r9796: * sql/expressions.lisp: reactivate caching of generated SQL

[clsql.git] / sql / db-interface.lisp

diff --git a/sql/db-interface.lisp b/sql/db-interface.lisp
index 385e08ba07b7b0811b11f5a29f03f16228b4e040..d6b1abe9c61c50a26e274485d3a59e7cebffefb1 100644 (file)
--- a/sql/db-interface.lisp
+++ b/sql/db-interface.lisp
@@ -128,12 +128,6 @@ if not found. May signal an error if unable to communicate with database server.
     (signal-no-database-error database))
   (:documentation "Remove all data from database."))
 
-(defgeneric database-describe-table (database table)
-  (:method ((database t) table)
-    (declare (ignore table))
-    (signal-no-database-error database))
-  (:documentation "Return a list of name/type for columns in table"))
-
 (defgeneric database-destory (connection-spec type)
   (:documentation
    "Destroys a database, returns T if successfull or signals an error
@@ -172,34 +166,66 @@ if unable to destory."))
   (:method ((database t))
           (signal-no-database-error database)))
 
-(defgeneric database-get-type-specifier (type args database)
+(defgeneric database-get-type-specifier (type args database db-underlying-type)
   (:documentation "Return the type SQL type specifier as a string, for
 the given lisp type and parameters."))
 
 (defgeneric database-list-tables (database &key owner)
-  (:documentation "List all tables in the given database"))
+  (:documentation "List all tables in the given database")
+  (:method ((database t) &key owner)
+          (declare (ignore owner))
+          (signal-no-database-error database)))
+
+(defgeneric database-list-tables-and-sequences (database &key owner)
+  (:documentation "List all tables in the given database, may include seqeneces")
+  (:method ((database t) &key owner)
+          (declare (ignore owner))
+          (signal-no-database-error database))
+  (:method ((database database) &key owner)
+          (database-list-tables database :owner owner)))
  
 (defgeneric database-list-views (database &key owner)
-  (:documentation "List all views in the DATABASE."))
+  (:documentation "List all views in the DATABASE.")
+  (:method ((database t) &key owner)
+          (declare (ignore owner))
+          (signal-no-database-error database)))
 
 (defgeneric database-list-indexes (database &key owner)
-  (:documentation "List all indexes in the DATABASE."))
+  (:documentation "List all indexes in the DATABASE.")
+  (:method ((database t) &key owner)
+          (declare (ignore owner))
+          (signal-no-database-error database)))
 
 (defgeneric database-list-table-indexes (table database &key owner)
-  (:documentation "List all indexes for a table in the DATABASE."))
+  (:documentation "List all indexes for a table in the DATABASE.")
+  (:method (table (database t) &key owner) 
+          (declare (ignore table owner))
+          (signal-no-database-error database)))
 
 (defgeneric database-list-attributes (table database &key owner)
-  (:documentation "List all attributes in TABLE."))
+  (:documentation "List all attributes in TABLE.")
+  (:method (table (database t) &key owner)
+          (declare (ignore table owner))
+          (signal-no-database-error database)))
 
 (defgeneric database-attribute-type (attribute table database &key owner)
   (:documentation "Return the type of ATTRIBUTE in TABLE. Returns multiple values
-of TYPE_NAME (keyword) PRECISION SCALE NULLABLE."))
+of TYPE_NAME (keyword) PRECISION SCALE NULLABLE.")
+  (:method (attribute table (database t) &key owner)
+          (declare (ignore attribute table owner))
+          (signal-no-database-error database)))
 
 (defgeneric database-add-attribute (table attribute database)
-  (:documentation "Add the attribute to the table."))
+  (:documentation "Add the attribute to the table.")
+  (:method (table attribute (database t))
+          (declare (ignore table attribute))
+          (signal-no-database-error database)))
 
 (defgeneric database-rename-attribute (table oldatt newname database)
-  (:documentation "Rename the attribute in the table to NEWNAME."))
+  (:documentation "Rename the attribute in the table to NEWNAME.")
+  (:method (table oldatt newname (database t))
+          (declare (ignore table oldatt newname))
+          (signal-no-database-error database)))
 
 (defgeneric oid (object)
   (:documentation "Return the unique ID of a database object."))
@@ -275,6 +301,12 @@ of TYPE_NAME (keyword) PRECISION SCALE NULLABLE."))
           t)
   (:documentation "T [default] if database can supports transactions."))
 
+(defgeneric db-type-has-prepared-stmt? (db-type)
+  (:method ((db-type t))
+    nil)
+  (:documentation "T if database backend supports prepared statements."))
+
+
 ;;; Large objects support (Marc Battyani)
 
 (defgeneric database-create-large-object (database)
@@ -289,6 +321,38 @@ of TYPE_NAME (keyword) PRECISION SCALE NULLABLE."))
 (defgeneric database-delete-large-object (object-id database)
   (:documentation "Deletes the large object in the database"))
 
+;; Prepared statements
+
+(defgeneric database-prepare (stmt types database result-types field-names)
+  (:method (stmt types (database t) result-types field-names)
+    (declare (ignore stmt types result-types field-names))
+    (signal-no-database-error database))
+  (:method (stmt types (database database) result-types field-names)
+    (declare (ignore stmt types result-types field-names))
+    (error 'sql-database-error
+          :message
+          (format nil "DATABASE-PREPARE not implemented for ~S" database)))
+  (:documentation "Prepare a statement for later execution."))
+
+(defgeneric database-bind-parameter (prepared-stmt position value)
+  (:method ((pstmt t) position value)
+    (declare (ignore position value))
+    (error 'sql-database-error
+          :message
+          (format nil "database-bind-paremeter not implemented for ~S" pstmt)))
+  (:documentation "Bind a parameter for a prepared statement."))
+
+(defgeneric database-run-prepared (prepared-stmt)
+  (:method ((pstmt t))
+    (error 'sql-database-error
+          :message (format nil "database-run-prepared not specialized for ~S" pstmt)))
+  (:documentation "Execute a prepared statement."))
+
+(defgeneric database-free-prepared (prepared-stmt)
+  (:method ((pstmt t))
+    ;; nothing to do by default
+    nil)
+  (:documentation "Free the resources of a prepared statement."))
 
 ;; Checks for closed database
 
@@ -335,6 +399,4 @@ of TYPE_NAME (keyword) PRECISION SCALE NULLABLE."))
   (unless (is-database-open database)
     (signal-closed-database-error database)))
 
-(defgeneric describe-table (table &key database)
-  (:documentation "Describes a table, returns a list of name/type for columns in table"))