Same name in other branches

1. 9 core/modules/views/src/Plugin/views/join/JoinPluginBase.php \Drupal\views\Plugin\views\join\JoinPluginBase::buildExtra()
2. 8.9.x core/modules/views/src/Plugin/views/join/JoinPluginBase.php \Drupal\views\Plugin\views\join\JoinPluginBase::buildExtra()
3. 10 core/modules/views/src/Plugin/views/join/JoinPluginBase.php \Drupal\views\Plugin\views\join\JoinPluginBase::buildExtra()

Builds a single extra condition.

Parameters

array $info: The extra information. See JoinPluginBase::$extra for details.

array $arguments: Array of query arguments.

array $table: The right table.

\Drupal\Core\Database\Query\SelectInterface $select_query: The current select query being built.

array $left: The left table.

Return value

string The extra condition

2 calls to JoinPluginBase::buildExtra()

FieldOrLanguageJoin::joinAddExtra in core/modules/views/src/Plugin/views/join/FieldOrLanguageJoin.php

Adds the extras to the join condition.

JoinPluginBase::joinAddExtra in core/modules/views/src/Plugin/views/join/JoinPluginBase.php

Adds the extras to the join condition.

File

core/modules/views/src/Plugin/views/join/JoinPluginBase.php, line 377

Class

JoinPluginBase

Represents a join and creates the SQL necessary to implement the join.

Namespace

Drupal\views\Plugin\views\join

Code

protected function buildExtra($info, &$arguments, $table, SelectInterface $select_query, $left) {
    // Do not require 'value' to be set; allow for field syntax instead.
    $info += [
        'value' => NULL,
    ];
    // Figure out the table name. Remember, only use aliases provided
    // if at all possible.
    $join_table = '';
    if (!array_key_exists('table', $info)) {
        $join_table = $table['alias'] . '.';
    }
    elseif (isset($info['table'])) {
        // If we're aware of a table alias for this table, use the table
        // alias instead of the table name.
        if (isset($left) && $left['table'] == $info['table']) {
            $join_table = $left['alias'] . '.';
        }
        else {
            $join_table = $info['table'] . '.';
        }
    }
    // Convert a single-valued array of values to the single-value case,
    // and transform from IN() notation to = notation
    if (is_array($info['value']) && count($info['value']) == 1) {
        $info['value'] = array_shift($info['value']);
    }
    if (is_array($info['value'])) {
        // We use an SA-CORE-2014-005 conformant placeholder for our array
        // of values. Also, note that the 'IN' operator is implicit.
        // @see https://www.drupal.org/node/2401615.
        $operator = !empty($info['operator']) ? $info['operator'] : 'IN';
        $placeholder = ':views_join_condition_' . $select_query->nextPlaceholder() . '[]';
        $placeholder_sql = "( {$placeholder} )";
    }
    else {
        // With a single value, the '=' operator is implicit.
        $operator = !empty($info['operator']) ? $info['operator'] : '=';
        $placeholder = $placeholder_sql = ':views_join_condition_' . $select_query->nextPlaceholder();
    }
    // Set 'field' as join table field if available or set 'left field' as
    // join table field is not set.
    if (isset($info['field'])) {
        $join_table_field = "{$join_table}{$info['field']}";
        // Allow the value to be set either with the 'value' element or
        // with 'left_field'.
        if (isset($info['left_field'])) {
            $placeholder_sql = "{$left['alias']}.{$info['left_field']}";
        }
        else {
            $arguments[$placeholder] = $info['value'];
        }
    }
    else {
        $join_table_field = "{$left['alias']}.{$info['left_field']}";
        $arguments[$placeholder] = $info['value'];
    }
    // Render out the SQL fragment with parameters.
    return "{$join_table_field} {$operator} {$placeholder_sql}";
}

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