function Schema::createKeySql

Same name in this branch
  1. 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::createKeySql()
Same name in other branches
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::createKeySql()
  2. 9 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::createKeySql()
  3. 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::createKeySql()
  4. 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::createKeySql()
  5. 10 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::createKeySql()
  6. 10 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::createKeySql()

Build the SQL expression for keys.

2 calls to Schema::createKeySql()
Schema::createColumnsSql in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php
Build the SQL expression for creating columns.
Schema::createIndexSql in core/modules/sqlite/src/Driver/Database/sqlite/Schema.php
Build the SQL expression for indexes.

File

core/modules/sqlite/src/Driver/Database/sqlite/Schema.php, line 105

Class

Schema
SQLite implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\sqlite\Driver\Database\sqlite

Code

protected function createKeySql($fields) {
    $return = [];
    foreach ($fields as $field) {
        if (is_array($field)) {
            $return[] = '[' . $field[0] . ']';
        }
        else {
            $return[] = '[' . $field . ']';
        }
    }
    return implode(', ', $return);
}

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