schemas/_regproc.mysql.sql
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 21 Jun 2011 10:57:25 +0200
changeset 7543 570522300e22
parent 3928 2ced335a9b55
permissions -rw-r--r--
[ms, entity metas] add 'actual source' to entities table / base entity metadata cache. Closes #1767090 this is needed since for entities from 'copy based sources' such as datafeed, we want entity.cw_metainformation() to return as 'source' the datafeed source, not the system source (ie the source where the entity is actually stored). For both performance and bootstraping reasons, we should store this information in the `entities` table and in the _type_source cache.
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/* -*- sql -*- 
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   mysql specific registered procedures, 
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*/
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/* XXX limit_size version dealing with format as postgres version does.
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   XXX mysql doesn't support overloading, each function should have a different name
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   NOTE: fulltext renamed since it cause a mysql name conflict
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 */
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CREATE FUNCTION text_limit_size(vfulltext TEXT, maxsize INT)
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RETURNS TEXT
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NO SQL
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BEGIN
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    IF LENGTH(vfulltext) < maxsize THEN
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       RETURN vfulltext;
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    ELSE
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       RETURN SUBSTRING(vfulltext from 1 for maxsize) || '...';
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    END IF;
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END ;;