| verzia 1.44, 2004/02/09 12:29:59 |
verzia 1.45, 2004/04/01 10:40:00 |
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| <!-- $Platon: phpMyEdit/doc/sgml/configuration.fields.sgml,v 1.43 2004/01/21 16:26:56 nepto Exp $ --> |
<!-- $Platon: phpMyEdit/doc/sgml/configuration.fields.sgml,v 1.44 2004/02/09 12:29:59 nepto Exp $ --> |
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| <!-- Categories: |
<!-- Categories: |
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| Riadok 471 select box for user. Usage of <varname>[ |
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| Riadok 471 select box for user. Usage of <varname>[ |
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| <varname>['values']</> usage. |
<varname>['values']</> usage. |
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| </para> |
</para> |
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<bridgehead>Advanced joining</bridgehead> |
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<para> |
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Sometimes you want to restrict table joining on the output. This is important |
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in case where <varname>['values']['column']</varname> is not unique in |
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<varname>['values']['table']</varname>. For this purpose, you can use |
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<varname>$opts['fdd']['col_name']['values']['join']</> option. |
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</para> |
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<para> |
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These variables are available in this option. |
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<simplelist type="horiz" columns="2"> |
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<member> <varname>$main_table</varname></member> |
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<member> -- alias of the main table</member> |
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<member> <varname>$main_column</varname></member> |
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<member> -- join column in the main table</member> |
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<member> <varname>$join_table</varname></member> |
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<member> -- alias of the values table</member> |
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<member> <varname>$join_column</varname></member> |
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<member> -- join column in the values table</member> |
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<member> <varname>$join_description</varname></member> |
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<member> -- description column in the values table</member> |
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</simplelist> |
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</para> |
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<para> |
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&name; will create by default |
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<varname>$main_table.$main_column = $join_table.$join_column</varname> |
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join, what is sufficient the most cases. However you may extend it with |
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additional conditions as well. |
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<example><title>Table lookup with advanced joining</title> |
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<programlisting><![CDATA[ |
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$opts['fdd']['col_name']['values']['join'] |
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= '$main_table.$main_column = $join_table.$join_column AND ' |
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. '$main_table.another_col = $join_table.another_col' |
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]]></programlisting> |
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</example> |
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</para> |
| </sect1> |
</sect1> |
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| <sect1 id="configuration.output-control"> |
<sect1 id="configuration.output-control"> |
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