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Update wikipage Advanced Queries. (Signed-off-by:bmeyer).

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git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@1933 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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2017-11-24 12:57:09 +00:00
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documentation/17.05/solutions/database-access/abel/tutorial/advanced-queries.wiki
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@@ -36,7 +36,7 @@ Note that for performance reasons it is usually better to use predefined criteri
===Agent Criteria=== ===Agent Criteria===
An agent criterion will filter the objects according to the result of an agent applied to them. An agent criterion will filter the objects according to the result of an agent applied to them.
The criterion is initialized with an agent of type <e>PREDICATE [ANY, TUPLE [ANY]]</e>. The criterion is initialized with an agent of type <e>PREDICATE [TUPLE [ANY]]</e>.
There should be either an open target or a single open argument, and the type of the objects in the query result should conform to the agent's open operand. There should be either an open target or a single open argument, and the type of the objects in the query result should conform to the agent's open operand.
==Creating criteria objects== ==Creating criteria objects==
@@ -57,7 +57,7 @@ feature -- Creating a criterion
-- containing either a single PREDICATE or three -- containing either a single PREDICATE or three
-- values of type [STRING, STRING, ANY]. -- values of type [STRING, STRING, ANY].
new_agent (a_predicate: PREDICATE [ANY, TUPLE [ANY]]): PS_CRITERION new_agent (a_predicate: PREDICATE [TUPLE [ANY]]): PS_CRITERION
-- Creates an agent criterion. -- Creates an agent criterion.
new_predefined (object_attribute: STRING; operator: STRING; value: ANY): PS_CRITERION new_predefined (object_attribute: STRING; operator: STRING; value: ANY): PS_CRITERION