schemas/_regproc.mysql.sql
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 08 Feb 2011 18:00:23 +0100
changeset 6951 cb6314b09e0f
parent 3928 2ced335a9b55
permissions -rw-r--r--
[schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
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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 ;;