r11859: Canonicalize whitespace
[clsql.git] / db-postgresql / postgresql-sql.lisp
index a3f9b885f442c41b6296ebc1740afeb5d2567127..2ab36e0adb524cd526529be2c6af3d8ba6d72e94 100644 (file)
     (dotimes (i num-fields)
       (declare (fixnum i))
       (let* ((type (PQftype res-ptr i)))
-       (push
-        (case type
-          ((#.pgsql-ftype#bytea
-            #.pgsql-ftype#int2
-            #.pgsql-ftype#int4)
-           :int32)
-          (#.pgsql-ftype#int8
-           :int64)
-          ((#.pgsql-ftype#float4
-            #.pgsql-ftype#float8)
-           :double)
-          (otherwise
-           t))
-        new-types)))
+        (push
+         (case type
+           ((#.pgsql-ftype#bytea
+             #.pgsql-ftype#int2
+             #.pgsql-ftype#int4)
+            :int32)
+           (#.pgsql-ftype#int8
+            :int64)
+           ((#.pgsql-ftype#float4
+             #.pgsql-ftype#float8)
+            :double)
+           (otherwise
+            t))
+         new-types)))
       (nreverse new-types)))
 
 (defun canonicalize-types (types num-fields res-ptr)
   (if (null types)
       nil
       (let ((auto-list (make-type-list-for-auto num-fields res-ptr)))
-       (cond
-         ((listp types)
-          (canonicalize-type-list types auto-list))
-         ((eq types :auto)
-          auto-list)
-         (t
-          nil)))))
+        (cond
+          ((listp types)
+           (canonicalize-type-list types auto-list))
+          ((eq types :auto)
+           auto-list)
+          (t
+           nil)))))
 
 (defun tidy-error-message (message)
   (unless (stringp message)
@@ -70,7 +70,7 @@
        message))))
 
 (defmethod database-initialize-database-type ((database-type
-                                              (eql :postgresql)))
+                                               (eql :postgresql)))
   t)
 
 (uffi:def-type pgsql-conn-def pgsql-conn)
@@ -79,7 +79,7 @@
 
 (defclass postgresql-database (generic-postgresql-database)
   ((conn-ptr :accessor database-conn-ptr :initarg :conn-ptr
-            :type pgsql-conn-def)
+             :type pgsql-conn-def)
    (lock
     :accessor database-lock
     :initform (make-process-lock "conn"))))
   :postgresql)
 
 (defmethod database-name-from-spec (connection-spec (database-type
-                                                    (eql :postgresql)))
+                                                     (eql :postgresql)))
   (check-connection-spec connection-spec database-type
-                        (host db user password &optional port options tty))
+                         (host db user password &optional port options tty))
   (destructuring-bind (host db user password &optional port options tty)
       connection-spec
     (declare (ignore password options tty))
-    (concatenate 'string 
+    (concatenate 'string
       (etypecase host
-       (null "localhost")
-       (pathname (namestring host))
-       (string host))
-      (when port 
-       (concatenate 'string
-                    ":"
-                    (etypecase port
-                      (integer (write-to-string port))
-                      (string port))))
+        (null "localhost")
+        (pathname (namestring host))
+        (string host))
+      (when port
+        (concatenate 'string
+                     ":"
+                     (etypecase port
+                       (integer (write-to-string port))
+                       (string port))))
       "/" db "/" user)))
 
 
 (defmethod database-connect (connection-spec (database-type (eql :postgresql)))
   (check-connection-spec connection-spec database-type
-                        (host db user password &optional port options tty))
+                         (host db user password &optional port options tty))
   (destructuring-bind (host db user password &optional port options tty)
       connection-spec
     (uffi:with-cstrings ((host-native host)
-                        (user-native user)
-                        (password-native password)
-                        (db-native db)
-                        (port-native port)
-                        (options-native options)
-                        (tty-native tty))
+                         (user-native user)
+                         (password-native password)
+                         (db-native db)
+                         (port-native port)
+                         (options-native options)
+                         (tty-native tty))
       (let ((connection (PQsetdbLogin host-native port-native
-                                     options-native tty-native
-                                     db-native user-native
-                                     password-native)))
-       (declare (type pgsql-conn-def connection))
-       (when (not (eq (PQstatus connection) 
-                      pgsql-conn-status-type#connection-ok))
+                                      options-native tty-native
+                                      db-native user-native
+                                      password-native)))
+        (declare (type pgsql-conn-def connection))
+        (when (not (eq (PQstatus connection)
+                       pgsql-conn-status-type#connection-ok))
           (let ((pqstatus (PQstatus connection))
                 (pqmessage (tidy-error-message (PQerrorMessage connection))))
             (PQfinish connection)
                    :connection-spec connection-spec
                    :error-id pqstatus
                    :message  pqmessage)))
-       (make-instance 'postgresql-database
-                      :name (database-name-from-spec connection-spec
-                                                     database-type)
-                      :database-type :postgresql
-                      :connection-spec connection-spec
-                      :conn-ptr connection)))))
+        (make-instance 'postgresql-database
+                       :name (database-name-from-spec connection-spec
+                                                      database-type)
+                       :database-type :postgresql
+                       :connection-spec connection-spec
+                       :conn-ptr connection)))))
 
 
 (defmethod database-disconnect ((database postgresql-database))
                  :message (tidy-error-message (PQerrorMessage conn-ptr))))
         (unwind-protect
             (case (PQresultStatus result)
-             ;; User gave a command rather than a query 
+              ;; User gave a command rather than a query
               (#.pgsql-exec-status-type#command-ok
                nil)
               (#.pgsql-exec-status-type#empty-query
                nil)
               (#.pgsql-exec-status-type#tuples-ok
-              (let ((num-fields (PQnfields result)))
-                (when result-types
-                  (setq result-types
-                    (canonicalize-types result-types num-fields
-                                        result)))
-                (let ((res (loop for tuple-index from 0 below (PQntuples result)
-                               collect
-                                 (loop for i from 0 below num-fields
-                                     collect
-                                       (if (zerop (PQgetisnull result tuple-index i))
-                                           (convert-raw-field
-                                            (PQgetvalue result tuple-index i)
-                                            result-types i)
-                                         nil)))))
-                  (if field-names
-                      (values res (result-field-names num-fields result))
-                    res))))
+               (let ((num-fields (PQnfields result)))
+                 (when result-types
+                   (setq result-types
+                     (canonicalize-types result-types num-fields
+                                         result)))
+                 (let ((res (loop for tuple-index from 0 below (PQntuples result)
+                                collect
+                                  (loop for i from 0 below num-fields
+                                      collect
+                                        (if (zerop (PQgetisnull result tuple-index i))
+                                            (convert-raw-field
+                                             (PQgetvalue result tuple-index i)
+                                             result-types i)
+                                          nil)))))
+                   (if field-names
+                       (values res (result-field-names num-fields result))
+                     res))))
               (t
                (error 'sql-database-data-error
                       :database database
                       :expression query-expression
                       :error-id (PQresultStatus result)
                       :message (tidy-error-message
-                               (PQresultErrorMessage result)))))
+                                (PQresultErrorMessage result)))))
           (PQclear result))))))
 
 (defun result-field-names (num-fields result)
                       :expression sql-expression
                       :error-id (PQresultErrorField result +PG-DIAG-SQLSTATE+)
                       :message (tidy-error-message
-                               (PQresultErrorMessage result)))))
+                                (PQresultErrorMessage result)))))
           (PQclear result))))))
 
 (defstruct postgresql-result-set
-  (res-ptr (uffi:make-null-pointer 'pgsql-result) 
-          :type pgsql-result-def)
-  (types nil) 
+  (res-ptr (uffi:make-null-pointer 'pgsql-result)
+           :type pgsql-result-def)
+  (types nil)
   (num-tuples 0 :type integer)
   (num-fields 0 :type integer)
   (tuple-index 0 :type integer))
 
 (defmethod database-query-result-set ((query-expression string)
-                                     (database postgresql-database) 
+                                      (database postgresql-database)
                                       &key full-set result-types)
   (let ((conn-ptr (database-conn-ptr database)))
     (declare (type pgsql-conn-def conn-ptr))
         (case (PQresultStatus result)
           ((#.pgsql-exec-status-type#empty-query
             #.pgsql-exec-status-type#tuples-ok)
-          (let ((result-set (make-postgresql-result-set
+           (let ((result-set (make-postgresql-result-set
                         :res-ptr result
                         :num-fields (PQnfields result)
                         :num-tuples (PQntuples result)
-                       :types (canonicalize-types 
-                                     result-types
-                                     (PQnfields result)
-                                     result))))
-            (if full-set
-                (values result-set
-                        (PQnfields result)
-                        (PQntuples result))
-                (values result-set
-                        (PQnfields result)))))
-         (t
-          (unwind-protect
+                        :types (canonicalize-types
+                                      result-types
+                                      (PQnfields result)
+                                      result))))
+             (if full-set
+                 (values result-set
+                         (PQnfields result)
+                         (PQntuples result))
+                 (values result-set
+                         (PQnfields result)))))
+          (t
+           (unwind-protect
                (error 'sql-database-data-error
                       :database database
                       :expression query-expression
                       :error-id (PQresultStatus result)
                       :message (tidy-error-message
-                               (PQresultErrorMessage result)))
+                                (PQresultErrorMessage result)))
              (PQclear result))))))))
-  
+
 (defmethod database-dump-result-set (result-set (database postgresql-database))
-  (let ((res-ptr (postgresql-result-set-res-ptr result-set))) 
+  (let ((res-ptr (postgresql-result-set-res-ptr result-set)))
     (declare (type pgsql-result-def res-ptr))
     (PQclear res-ptr)
     t))
 
-(defmethod database-store-next-row (result-set (database postgresql-database) 
+(defmethod database-store-next-row (result-set (database postgresql-database)
                                     list)
   (let ((result (postgresql-result-set-res-ptr result-set))
-       (types (postgresql-result-set-types result-set)))
+        (types (postgresql-result-set-types result-set)))
     (declare (type pgsql-result-def result))
     (if (>= (postgresql-result-set-tuple-index result-set)
-           (postgresql-result-set-num-tuples result-set))
-       nil
+            (postgresql-result-set-num-tuples result-set))
+        nil
       (loop with tuple-index = (postgresql-result-set-tuple-index result-set)
           for i from 0 below (postgresql-result-set-num-fields result-set)
           for rest on list
               (if (zerop (PQgetisnull result tuple-index i))
                   (convert-raw-field
                    (PQgetvalue result tuple-index i)
-                  types i)
+                   types i)
                 nil))
           finally
             (incf (postgresql-result-set-tuple-index result-set))
 
 (defmethod database-create-large-object ((database postgresql-database))
   (lo-create (database-conn-ptr database)
-            (logior pgsql::+INV_WRITE+ pgsql::+INV_READ+)))
+             (logior pgsql::+INV_WRITE+ pgsql::+INV_READ+)))
 
 
 #+mb-original
 (defmethod database-write-large-object (object-id (data string) (database postgresql-database))
   (let ((ptr (database-conn-ptr database))
-       (length (length data))
-       (result nil)
-       (fd nil))
+        (length (length data))
+        (result nil)
+        (fd nil))
     (with-transaction (:database database)
        (unwind-protect
-         (progn 
-           (setf fd (lo-open ptr object-id pgsql::+INV_WRITE+))
-           (when (>= fd 0)
-             (when (= (lo-write ptr fd data length) length)
-               (setf result t))))
-        (progn
-          (when (and fd (>= fd 0))
-            (lo-close ptr fd))
-          )))
+          (progn
+            (setf fd (lo-open ptr object-id pgsql::+INV_WRITE+))
+            (when (>= fd 0)
+              (when (= (lo-write ptr fd data length) length)
+                (setf result t))))
+         (progn
+           (when (and fd (>= fd 0))
+             (lo-close ptr fd))
+           )))
     result))
 
 (defmethod database-write-large-object (object-id (data string) (database postgresql-database))
   (let ((ptr (database-conn-ptr database))
-       (length (length data))
-       (result nil)
-       (fd nil))
+        (length (length data))
+        (result nil)
+        (fd nil))
     (database-execute-command "begin" database)
     (unwind-protect
-       (progn 
-         (setf fd (lo-open ptr object-id pgsql::+INV_WRITE+))
-         (when (>= fd 0)
-           (when (= (lo-write ptr fd data length) length)
-             (setf result t))))
+        (progn
+          (setf fd (lo-open ptr object-id pgsql::+INV_WRITE+))
+          (when (>= fd 0)
+            (when (= (lo-write ptr fd data length) length)
+              (setf result t))))
       (progn
-       (when (and fd (>= fd 0))
-         (lo-close ptr fd))
-       (database-execute-command (if result "commit" "rollback") database)))
+        (when (and fd (>= fd 0))
+          (lo-close ptr fd))
+        (database-execute-command (if result "commit" "rollback") database)))
     result))
 
 ;; (MB) the begin/commit/rollback stuff will be removed when with-transaction wil be implemented
 ;; (KMR) Can't use with-transaction since that function is in high-level code
 (defmethod database-read-large-object (object-id (database postgresql-database))
   (let ((ptr (database-conn-ptr database))
-       (buffer nil)
-       (result nil)
-       (length 0)
-       (fd nil))
+        (buffer nil)
+        (result nil)
+        (length 0)
+        (fd nil))
     (unwind-protect
        (progn
-        (database-execute-command "begin" database)
-        (setf fd (lo-open ptr object-id pgsql::+INV_READ+))
-        (when (>= fd 0)
-          (setf length (lo-lseek ptr fd 0 2))
-          (lo-lseek ptr fd 0 0)
-          (when (> length 0)
-            (setf buffer (uffi:allocate-foreign-string 
-                          length :unsigned t))
-            (when (= (lo-read ptr fd buffer length) length)
-              (setf result (uffi:convert-from-foreign-string
-                            buffer :length length :null-terminated-p nil))))))
+         (database-execute-command "begin" database)
+         (setf fd (lo-open ptr object-id pgsql::+INV_READ+))
+         (when (>= fd 0)
+           (setf length (lo-lseek ptr fd 0 2))
+           (lo-lseek ptr fd 0 0)
+           (when (> length 0)
+             (setf buffer (uffi:allocate-foreign-string
+                           length :unsigned t))
+             (when (= (lo-read ptr fd buffer length) length)
+               (setf result (uffi:convert-from-foreign-string
+                             buffer :length length :null-terminated-p nil))))))
       (progn
-       (when buffer (uffi:free-foreign-object buffer))
-       (when (and fd (>= fd 0)) (lo-close ptr fd))
-       (database-execute-command (if result "commit" "rollback") database)))
+        (when buffer (uffi:free-foreign-object buffer))
+        (when (and fd (>= fd 0)) (lo-close ptr fd))
+        (database-execute-command (if result "commit" "rollback") database)))
     result))
 
 (defmethod database-delete-large-object (object-id (database postgresql-database))
 ;;; Object listing
 
 
-  
+
 (defmethod database-create (connection-spec (type (eql :postgresql)))
   (destructuring-bind (host name user password) connection-spec
     (declare (ignore user password))
     (multiple-value-bind (output status)
-       (clsql-sys:command-output "createdb -h~A ~A"
-                                      (if host host "localhost")
-                                      name)
+        (clsql-sys:command-output "createdb -h~A ~A"
+                                       (if host host "localhost")
+                                       name)
       (if (or (not (zerop status))
-             (search "database creation failed: ERROR:" output))
-         (error 'sql-database-error
-                :message
-                (format nil "createdb failed for postgresql backend with connection spec ~A."
-                        connection-spec))
-       t))))
+              (search "database creation failed: ERROR:" output))
+          (error 'sql-database-error
+                 :message
+                 (format nil "createdb failed for postgresql backend with connection spec ~A."
+                         connection-spec))
+        t))))
 
 (defmethod database-destroy (connection-spec (type (eql :postgresql)))
   (destructuring-bind (host name user password) connection-spec
     (declare (ignore user password))
     (multiple-value-bind (output status)
-       (clsql-sys:command-output "dropdb -h~A ~A"
-                                      (if host host "localhost")
-                                      name)
+        (clsql-sys:command-output "dropdb -h~A ~A"
+                                       (if host host "localhost")
+                                       name)
       (if (or (not (zerop status))
-             (search "database removal failed: ERROR:" output))
-         (error 'sql-database-error
-                :message
-                (format nil "dropdb failed for postgresql backend with connection spec ~A."
-                        connection-spec))
-       t))))
+              (search "database removal failed: ERROR:" output))
+          (error 'sql-database-error
+                 :message
+                 (format nil "dropdb failed for postgresql backend with connection spec ~A."
+                         connection-spec))
+        t))))
 
 
 (defmethod database-probe (connection-spec (type (eql :postgresql)))
 
 (defun %pg-database-connection (connection-spec)
   (check-connection-spec connection-spec :postgresql
-                        (host db user password &optional port options tty))
+                         (host db user password &optional port options tty))
   (macrolet ((coerce-string (var)
                `(unless (typep ,var 'simple-base-string)
                  (setf ,var (coerce ,var 'simple-base-string)))))
       (let ((connection (PQsetdbLogin host port options tty db user password)))
         (declare (type pgsql::pgsql-conn-ptr connection))
         (unless (eq (PQstatus connection)
-                   pgsql-conn-status-type#connection-ok)
+                    pgsql-conn-status-type#connection-ok)
           ;; Connect failed
           (error 'sql-connection-error
                  :database-type :postgresql
   (let ((lock (database-lock database)))
     (with-process-lock (lock "Reconnecting")
       (with-slots (connection-spec conn-ptr)
-         database
-       (setf conn-ptr (%pg-database-connection connection-spec))
-       database))))
+          database
+        (setf conn-ptr (%pg-database-connection connection-spec))
+        database))))
 
 ;;; Database capabilities