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Merged
begriffs merged 1 commit into from
Jul 28, 2026
Merged

Version bump we can tag for new new debian package release #31

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2 changes: 1 addition & 1 deletion Makefile
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MODULES = pg_rational
EXTENSION = pg_rational
DATA = pg_rational--0.0.1.sql pg_rational--0.0.1--0.0.2.sql pg_rational--0.0.2.sql
DATA = pg_rational--0.0.1.sql pg_rational--0.0.1--0.0.2.sql pg_rational--0.0.2.sql pg_rational--0.0.2--0.0.3.sql pg_rational--0.0.3.sql
REGRESS = pg_rational_test
PG_CPPFLAGS = -std=c11 -Wextra -Wpedantic

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1 change: 1 addition & 0 deletions pg_rational--0.0.2--0.0.3.sql
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-- there are no sql changes between these versions
354 changes: 354 additions & 0 deletions pg_rational--0.0.3.sql
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\echo Use "CREATE EXTENSION pg_rational" to load this file. \quit

CREATE FUNCTION rational_in(cstring)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_in_float(float8)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_out(rational)
RETURNS cstring
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_out_float(rational)
RETURNS float8
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_recv(internal)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_send(rational)
RETURNS bytea
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE TYPE rational (
INPUT = rational_in,
OUTPUT = rational_out,
RECEIVE = rational_recv,
SEND = rational_send,
INTERNALLENGTH = 8
);

CREATE FUNCTION rational_create(integer, integer)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE TYPE ratt AS (n integer, d integer);
CREATE FUNCTION tuple_to_rational(ratt)
RETURNS rational AS $$
SELECT rational_create($1.n,$1.d);
$$ LANGUAGE SQL;

CREATE CAST (ratt AS rational)
WITH FUNCTION tuple_to_rational(ratt)
AS IMPLICIT;

CREATE CAST (float8 AS rational)
WITH FUNCTION rational_in_float(float8)
AS IMPLICIT;

CREATE CAST (rational as float8)
WITH FUNCTION rational_out_float(rational)
AS IMPLICIT;

CREATE FUNCTION rational_embed(integer)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE CAST (integer AS rational)
WITH FUNCTION rational_embed(integer)
AS IMPLICIT;

CREATE FUNCTION rational_add(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR + (
leftarg = rational,
rightarg = rational,
procedure = rational_add,
commutator = +
);

CREATE FUNCTION rational_sub(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR - (
leftarg = rational,
rightarg = rational,
procedure = rational_sub
);

CREATE FUNCTION rational_mul(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR * (
leftarg = rational,
rightarg = rational,
procedure = rational_mul,
commutator = *
);

CREATE FUNCTION rational_div(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR / (
leftarg = rational,
rightarg = rational,
procedure = rational_div
);

CREATE FUNCTION rational_neg(rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR - (
rightarg = rational,
procedure = rational_neg
);

CREATE FUNCTION rational_simplify(rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_intermediate(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE;

------------- Comparison -------------

CREATE FUNCTION rational_eq(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR = (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_eq,
COMMUTATOR = '=',
NEGATOR = '<>',
RESTRICT = eqsel,
JOIN = eqjoinsel,
HASHES, MERGES
);

CREATE FUNCTION rational_ne(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR <> (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_ne,
COMMUTATOR = '<>',
NEGATOR = '=',
RESTRICT = neqsel,
JOIN = neqjoinsel
);

CREATE FUNCTION rational_lt(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR < (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_lt,
COMMUTATOR = > ,
NEGATOR = >= ,
RESTRICT = scalarltsel,
JOIN = scalarltjoinsel
);

CREATE FUNCTION rational_le(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR <= (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_le,
COMMUTATOR = >= ,
NEGATOR = > ,
RESTRICT = scalarltsel,
JOIN = scalarltjoinsel
);

CREATE FUNCTION rational_gt(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR > (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_gt,
COMMUTATOR = < ,
NEGATOR = <= ,
RESTRICT = scalargtsel,
JOIN = scalargtjoinsel
);

CREATE FUNCTION rational_ge(rational, rational)
RETURNS boolean
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR >= (
LEFTARG = rational,
RIGHTARG = rational,
PROCEDURE = rational_ge,
COMMUTATOR = <= ,
NEGATOR = < ,
RESTRICT = scalargtsel,
JOIN = scalargtjoinsel
);

CREATE FUNCTION rational_cmp(rational, rational)
RETURNS integer
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR CLASS btree_rational_ops
DEFAULT FOR TYPE rational USING btree
AS
OPERATOR 1 < ,
OPERATOR 2 <= ,
OPERATOR 3 = ,
OPERATOR 4 >= ,
OPERATOR 5 > ,
FUNCTION 1 rational_cmp(rational, rational);

CREATE FUNCTION rational_hash(rational)
RETURNS integer
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE OPERATOR CLASS hash_rational_ops
DEFAULT FOR TYPE rational USING hash AS
OPERATOR 1 = ,
FUNCTION 1 rational_hash(rational);


------------- Aggregates -------------

CREATE FUNCTION rational_smaller(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

CREATE FUNCTION rational_larger(rational, rational)
RETURNS rational
AS '$libdir/pg_rational'
LANGUAGE C IMMUTABLE STRICT;

------- Parallel-safe optimization --------

DO LANGUAGE plpgsql $$
BEGIN
IF current_setting('server_version_num')::int >= 90600
THEN
-- newish pg

EXECUTE $alter$
ALTER FUNCTION rational_in(cstring) PARALLEL SAFE;
ALTER FUNCTION rational_in_float(float8) PARALLEL SAFE;
ALTER FUNCTION rational_out(rational) PARALLEL SAFE;
ALTER FUNCTION rational_out_float(rational) PARALLEL SAFE;
ALTER FUNCTION rational_recv(internal) PARALLEL SAFE;
ALTER FUNCTION rational_send(rational) PARALLEL SAFE;
ALTER FUNCTION rational_create(integer, integer) PARALLEL SAFE;
ALTER FUNCTION rational_embed(integer) PARALLEL SAFE;
ALTER FUNCTION rational_add(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_sub(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_mul(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_div(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_neg(rational) PARALLEL SAFE;
ALTER FUNCTION rational_simplify(rational) PARALLEL SAFE;
ALTER FUNCTION rational_eq(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_ne(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_lt(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_le(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_gt(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_ge(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_cmp(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_smaller(rational, rational) PARALLEL SAFE;
ALTER FUNCTION rational_larger(rational, rational) PARALLEL SAFE;
$alter$;

EXECUTE $agg$
CREATE AGGREGATE min(rational) (
SFUNC = rational_smaller,
STYPE = rational,
SORTOP = <,
COMBINEFUNC = rational_smaller,
PARALLEL = SAFE
);

CREATE AGGREGATE max(rational) (
SFUNC = rational_larger,
STYPE = rational,
SORTOP = >,
COMBINEFUNC = rational_larger,
PARALLEL = SAFE
);

CREATE AGGREGATE sum (rational)
(
SFUNC = rational_add,
STYPE = rational,
COMBINEFUNC = rational_add,
PARALLEL = SAFE
);
$agg$;

ELSE
-- old pg

EXECUTE $agg$
CREATE AGGREGATE min(rational) (
SFUNC = rational_smaller,
STYPE = rational,
SORTOP = <
);

CREATE AGGREGATE max(rational) (
SFUNC = rational_larger,
STYPE = rational,
SORTOP = >
);

CREATE AGGREGATE sum (rational)
(
SFUNC = rational_add,
STYPE = rational
);
$agg$;
END IF;
END
$$;
2 changes: 1 addition & 1 deletion pg_rational.control
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comment = 'integer fractions'
default_version = '0.0.2'
default_version = '0.0.3'