52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
from .base import SQLAdapter
|
|
from . import adapters
|
|
|
|
|
|
@adapters.register_for('ingres')
|
|
class Ingres(SQLAdapter):
|
|
dbengine = 'ingres'
|
|
drivers = ('pyodbc',)
|
|
|
|
def _initialize_(self, do_connect):
|
|
super(Ingres, self)._initialize_(do_connect)
|
|
ruri = self.uri.split('://', 1)[1]
|
|
connstr = ruri.lstrip()
|
|
while connstr.startswith('/'):
|
|
connstr = connstr[1:]
|
|
if '=' in connstr:
|
|
# Assume we have a regular ODBC connection string and just use it
|
|
ruri = connstr
|
|
else:
|
|
# Assume only (local) dbname is passed in with OS auth
|
|
database_name = connstr
|
|
default_driver_name = 'Ingres'
|
|
vnode = '(local)'
|
|
ruri = 'Driver={%s};Server=%s;Database=%s' % (
|
|
default_driver_name, vnode, database_name)
|
|
self.ruri = ruri
|
|
|
|
def connector(self):
|
|
self.driver.connect(self.ruri, **self.driver_args)
|
|
|
|
def create_sequence_and_triggers(self, query, table, **args):
|
|
# post create table auto inc code (if needed)
|
|
# modify table to btree for performance....
|
|
# Older Ingres releases could use rule/trigger like Oracle above.
|
|
if hasattr(table, '_primarykey'):
|
|
modify_tbl_sql = 'modify %s to btree unique on %s' % \
|
|
(table._rname,
|
|
', '.join(["'%s'" % x for x in table.primarykey]))
|
|
self.execute(modify_tbl_sql)
|
|
else:
|
|
tmp_seqname = '%s_iisq' % table._raw_rname
|
|
query = query.replace(self.dialect.INGRES_SEQNAME, tmp_seqname)
|
|
self.execute('create sequence %s' % tmp_seqname)
|
|
self.execute(query)
|
|
self.execute(
|
|
'modify %s to btree unique on %s' % (table._rname, 'id'))
|
|
|
|
|
|
@adapters.register_for('ingresu')
|
|
class IngresUnicode(Ingres):
|
|
pass
|