changeset 0:532c239ad044 default tip

Initial commit
author Cédric Krier <ced@b2ck.com>
date Thu, 08 Oct 2015 15:26:41 +0200
parents
children
files COPYRIGHT LICENSE MANIFEST.in README oracle/__init__.py oracle/database.py oracle/fields.py oracle/init.sql oracle/table.py setup.py table.conf
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/COPYRIGHT	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,15 @@
+Copyright (C) 2015 C├ędric Krier.
+Copyright (C) 2015 B2CK SPRL.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LICENSE	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MANIFEST.in	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,6 @@
+include LICENSE
+include COPYRIGHT
+include CHANGELOG
+include README
+include table.conf
+include oracle/init.sql
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,30 @@
+Oracle backend for Tryton
+=========================
+
+It defines a backend to use Tryton with Oracle database by using cx_Oracle.
+
+Configuration
+-------------
+
+The database uri must start with: oracle://
+
+Most of the tables must be renamed with a shorter name because Oracle has a
+length limitation of 30 on the table names. See `table.conf`.
+
+Drawbacks
+---------
+
+* The user interface can not be used to create or drop the database.
+
+* The database list contains only the one defined in the environment variable
+  `ORACLE_SID`.
+
+* Many indexes can not be created because the total size is limited to 6398.
+
+* 1 and 0 are used to store boolean values.
+
+* A VARCHAR(4000) is used for Char, Selection, Reference.
+
+* Oracle version should be 11g or later.
+
+* The error message for integrity are not supported.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oracle/__init__.py	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,6 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from .database import *
+from .table import *
+import fields
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oracle/database.py	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,312 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import logging
+import urllib
+import os
+import datetime
+from decimal import Decimal
+
+import cx_Oracle
+
+from sql import Flavor, format2numeric
+from sql.functions import Function, FunctionNotCallable
+from sql.functions import Extract, Now, Position, Substring
+
+from trytond.backend.database import DatabaseInterface, CursorInterface
+from trytond.config import config, parse_uri
+
+__all__ = ['Database', 'DatabaseIntegrityError', 'DatabaseOperationalError',
+    'Cursor']
+logger = logging.getLogger(__name__)
+
+DatabaseIntegrityError = cx_Oracle.IntegrityError
+DatabaseOperationalError = cx_Oracle.OperationalError
+
+
+class OracleExtract(Extract):
+    __slots__ = ()
+
+    def __str__(self):
+        if self.args[0] == 'EPOCH':
+            return ("ROUND(((TRUNC(%s, 'MI') "
+                "- DATE '1970-01-01') * 24 * 60 * 60) "
+                "+ EXTRACT(SECOND FROM %s), 5)"
+                % (self.args[1], self.args[1]))
+        return super(OracleExtract, self).__str__()
+
+    @property
+    def params(self):
+        params = super(OracleExtract, self).params
+        if self.args[0] == 'EPOCH':
+            params = params[2:]
+            first_params = self.args[1].params
+            if first_params:
+                for _ in range(2):
+                    params = first_params + params
+        return params
+
+
+class OracleNow(FunctionNotCallable):
+    __slots__ = ()
+    _function = 'CURRENT_TIMESTAMP'
+
+
+class OraclePosition(Function):
+    __slots__ = ()
+    _function = 'INSTR'
+
+    def __init__(self, *args, **kwargs):
+        super(OraclePosition, self).__init__(*args, **kwargs)
+        self.args = reversed(self.args)
+
+
+class OracleSubstring(Function):
+    __slots__ = ()
+    _function = 'SUBSTR'
+
+MAPPING = {
+    Extract: OracleExtract,
+    Now: OracleNow,
+    Position: OraclePosition,
+    Substring: OracleSubstring,
+    }
+
+
+class Database(DatabaseInterface):
+
+    flavor = Flavor(limitstyle='rownum', no_as=True, no_boolean=True,
+        function_mapping=MAPPING)
+
+    def connect(self):
+        return self
+
+    def cursor(self, autocommit=False, readonly=False):
+        uri = parse_uri(config.get('database', 'uri'))
+        assert uri.scheme == 'oracle'
+        host = uri.hostname or 'localhost'
+        port = uri.port or 1521
+        dsn = cx_Oracle.makedsn(host, port, self.database_name)
+        connection = cx_Oracle.connect(
+            uri.username, urllib.unquote_plus(uri.password), dsn,
+            threaded=True)
+        connection.outputtypehandler = output_type_handler
+        connection.autocommit = autocommit
+        cursor = Cursor(connection, self.database_name)
+        cursor.execute("ALTER SESSION SET TIME_ZONE = 'UTC'")
+        if readonly:
+            cursor.execute('SET TRANSACTION READ ONLY')
+        else:
+            # Oracle READ COMMITTED has all attributes required
+            # for REPEATABLE READ
+            cursor.execute('SET TRANSACTION ISOLATION LEVEL READ COMMITTED')
+        return cursor
+
+    def close(self):
+        pass
+
+    @staticmethod
+    def create(cursor, database_name):
+        pass  # For running tests
+
+    @staticmethod
+    def drop(cursor, database_name):
+        pass  # For running tests
+
+    @staticmethod
+    def list(cursor):
+        result = []
+        name = os.environ.get('ORACLE_SID')
+        if name:
+            try:
+                database = Database(name).connect()
+            except Exception:
+                pass
+            else:
+                cursor2 = database.cursor()
+                if cursor2.test():
+                    result.append(name)
+                    cursor2.close(close=True)
+                else:
+                    cursor2.close(close=True)
+                    database.close()
+        return result
+
+    @staticmethod
+    def init(cursor):
+        from trytond.modules import get_module_info
+        sql_file = os.path.join(os.path.dirname(__file__), 'init.sql')
+        with open(sql_file) as fp:
+            query = ''
+            for line in fp:
+                if not line or line.isspace():
+                    if query:
+                        cursor.execute(query.strip().strip(';'))
+                        query = ''
+                else:
+                    query += line
+
+        for module in ('ir', 'res', 'webdav'):
+            state = 'uninstalled'
+            if module in ('ir', 'res'):
+                state = 'to install'
+            info = get_module_info(module)
+            cursor.execute('SELECT "ir_module_id_seq".NEXTVAL FROM DUAL')
+            module_id = cursor.fetchone()[0]
+            cursor.execute('INSERT INTO "ir_module" '
+                '("id", "create_uid", "create_date", "name", "state") '
+                'VALUES (%s, %s, CURRENT_TIMESTAMP, %s, %s)',
+                (module_id, 0, module, state))
+            for dependency in info.get('depends', []):
+                cursor.execute(
+                    'SELECT "ir_module_dependency_id_seq".NEXTVAL FROM DUAL')
+                dep_id = cursor.fetchone()[0]
+                cursor.execute('INSERT INTO "ir_module_dependency" '
+                    '("id", "create_uid", "create_date", "module", "name") '
+                    'VALUES (%s, %s, CURRENT_TIMESTAMP, %s, %s)',
+                    (dep_id, 0, module_id, dependency))
+
+
+class Cursor(CursorInterface):
+
+    def __init__(self, conn, database_name):
+        super(Cursor, self).__init__()
+        self._conn = conn
+        self.database_name = self.dbname = database_name
+        self.cursor = conn.cursor()
+
+    def __getattr__(self, name):
+        return getattr(self.cursor, name)
+
+    def execute(self, sql, params=None):
+        def format(param):
+            if param is True or param is False:
+                return int(param)
+            elif isinstance(param, bytearray if bytes == str else bytes):
+                blobvar = self.cursor.var(cx_Oracle.BLOB)
+                blobvar.setvalue(0, bytes(param))
+                return blobvar
+            else:
+                return param
+
+        def inputsizes(param):
+            if (isinstance(param, datetime.datetime)
+                    and param.time() != datetime.time()):
+                return cx_Oracle.TIMESTAMP
+            elif isinstance(param, bytearray if bytes == str else bytes):
+                return cx_Oracle.BLOB
+            else:
+                return None
+
+        if params:
+            params = tuple(format(p) for p in params)
+            sql, params = format2numeric(sql, params)
+            self.cursor.prepare(sql)
+            self.cursor.setinputsizes(*(inputsizes(p) for p in params))
+            return self.cursor.execute(None, params)
+        else:
+            return self.cursor.execute(sql)
+
+    def fetchone(self):
+        row = self.cursor.fetchone()
+        if row:
+            row = tuple(c.read() if isinstance(c, cx_Oracle.LOB) else c
+                for c in row)
+        return row
+
+    def fetchall(self):
+        l = []
+        while True:
+            row = self.fetchone()
+            if row is None:
+                break
+            l.append(row)
+        return l
+
+    def fetchmany(self, size=None):
+        if size is None:
+            return self.fetchall()
+        l = []
+        for i in xrange(size):
+            row = self.fetchone()
+            if row is None:
+                break
+            l.append(row)
+        return l
+
+    def close(self, close=False):
+        self.cursor.close()
+        self.rollback()
+        self._conn.close()
+
+    def commit(self):
+        super(Cursor, self).commit()
+        self._conn.commit()
+
+    def rollback(self):
+        super(Cursor, self).rollback()
+        self._conn.rollback()
+
+    def test(self):
+        self.cursor.execute('SELECT table_name '
+            'FROM USER_TABLES '
+            'WHERE table_name IN ('
+                "'ir_model', "
+                "'ir_model_field', "
+                "'ir_ui_view', "
+                "'ir_ui_menu', "
+                "'res_user', "
+                "'res_group', "
+                "'ir_module', "
+                "'ir_module_dep', "
+                "'ir_translation', "
+                "'ir_lang'"
+                ")")
+        return len(self.cursor.fetchall()) != 0
+
+    def nextid(self, table):
+        self.cursor.execute('SELECT "' + table + '_id_seq".NEXTVAL FROM DUAL')
+        return self.cursor.fetchone()[0]
+
+    def setnextid(self, table, value):
+        name = table + '_id_seq'
+        self.cursor.execute('DROP SEQUENCE "%s"' % name)
+        self.cursor.execute('CREATE SEQUENCE "%s" START WITH %d NOCACHE'
+            % (name, value))
+
+    def currid(self, table):
+        self.cursor.execute('SELECT LAST_NUMBER FROM USER_SEQUENCES '
+            'WHERE SEQUENCE_NAME = :0', (table + '_id_seq',))
+        return self.cursor.fetchone()[0]
+
+    def lock(self, table):
+        self.cursor.execute('LOCK "%s" IN EXCLUSIVE MODE NOWAIT' % table)
+
+    def has_constraint(self):
+        return True
+
+    def has_returning(self):
+        return False
+
+    @property
+    def rowcount(self):
+        #  cx_Oracle returns the number of rows that have currently been
+        #  fetched instead of the number of rows produced.
+        return -1
+
+
+def _detect_decimal(value):
+    if '.' in value:
+        return Decimal(value)
+    else:
+        return int(value)
+
+
+def output_type_handler(cursor, name, defaultType, size, precision, scale):
+    if defaultType in (cx_Oracle.STRING, cx_Oracle.FIXED_CHAR):
+        return cursor.var(unicode, size, cursor.arraysize)
+    elif defaultType == cx_Oracle.NUMBER and precision and scale > 0:
+        return cursor.var(cx_Oracle.STRING, 255, cursor.arraysize,
+            outconverter=Decimal)
+    elif defaultType == cx_Oracle.NUMBER and not precision and scale <= 0:
+        return cursor.var(cx_Oracle.STRING, 255, cursor.arraysize,
+            outconverter=_detect_decimal)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oracle/fields.py	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,199 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import datetime
+from functools import wraps
+
+from ... import backend
+from trytond.model.fields import *
+
+
+def char_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            if getattr(self, 'size', None):
+                return SQLType('VARCHAR(4000)', 'VARCHAR(%s)' % self.size)
+            return SQLType('VARCHAR(4000)', 'VARCHAR(4000)')
+        return func(self)
+    return wrapper
+Char.sql_type = char_sql_type(Char.sql_type)
+Selection.sql_type = char_sql_type(Selection.sql_type)
+Reference.sql_type = char_sql_type(Reference.sql_type)
+
+
+def text_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('CLOB', 'CLOB')
+        return func(self)
+    return wrapper
+Text.sql_type = text_sql_type(Text.sql_type)
+Dict.sql_type = text_sql_type(Dict.sql_type)
+
+
+def float_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('BINARY_FLOAT', 'BINARY_FLOAT')
+        return func(self)
+    return wrapper
+Float.sql_type = float_sql_type(Float.sql_type)
+
+
+def number_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('NUMBER', 'NUMBER')
+        return func(self)
+    return wrapper
+Integer.sql_type = number_sql_type(Integer.sql_type)
+BigInteger.sql_type = number_sql_type(BigInteger.sql_type)
+Numeric.sql_type = number_sql_type(Numeric.sql_type)
+Many2One.sql_type = number_sql_type(Many2One.sql_type)
+
+
+def date_get(func):
+    def wrapper(cls, ids, model, name, values):
+        db_type = backend.name()
+        if db_type != 'oracle' and func:
+            return func(cls, ids, model, name, values)
+        else:
+            result = {}
+            for row in values:
+                value = row[name]
+                if db_type == 'oracle' and value:
+                    value = value.date()
+                result[row['id']] = value
+            return result
+    if func:
+        wrapper = wraps(func)(wrapper)
+    return wrapper
+Date.get = date_get(getattr(Date, 'get', None))
+
+
+def datetime_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('TIMESTAMP(0)', 'TIMESTAMP(0)')
+        return func(self)
+    return wrapper
+DateTime.sql_type = datetime_sql_type(DateTime.sql_type)
+
+
+def timestamp_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('TIMESTAMP(6)', 'TIMESTAMP(6)')
+        return func(self)
+    return wrapper
+Timestamp.sql_type = timestamp_sql_type(Timestamp.sql_type)
+
+
+def time_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('INTERVAL DAY(1) TO SECOND(9)',
+                'INTERVAL DAY(1) TO SECOND(9)')
+        return func(self)
+    return wrapper
+Time.sql_type = time_sql_type(Time.sql_type)
+
+
+def time_sql_format(func):
+    @wraps(func)
+    def wrapper(value):
+        value = func(value)
+
+        db_type = backend.name()
+        if db_type == 'oracle' and value:
+            return datetime.timedelta(seconds=
+                (value.hour * 60 * 60)
+                + (value.minute * 60)
+                + value.second)
+        return value
+    return wrapper
+Time.sql_format = staticmethod(time_sql_format(Time.sql_format))
+
+
+def time_get(func):
+    def wrapper(cls, ids, model, name, values):
+        db_type = backend.name()
+        if db_type != 'oracle' and func:
+            return func(cls, ids, model, name, values)
+        else:
+            result = {}
+            for row in values:
+                value = row[name]
+                if db_type == 'oracle' and value:
+                    value = value.total_seconds()
+                    hour, value = divmod(value, (60 * 60))
+                    minute, second = divmod(value, 60)
+                    value = datetime.time(int(hour), int(minute), int(second))
+                result[row['id']] = value
+            return result
+    if func:
+        wrapper = wraps(func)(wrapper)
+    return wrapper
+Time.get = time_get(getattr(Time, 'get', None))
+
+
+def timedelta_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('INTERVAL DAY(9) TO SECOND(9)',
+                'INTERVAL DAY(9) TO SECOND(9)')
+        return func(self)
+    return wrapper
+TimeDelta.sql_type = timedelta_sql_type(TimeDelta.sql_type)
+
+
+def boolean_sql_type(func):
+    @wraps(func)
+    def wrapper(self):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            return SQLType('NUMBER', 'NUMBER')
+        return func(self)
+    return wrapper
+Boolean.sql_type = boolean_sql_type(Boolean.sql_type)
+
+
+def boolean_sql_format(func):
+    @wraps(func)
+    def wrapper(value):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            if value is None:
+                return value
+            return int(value)
+        return func(value)
+    return wrapper
+Boolean.sql_format = staticmethod(boolean_sql_format(Boolean.sql_format))
+
+
+def binary_sql_format(func):
+    @wraps(func)
+    def wrapper(value):
+        db_type = backend.name()
+        if db_type == 'oracle':
+            if value is None:
+                return value
+            return Binary.cast(value)
+        return func(value)
+    return wrapper
+Binary.sql_format = staticmethod(binary_sql_format(Binary.sql_format))
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oracle/init.sql	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,246 @@
+CREATE SEQUENCE "ir_configuration_id_seq" NOCACHE;
+
+CREATE TABLE "ir_configuration" (
+    "id" INTEGER NOT NULL,
+    "language" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_configuration_id_trg"
+BEFORE INSERT ON "ir_configuration"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_configuration_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_model_id_seq" NOCACHE;
+
+CREATE TABLE "ir_model" (
+    "id" INTEGER NOT NULL,
+    "model" VARCHAR(4000) NOT NULL,
+    "name" VARCHAR(4000),
+    "info" VARCHAR(4000),
+    "module" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_model_id_trg"
+BEFORE INSERT ON "ir_model"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_model_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_model_field_id_seq" NOCACHE;
+
+CREATE TABLE "ir_model_field" (
+    "id" INTEGER NOT NULL,
+    "model" INTEGER,
+    "name" VARCHAR(4000) NOT NULL,
+    "relation" VARCHAR(4000),
+    "field_description" VARCHAR(4000),
+    "ttype" VARCHAR(4000),
+    "help" VARCHAR(4000),
+    "module" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_model_field_id_trg"
+BEFORE INSERT ON "ir_model_field"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_model_field_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_ui_view_id_seq" NOCACHE;
+
+CREATE TABLE "ir_ui_view" (
+    "id" INTEGER NOT NULL,
+    "model" VARCHAR(4000) NOT NULL,
+    "type" VARCHAR(4000),
+    "data" VARCHAR(4000) NOT NULL,
+    "field_childs" VARCHAR(4000),
+    "priority" INTEGER NOT NULL,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_ui_view_id_trg"
+BEFORE INSERT ON "ir_ui_view"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_ui_view_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_ui_menu_id_seq" NOCACHE;
+
+CREATE TABLE "ir_ui_menu" (
+    "id" INTEGER NOT NULL,
+    "parent" INTEGER,
+    "name" VARCHAR(4000) NOT NULL,
+    "icon" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_ui_menu_id_trg"
+BEFORE INSERT ON "ir_ui_menu"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_ui_menu_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_translation_id_seq" NOCACHE;
+
+CREATE TABLE "ir_translation" (
+    "id" INTEGER NOT NULL,
+    "lang" VARCHAR(4000),
+    "src" VARCHAR(4000),
+    "src_md5" VARCHAR(32) NOT NULL,
+    "name" VARCHAR(4000) NOT NULL,
+    "res_id" INTEGER,
+    "value" VARCHAR(4000),
+    "type" VARCHAR(4000),
+    "module" VARCHAR(4000),
+    "fuzzy" NUMBER NOT NULL,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_translation_id_trg"
+BEFORE INSERT ON "ir_translation"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_translation_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_lang_id_seq" NOCACHE;
+
+CREATE TABLE "ir_lang" (
+    "id" INTEGER NOT NULL,
+    "name" VARCHAR(4000) NOT NULL,
+    "code" VARCHAR(4000) NOT NULL,
+    "translatable" NUMBER NOT NULL,
+    "active" NUMBER NOT NULL,
+    "direction" VARCHAR(4000) NOT NULL,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_lang_id_trg"
+BEFORE INSERT ON "ir_lang"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_lang_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "res_user_id_seq" NOCACHE;
+
+CREATE TABLE "res_user" (
+    "id" INTEGER NOT NULL,
+    "name" VARCHAR(4000) NOT NULL,
+    "active" NUMBER NOT NULL,
+    "login" VARCHAR(4000) NOT NULL,
+    "password" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "res_user_id_trg"
+BEFORE INSERT ON "res_user"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "res_user_id_seq".NEXTVAL;
+    END;
+;
+
+INSERT INTO "res_user" ("id", "login", "password", "name", "active") VALUES (0, 'root', NULL, 'Root', 0);
+
+CREATE SEQUENCE "res_group_id_seq" NOCACHE;
+
+CREATE TABLE "res_group" (
+    "id" INTEGER NOT NULL,
+    "name" VARCHAR(4000) NOT NULL,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "res_group_id_trg"
+BEFORE INSERT ON "res_group"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "res_group_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "res_user-res_group_id_seq" NOCACHE;
+
+CREATE TABLE "res_user-res_group" (
+    "id" INTEGER NOT NULL,
+    "user" INTEGER NOT NULL,
+    "group" INTEGER NOT NULL,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "res_user-res_group_id_trg"
+BEFORE INSERT ON "res_user-res_group"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "res_user-res_group_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_module_id_seq" NOCACHE;
+
+CREATE TABLE "ir_module" (
+    "id" INTEGER NOT NULL,
+    "create_uid" INTEGER NOT NULL,
+    "create_date" TIMESTAMP NOT NULL,
+    "write_date" TIMESTAMP,
+    "write_uid" INTEGER,
+    "name" VARCHAR(4000) NOT NULL,
+    "state" VARCHAR(4000),
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_module_id_trg"
+BEFORE INSERT ON "ir_module"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_module_id_seq".NEXTVAL;
+    END;
+;
+
+CREATE SEQUENCE "ir_module_dependency_id_seq" NOCACHE;
+
+CREATE TABLE "ir_module_dependency" (
+    "id" INTEGER NOT NULL,
+    "create_uid" INTEGER NOT NULL,
+    "create_date" TIMESTAMP NOT NULL,
+    "write_date" TIMESTAMP,
+    "write_uid" INTEGER,
+    "name" VARCHAR(4000),
+    "module" INTEGER,
+    PRIMARY KEY ("id")
+) ROWDEPENDENCIES INITRANS 3;
+
+CREATE OR REPLACE TRIGGER "ir_module_dependency_id_trg"
+BEFORE INSERT ON "ir_module_dependency"
+FOR EACH ROW
+    WHEN (NEW."id" IS NULL)
+    BEGIN
+        :NEW."id" := "ir_module_dependency_id_seq".NEXTVAL;
+    END;
+;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/oracle/table.py	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,432 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import logging
+import hashlib
+
+from trytond.backend.table import TableHandlerInterface
+
+
+__all__ = ['TableHandler']
+
+logger = logging.getLogger(__name__)
+
+
+def truncate_name(name):
+    return hashlib.md5(name).hexdigest()[:30]
+
+
+class TableHandler(TableHandlerInterface):
+
+    def __init__(self, cursor, model, module_name=None, history=False):
+        super(TableHandler, self).__init__(cursor, model,
+                module_name=module_name, history=history)
+        self._columns = {}
+        self._constraints = []
+        self._fk_deltypes = {}
+        self._indexes = []
+        self._field2module = {}
+
+        # Create sequence if necessary
+        if not self.sequence_exist(self.cursor, self.sequence_name):
+            self.cursor.execute('CREATE SEQUENCE "%s" NOCACHE'
+                % self.sequence_name)
+
+        # Create new table if necessary
+        if not self.table_exist(self.cursor, self.table_name):
+            if not self.history:
+                self.cursor.execute('CREATE TABLE "%s" ('
+                    '"id" INTEGER NOT NULL, '
+                    'PRIMARY KEY ("id")) '
+                    'ROWDEPENDENCIES INITRANS 3' % self.table_name)
+                trigger_name = self.sequence_name[:-3] + 'trg'
+                self.cursor.execute('CREATE OR REPLACE TRIGGER "%s" '
+                    'BEFORE INSERT ON "%s" '
+                    'FOR EACH ROW '
+                        'WHEN (NEW."id" IS NULL) '
+                        'BEGIN '
+                            ':NEW."id" := "%s".NEXTVAL; '
+                        'END;'
+                    % (trigger_name, self.table_name, self.sequence_name))
+            else:
+                self.cursor.execute('CREATE TABLE "%s" ('
+                    '"__id" INTEGER NOT NULL, '
+                    '"id" INTEGER NOT NULL, '
+                    'PRIMARY KEY ("__id")) '
+                    'ROWDEPENDENCIES INITRANS 3' % self.table_name)
+                trigger_name = self.sequence_name[:-3] + 'trg'
+                self.cursor.execute('CREATE OR REPLACE TRIGGER "%s" '
+                    'BEFORE INSERT ON "%s" '
+                    'FOR EACH ROW '
+                        'WHEN (NEW."__id" IS NULL) '
+                        'BEGIN '
+                            ':NEW."__id" := "%s".NEXTVAL; '
+                        'END;'
+                    % (trigger_name, self.table_name, self.sequence_name))
+        if model.__doc__:
+            self.cursor.execute('COMMENT ON TABLE "%s" IS \'%s\'' %
+                (self.table_name, model.__doc__.replace("'", "''")))
+
+        self._update_definitions()
+
+    @staticmethod
+    def table_exist(cursor, table_name):
+        cursor.execute('SELECT table_name FROM user_tables '
+            'WHERE table_name = %s', (table_name,))
+        return bool(cursor.fetchone())
+
+    @staticmethod
+    def table_rename(cursor, old_name, new_name):
+        # Rename table
+        if (TableHandler.table_exist(cursor, old_name)
+                and not TableHandler.table_exist(cursor, new_name)):
+            cursor.execute('ALTER TABLE "%s" RENAME TO "%s"'
+                % (old_name, new_name))
+        # Rename sequence
+        old_sequence = old_name + '_id_seq'
+        new_sequence = new_name + '_id_seq'
+        TableHandler.sequence_rename(cursor, old_sequence, new_sequence)
+        # Rename history table
+        old_history = old_name + "__history"
+        new_history = new_name + "__history"
+        if (TableHandler.table_exist(cursor, old_history)
+                and not TableHandler.table_exist(cursor, new_history)):
+            cursor.execute('ALTER TABLE "%s" RENAME TO "%s"'
+                % (old_history, new_history))
+
+    @staticmethod
+    def sequence_exist(cursor, sequence_name):
+        cursor.execute('SELECT sequence_name FROM USER_SEQUENCES '
+            'WHERE sequence_name = %s', (sequence_name,))
+        return bool(cursor.fetchone())
+
+    @staticmethod
+    def sequence_rename(cursor, old_name, new_name):
+        if (TableHandler.sequence_exist(cursor, old_name)
+                and not TableHandler.sequence_exist(cursor, new_name)):
+            cursor.execute('RENAME "%s" TO "%s"' % (old_name, new_name))
+
+    def column_exist(self, column_name):
+        return column_name in self._columns
+
+    def column_rename(self, old_name, new_name, exception=False):
+        if (self.column_exist(old_name)
+                and not self.column_exist(new_name)):
+            self.cursor.execute('ALTER TABLE "%s" '
+                'RENAME COLUMN "%s" TO "%s"'
+                % (self.table_name, old_name, new_name))
+        elif exception and self.column_exist(new_name):
+            raise Exception('Unable to rename column %s.%s to %s.%s: '
+                '%s.%s already exist!'
+                % (self.table_name, old_name, self.table_name, new_name,
+                    self.table_name, new_name))
+
+    def _update_definitions(self):
+        # Fetch columns definitions from the table
+        self.cursor.execute('SELECT column_name, data_length, data_type_mod, '
+            'nullable, data_default, data_type, char_length '
+            'FROM USER_TAB_COLUMNS WHERE table_name = %s',
+            (self.table_name,))
+        self._columns = {}
+        for line in self.cursor.fetchall():
+            column, length, typmod, nullable, hasdef, typname, size = line
+            if typname == 'VARCHAR2':
+                typname = 'VARCHAR(4000)'
+            self._columns[column] = {
+                "length": length,
+                "typmod": typmod,
+                "nullable": nullable == 'Y',
+                "hasdef": hasdef,
+                "size": size,
+                "typname": typname}
+
+        # fetch constraints for the table
+        self.cursor.execute('SELECT co.constraint_type, co.delete_rule, '
+            'coc.column_name, r_coc.table_name, co.constraint_name '
+            'FROM USER_CONSTRAINTS co '
+            'LEFT JOIN USER_CONS_COLUMNS r_coc ON '
+                '(r_coc.constraint_name = co.r_constraint_name) '
+            'LEFT JOIN USER_CONS_COLUMNS coc ON '
+                '(coc.constraint_name = co.constraint_name) '
+            'WHERE co.table_name = %s', (self.table_name,))
+        self._constraints = []
+        self._fk_deltypes = {}
+        for line in self.cursor.fetchall():
+            contype, confdeltype, column, ref, conname = line
+            if contype == 'R':
+                self._fk_deltypes[column] = confdeltype
+            if conname not in self._constraints:
+                self._constraints.append(conname)
+
+        # Fetch indexes defined for the table
+        self.cursor.execute('SELECT index_name FROM user_indexes '
+            'WHERE table_name = %s', (self.table_name,))
+        self._indexes = [l[0] for l in self.cursor.fetchall()]
+
+        # Keep track of which module created each field
+        self._field2module = {}
+        if self.object_name is not None:
+            self.cursor.execute('SELECT f."name", f."module" '
+                'FROM "ir_model_field" f '
+                    'JOIN "ir_model" m on (f."model" = m."id") '
+                'WHERE m."model" = %s',
+                (self.object_name,))
+            for line in self.cursor.fetchall():
+                self._field2module[line[0]] = line[1]
+
+    def alter_size(self, column_name, column_type):
+
+        self.cursor.execute("ALTER TABLE \"%s\" "
+            "RENAME COLUMN \"%s\" TO \"_temp_change_size\""
+            % (self.table_name, column_name))
+        self.cursor.execute("ALTER TABLE \"%s\" "
+            "ADD COLUMN \"%s\" %s"
+            % (self.table_name, column_name, column_type))
+        self.cursor.execute("UPDATE \"%s\" "
+            "SET \"%s\" = CAST(\"_temp_change_size\" AS %s)"
+            % (self.table_name, column_name, column_type))
+        self.cursor.execute("ALTER TABLE \"%s\" "
+            "DROP COLUMN \"_temp_change_size\""
+            % (self.table_name,))
+        self._update_definitions()
+
+    def alter_type(self, column_name, column_type):
+        self.cursor.execute('ALTER TABLE "' + self.table_name + '" '
+            'MODIFY "' + column_name + '" ' + column_type)
+        self._update_definitions()
+
+    def db_default(self, column_name, value):
+        pass
+
+    def add_raw_column(self, column_name, column_type, column_format,
+            default_fun=None, field_size=None, migrate=True, string=''):
+        def comment():
+            self.cursor.execute('COMMENT ON COLUMN "%s"."%s" IS \'%s\'' %
+                    (self.table_name, column_name, string.replace("'", "''")))
+        if self.column_exist(column_name):
+            comment()
+            if not migrate:
+                return
+            base_type = column_type[0].upper()
+            if base_type != self._columns[column_name]['typname']:
+                if (self._columns[column_name]['typname'], base_type) in [
+                        ('DATE', 'TIMESTAMP'),
+                        ]:
+                    self.alter_type(column_name, base_type)
+                else:
+                    logger.warning(
+                        'Unable to migrate column %s on table %s '
+                        'from %s to %s.',
+                        column_name, self.table_name,
+                        self._columns[column_name]['typname'], base_type)
+
+            if (base_type == 'VARCHAR(4000)'
+                    and self._columns[column_name]['typname'] == 'VARCHAR(4000)'):
+                # Migrate size
+                if field_size is None:
+                    if 4000 > self._columns[column_name]['size'] > 0:
+                        self.alter_size(column_name, base_type)
+                elif self._columns[column_name]['size'] == field_size:
+                    pass
+                elif (self._columns[column_name]['size'] > 0
+                        and self._columns[column_name]['size'] < field_size):
+                    self.alter_size(column_name, column_type[1])
+                else:
+                    logger.warning(
+                        'Unable to migrate column %s on table %s '
+                        'from varchar2(%s) to varchar2(%s).',
+                        column_name, self.table_name,
+                        self._columns[column_name]['size'] > 0 and
+                        self._columns[column_name]['size'] or "",
+                        field_size)
+            return
+
+        column_type = column_type[1]
+        self.cursor.execute('ALTER TABLE "%s" ADD "%s" %s'
+            % (self.table_name, column_name, column_type))
+        comment()
+
+        if column_format:
+            # check if table is non-empty:
+            self.cursor.execute('SELECT 1 FROM "%s" WHERE ROWNUM <= 1' %
+                self.table_name)
+            if self.cursor.fetchone():
+                # Populate column with default values:
+                default = None
+                if default_fun is not None:
+                    default = default_fun()
+                self.cursor.execute('UPDATE "' + self.table_name + '" '
+                    'SET "' + column_name + '" = %s',
+                    (column_format(default),))
+
+        self._update_definitions()
+
+    def add_fk(self, column_name, reference, on_delete=None):
+        on_delete_code = {
+            'RESTRICT': 'SET NULL',
+            'NO ACTION': 'SET NULL',
+            'CASCADE': 'CASCADE',
+            'SET NULL': 'SET NULL',
+            'SET DEFAULT': 'SET NULL',
+            }
+        if on_delete is not None:
+            on_delete = on_delete.upper()
+            if on_delete not in on_delete_code:
+                raise Exception('On delete action not supported!')
+        else:
+            on_delete = 'SET NULL'
+
+        code = on_delete_code[on_delete]
+        name = truncate_name(self.table_name + '_' + column_name + '_fkey')
+        self.cursor.execute('SELECT constraint_name FROM USER_CONSTRAINTS '
+            'WHERE constraint_name = %s', (name,))
+        add = False
+        if not self.cursor.fetchone():
+            add = True
+        elif self._fk_deltypes.get(column_name) != code:
+            self.drop_fk(column_name)
+            add = True
+        if add:
+            self.cursor.execute('ALTER TABLE "' + self.table_name + '" '
+                'ADD CONSTRAINT "' + name + '" '
+                'FOREIGN KEY ("' + column_name + '") '
+                'REFERENCES "' + reference + '" ("id") '
+                'ON DELETE ' + code)
+        self._update_definitions()
+
+    def drop_fk(self, column_name, table=None):
+        self.drop_constraint(column_name + '_fkey', table=table)
+
+    def index_action(self, column_name, action='add', table=None):
+        if isinstance(column_name, basestring):
+            column_name = [column_name]
+        if sum(self._columns[n]['size'] for n in column_name) > 6398:
+            logger.warning('Size of columns (%s) for index on %s are too long',
+                column_name, self.table_name)
+            return
+        index_name = truncate_name(
+            (table or self.table_name) + "_" + '_'.join(column_name) +
+            "_index")
+
+        if action == 'add':
+            if index_name in self._indexes:
+                return
+            self.cursor.execute('CREATE INDEX "' + index_name + '" '
+                'ON "' + self.table_name + '" ( '
+                    + ','.join(['"' + x + '"' for x in column_name]) + ') '
+                'INITRANS 3')
+            self._update_definitions()
+        elif action == 'remove':
+            if len(column_name) == 1:
+                if (self._field2module.get(column_name[0], self.module_name)
+                        != self.module_name):
+                    return
+
+            if index_name in self._indexes:
+                self.cursor.execute('DROP INDEX "%s" ' % (index_name,))
+                self._update_definitions()
+        else:
+            raise Exception('Index action not supported!')
+
+    def not_null_action(self, column_name, action='add'):
+        if not self.column_exist(column_name):
+            return
+
+        if action == 'add':
+            if not self._columns[column_name]['nullable']:
+                return
+            self.cursor.execute('SELECT "id" FROM "%s" '
+                'WHERE "%s" IS NULL'
+                % (self.table_name, column_name))
+            if not self.cursor.fetchone():
+                self.cursor.execute('ALTER TABLE "' + self.table_name + '" '
+                    'MODIFY "' + column_name + '" NOT NULL')
+                self._update_definitions()
+            else:
+                logger.warning(
+                    'Unable to set column %s '
+                    'of table %s not null !\n'
+                    'Try to re-run: '
+                    'trytond.py --update=module\n'
+                    'If it doesn\'t work, update records '
+                    'and execute manually:\n'
+                    'ALTER TABLE "%s" MODIFY "%s" NOT NULL',
+                    column_name, self.table_name, self.table_name, column_name)
+        elif action == 'remove':
+            if self._columns[column_name]['nullable']:
+                return
+            if (self._field2module.get(column_name, self.module_name)
+                    != self.module_name):
+                return
+            self.cursor.execute('ALTER TABLE "%s" '
+                'MODIFY "%s" NULL'
+                % (self.table_name, column_name))
+            self._update_definitions()
+        else:
+            raise Exception('Not null action not supported!')
+
+    def add_constraint(self, ident, constraint, exception=False):
+        ident = self.table_name + "_" + ident
+        if len(ident) > 30:
+            ident = truncate_name(ident)
+        if ident in self._constraints:
+            # This constrain already exist
+            return
+        params = tuple(int(p) if (p is True or p is False) else p
+            for p in constraint.params)
+        try:
+            self.cursor.execute('ALTER TABLE "%s" '
+                'ADD CONSTRAINT "%s" %s'
+                % (self.table_name, ident, str(constraint) % params))
+        except Exception:
+            if exception:
+                raise
+            logger.warning(
+                'unable to add \'%s\' constraint on table %s !\n'
+                'If you want to have it, you should update the records '
+                'and execute manually:\n'
+                'ALTER table "%s" ADD CONSTRAINT "%s" %s',
+                constraint, self.table_name, self.table_name, ident,
+                constraint, exc_info=True)
+        self._update_definitions()
+
+    def drop_constraint(self, ident, exception=False, table=None):
+        ident = truncate_name((table or self.table_name) + "_" + ident)
+        if ident not in self._constraints:
+            return
+        try:
+            self.cursor.execute('ALTER TABLE "%s" '
+                'DROP CONSTRAINT "%s"'
+                % (self.table_name, ident))
+        except Exception:
+            if exception:
+                raise
+            logger.warning(
+                'unable to drop \'%s\' constraint on table %s!',
+                ident, self.table_name, exc_info=True)
+        self._update_definitions()
+
+    def drop_column(self, column_name, exception=False):
+        if not self.column_exist(column_name):
+            return
+        try:
+            self.cursor.execute(
+                'ALTER TABLE "%s" DROP COLUMN "%s"' %
+                (self.table_name, column_name))
+
+        except Exception:
+            if exception:
+                raise
+            logger.warning(
+                'unable to drop \'%s\' column on table %s!',
+                column_name, self.table_name, exc_info=True)
+        self._update_definitions()
+
+    @staticmethod
+    def drop_table(cursor, model, table, cascade=False):
+        cursor.execute('DELETE FROM ir_model_data '
+            'WHERE model = \'%s\'' % model)
+
+        query = 'DROP TABLE "%s"' % table
+        if cascade:
+            query = query + ' CASCADE'
+        cursor.execute(query)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/setup.py	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import os
+from setuptools import setup
+
+version = '3.7.0'
+major_version, minor_version, _ = version.split('.', 2)
+major_version = int(major_version)
+minor_version = int(minor_version)
+
+
+def get_require_version(name):
+    if minor_version % 2:
+        require = '%s >= %s.%s.dev0, < %s.%s'
+    else:
+        require = '%s >= %s.%s, < %s.%s'
+    require %= (name, major_version, minor_version,
+        major_version, minor_version + 1)
+    return require
+
+
+def read(fname):
+    return open(os.path.join(os.path.dirname(__file__), fname)).read()
+
+setup(name='trytond_backend_oracle',
+    version=version,
+    author='B2CK',
+    author_email='info@b2ck.com',
+    description='Oracle backend for Tryton',
+    long_description=read('README'),
+    package_dir={'trytond.backend.oracle': 'oracle'},
+    packages=[
+        'trytond.backend.oracle',
+        ],
+    package_data={
+        'trytond.backend.oracle': ['init.sql'],
+        },
+    zip_safe=False,
+    platforms='any',
+    keywords='oracle tryton',
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Framework :: Tryton',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: GNU General Public License (GPL)',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: Implementation :: CPython',
+        'Topic :: Database',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        ],
+    license='GPL-3',
+    install_requires=[
+        'cx_Oracle',
+        'python-sql >= 0.8',
+        get_require_version('trytond'),
+        ],
+    entry_points="""
+    [trytond.backend]
+    oracle = trytond.backend.oracle
+    """,
+    )
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/table.conf	Thu Oct 08 15:26:41 2015 +0200
@@ -0,0 +1,82 @@
+[table]
+ir.action.act_window.view = ir_act_win_view
+ir.action.act_window.domain = ir_act_win_dom
+ir.module.config_wizard.item = ir_mod_conf_w_i
+ir.model.field-res.group = ir_mod_f-res_group
+ir.model.button-res.group = ir_mod_b-res_group
+ir.sequence.type-res.group = ir_seq_t-res_group
+
+test.one2one = test_o2o
+test.one2one.target = test_o2o_target
+test.one2one.relation = test_o2o_rel
+test.one2one_required = test.o2o_req
+test.one2one_required.relation = test_o2o_req_rel
+test.one2one_domain = test_o2o_dom
+test.one2one_domain.relation = test_o2o_dom_rel
+
+test.one2many = test_o2m
+test.one2many.target = test_o2m_target
+test.one2many_required = test_o2m_req
+test.one2many_required.target = test_o2m_req_target
+test.one2many_reference = test_o2m_ref
+test.one2many_reference.target = test_o2m_ref_target
+test.one2many_size = test_o2m_s
+test.one2many_size.target = test_o2m_s_target
+test.one2many_size_pyson = test_o2m_s_pyson
+test.one2many_size_pyson.target = test_o2m_s_pyson_target
+test.many2many = test_m2m
+test.many2many.target = test_m2m_target
+test.many2many.relation = test_m2m_rel
+test.many2many_required = test_m2m_req
+test.many2many_required.target = test_m2m_req_target
+test.many2many_required.relation = test_m2m_req_rel
+test.many2many_reference = test_m2m_ref
+test.many2many_reference.target = test_m2m_ref_target
+test.many2many_reference.relation = test_m2m_ref_rel
+test.many2many_size = test_m2m_s
+test.many2many_size.target = test_m2m_s_target
+test.many2many_size.relation = test_o2m_s_rel
+test.reference = test_ref
+test.reference.target = test_ref_target
+test.reference_required = test_ref_req
+test.many2one_domainvalidation = test_m2o_domval
+test.many2one_orderby = test_m2o_orderby
+test.copy.one2many = test_cp_o2m
+test.copy.one2many.target = test_cp_o2m_target
+test.copy.one2many_reference = test_cp_o2m_ref
+test.copy.one2many_reference.target = test_cp_o2m_ref_target
+test.copy.many2many = test_cp_m2m
+test.copy.many2many.target = test_cp_m2m_target
+test.copy.many2many.rel = test_cp_m2m_rel
+test.copy.many2many_reference = test_cp_m2m_ref
+test.copy.many2many_reference.target = test_cp_m2m_ref_target
+test.copy.many2many_reference.rel = test_cp_m2m_ref_rel
+test.export_data.target = test_exp_d_target
+test.export_data = test_exp_d
+test.export_data.target = test_exp_d_target
+test.export_data.relation = test_exp_d_rel
+test.import_data.boolean = test_imp_d_bool
+test.import_data.integer = test_imp_d_int
+test.import_data.integer_required = test_imp_d_int_req
+test.import_data.float = test_imp_d_float
+test.import_data.float_required = test_imp_d_float_req
+test.import_data.numeric = test_imp_d_num
+test.import_data.numeric_required = test_imp_d_num_req
+test.import_data.char = test_imp_d_char
+test.import_data.text = test_imp_d_text
+test.import_data.date = test_imp_d_date
+test.import_data.datetime = test_imp_d_datetime
+test.import_data.selection = test_imp_d_sel
+test.import_data.many2one.target = test_imp_d_m2o_target
+test.import_data.many2one = test_imp_d_m2o
+test.import_data.many2many.target = test_imp_d_m2m_target
+test.import_data.many2many = test_imp_d_m2m
+test.import_data.many2many.relation = test_imp_d_m2m_rel
+test.import_data.one2many = test_imp_d_o2m
+test.import_data.one2many.target = test_imp_d_o2m_target
+test.import_data.reference.selection = test_imp_d_ref_sel
+test.import_data.reference = test_imp_d_ref
+test.history = test_hist
+test.history.line = test_hist_l
+test.field_context.parent = test_field_ctx_parent
+test.field_context.child = test_field_ctx_child