function Schema::createTableSql

Overrides Schema::createTableSql

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 89

Class

Schema

MySQL implementation of <a href="/api/drupal/core%21lib%21Drupal%21Core%21Database%21Schema.php/class/Schema/11.x" title="Provides a base implementation for Database Schema." class="local">\Drupal\Core\Database\Schema</a>.

Namespace

Code

protected function createTableSql($name, $table) {
    $info = $this->connection
        ->getConnectionOptions();
    // Provide defaults if needed.
    $table += [
        'mysql_engine' => 'InnoDB',
        'mysql_character_set' => 'utf8mb4',
    ];
    $sql = "CREATE TABLE {" . $name . "} (\n";
    // Add the SQL statement for each field.
    foreach ($table['fields'] as $field_name => $field) {
        $sql .= $this->createFieldSql($field_name, $this->processField($field)) . ", \n";
    }
    // Process keys & indexes.
    if (!empty($table['primary key']) && is_array($table['primary key'])) {
        $this->ensureNotNullPrimaryKey($table['primary key'], $table['fields']);
    }
    $keys = $this->createKeysSql($table);
    if (count($keys)) {
        $sql .= implode(", \n", $keys) . ", \n";
    }
    // Remove the last comma and space.
    $sql = substr($sql, 0, -3) . "\n) ";
    $sql .= 'ENGINE = ' . $table['mysql_engine'] . ' DEFAULT CHARACTER SET ' . $table['mysql_character_set'];
    // By default, MySQL uses the default collation for new tables, which is
    // 'utf8mb4_general_ci' (MySQL 5) or 'utf8mb4_0900_ai_ci' (MySQL 8) for
    // utf8mb4. If an alternate collation has been set, it needs to be
    // explicitly specified.
    // @see \Drupal\mysql\Driver\Database\mysql\Schema
    if (!empty($info['collation'])) {
        $sql .= ' COLLATE ' . $info['collation'];
    }
    // Add table comment.
    if (!empty($table['description'])) {
        $sql .= ' COMMENT ' . $this->prepareComment($table['description'], self::COMMENT_MAX_TABLE);
    }
    return [
        $sql,
    ];
}