function Schema::createKeySql

Build the SQL expression for keys.

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

File

core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php, line 111

Class

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

Namespace

Drupal\Core\Database\Driver\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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