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<?php
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/**
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* @file
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* Definition of views_handler_sort_ncs_last_comment_name.
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*/
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/**
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* Sort by last comment name, which might be in two different fields.
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*
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* @ingroup views_sort_handlers
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*/
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class views_handler_sort_ncs_last_comment_name extends views_handler_sort {
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/**
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* {@inheritdoc}
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*/
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public function query() {
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$this->ensure_my_table();
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$join = new views_join();
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$join->construct('users', $this->table_alias, 'last_comment_uid', 'uid');
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// @todo This might be safer if we had an ensure_relationship rather than
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// guessing the table alias. Though if we did that we'd be guessing the
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// relationship name so that doesn't matter that much.
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// $this->user_table = $this->query
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// ->add_relationship(NULL, $join, 'users', $this->relationship);
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$this->user_table = $this->query->ensure_table('ncs_users', $this->relationship, $join);
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$this->user_field = $this->query->add_field($this->user_table, 'name');
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// Add the field.
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$this->query->add_orderby(NULL, "LOWER(COALESCE($this->user_table.name, $this->table_alias.$this->field))", $this->options['order'], $this->table_alias . '_' . $this->field);
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}
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}
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