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Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index 6f3ee94ab..90c670ce3 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -6,10 +6,9 @@ """Defines the base components of SQL expression trees. - All components are derived from a common base class -[sqlalchemy.sql.expression#ClauseElement]. Common behaviors are organized based -on class hierarchies, in some cases via mixins. +[sqlalchemy.sql.expression#ClauseElement]. Common behaviors are organized +based on class hierarchies, in some cases via mixins. All object construction from this package occurs via functions which in some cases will construct composite ``ClauseElement`` structures @@ -26,10 +25,11 @@ classes usually have few or no public methods and are less guaranteed to stay the same in future releases. """ +import re from sqlalchemy import util, exceptions from sqlalchemy.sql import operators, visitors from sqlalchemy import types as sqltypes -import re + __all__ = [ 'Alias', 'ClauseElement', @@ -43,6 +43,7 @@ __all__ = [ 'literal_column', 'not_', 'null', 'or_', 'outparam', 'outerjoin', 'select', 'subquery', 'table', 'text', 'union', 'union_all', 'update', ] + BIND_PARAMS = re.compile(r'(?<![:\w\x5c]):(\w+)(?!:)', re.UNICODE) def desc(column): |