schemas/_regproc.mysql.sql
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Tue, 01 Jul 2014 16:55:49 +0200
changeset 10351 91e63306e277
parent 3928 2ced335a9b55
permissions -rw-r--r--
[connection] replace .running_dbapi_query with .hooks_in_progress The thing was badly named. It tries to help distinguish between queries issued directly by the programmer (e.g in the views: cnx.execute(...)) from queries issued from the hooks, operations ... or even the repository or the native source objects. It worked heuristically being associated with the security being disabled. We provide a better name and an implementation distinct from the security management methods. Related to #3933480.
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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 ;;