diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/oracle/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/oracle/base.py | 75 |
1 files changed, 40 insertions, 35 deletions
diff --git a/lib/sqlalchemy/dialects/oracle/base.py b/lib/sqlalchemy/dialects/oracle/base.py index 944fe21c3..b58d038cf 100644 --- a/lib/sqlalchemy/dialects/oracle/base.py +++ b/lib/sqlalchemy/dialects/oracle/base.py @@ -5,7 +5,7 @@ # This module is part of SQLAlchemy and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php -""" +r""" .. dialect:: oracle :name: Oracle @@ -343,27 +343,31 @@ columns for non-unique indexes, all but the last column for unique indexes). .. versionadded:: 1.0.0 -""" +""" # noqa +from itertools import groupby import re -from sqlalchemy import util, sql -from sqlalchemy.engine import default, reflection -from sqlalchemy.sql import compiler, visitors, expression, util as sql_util -from sqlalchemy.sql import operators as sql_operators -from sqlalchemy.sql.elements import quoted_name -from sqlalchemy import types as sqltypes, schema as sa_schema -from sqlalchemy.types import ( - VARCHAR, - NVARCHAR, - CHAR, - BLOB, - CLOB, - TIMESTAMP, - FLOAT, - INTEGER, -) -from itertools import groupby +from ... import schema as sa_schema +from ... import sql +from ... import types as sqltypes +from ... import util +from ...engine import default +from ...engine import reflection +from ...sql import compiler +from ...sql import expression +from ...sql import util as sql_util +from ...sql import visitors +from ...sql.elements import quoted_name +from ...types import BLOB +from ...types import CHAR +from ...types import CLOB +from ...types import FLOAT +from ...types import INTEGER +from ...types import NVARCHAR +from ...types import TIMESTAMP +from ...types import VARCHAR + RESERVED_WORDS = set( "SHARE RAW DROP BETWEEN FROM DESC OPTION PRIOR LONG THEN " @@ -1200,9 +1204,9 @@ class OracleDialect(default.DefaultDialect): if util.py2k: if isinstance(name, str): name = name.decode(self.encoding) - if name.upper() == name and not self.identifier_preparer._requires_quotes( - name.lower() - ): + if name.upper() == name and not ( + self.identifier_preparer._requires_quotes + )(name.lower()): return name.lower() elif name.lower() == name: return quoted_name(name, quote=True) @@ -1212,15 +1216,15 @@ class OracleDialect(default.DefaultDialect): def denormalize_name(self, name): if name is None: return None - elif name.lower() == name and not self.identifier_preparer._requires_quotes( - name.lower() - ): + elif name.lower() == name and not ( + self.identifier_preparer._requires_quotes + )(name.lower()): name = name.upper() if util.py2k: if not self.supports_unicode_binds: name = name.encode(self.encoding) else: - name = unicode(name) + name = unicode(name) # noqa return name def _get_default_schema_name(self, connection): @@ -1827,7 +1831,12 @@ class OracleDialect(default.DefaultDialect): if not rec["referred_table"]: if resolve_synonyms: - ref_remote_name, ref_remote_owner, ref_dblink, ref_synonym = self._resolve_synonym( + ( + ref_remote_name, + ref_remote_owner, + ref_dblink, + ref_synonym, + ) = self._resolve_synonym( connection, desired_owner=self.denormalize_name(remote_owner), desired_table=self.denormalize_name(remote_table), @@ -1882,14 +1891,10 @@ class OracleDialect(default.DefaultDialect): unique_keys = filter(lambda x: x[1] == "U", constraint_data) uniques_group = groupby(unique_keys, lambda x: x[0]) - index_names = set( - [ - ix["name"] - for ix in self.get_indexes( - connection, table_name, schema=schema - ) - ] - ) + index_names = { + ix["name"] + for ix in self.get_indexes(connection, table_name, schema=schema) + } return [ { "name": name, |