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r9370: * sql/db-interface.lisp: Add new db-type-has-union?
[clsql.git]
/
sql
/
db-interface.lisp
diff --git
a/sql/db-interface.lisp
b/sql/db-interface.lisp
index 84702b9c940e7170c69beb23ae01d57c8e284f5e..62436309b25e550bf877a09f493c4e65d74bafdc 100644
(file)
--- a/
sql/db-interface.lisp
+++ b/
sql/db-interface.lisp
@@
-244,6
+244,12
@@
of TYPE_NAME (keyword) PRECISION SCALE NULLABLE."))
t)
(:documentation "T [default] if database-type supports boolean WHERE clause, such as 'WHERE MARRIED'."))
t)
(:documentation "T [default] if database-type supports boolean WHERE clause, such as 'WHERE MARRIED'."))
+(defgeneric db-type-has-union? (db-type)
+ (:method (db-type)
+ (declare (ignore db-type))
+ t)
+ (:documentation "T [default] if database-type supports boolean UNION."))
+
(defgeneric db-backend-has-create/destroy-db? (db-type)
(:method (db-type)
(declare (ignore db-type))
(defgeneric db-backend-has-create/destroy-db? (db-type)
(:method (db-type)
(declare (ignore db-type))