.. Licensed to the Apache Software Foundation (ASF) under one | |
or more contributor license agreements. See the NOTICE file | |
distributed with this work for additional information | |
regarding copyright ownership. The ASF licenses this file | |
to you under the Apache License, Version 2.0 (the | |
"License"); you may not use this file except in compliance | |
with the License. You may obtain a copy of the License at | |
http://www.apache.org/licenses/LICENSE-2.0 | |
Unless required by applicable law or agreed to in writing, | |
software distributed under the License is distributed on an | |
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
KIND, either express or implied. See the License for the | |
specific language governing permissions and limitations | |
under the License. | |
.. _`Firebird`: http://www.firebirdsql.org/ | |
Firebird | |
======== | |
DdlUtils supports `Firebird`_, version 1 and above. | |
Constraints | |
----------- | |
Platform identifier | |
``Firebird`` | |
Recognized JDBC drivers | |
``org.firebirdsql.jdbc.FBDriver`` | |
Recognized JDBC sub protocols | |
``jdbc:firebirdsql`` | |
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 | |
yes | |
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`` |``BIGINT`` | | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``BINARY`` |``BLOB`` |Will be read back as ``LONGVARBINARY`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``BIT`` |``SMALLINT`` |Firebird has no native boolean type. | | |
| | |Will be read back as ``SMALLINT`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``BLOB`` |``BLOB`` |Will be read back as ``LONGVARBINARY`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``BOOLEAN`` |``SMALLINT`` |Firebird has no native boolean type. | | |
| | |Will be read back as ``SMALLINT`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``CHAR`` |``CHAR`` | | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``CLOB`` |``BLOB SUB_TYPE TEXT`` |Will be read back as ``LONGVARCHAR`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``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`` | | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``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`` |Will be read back as ``LONGVARBINARY`` | | |
+-----------------+--------------------------------+---------------------------------------------+ | |
|``VARCHAR`` |``VARCHAR`` | | | |
+-----------------+--------------------------------+---------------------------------------------+ |