Scout/Concepts/Sql Lookup Service
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A SQL lookup Service is a specific type of Lookup Service that works with a database.
A SQL lookup Service provide a way to implement a Lookup Service that is very efficient to configured, if the call is resolved with a database.
Instead of implementing the 4 methods (
getDataByRec(LookupCall call)), it is possible to defined the behavior of the lookup service with some configuration properties and events.
Defined with getConfiguredXxxxxx() methods.
Possibility to use some special tags:
Depending on the function that is called (by key, by text, by all, by rec) only the portion of the SQL query beetween the corresponding tag is keept.
getDataByKey(LookupCall call) is attached to the query as binding. Therefore all getters on the call, are available in the query.
SELECT language_id, name, NULL, NULL, NULL, NULL, NULL, 1, NULL, 1 FROM LANGUAGE <key>WHERE language_id = :key</key> <text>WHERE UPPER(name) LIKE UPPER('%'||:text||'%')</text>
Defined with execXxxxxx() methods.