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<dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
<dd style="margin-left: 8.5em">Kouhei Sutou <kou****@clear*****></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
<dd style="margin-left: 8.5em">2013-06-12 14:59:36 +0900 (Wed, 12 Jun 2013)</dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
<dd style="margin-left: 8.5em"><a href="https://github.com/groonga/groonga/commit/3b6c1c672dadae252afb0db4a8f309aabc106742">3b6c1c672dadae252afb0db4a8f309aabc106742</a></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt>
<dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">doc: fix sub_filter() documentation
Arguments are wrong.
It seems that the documentation is derived from query().
TODO: Updating .po</pre></dd>
<dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
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<li><a href="https://github.com/groonga/groonga/commit/3b6c1c672dadae252afb0db4a8f309aabc106742#diff-0">doc/source/reference/functions/sub_filter.txt</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre"> Modified: doc/source/reference/functions/sub_filter.txt (+28 -17)</span>
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</th>
<td class="diff-content" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -11,18 +11,20 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">sub_filter</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Summary</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> -------</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``sub_filter`` evaluates ``query_string`` in ``match_column`` context.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``sub_filter`` evaluates ``filter_string`` in ``scope`` context.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``sub_filter`` can be used in only ``--filter`` in :doc:`/reference/commands/select`.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``sub_filter`` can be used in only ``--filter`` in</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+:doc:`/reference/commands/select`.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Syntax</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ------</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``sub_filter`` requires two arguments - ``match_column`` and ``query_string``.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``sub_filter`` requires two arguments. They are ``scope`` and</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``filter_string``.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ::</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- sub_filter(match_column, query_string)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+ sub_filter(scope, filter_string)</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Usage</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -72,7 +74,7 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">Here is the simple usage of ``sub_filter`` function which extracts the blog entr</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. include:: ../../example/reference/functions/sub_filter/usage_without_sub_filter.log</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. select Blog --output_columns _key --filter "comments.name @ \"A\" && comments.content @ \"groonga\""</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-When executing above query, not only "groonga's blog", but also "mroonga's blog".</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+When executing the above query, not only "groonga's blog", but also "mroonga's blog".</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> This is not what you want because user "A" does not mention "groonga" to "mroonga's blog".</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Without sub_filter, it means that following conditions are met.</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -84,10 +86,10 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">Without sub_filter, it means that following conditions are met.</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. include:: ../../example/reference/functions/sub_filter/usage_with_sub_filter.log</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> .. select Blog --output_columns _key --filter 'sub_filter(comments, "name @ \\"A\\" && content @ \\"groonga\\"")'</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-On the other hand, executing above query returns the intended result.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+On the other hand, executing the above query returns the intended result.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Because the arguments of sub_filter is evaluated in comments column's context.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-It means that sub_filter requires following condition is met.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+It means that sub_filter requires the following condition is met.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * There are the records that user "A" mentions about "groonga".</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -95,28 +97,37 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">It means that sub_filter requires following condition is met.</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Parameters</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ----------</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-There are two required parameter, ``match_column`` and ``query_string``.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+There are two required parameter, ``scope`` and ``filter_string``.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``match_column``</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-^^^^^^^^^^^^^^^^</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``scope``</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+^^^^^^^^^</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- It specifies ``match_column`` equivalent parameter.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+It specifies a column of the table that is specified by ``table``</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+parameter in ``select``. ``filter_string`` is evaluated in the column</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+context. It means that ``filter_string`` is evaluated like</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``select --table TYPE_OF_THE_COLUMN --filter FILTER_STRING``.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-See :ref:`select-match-columns` about match_column.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+The specified column type must be a table. In other words, the column</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+type must be reference type.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``query_string``</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-^^^^^^^^^^^^^^^^</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+See :ref:`select-table` about ``table`` parameter in ``select``.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">- It specifies ``query`` equivalent parameter.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``filter_string``</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+^^^^^^^^^^^^^^^^^</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-See :ref:`select-query` about query string.</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+It specifies a search condition in</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+:doc:`/reference/grn_expr/script_syntax`. It is evaluated in ``scope``</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+context.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> Return value</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> ------------</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-``sub_filter`` returns a value of boolean (true or false).</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+``sub_filter`` returns whther any record is matched or not. If one or</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+more records are matched, ``true`` is returned. Otherwise, ``false``</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+is returned.</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> See also</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> --------</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> * :doc:`/reference/commands/select`</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+* :doc:`/reference/grn_expr/script_syntax`</span>
</pre>
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