1 files changed, 25 insertions, 0 deletions
diff --git a/oslo_db/exception.py b/oslo_db/exception.py
index f950f6a..506006c 100644
--- a/oslo_db/exception.py
+++ b/oslo_db/exception.py
@@ -87,6 +87,23 @@ class DBDuplicateEntry(DBError):
         super(DBDuplicateEntry, self).__init__(inner_exception)
 
 
+class DBConstraintError(DBError):
+    """Check constraint fails for column error.
+
+    Raised when made an attempt to write to a column a value that does not
+    satisfy a CHECK constraint.
+
+    :kwarg table: the table name for which the check fails
+    :type table: str
+    :kwarg check_name: the table of the check that failed to be satisfied
+    :type check_name: str
+    """
+    def __init__(self, table, check_name, inner_exception=None):
+        self.table = table
+        self.check_name = check_name
+        super(DBConstraintError, self).__init__(inner_exception)
+
+
 class DBReferenceError(DBError):
     """Foreign key violation error.
 
@@ -155,6 +172,14 @@ class DBConnectionError(DBError):
     pass
 
 
+class DBDataError(DBError):
+    """Raised for errors that are due to problems with the processed data.
+
+    E.g. division by zero, numeric value out of range, incorrect data type, etc
+
+    """
+
+
 class InvalidSortKey(Exception):
     """A sort key destined for database query usage is invalid."""