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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/int.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/int.c')
| -rw-r--r-- | src/backend/utils/adt/int.c | 120 |
1 files changed, 119 insertions, 1 deletions
diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c index b1153c30d17..4f786784eb7 100644 --- a/src/backend/utils/adt/int.c +++ b/src/backend/utils/adt/int.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.42 2000/08/01 18:29:35 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.43 2000/10/24 20:14:35 petere Exp $ * *------------------------------------------------------------------------- */ @@ -843,3 +843,121 @@ int4smaller(PG_FUNCTION_ARGS) PG_RETURN_INT32((arg1 < arg2) ? arg1 : arg2); } + +/* Binary arithmetics + * + * int[24]and - returns arg1 & arg2 + * int[24]or - returns arg1 | arg2 + * int[24]xor - returns arg1 # arg2 + * int[24]not - returns ~arg1 + * int[24]shl - returns arg1 << arg2 + * int[24]shr - returns arg1 >> arg2 + */ + +Datum +int4and(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT32(arg1 & arg2); +} + +Datum +int4or(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT32(arg1 | arg2); +} + +Datum +int4xor(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT32(arg1 ^ arg2); +} + +Datum +int4shl(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT32(arg1 << arg2); +} + +Datum +int4shr(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT32(arg1 >> arg2); +} + +Datum +int4not(PG_FUNCTION_ARGS) +{ + int32 arg1 = PG_GETARG_INT32(0); + + PG_RETURN_INT32(~arg1); +} + +Datum +int2and(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + int16 arg2 = PG_GETARG_INT16(1); + + PG_RETURN_INT16(arg1 & arg2); +} + +Datum +int2or(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + int16 arg2 = PG_GETARG_INT16(1); + + PG_RETURN_INT16(arg1 | arg2); +} + +Datum +int2xor(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + int16 arg2 = PG_GETARG_INT16(1); + + PG_RETURN_INT16(arg1 ^ arg2); +} + +Datum +int2not(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + + PG_RETURN_INT16(~arg1); +} + + +Datum +int2shl(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT16(arg1 << arg2); +} + +Datum +int2shr(PG_FUNCTION_ARGS) +{ + int16 arg1 = PG_GETARG_INT16(0); + int32 arg2 = PG_GETARG_INT32(1); + + PG_RETURN_INT16(arg1 >> arg2); +} + |