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doctrine2/manual/docs/Object relational mapping - Indexes - Adding indexes.php

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<?php ?>
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You can add indexes by simple calling Doctrine_Record::index('indexName', $definition) where $definition is the
definition array.
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<br \><br \>
An example of adding a simple index to field called 'name':
<br \><br \>
<?php
renderCode("<?php
class IndexTest extends Doctrine_Record
{
public function setTableDefinition()
{
\$this->hasColumn('name', 'string');
}
public function setUp()
{
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\$this->index('myindex', array('fields' => 'name');
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}
}
?>");
?>
<br \><br \>
An example of adding a multi-column index to field called 'name':
<br \><br \>
<?php
renderCode("<?php
class MultiColumnIndexTest extends Doctrine_Record
{
public function setTableDefinition()
{
\$this->hasColumn('name', 'string');
\$this->hasColumn('code', 'string');
}
public function setUp()
{
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\$this->index('myindex', array('fields' => array('name', 'code')));
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}
}
?>");
?>
<br \><br \>
An example of adding a multiple indexes on same table:
<br \><br \>
<?php
renderCode("<?php
class MultipleIndexTest extends Doctrine_Record
{
public function setTableDefinition()
{
\$this->hasColumn('name', 'string');
\$this->hasColumn('code', 'string');
\$this->hasColumn('age', 'integer');
}
public function setUp()
{
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\$this->index('myindex', array('fields' => array('name', 'code')));
\$this->index('ageindex', array('fields' => array('age'));
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}
}
?>");
?>