1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/tablefunc/tablefunc--1.0.sql b/contrib/tablefunc/tablefunc--1.0.sql
new file mode 100644
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+++ b/contrib/tablefunc/tablefunc--1.0.sql
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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;