Re: [HACKERS] New array functions - Mailing list pgsql-patches

Patch applied.  Thanks.

---------------------------------------------------------------------------


Joe Conway wrote:
> Joe Conway wrote:
> > Tom Lane wrote:
> >> Did we discuss this already?  I'd forgotten.
> >>
> > I can't find it in the archives for some reason, but here was the exchange:
> >
> > Tom Lane wrote:
> >  > Bruce Momjian <pgman@candle.pha.pa.us> writes:
> >  >
> >  >>Joe Conway wrote:
> >  >>
> >  >>>I do agree that it makes contrib/array unnecessary. I was going to
> >  >>>suggest we remove that if this was committed.
> >  >
> >  >>Good idea.
> >  >
> >  > We could do that, but it might be more friendly to just mark it as
> >  > deprecated for one release cycle before zapping it.  That'd give
> >  > people who use it some time to convert over.
> >
> > So I guess since it was actually you who objected, you have the right to
> > change your mind ;-)
> >
>
> Here is a patch that removes contrib/array, leaving only the README with
> some examples of the new syntax and a reference to the documentation.
>
> I'll try to take a look at contrib/intarray and contrib/intagg before
> the weekend is through, and at least post a recommendation.
>
> Joe
>

> Index: contrib/array/Makefile
> ===================================================================
> RCS file: contrib/array/Makefile
> diff -N contrib/array/Makefile
> *** contrib/array/Makefile    6 Sep 2001 10:49:29 -0000    1.16
> --- /dev/null    1 Jan 1970 00:00:00 -0000
> ***************
> *** 1,11 ****
> - # $Header: /opt/src/cvs/pgsql-server/contrib/array/Makefile,v 1.16 2001/09/06 10:49:29 petere Exp $
> -
> - subdir = contrib/array
> - top_builddir = ../..
> - include $(top_builddir)/src/Makefile.global
> -
> - MODULES = array_iterator
> - DATA_built = array_iterator.sql
> - DOCS = README.array_iterator
> -
> - include $(top_srcdir)/contrib/contrib-global.mk
> --- 0 ----
> Index: contrib/array/README.array_iterator
> ===================================================================
> RCS file: /opt/src/cvs/pgsql-server/contrib/array/README.array_iterator,v
> retrieving revision 1.2
> diff -c -r1.2 README.array_iterator
> *** contrib/array/README.array_iterator    26 Aug 2002 17:53:57 -0000    1.2
> --- contrib/array/README.array_iterator    31 Aug 2003 04:37:04 -0000
> ***************
> *** 1,49 ****
> ! Array iterator functions, by Massimo Dal Zotto <dz@cs.unitn.it>
> ! Copyright (C) 1999, Massimo Dal Zotto <dz@cs.unitn.it>
>
> ! This software is distributed under the GNU General Public License
> ! either version 2, or (at your option) any later version.
>
>
> ! This loadable module defines a new class of functions which take
> ! an array and a scalar value, iterate a scalar operator over the
> ! elements of the array and the value, and compute a result as
> ! the logical OR or AND of the iteration results.
> ! For example array_int4eq returns true if some of the elements
> ! of an array of int4 is equal to the given value:
> !
> !     array_int4eq({1,2,3}, 1)  -->  true
> !     array_int4eq({1,2,3}, 4)  -->  false
> !
> ! If we have defined T array types and O scalar operators we can
> ! define T x O x 2 array functions, each of them has a name like
> ! "array_[all_]<basetype><operation>" and takes an array of type T
> ! iterating the operator O over all the elements. Note however
> ! that some of the possible combination are invalid, for example
> ! the array_int4_like because there is no like operator for int4.
> !
> ! We can then define new operators based on these functions and use
> ! them to write queries with qualification clauses based on the
> ! values of some of the elements of an array.
> ! For example to select rows having some or all element of an array
> ! attribute equal to a given value or matching a regular expression:
> !
> !     create table t(id int4[], txt text[]);
> !
> !     -- select tuples with some id element equal to 123
> !     select * from t where t.id *= 123;
> !
> !     -- select tuples with some txt element matching '[a-z]'
> !     select * from t where t.txt *~ '[a-z]';
> !
> !     -- select tuples with all txt elements matching '^[A-Z]'
> !     select * from t where t.txt[1:3] **~ '^[A-Z]';
> !
> ! The scheme is quite general, each operator which operates on a base type
> ! can be iterated over the elements of an array. It seem to work well but
> ! defining each new operator requires writing a different C function.
> ! This is tedious, and error-prone since one must take care that the correct
> ! datatypes are associated with the selected underlying function.
> ! Can anyone suggest a better and more portable way to do it ?
>
> - See also array_iterator.sql for an example on how to use this module.
> --- 1,32 ----
> ! Array iterator functions have been removed as of PostgreSQL 7.4, because
> ! equivalent functionality is now available built in to the backend.
>
> ! For example, previously, using contrib/array, you might have used the
> ! following construct:
>
> +     create table t(id int4[], txt text[]);
>
> !     -- select tuples with some id element equal to 123
> !     select * from t where t.id *= 123;
> !
> ! Now you would do this instead:
> !
> !     -- select tuples with some id element equal to 123
> !     select * from t where 123 = any (t.id);
> !
> !     -- or you could also do this
> !     select * from t where 123 = some (t.id);
> !
> ! Similarly, if using contrib/array, you did the following:
> !
> !     -- select tuples with all txt elements matching '^[A-Z]'
> !     select * from t where t.txt[1:3] **~ '^[A-Z]';
> !
> ! Now do this instead:
> !
> !     -- select tuples with all txt elements matching '^[A-Z]'
> !     select * from t where '^[A-Z]' ~ all (t.txt[1:3]);
> !
> ! See the related section in the online documentation for more detail:
> !     Table of Contents => Functions and Operators => Row and Array Comparisons
>
> Index: contrib/array/array_iterator.c
> ===================================================================
> RCS file: contrib/array/array_iterator.c
> diff -N contrib/array/array_iterator.c
> *** contrib/array/array_iterator.c    26 May 2003 00:11:27 -0000    1.26
> --- /dev/null    1 Jan 1970 00:00:00 -0000
> ***************
> *** 1,333 ****
> - /*
> -  * array_iterator.c --
> -  *
> -  * This file defines a new class of operators which take an
> -  * array and a scalar value, iterate a scalar operator over the
> -  * elements of the array and the value and compute a result as
> -  * the logical OR or AND of the iteration results.
> -  *
> -  * Copyright (C) 1999, Massimo Dal Zotto <dz@cs.unitn.it>
> -  * ported to postgreSQL 6.3.2,added oid_functions, 18.1.1999,
> -  * Tobias Gabele <gabele@wiz.uni-kassel.de>
> -  *
> -  * This software is distributed under the GNU General Public License
> -  * either version 2, or (at your option) any later version.
> -  */
> -
> - #include "postgres.h"
> -
> - #include <ctype.h>
> - #include <stdio.h>
> - #include <sys/types.h>
> - #include <string.h>
> -
> - #include "access/tupmacs.h"
> - #include "access/xact.h"
> - #include "fmgr.h"
> - #include "miscadmin.h"
> - #include "utils/array.h"
> - #include "utils/builtins.h"
> - #include "utils/fmgroids.h"
> - #include "utils/memutils.h"
> - #include "utils/lsyscache.h"
> -
> - #include "array_iterator.h"
> -
> -
> - static int32
> - array_iterator(Oid proc, int and, ArrayType *array, Datum value)
> - {
> -     Oid            elemtype;
> -     int16        typlen;
> -     bool        typbyval;
> -     char        typalign;
> -     int            nitems,
> -                 i;
> -     Datum        result;
> -     int            ndim,
> -                *dim;
> -     char       *p;
> -     FmgrInfo    finfo;
> -
> -     /* Sanity checks */
> -     if (array == (ArrayType *) NULL)
> -     {
> -         /* elog(WARNING, "array_iterator: array is null"); */
> -         return (0);
> -     }
> -
> -     /* detoast input if necessary */
> -     array = DatumGetArrayTypeP(PointerGetDatum(array));
> -
> -     ndim = ARR_NDIM(array);
> -     dim = ARR_DIMS(array);
> -     nitems = ArrayGetNItems(ndim, dim);
> -     if (nitems == 0)
> -         return (0);
> -
> -     /* Lookup element type information */
> -     elemtype = ARR_ELEMTYPE(array);
> -     get_typlenbyvalalign(elemtype, &typlen, &typbyval, &typalign);
> -
> -     /* Lookup the function entry point */
> -     fmgr_info(proc, &finfo);
> -     if (finfo.fn_nargs != 2)
> -     {
> -         elog(ERROR, "array_iterator: proc %u does not take 2 args", proc);
> -         return (0);
> -     }
> -
> -     /* Scan the array and apply the operator to each element */
> -     result = BoolGetDatum(false);
> -     p = ARR_DATA_PTR(array);
> -     for (i = 0; i < nitems; i++)
> -     {
> -         Datum        itemvalue;
> -
> -         itemvalue = fetch_att(p, typbyval, typlen);
> -
> -         p = att_addlength(p, typlen, PointerGetDatum(p));
> -         p = (char *) att_align(p, typalign);
> -
> -         result = FunctionCall2(&finfo, itemvalue, value);
> -
> -         if (DatumGetBool(result))
> -         {
> -             if (!and)
> -                 return (1);
> -         }
> -         else
> -         {
> -             if (and)
> -                 return (0);
> -         }
> -     }
> -
> -     if (and && DatumGetBool(result))
> -         return (1);
> -     else
> -         return (0);
> - }
> -
> - /*
> -  * Iterator functions for type _text
> -  */
> -
> - int32
> - array_texteq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTEQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_texteq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTEQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_textregexeq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTREGEXEQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_textregexeq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTREGEXEQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - /*
> -  * Iterator functions for type _bpchar. Note that the regexp
> -  * operators take the second argument of type text.
> -  */
> -
> - int32
> - array_bpchareq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_BPCHAREQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_bpchareq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_BPCHAREQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_bpcharregexeq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTREGEXEQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_bpcharregexeq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_TEXTREGEXEQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - /*
> -  * Iterator functions for type _int4
> -  */
> -
> - int32
> - array_int4eq(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4EQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4eq(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4EQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_int4ne(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4NE,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4ne(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4NE,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_int4gt(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4GT,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4gt(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4GT,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_int4ge(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4GE,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4ge(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4GE,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_int4lt(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4LT,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4lt(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4LT,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_int4le(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4LE,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_int4le(ArrayType *array, int4 value)
> - {
> -     return array_iterator(F_INT4LE,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - /* new tobias gabele 1999 */
> -
> - int32
> - array_oideq(ArrayType *array, Oid value)
> - {
> -     return array_iterator(F_OIDEQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_oidne(ArrayType *array, Oid value)
> - {
> -     return array_iterator(F_OIDNE,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_ineteq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_NETWORK_EQ,
> -                           0,    /* logical or */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_ineteq(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_NETWORK_EQ,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_inetne(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_NETWORK_NE,
> -                           0,    /* logical and */
> -                           array, (Datum) value);
> - }
> -
> - int32
> - array_all_inetne(ArrayType *array, void *value)
> - {
> -     return array_iterator(F_NETWORK_NE,
> -                           1,    /* logical and */
> -                           array, (Datum) value);
> - }
> --- 0 ----
> Index: contrib/array/array_iterator.h
> ===================================================================
> RCS file: contrib/array/array_iterator.h
> diff -N contrib/array/array_iterator.h
> *** contrib/array/array_iterator.h    26 May 2003 00:11:27 -0000    1.10
> --- /dev/null    1 Jan 1970 00:00:00 -0000
> ***************
> *** 1,38 ****
> - #ifndef ARRAY_ITERATOR_H
> - #define ARRAY_ITERATOR_H
> -
> - static int32 array_iterator(Oid proc, int and,
> -                ArrayType *array, Datum value);
> -
> - int32        array_texteq(ArrayType *array, void *value);
> - int32        array_all_texteq(ArrayType *array, void *value);
> - int32        array_textregexeq(ArrayType *array, void *value);
> - int32        array_all_textregexeq(ArrayType *array, void *value);
> -
> - int32        array_bpchareq(ArrayType *array, void *value);
> - int32        array_all_bpchareq(ArrayType *array, void *value);
> - int32        array_bpcharregexeq(ArrayType *array, void *value);
> - int32        array_all_bpcharregexeq(ArrayType *array, void *value);
> -
> - int32        array_int4eq(ArrayType *array, int4 value);
> - int32        array_all_int4eq(ArrayType *array, int4 value);
> - int32        array_int4ne(ArrayType *array, int4 value);
> - int32        array_all_int4ne(ArrayType *array, int4 value);
> - int32        array_int4gt(ArrayType *array, int4 value);
> - int32        array_all_int4gt(ArrayType *array, int4 value);
> - int32        array_int4ge(ArrayType *array, int4 value);
> - int32        array_all_int4ge(ArrayType *array, int4 value);
> - int32        array_int4lt(ArrayType *array, int4 value);
> - int32        array_all_int4lt(ArrayType *array, int4 value);
> - int32        array_int4le(ArrayType *array, int4 value);
> - int32        array_all_int4le(ArrayType *array, int4 value);
> -
> - int32        array_oideq(ArrayType *array, Oid value);
> - int32        array_all_oidne(ArrayType *array, Oid value);
> -
> - int32        array_ineteq(ArrayType *array, void *value);
> - int32        array_all_ineteq(ArrayType *array, void *value);
> - int32        array_inetne(ArrayType *array, void *value);
> - int32        array_all_inetne(ArrayType *array, void *value);
> -
> - #endif
> --- 0 ----
> Index: contrib/array/array_iterator.sql.in
> ===================================================================
> RCS file: contrib/array/array_iterator.sql.in
> diff -N contrib/array/array_iterator.sql.in
> *** contrib/array/array_iterator.sql.in    26 May 2003 00:11:27 -0000    1.10
> --- /dev/null    1 Jan 1970 00:00:00 -0000
> ***************
> *** 1,329 ****
> - -- SQL code to define the new array iterator functions and operators
> -
> - -- define the array operators *=, **=, *~ and **~ for type _text
> - --
> -
> - -- Adjust this setting to control where the objects get created.
> - SET search_path = public;
> -
> - CREATE OR REPLACE FUNCTION array_texteq(_text, text)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_texteq(_text, text)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_textregexeq(_text, text)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_textregexeq(_text, text)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - DROP OPERATOR *=(_text,text);
> - CREATE OPERATOR *= (
> -     LEFTARG=_text,
> -     RIGHTARG=text,
> -     PROCEDURE=array_texteq
> - );
> -
> - DROP OPERATOR **=(_text,text);
> - CREATE OPERATOR **= (
> -     LEFTARG=_text,
> -     RIGHTARG=text,
> -     PROCEDURE=array_all_texteq
> - );
> -
> - DROP OPERATOR *~(_text,text);
> - CREATE OPERATOR *~ (
> -     LEFTARG=_text,
> -     RIGHTARG=text,
> -     PROCEDURE=array_textregexeq
> - );
> -
> - DROP OPERATOR **~(_text,text);
> - CREATE OPERATOR **~ (
> -     LEFTARG=_text,
> -     RIGHTARG=text,
> -     PROCEDURE=array_all_textregexeq
> - );
> -
> -
> - -- define the array operators *=, **=, *~ and **~ for type _bpchar
> - --
> - CREATE OR REPLACE FUNCTION array_bpchareq(_bpchar, bpchar)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_bpchareq(_bpchar, bpchar)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_bpcharregexeq(_bpchar, bpchar)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_bpcharregexeq(_bpchar, bpchar)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - DROP OPERATOR *=(_bpchar,bpchar);
> - CREATE OPERATOR *= (
> -     LEFTARG=_bpchar,
> -     RIGHTARG=bpchar,
> -     PROCEDURE=array_bpchareq
> - );
> -
> - DROP OPERATOR **=(_bpchar,bpchar);
> - CREATE OPERATOR **= (
> -     LEFTARG=_bpchar,
> -     RIGHTARG=bpchar,
> -     PROCEDURE=array_all_bpchareq
> - );
> -
> - DROP OPERATOR *~(_bpchar,bpchar);
> - CREATE OPERATOR *~ (
> -     LEFTARG=_bpchar,
> -     RIGHTARG=bpchar,
> -     PROCEDURE=array_bpcharregexeq
> - );
> -
> - DROP OPERATOR **~(_bpchar,bpchar);
> - CREATE OPERATOR **~ (
> -     LEFTARG=_bpchar,
> -     RIGHTARG=bpchar,
> -     PROCEDURE=array_all_bpcharregexeq
> - );
> -
> -
> - -- define the array operators *=, **=, *> and **> for type _int4
> - --
> - CREATE OR REPLACE FUNCTION array_int4eq(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4eq(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_int4ne(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4ne(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_int4gt(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4gt(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_int4ge(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4ge(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_int4lt(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4lt(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_int4le(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_int4le(_int4, int4)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - DROP OPERATOR *=(_int4,int4);
> - CREATE OPERATOR *= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4eq
> - );
> -
> - DROP OPERATOR **=(_int4,int4);
> - CREATE OPERATOR **= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4eq
> - );
> -
> - DROP OPERATOR *<>(_int4,int4);
> - CREATE OPERATOR *<> (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4ne
> - );
> -
> - DROP OPERATOR **<>(_int4,int4);
> - CREATE OPERATOR **<> (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4ne
> - );
> -
> - DROP OPERATOR *>(_int4,int4);
> - CREATE OPERATOR *> (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4gt
> - );
> -
> - DROP OPERATOR **>(_int4,int4);
> - CREATE OPERATOR **> (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4gt
> - );
> -
> - DROP OPERATOR *>=(_int4,int4);
> - CREATE OPERATOR *>= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4ge
> - );
> -
> - DROP OPERATOR **>=(_int4,int4);
> - CREATE OPERATOR **>= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4ge
> - );
> -
> - DROP OPERATOR *<(_int4,int4);
> - CREATE OPERATOR *< (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4lt
> - );
> -
> - DROP OPERATOR **<(_int4,int4);
> - CREATE OPERATOR **< (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4lt
> - );
> -
> - DROP OPERATOR *<=(_int4,int4);
> - CREATE OPERATOR *<= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_int4le
> - );
> -
> - DROP OPERATOR **<=(_int4,int4);
> - CREATE OPERATOR **<= (
> -     LEFTARG=_int4,
> -     RIGHTARG=int4,
> -     PROCEDURE=array_all_int4le
> - );
> -
> - -- define the array operators *=, **<>  for type _oid  (added tobias 1. 1999)
> - --
> - CREATE OR REPLACE FUNCTION array_oideq(_oid, oid)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_oidne(_oid, oid)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - DROP OPERATOR *=(_oid,oid);
> - CREATE OPERATOR *= (
> -     LEFTARG=_oid,
> -     RIGHTARG=oid,
> -     PROCEDURE=array_oideq
> - );
> -
> - DROP OPERATOR **<>(_oid,oid);
> - CREATE OPERATOR **<> (
> -     LEFTARG=_oid,
> -     RIGHTARG=oid,
> -     PROCEDURE=array_all_oidne
> - );
> -
> - -- define the array operators *=, **=, *<>, **<> for type _inet
> -
> - CREATE OR REPLACE FUNCTION array_ineteq(_inet, inet)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_ineteq(_inet, inet)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_inetne(_inet, inet)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - CREATE OR REPLACE FUNCTION array_all_inetne(_inet, inet)
> - RETURNS bool
> - AS 'MODULE_PATHNAME'
> - LANGUAGE 'C' IMMUTABLE STRICT;
> -
> - DROP OPERATOR *=(_inet,inet);
> - CREATE OPERATOR *= (
> -     LEFTARG=_inet,
> -     RIGHTARG=inet,
> -     PROCEDURE=array_ineteq
> - );
> -
> - DROP OPERATOR **=(_inet,inet);
> - CREATE OPERATOR **= (
> -     LEFTARG=_inet,
> -     RIGHTARG=inet,
> -     PROCEDURE=array_all_ineteq
> - );
> -
> - DROP OPERATOR *<>(_inet,inet);
> - CREATE OPERATOR *<> (
> -     LEFTARG=_inet,
> -     RIGHTARG=inet,
> -     PROCEDURE=array_inetne
> - );
> -
> - DROP OPERATOR **<>(_inet,inet);
> - CREATE OPERATOR **<> (
> -     LEFTARG=_inet,
> -     RIGHTARG=inet,
> -     PROCEDURE=array_all_inetne
> - );
> --- 0 ----
> Index: contrib/Makefile
> ===================================================================
> RCS file: /opt/src/cvs/pgsql-server/contrib/Makefile,v
> retrieving revision 1.45
> diff -c -r1.45 Makefile
> *** contrib/Makefile    24 Jul 2003 16:54:58 -0000    1.45
> --- contrib/Makefile    31 Aug 2003 04:47:01 -0000
> ***************
> *** 5,11 ****
>   include $(top_builddir)/src/Makefile.global
>
>   WANTED_DIRS = \
> -         array        \
>           btree_gist    \
>           chkpass        \
>           cube        \
> --- 5,10 ----
> ***************
> *** 44,49 ****
> --- 43,49 ----
>           vacuumlo
>
>   # Missing:
> + #        array        \ (removed all but the README)
>   #        adddepend    \ (does not have a makefile)
>   #        ipc_check    \ (does not have a makefile)
>   #        mSQL-interface    \ (requires msql installed)

>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: Have you searched our list archives?
>
>                http://archives.postgresql.org

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073