contrib/tablefunc/tablefunc.sql.in

   1 /* $PostgreSQL$ */
   2
   3 -- Adjust this setting to control where the objects get created.
   4 SET search_path = public;
   5
   6 CREATE OR REPLACE FUNCTION normal_rand(int4, float8, float8)
   7 RETURNS setof float8
   8 AS 'MODULE_PATHNAME','normal_rand'
   9 LANGUAGE C VOLATILE STRICT;
  10
  11 -- the generic crosstab function:
  12 CREATE OR REPLACE FUNCTION crosstab(text)
  13 RETURNS setof record
  14 AS 'MODULE_PATHNAME','crosstab'
  15 LANGUAGE C STABLE STRICT;
  16
  17 -- examples of building custom type-specific crosstab functions:
  18 CREATE TYPE tablefunc_crosstab_2 AS
  19 (
  20         row_name TEXT,
  21         category_1 TEXT,
  22         category_2 TEXT
  23 );
  24
  25 CREATE TYPE tablefunc_crosstab_3 AS
  26 (
  27         row_name TEXT,
  28         category_1 TEXT,
  29         category_2 TEXT,
  30         category_3 TEXT
  31 );
  32
  33 CREATE TYPE tablefunc_crosstab_4 AS
  34 (
  35         row_name TEXT,
  36         category_1 TEXT,
  37         category_2 TEXT,
  38         category_3 TEXT,
  39         category_4 TEXT
  40 );
  41
  42 CREATE OR REPLACE FUNCTION crosstab2(text)
  43 RETURNS setof tablefunc_crosstab_2
  44 AS 'MODULE_PATHNAME','crosstab'
  45 LANGUAGE C STABLE STRICT;
  46
  47 CREATE OR REPLACE FUNCTION crosstab3(text)
  48 RETURNS setof tablefunc_crosstab_3
  49 AS 'MODULE_PATHNAME','crosstab'
  50 LANGUAGE C STABLE STRICT;
  51
  52 CREATE OR REPLACE FUNCTION crosstab4(text)
  53 RETURNS setof tablefunc_crosstab_4
  54 AS 'MODULE_PATHNAME','crosstab'
  55 LANGUAGE C STABLE STRICT;
  56
  57 -- obsolete:
  58 CREATE OR REPLACE FUNCTION crosstab(text,int)
  59 RETURNS setof record
  60 AS 'MODULE_PATHNAME','crosstab'
  61 LANGUAGE C STABLE STRICT;
  62
  63 CREATE OR REPLACE FUNCTION crosstab(text,text)
  64 RETURNS setof record
  65 AS 'MODULE_PATHNAME','crosstab_hash'
  66 LANGUAGE C STABLE STRICT;
  67
  68 CREATE OR REPLACE FUNCTION connectby(text,text,text,text,int,text)
  69 RETURNS setof record
  70 AS 'MODULE_PATHNAME','connectby_text'
  71 LANGUAGE C STABLE STRICT;
  72
  73 CREATE OR REPLACE FUNCTION connectby(text,text,text,text,int)
  74 RETURNS setof record
  75 AS 'MODULE_PATHNAME','connectby_text'
  76 LANGUAGE C STABLE STRICT;
  77
  78 -- These 2 take the name of a field to ORDER BY as 4th arg (for sorting siblings)
  79
  80 CREATE OR REPLACE FUNCTION connectby(text,text,text,text,text,int,text)
  81 RETURNS setof record
  82 AS 'MODULE_PATHNAME','connectby_text_serial'
  83 LANGUAGE C STABLE STRICT;
  84
  85 CREATE OR REPLACE FUNCTION connectby(text,text,text,text,text,int)
  86 RETURNS setof record
  87 AS 'MODULE_PATHNAME','connectby_text_serial'
  88 LANGUAGE C STABLE STRICT;