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README.txt @ 1844

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Rev	Line
[1841]	1	quintagroup.catalogupdater
	2	==========================
[1739]	3
[1841]	4	quintagroup.catalogupdater package is intended for extending ZCatalog API
	5	with possiblity to update selected columns only. This package registers
	6	'catalog_updater' utility for that.
[1739]	7
[1842]	8	To simplify usage of the utility, quintagroup.catalogupdater extends GenericSetup's
	9	ZCatalog XMLAdapter handler, which allows to update attribute usage in column
	10	tag of catalog.xml file.
[1763]	11
[1800]	12	So, when you add a new column to the catalog, you add catalog.xml file
[1841]	13	in some profile with following part::
[1763]	14
[1843]	15	...
	16	<column value="new_column" />
	17	...
[1763]	18
[1800]	19	This adds new_column metadata to the portal_catalog, BUT, this
	20	metadata will be empty untill you rebuild the catalog. To automate
	21	this step you can add 'update="True"' attribute to the tag. And this
	22	will lead to column update after adding. Thus, result usage should look
[1841]	23	like this::
[1763]	24
[1843]	25	...
	26	<column value="new_column" update="True" />
	27	...
[1766]	28
[1841]	29	It also supports subtransactions, based on threshold property of ZCatalog.
	30
	31	Installation
	32	------------
	33
[1844]	34	See docs/INSTALL.txt file within product package for instructions.
[1841]	35
	36	Requirements
	37	------------
	38
	39	* Plone 3.x
	40
	41	Author
	42	------
	43
	44	* Andriy Mylenkyi
	45
[1844]	46
	47	Copyright (c) "Quintagroup": http://quintagroup.com, 2004 - 2010

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