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authorjralston <none@none>2006-05-23 01:03:34 +0000
committerjralston <none@none>2006-05-23 01:03:34 +0000
commit741e225694c4db2a9fac6efe39bee84cf3d47ced (patch)
tree7b9df372b3bcf4750d1e130f019759c287dac5aa /lib/sqlalchemy/databases/firebird.py
parent030c50d20d7dfd135570e6b72edca9f3dfe14123 (diff)
downloadsqlalchemy-741e225694c4db2a9fac6efe39bee84cf3d47ced.tar.gz
Implemented the changes from ticket 94
Diffstat (limited to 'lib/sqlalchemy/databases/firebird.py')
-rw-r--r--lib/sqlalchemy/databases/firebird.py41
1 files changed, 19 insertions, 22 deletions
diff --git a/lib/sqlalchemy/databases/firebird.py b/lib/sqlalchemy/databases/firebird.py
index 7dc48a54a..99ef9eb9f 100644
--- a/lib/sqlalchemy/databases/firebird.py
+++ b/lib/sqlalchemy/databases/firebird.py
@@ -5,7 +5,7 @@
# the MIT License: http://www.opensource.org/licenses/mit-license.php
-import sys, StringIO, string
+import sys, StringIO, string, datetime
import sqlalchemy.sql as sql
import sqlalchemy.schema as schema
@@ -30,6 +30,16 @@ class FBSmallInteger(sqltypes.Smallinteger):
class FBDateTime(sqltypes.DateTime):
def get_col_spec(self):
return "DATE"
+ def convert_bind_param(self, value, engine):
+ if value is not None:
+ if isinstance(value, datetime.datetime):
+ seconds = float(str(value.second) + "."
+ + str(value.microsecond))
+ return kinterbasdb.date_conv_out((value.year, value.month, value.day,
+ value.hour, value.minute, seconds))
+ return kinterbasdb.timestamp_conv_in(value)
+ else:
+ return None
class FBText(sqltypes.TEXT):
def get_col_spec(self):
return "BLOB SUB_TYPE 2"
@@ -74,13 +84,12 @@ def descriptor():
]}
class FBSQLEngine(ansisql.ANSISQLEngine):
- def __init__(self, opts, use_ansi = True, module = None, **params):
- self._use_ansi = use_ansi
- self.opts = opts or {}
+ def __init__(self, opts, module=None, use_oids=False, **params):
if module is None:
self.module = kinterbasdb
else:
self.module = module
+ self.opts = self._translate_connect_args(('host', 'database', 'user', 'password'), opts)
ansisql.ANSISQLEngine.__init__(self, **params)
def do_commit(self, connection):
@@ -102,7 +111,7 @@ class FBSQLEngine(ansisql.ANSISQLEngine):
return self.context.last_inserted_ids
def compiler(self, statement, bindparams, **kwargs):
- return FBCompiler(statement, bindparams, engine=self, use_ansi=self._use_ansi, **kwargs)
+ return FBCompiler(statement, bindparams, engine=self, **kwargs)
def schemagenerator(self, **params):
return FBSchemaGenerator(self, **params)
@@ -188,21 +197,6 @@ class FBSQLEngine(ansisql.ANSISQLEngine):
class FBCompiler(ansisql.ANSICompiler):
"""firebird compiler modifies the lexical structure of Select statements to work under
non-ANSI configured Firebird databases, if the use_ansi flag is False."""
-
- def __init__(self, engine, statement, parameters, use_ansi = True, **kwargs):
- self._outertable = None
- self._use_ansi = use_ansi
- ansisql.ANSICompiler.__init__(self, engine, statement, parameters, **kwargs)
-
- def visit_column(self, column):
- if self._use_ansi:
- return ansisql.ANSICompiler.visit_column(self, column)
-
- if column.table is self._outertable:
- self.strings[column] = "%s.%s(+)" % (column.table.name, column.name)
- else:
- self.strings[column] = "%s.%s" % (column.table.name, column.name)
-
def visit_function(self, func):
if len(func.clauses):
super(FBCompiler, self).visit_function(func)
@@ -223,10 +217,11 @@ class FBCompiler(ansisql.ANSICompiler):
""" called when building a SELECT statment, position is just before column list
Firebird puts the limit and offset right after the select...thanks for adding the
visit_select_precolumns!!!"""
+ result = ''
if select.offset:
- result +=" FIRST " + select.offset
+ result +=" FIRST %s " % select.offset
if select.limit:
- result += " SKIP " + select.limit
+ result += " SKIP %s " % select.limit
if select.distinct:
result += " DISTINCT "
return result
@@ -234,6 +229,8 @@ class FBCompiler(ansisql.ANSICompiler):
def limit_clause(self, select):
"""Already taken care of in the visit_select_precolumns method."""
return ""
+ def default_from(self):
+ return ' from RDB$DATABASE '
class FBSchemaGenerator(ansisql.ANSISchemaGenerator):
def get_column_specification(self, column, override_pk=False, **kwargs):