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not return of mysql_affected_row when query had failed
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@40009 c90b9560-bf6c-de11-be94-00142212c4b1
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@ -61,6 +61,9 @@
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statements which modify records. To retrieve the number of rows
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returned from a SELECT, use <function>mysql_num_rows</function>.
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</para>
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<para>
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If the last query failed, this function will return -1.
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</para>
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</refsect1>
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</refentry>
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