protected function DatabaseSchema_sqlsrv::createFieldSql in Drupal driver for SQL Server and SQL Azure 7.3

Same name and namespace in other branches

1. 7 sqlsrv/schema.inc \DatabaseSchema_sqlsrv::createFieldSql()
2. 7.2 sqlsrv/schema.inc \DatabaseSchema_sqlsrv::createFieldSql()

Create an SQL string for a field to be used in table creation or alteration.

Before passing a field out of a schema definition into this function it has to be processed by _db_process_field().

Parameters

$table: The name of the table.

$name: Name of the field.

$spec: The field specification, as per the schema data structure format.

3 calls to DatabaseSchema_sqlsrv::createFieldSql()

DatabaseSchema_sqlsrv::addField in sqlsrv/schema.inc

Override DatabaseSchema::addField().

DatabaseSchema_sqlsrv::changeField in sqlsrv/schema.inc

Override DatabaseSchema::changeField().

DatabaseSchema_sqlsrv::createTableSql in sqlsrv/schema.inc

Generate SQL to create a new table from a Drupal schema definition.

File

sqlsrv/schema.inc, line 684

Database schema code for Microsoft SQL Server database servers.

Class

DatabaseSchema_sqlsrv

Code

protected function createFieldSql($table, $name, $spec, $skip_checks = FALSE) {
  $sql = $this->connection
    ->quoteIdentifier($name) . ' ' . $spec['sqlsrv_type_full'];

  // When binary is true, case sensitivity is requested.
  if (isset($spec['sqlsrv_collation'])) {
    $sql .= ' COLLATE ' . $spec['sqlsrv_collation'];
  }
  if (isset($spec['not null']) && $spec['not null'] == TRUE) {
    $sql .= ' NOT NULL';
  }
  if (!$skip_checks) {
    if (isset($spec['default'])) {

      // Use a prefixed table.
      $table_prefixed = $this->connection
        ->prefixTables('{' . $table . '}');
      $default = $this
        ->defaultValueExpression($spec['sqlsrv_type'], $spec['default']);
      $sql .= " CONSTRAINT {$table_prefixed}_{$name}_df DEFAULT  {$default}";
    }
    if (!empty($spec['identity'])) {
      $sql .= ' IDENTITY';
    }
    if (!empty($spec['unsigned'])) {
      $sql .= ' CHECK (' . $this->connection
        ->quoteIdentifier($name) . ' >= 0)';
    }
  }
  return $sql;
}