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DOCS Known issue about collations
Moving from https://docs.silverstripe.org/en/4/getting_started/server_requirements/ since it's too much noise there. Also removing the maintainer contact, that's an outdated concept.
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README.md
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[![Build Status](https://travis-ci.org/silverstripe/silverstripe-postgresql.png?branch=master)](https://travis-ci.org/silverstripe/silverstripe-postgresql)
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[![Build Status](https://travis-ci.org/silverstripe/silverstripe-postgresql.png?branch=master)](https://travis-ci.org/silverstripe/silverstripe-postgresql)
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[![SilverStripe supported module](https://img.shields.io/badge/silverstripe-supported-0071C4.svg)](https://www.silverstripe.org/software/addons/silverstripe-commercially-supported-module-list/)
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[![SilverStripe supported module](https://img.shields.io/badge/silverstripe-supported-0071C4.svg)](https://www.silverstripe.org/software/addons/silverstripe-commercially-supported-module-list/)
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## Maintainer Contact
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* Sam Minnee (Nickname: sminnee) <sam@silverstripe.com>
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## Requirements
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## Requirements
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* SilverStripe 4.0
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* SilverStripe 4.0
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* PostgreSQL 8.3.x or greater must be installed
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* PostgreSQL 8.3.x or greater must be installed
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* PostgreSQL <8.3.0 may work if T-Search is manually installed
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* PostgreSQL <8.3.0 may work if T-Search is manually installed
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* Known to work on OS X Leopard, Windows Server 2008 R2 and Linux
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## Installation
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## Installation
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@ -30,6 +25,12 @@ See docs/en for more information about configuring the module.
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All column and table names must be double-quoted. PostgreSQL automatically
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All column and table names must be double-quoted. PostgreSQL automatically
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lower-cases columns, and your queries will fail if you don't.
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lower-cases columns, and your queries will fail if you don't.
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Collations have known issues when installed on Alpine, MacOS X and BSD derivatives
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(see [PostgreSQL FAQ](https://wiki.postgresql.org/wiki/FAQ#Why_do_my_strings_sort_incorrectly.3F)).
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We do not support such installations, although they still may work correctly for you.
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As a workaround for PostgreSQL 10+ you could manually switch to ICU collations (e.g. und-x-icu).
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There are no known workarounds for PostgreSQL <10.
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Ts_vector columns are not automatically detected by the built-in search
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Ts_vector columns are not automatically detected by the built-in search
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filters. That means if you're doing a search through the CMS on a ModelAdmin
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filters. That means if you're doing a search through the CMS on a ModelAdmin
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object, it will use LIKE queries which are very slow. If you're writing your
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object, it will use LIKE queries which are very slow. If you're writing your
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