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| author | Peter Eisentraut <peter_e@gmx.net> | 2000-10-24 20:16:48 +0000 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2000-10-24 20:16:48 +0000 |
| commit | b0c1c53a4338f1982a44006af205917d3a8e0670 (patch) | |
| tree | a9539208551dfb378d2e8e56d8bbc8d87b5e5a88 /src/backend/utils/adt/int8.c | |
| parent | fa9357d0b75dcd4e3910a7100545cf78cc231f68 (diff) | |
| download | postgresql-b0c1c53a4338f1982a44006af205917d3a8e0670.tar.gz postgresql-b0c1c53a4338f1982a44006af205917d3a8e0670.zip | |
Integer binary operators, from Marko Kreen <marko@l-t.ee>. Renamed bitxor
operator to '#' for consistency. Parser still needs work.
Diffstat (limited to 'src/backend/utils/adt/int8.c')
| -rw-r--r-- | src/backend/utils/adt/int8.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c index b88fc5c45b0..bc4b64b9ec4 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 1.24 2000/07/28 05:07:41 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/int8.c,v 1.25 2000/10/24 20:14:35 petere Exp $ * *------------------------------------------------------------------------- */ @@ -591,6 +591,68 @@ int48div(PG_FUNCTION_ARGS) PG_RETURN_INT64(val1 / val2); } +/* Binary arithmetics + * + * int8and - returns arg1 & arg2 + * int8or - returns arg1 | arg2 + * int8xor - returns arg1 # arg2 + * int8not - returns ~arg1 + * int8shl - returns arg1 << arg2 + * int8shr - returns arg1 >> arg2 + */ + +Datum +int8and(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + int64 arg2 = PG_GETARG_INT64(1); + + PG_RETURN_INT64(arg1 & arg2); +} + +Datum +int8or(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + int64 arg2 = PG_GETARG_INT64(1); + + PG_RETURN_INT64(arg1 | arg2); +} + +Datum +int8xor(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + int64 arg2 = PG_GETARG_INT64(1); + + PG_RETURN_INT64(arg1 ^ arg2); +} + +Datum +int8not(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + + PG_RETURN_INT64(~arg1); +} + +Datum +int8shl(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT64(arg1 << arg2); +} + +Datum +int8shr(PG_FUNCTION_ARGS) +{ + int64 arg1 = PG_GETARG_INT64(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT64(arg1 >> arg2); +} /*---------------------------------------------------------- * Conversion operators. |