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Database abstraction layer

Allow the use of different database servers using the same code base.

Code

includes/database/query.inc, line 461

<?php
public function __toString() {

  // Default fields are always placed first for consistency.
  $insert_fields = array_merge($this->defaultFields, $this->insertFields);

  // For simplicity, we will use the $placeholders array to inject
  // default keywords even though they are not, strictly speaking,
  // placeholders for prepared statements.
  $placeholders = array();
  $placeholders = array_pad($placeholders, count($this->defaultFields), 'default');
  $placeholders = array_pad($placeholders, count($this->insertFields), '?');

  return 'INSERT INTO {' . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES (' . implode(', ', $placeholders) . ')';
}
?>