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-rwxr-xr-xlib/python2.7/site-packages/sqlalchemy_migrate-0.7.2-py2.7.egg/migrate/changeset/databases/oracle.py108
1 files changed, 0 insertions, 108 deletions
diff --git a/lib/python2.7/site-packages/sqlalchemy_migrate-0.7.2-py2.7.egg/migrate/changeset/databases/oracle.py b/lib/python2.7/site-packages/sqlalchemy_migrate-0.7.2-py2.7.egg/migrate/changeset/databases/oracle.py
deleted file mode 100755
index 2f16b5b5..00000000
--- a/lib/python2.7/site-packages/sqlalchemy_migrate-0.7.2-py2.7.egg/migrate/changeset/databases/oracle.py
+++ /dev/null
@@ -1,108 +0,0 @@
-"""
- Oracle database specific implementations of changeset classes.
-"""
-import sqlalchemy as sa
-from sqlalchemy.databases import oracle as sa_base
-
-from migrate import exceptions
-from migrate.changeset import ansisql
-
-
-OracleSchemaGenerator = sa_base.OracleDDLCompiler
-
-
-class OracleColumnGenerator(OracleSchemaGenerator, ansisql.ANSIColumnGenerator):
- pass
-
-
-class OracleColumnDropper(ansisql.ANSIColumnDropper):
- pass
-
-
-class OracleSchemaChanger(OracleSchemaGenerator, ansisql.ANSISchemaChanger):
-
- def get_column_specification(self, column, **kwargs):
- # Ignore the NOT NULL generated
- override_nullable = kwargs.pop('override_nullable', None)
- if override_nullable:
- orig = column.nullable
- column.nullable = True
- ret = super(OracleSchemaChanger, self).get_column_specification(
- column, **kwargs)
- if override_nullable:
- column.nullable = orig
- return ret
-
- def visit_column(self, delta):
- keys = delta.keys()
-
- if 'name' in keys:
- self._run_subvisit(delta,
- self._visit_column_name,
- start_alter=False)
-
- if len(set(('type', 'nullable', 'server_default')).intersection(keys)):
- self._run_subvisit(delta,
- self._visit_column_change,
- start_alter=False)
-
- def _visit_column_change(self, table, column, delta):
- # Oracle cannot drop a default once created, but it can set it
- # to null. We'll do that if default=None
- # http://forums.oracle.com/forums/message.jspa?messageID=1273234#1273234
- dropdefault_hack = (column.server_default is None \
- and 'server_default' in delta.keys())
- # Oracle apparently doesn't like it when we say "not null" if
- # the column's already not null. Fudge it, so we don't need a
- # new function
- notnull_hack = ((not column.nullable) \
- and ('nullable' not in delta.keys()))
- # We need to specify NULL if we're removing a NOT NULL
- # constraint
- null_hack = (column.nullable and ('nullable' in delta.keys()))
-
- if dropdefault_hack:
- column.server_default = sa.PassiveDefault(sa.sql.null())
- if notnull_hack:
- column.nullable = True
- colspec = self.get_column_specification(column,
- override_nullable=null_hack)
- if null_hack:
- colspec += ' NULL'
- if notnull_hack:
- column.nullable = False
- if dropdefault_hack:
- column.server_default = None
-
- self.start_alter_table(table)
- self.append("MODIFY (")
- self.append(colspec)
- self.append(")")
-
-
-class OracleConstraintCommon(object):
-
- def get_constraint_name(self, cons):
- # Oracle constraints can't guess their name like other DBs
- if not cons.name:
- raise exceptions.NotSupportedError(
- "Oracle constraint names must be explicitly stated")
- return cons.name
-
-
-class OracleConstraintGenerator(OracleConstraintCommon,
- ansisql.ANSIConstraintGenerator):
- pass
-
-
-class OracleConstraintDropper(OracleConstraintCommon,
- ansisql.ANSIConstraintDropper):
- pass
-
-
-class OracleDialect(ansisql.ANSIDialect):
- columngenerator = OracleColumnGenerator
- columndropper = OracleColumnDropper
- schemachanger = OracleSchemaChanger
- constraintgenerator = OracleConstraintGenerator
- constraintdropper = OracleConstraintDropper