
-		case XACT_REPEATABLE_READ:
-			return "repeatable read";
-		case XACT_SERIALIZABLE:
-			return "serializable";
-		default:
-			return "bogus";
-	}
-}
-
 /*
  * SET TRANSACTION [NOT] DEFERRABLE
  */