38 lines
994 B
Plaintext
38 lines
994 B
Plaintext
<?php
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// $Id$
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/**
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* Implementation of hook_query_alter().
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*/
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function database_test_query_alter(SelectQuery $query) {
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if ($query->hasTag('database_test_alter_add_range')) {
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$query->range(0, 2);
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}
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if ($query->hasTag('database_test_alter_remove_range')) {
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$query->range();
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}
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if ($query->hasTag('database_test_alter_add_join')) {
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$people_alias = $query->join('test', 'people', "test_task.pid=people.id");
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$name_field = $query->addField('people', 'name', 'name');
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$query->condition($people_alias . '.id', 2);
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}
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if ($query->hasTag('database_test_alter_change_conditional')) {
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$conditions =& $query->conditions();
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$conditions[0]['value'] = 2;
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}
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if ($query->hasTag('database_test_alter_change_fields')) {
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$fields =& $query->getFields();
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unset($fields['age']);
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}
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if ($query->hasTag('database_test_alter_change_expressions')) {
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$expressions =& $query->getExpressions();
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$expressions['double_age']['expression'] = 'age*3';
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}
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}
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