postgresql/contrib/tablefunc/tablefunc.sql.in
Tom Lane 978129f28e Document get_call_result_type() and friends; mark TypeGetTupleDesc()
and RelationNameGetTupleDesc() as deprecated; remove uses of the
latter in the contrib library.  Along the way, clean up crosstab()
code and documentation a little.
2005-05-30 23:09:07 +00:00

87 lines
2.2 KiB
MySQL

-- Adjust this setting to control where the objects get created.
SET search_path = public;
CREATE OR REPLACE FUNCTION normal_rand(int4, float8, float8)
RETURNS setof float8
AS 'MODULE_PATHNAME','normal_rand'
LANGUAGE 'C' VOLATILE STRICT;
-- the generic crosstab function:
CREATE OR REPLACE FUNCTION crosstab(text)
RETURNS setof record
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE 'C' STABLE STRICT;
-- examples of building custom type-specific crosstab functions:
CREATE TYPE tablefunc_crosstab_2 AS
(
row_name TEXT,
category_1 TEXT,
category_2 TEXT
);
CREATE TYPE tablefunc_crosstab_3 AS
(
row_name TEXT,
category_1 TEXT,
category_2 TEXT,
category_3 TEXT
);
CREATE TYPE tablefunc_crosstab_4 AS
(
row_name TEXT,
category_1 TEXT,
category_2 TEXT,
category_3 TEXT,
category_4 TEXT
);
CREATE OR REPLACE FUNCTION crosstab2(text)
RETURNS setof tablefunc_crosstab_2
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION crosstab3(text)
RETURNS setof tablefunc_crosstab_3
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION crosstab4(text)
RETURNS setof tablefunc_crosstab_4
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE 'C' STABLE STRICT;
-- obsolete:
CREATE OR REPLACE FUNCTION crosstab(text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION crosstab(text,text)
RETURNS setof record
AS 'MODULE_PATHNAME','crosstab_hash'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION connectby(text,text,text,text,int,text)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION connectby(text,text,text,text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text'
LANGUAGE 'C' STABLE STRICT;
-- These 2 take the name of a field to ORDER BY as 4th arg (for sorting siblings)
CREATE OR REPLACE FUNCTION connectby(text,text,text,text,text,int,text)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text_serial'
LANGUAGE 'C' STABLE STRICT;
CREATE OR REPLACE FUNCTION connectby(text,text,text,text,text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text_serial'
LANGUAGE 'C' STABLE STRICT;