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/* contrib/tablefunc/tablefunc--1.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION tablefunc" to load this file. \quit
CREATE FUNCTION normal_rand(int4, float8, float8)
RETURNS setof float8
AS 'MODULE_PATHNAME','normal_rand'
LANGUAGE C VOLATILE STRICT;
-- the generic crosstab function:
CREATE 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 FUNCTION crosstab2(text)
RETURNS setof tablefunc_crosstab_2
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION crosstab3(text)
RETURNS setof tablefunc_crosstab_3
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION crosstab4(text)
RETURNS setof tablefunc_crosstab_4
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE C STABLE STRICT;
-- obsolete:
CREATE FUNCTION crosstab(text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','crosstab'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION crosstab(text,text)
RETURNS setof record
AS 'MODULE_PATHNAME','crosstab_hash'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION connectby(text,text,text,text,int,text)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text'
LANGUAGE C STABLE STRICT;
CREATE 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 FUNCTION connectby(text,text,text,text,text,int,text)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text_serial'
LANGUAGE C STABLE STRICT;
CREATE FUNCTION connectby(text,text,text,text,text,int)
RETURNS setof record
AS 'MODULE_PATHNAME','connectby_text_serial'
LANGUAGE C STABLE STRICT;
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