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   to you under the Apache License, Version 2.0 (the
   "License"); you may not use this file except in compliance
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.. _`Interbase`: http://www.codegear.com/tabid/125/Default.aspx

Interbase
=========

DdlUtils supports `Interbase`_ version 7.0 and above.

Constraints
-----------

Platform identifier
  ``Interbase``

Recognized JDBC drivers
  ``interbase.interclient.Driver``

Recognized JDBC sub protocols
  ``jdbc:interbase``

Supports SQL comments
  yes

Supports delimited identifiers
  yes

Maximum identifier length
  31

Supports default values for ``LONG`` types
  yes

Supports non-unique indices
  yes

Supports non-primary key columns as identity columns
  yes

Allows ``INSERT``/``UPDATE`` statements to set values for identity columns
  yes

DdlUtils uses sequences for identity columns
  DdlUtils uses a ``GENERATOR``

DdlUtils can read back the auto-generated value of an identity column
  yes

DdlUtils can create a database via JDBC
  no

DdlUtils can drop a database via JDBC
  no

Datatypes
---------

+-----------------+--------------------------------+---------------------------------------------+
|JDBC Type        |Database Type                   |Additional comments                          |
+=================+================================+=============================================+
|``ARRAY``        |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``BIGINT``       |``NUMERIC(18,0)``               |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``BINARY``       |``BLOB``                        |We could use ``CHAR(n) CHARACTER SET OCTETS``|
|                 |                                |but the JDBC driver cannot handle these types|
|                 |                                |properly. Will be read back as               |
|                 |                                |``LONGVARBINARY``                            |
+-----------------+--------------------------------+---------------------------------------------+
|``BIT``          |``SMALLINT``                    |Interbase has no native boolean type.        |
|                 |                                |Will be read back as ``SMALLINT``            |
+-----------------+--------------------------------+---------------------------------------------+
|``BLOB``         |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``BOOLEAN``      |``SMALLINT``                    |Interbase has no native boolean type.        |
|                 |                                |Will be read back as ``SMALLINT``            |
+-----------------+--------------------------------+---------------------------------------------+
|``CHAR``         |``CHAR``                        |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``CLOB``         |``BLOB SUB_TYPE TEXT``          |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``DATALINK``     |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``DATE``         |``DATE``                        |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``DECIMAL``      |``DECIMAL``                     |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``DISTINCT``     |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``DOUBLE``       |``DOUBLE PRECISION``            |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``FLOAT``        |``DOUBLE PRECISION``            |Will be read back as ``DOUBLE``              |
+-----------------+--------------------------------+---------------------------------------------+
|``INTEGER``      |``INTEGER``                     |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``JAVA_OBJECT``  |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``LONGVARBINARY``|``BLOB``                        |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``LONGVARCHAR``  |``BLOB SUB_TYPE TEXT``          |Will be read back as ``CLOB``                |
+-----------------+--------------------------------+---------------------------------------------+
|``NULL``         |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``NUMERIC``      |``NUMERIC``                     |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``OTHER``        |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``REAL``         |``FLOAT``                       |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``REF``          |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``SMALLINT``     |``SMALLINT``                    |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``STRUCT``       |``BLOB``                        |Will be read back as ``LONGVARBINARY``       |
+-----------------+--------------------------------+---------------------------------------------+
|``TIME``         |``TIME``                        |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``TIMESTAMP``    |``TIMESTAMP``                   |                                             |
+-----------------+--------------------------------+---------------------------------------------+
|``TINYINT``      |``SMALLINT``                    |Will be read back as ``SMALLINT``            |
+-----------------+--------------------------------+---------------------------------------------+
|``VARBINARY``    |``BLOB``                        |We could use ``VARCHAR(n) CHARACTER SET      |
|                 |                                |OCTETS`` but the JDBC driver cannot handle   |
|                 |                                |these types properly. Will be read back as   |
|                 |                                |``LONGVARBINARY``                            |
+-----------------+--------------------------------+---------------------------------------------+
|``VARCHAR``      |``VARCHAR``                     |                                             |
+-----------------+--------------------------------+---------------------------------------------+