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813 Commits

Author SHA1 Message Date
Thomas G. Lockhart 39f69bc38f Start updating for the v7.0 release. 
Use "generic functions" for math and other routines.
Use SQL92 "type 'literal'" syntax rather than Postgres "'literal'::type".
 2000-03-27 17:14:43 +00:00
Tom Lane b9a990d8a8 Add exp(), ln(), and some other functions to numeric-functions table. 2000-03-20 04:20:52 +00:00
Bruce Momjian 394af52795 I'm sending patch with new version of to_char numbers formatting. 
The PostgreSQL's to_char() is very compatible with Oracle's to_char
 now. I hope that to_char's 3000 rows of source is without bugs, but
 will good if anyone test it, for me it works very well :-)


                                                        Karel

----------------------------------------------------------------------
Karel Zak <zakkr@zf.jcu.cz>              http://home.zf.jcu.cz/~zakkr/
 2000-02-08 15:57:01 +00:00
Bruce Momjian b866d2e2d7 as attache of this mail is patch (to the main tree) with to_char's 
family functions. Contain:

  conversion from a datetype to formatted text:

	to_char( datetime, 	text)
	to_char( timestamp,	text)
	to_char( int4,		text)
	to_char( int8,		text)
	to_char( float4,	text)
	to_char( float8,	text)
	to_char( numeric,	text)

  vice versa:

	to_date		( text, text)
	to_datetime	( text, text)
	to_timestamp	( text, text)
	to_number	( text, text)	   (convert to numeric)


  PostgreSQL to_char is very compatible with Oracle's to_char(), but not
total exactly (now). Small differentions are in number formating. It will
fix in next to_char() version.


! If will this patch aplly to the main tree, must be delete the current
  to_char version in contrib (directory "dateformat" and note in contrib's
  README), this patch not erase it (sorry Bruce).



The patch patching files:

	doc/src/sgml/func.sgml
                     ^^^^^^^^
   Hmm, I'm not sure if my English... :( Check it anyone (volunteer)?

   Thomas, it is right? SGML is not my primary lang  and compile
   the current PG docs tree is very happy job (hard variables setting in
   docs/sgml/Makefile --> HSTYLE= /home/users/t/thomas/....  :-)

   What add any definition to global configure.in and set Makefiles in docs
   tree via ./configure?

	src/backend/utils/adt/Makefile
	src/backend/utils/adt/formatting.c
	src/include/catalog/pg_proc.h
	src/include/utils/formatting.h
Karel Zak <zakkr@zf.jcu.cz>              http://home.zf.jcu.cz/~zakkr/
 2000-01-25 23:53:56 +00:00
Thomas G. Lockhart fe2f878173 Fix (mis)information about NULLIF() SQL function. 
Thanks to Tom Lane for pointing it out.
 1999-09-29 05:20:20 +00:00
Thomas G. Lockhart 5e84d58e70 Minor updates for release. 1999-06-14 07:36:12 +00:00
Thomas G. Lockhart 95e3cec621 Include mention of CASE, COALESCE, and IFNULL. 
Add date/time parsing procedure (perhaps should be in appendix).
Add time zone information (ditto).
Update keyword list.
 1999-05-12 07:32:47 +00:00
Thomas G. Lockhart f3fde99841 Augment info on string functions per Jose Soares' suggestions. 1999-01-19 16:11:18 +00:00
Thomas G. Lockhart a75f2d21a8 Clean up to ensure tag completion as required by the newest versions 
of Norm's Modular Style Sheets and jade/docbook.
From Vince Vielhaber <vev@michvhf.com>.
 1998-12-29 02:24:47 +00:00
Thomas G. Lockhart e9f10b22f4 Include new cidr and inet data types. 1998-10-27 06:14:41 +00:00
Thomas G. Lockhart ee92ab91ad Add some id tags to allow cross-references from the datatype chapter. 1998-10-14 16:28:31 +00:00
Thomas G. Lockhart bd6b6f40de Add missing information. 
Fix examples for regex operators.
 1998-07-29 06:32:47 +00:00
Thomas G. Lockhart ba3a99f193 Split function and operator User Guide info 
from datatype.sgml into separate files.
Add type conversion information.
Format historical release notes.
 1998-07-08 13:53:15 +00:00