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Diffstat (limited to 'src/backend/utils/adt/int8.c')
-rw-r--r--src/backend/utils/adt/int8.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c
index 41a60615884..b689cb764a4 100644
--- a/src/backend/utils/adt/int8.c
+++ b/src/backend/utils/adt/int8.c
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/int8.c,v 1.34 2001/10/25 05:49:44 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/int8.c,v 1.35 2001/10/25 14:10:06 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -698,6 +698,29 @@ int84(PG_FUNCTION_ARGS)
}
Datum
+int28(PG_FUNCTION_ARGS)
+{
+ int16 val = PG_GETARG_INT16(0);
+
+ PG_RETURN_INT64((int64) val);
+}
+
+Datum
+int82(PG_FUNCTION_ARGS)
+{
+ int64 val = PG_GETARG_INT64(0);
+ int16 result;
+
+ result = (int16) val;
+
+ /* Test for overflow by reverse-conversion. */
+ if ((int64) result != val)
+ elog(ERROR, "int8 conversion to int2 is out of range");
+
+ PG_RETURN_INT16(result);
+}
+
+Datum
i8tod(PG_FUNCTION_ARGS)
{
int64 val = PG_GETARG_INT64(0);