- consolidate "constraints.py" into the more general "ext.py",

for all assorted PG SQL extensions

1 files changed, 0 insertions, 98 deletions

diff --git a/lib/sqlalchemy/dialects/postgresql/constraints.py b/lib/sqlalchemy/dialects/postgresql/constraints.py
deleted file mode 100644
index 4cfc050de..000000000
--- a/lib/sqlalchemy/dialects/postgresql/constraints.py
+++ /dev/null
@@ -1,98 +0,0 @@
-# Copyright (C) 2013-2015 the SQLAlchemy authors and contributors
-# <see AUTHORS file>
-#
-# This module is part of SQLAlchemy and is released under
-# the MIT License: http://www.opensource.org/licenses/mit-license.php
-from ...sql.schema import ColumnCollectionConstraint
-from ...sql import expression
-from ... import util
-
-
-class ExcludeConstraint(ColumnCollectionConstraint):
-    """A table-level EXCLUDE constraint.
-
-    Defines an EXCLUDE constraint as described in the `postgres
-    documentation`__.
-
-    __ http://www.postgresql.org/docs/9.0/\
-static/sql-createtable.html#SQL-CREATETABLE-EXCLUDE
-    """
-
-    __visit_name__ = 'exclude_constraint'
-
-    where = None
-
-    def __init__(self, *elements, **kw):
-        """
-        :param \*elements:
-          A sequence of two tuples of the form ``(column, operator)`` where
-          column must be a column name or Column object and operator must
-          be a string containing the operator to use.
-
-        :param name:
-          Optional, the in-database name of this constraint.
-
-        :param deferrable:
-          Optional bool.  If set, emit DEFERRABLE or NOT DEFERRABLE when
-          issuing DDL for this constraint.
-
-        :param initially:
-          Optional string.  If set, emit INITIALLY <value> when issuing DDL
-          for this constraint.
-
-        :param using:
-          Optional string.  If set, emit USING <index_method> when issuing DDL
-          for this constraint. Defaults to 'gist'.
-
-        :param where:
-          Optional string.  If set, emit WHERE <predicate> when issuing DDL
-          for this constraint.
-
-        """
-        columns = []
-        render_exprs = []
-        self.operators = {}
-
-        expressions, operators = zip(*elements)
-
-        for (expr, column, strname, add_element), operator in zip(
-                self._extract_col_expression_collection(expressions),
-                operators
-        ):
-            if add_element is not None:
-                columns.append(add_element)
-
-            name = column.name if column is not None else strname
-
-            if name is not None:
-                # backwards compat
-                self.operators[name] = operator
-
-            expr = expression._literal_as_text(expr)
-
-            render_exprs.append(
-                (expr, name, operator)
-            )
-
-        self._render_exprs = render_exprs
-        ColumnCollectionConstraint.__init__(
-            self,
-            *columns,
-            name=kw.get('name'),
-            deferrable=kw.get('deferrable'),
-            initially=kw.get('initially')
-        )
-        self.using = kw.get('using', 'gist')
-        where = kw.get('where')
-        if where:
-            self.where = expression._literal_as_text(where)
-
-    def copy(self, **kw):
-        elements = [(col, self.operators[col])
-                    for col in self.columns.keys()]
-        c = self.__class__(*elements,
-                           name=self.name,
-                           deferrable=self.deferrable,
-                           initially=self.initially)
-        c.dispatch._update(self.dispatch)
-        return c