db_type_map

• Drupal 6
• Drupal 7

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db_type_map()

This maps a generic data type in combination with its data size to the engine-specific data type.

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 445

<?php
function db_type_map() {
  // Put :normal last so it gets preserved by array_flip.  This makes
  // it much easier for modules (such as schema.module) to map
  // database types back into schema types.
  $map = array(
    'varchar:normal' => 'varchar',
    'char:normal' => 'character',

    'text:tiny' => 'text',
    'text:small' => 'text',
    'text:medium' => 'text',
    'text:big' => 'text',
    'text:normal' => 'text',

    'int:tiny' => 'smallint',
    'int:small' => 'smallint',
    'int:medium' => 'int',
    'int:big' => 'bigint',
    'int:normal' => 'int',

    'float:tiny' => 'real',
    'float:small' => 'real',
    'float:medium' => 'real',
    'float:big' => 'double precision',
    'float:normal' => 'real',

    'numeric:normal' => 'numeric',

    'blob:big' => 'bytea',
    'blob:normal' => 'bytea',

    'datetime:normal' => 'timestamp without time zone',

    'serial:tiny' => 'serial',
    'serial:small' => 'serial',
    'serial:medium' => 'serial',
    'serial:big' => 'bigserial',
    'serial:normal' => 'serial',
  );
  return $map;
}
?>

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