Retire github mirror, repo moved to opendevHEADmaster

1 files changed, 0 insertions, 93 deletions

diff --git a/migrate/changeset/databases/firebird.py b/migrate/changeset/databases/firebird.py
deleted file mode 100644
index 0f16b0a..0000000
--- a/migrate/changeset/databases/firebird.py
+++ /dev/null
@@ -1,93 +0,0 @@
-"""
-   Firebird database specific implementations of changeset classes.
-"""
-from sqlalchemy.databases import firebird as sa_base
-from sqlalchemy.schema import PrimaryKeyConstraint
-from migrate import exceptions
-from migrate.changeset import ansisql
-
-
-FBSchemaGenerator = sa_base.FBDDLCompiler
-
-class FBColumnGenerator(FBSchemaGenerator, ansisql.ANSIColumnGenerator):
-    """Firebird column generator implementation."""
-
-
-class FBColumnDropper(ansisql.ANSIColumnDropper):
-    """Firebird column dropper implementation."""
-
-    def visit_column(self, column):
-        """Firebird supports 'DROP col' instead of 'DROP COLUMN col' syntax
-
-        Drop primary key and unique constraints if dropped column is referencing it."""
-        if column.primary_key:
-            if column.table.primary_key.columns.contains_column(column):
-                column.table.primary_key.drop()
-                # TODO: recreate primary key if it references more than this column
-
-        for index in column.table.indexes:
-            # "column in index.columns" causes problems as all
-            # column objects compare equal and return a SQL expression
-            if column.name in [col.name for col in index.columns]:
-                index.drop()
-                # TODO: recreate index if it references more than this column
-
-        for cons in column.table.constraints:
-            if isinstance(cons,PrimaryKeyConstraint):
-                # will be deleted only when the column its on
-                # is deleted!
-                continue
-
-            should_drop = column.name in cons.columns
-            if should_drop:
-                self.start_alter_table(column)
-                self.append("DROP CONSTRAINT ")
-                self.append(self.preparer.format_constraint(cons))
-                self.execute()
-            # TODO: recreate unique constraint if it refenrences more than this column
-
-        self.start_alter_table(column)
-        self.append('DROP %s' % self.preparer.format_column(column))
-        self.execute()
-
-
-class FBSchemaChanger(ansisql.ANSISchemaChanger):
-    """Firebird schema changer implementation."""
-
-    def visit_table(self, table):
-        """Rename table not supported"""
-        raise exceptions.NotSupportedError(
-            "Firebird does not support renaming tables.")
-
-    def _visit_column_name(self, table, column, delta):
-        self.start_alter_table(table)
-        col_name = self.preparer.quote(delta.current_name)
-        new_name = self.preparer.format_column(delta.result_column)
-        self.append('ALTER COLUMN %s TO %s' % (col_name, new_name))
-
-    def _visit_column_nullable(self, table, column, delta):
-        """Changing NULL is not supported"""
-        # TODO: http://www.firebirdfaq.org/faq103/
-        raise exceptions.NotSupportedError(
-            "Firebird does not support altering NULL bevahior.")
-
-
-class FBConstraintGenerator(ansisql.ANSIConstraintGenerator):
-    """Firebird constraint generator implementation."""
-
-
-class FBConstraintDropper(ansisql.ANSIConstraintDropper):
-    """Firebird constaint dropper implementation."""
-
-    def cascade_constraint(self, constraint):
-        """Cascading constraints is not supported"""
-        raise exceptions.NotSupportedError(
-            "Firebird does not support cascading constraints")
-
-
-class FBDialect(ansisql.ANSIDialect):
-    columngenerator = FBColumnGenerator
-    columndropper = FBColumnDropper
-    schemachanger = FBSchemaChanger
-    constraintgenerator = FBConstraintGenerator
-    constraintdropper = FBConstraintDropper