db_field_set_default

• Drupal 6
• Drupal 7

Versions

6

db_field_set_default(&$ret, $table, $field, $default)

7

db_field_set_default($table, $field, $default)

Set the default value for a field.

Parameters

$ret Array to which query results will be added.

$table The table to be altered.

$field The field to be altered.

$default Default value to be set. NULL for 'default NULL'.

Related topics

Schema API

A Drupal schema definition is an array structure representing one or more tables and their related keys and indexes. A schema is defined by hook_schema(), which usually lives in a modulename.install file.

Code

includes/database.pgsql.inc, line 729

<?php
function db_field_set_default(&$ret, $table, $field, $default) {
  if ($default == NULL) {
    $default = 'NULL';
  }
  else {
    $default = is_string($default) ? "'$default'" : $default;
  }

  $ret[] = update_sql('ALTER TABLE {'. $table .'} ALTER COLUMN '. $field .' SET DEFAULT '. $default);
}
?>

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