/usr/share/common-lisp/source/hyperobject/sql.lisp is in cl-hyperobject 2.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;;;; *************************************************************************
;;;; FILE IDENTIFICATION
;;;;
;;;; Name: sql.lisp
;;;; Purpose: SQL Generation functions for Hyperobject
;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
;;;; $Id$
;;;;
;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg
;;;; *************************************************************************
(in-package #:hyperobject)
;;;; Metaclass initialization commands
(defun finalize-sql (cl)
(setf (slot-value cl 'drop-table-cmd) (generate-drop-table-cmd
(slot-value cl 'sql-name)))
(let ((esds (class-slots cl)))
(setf (slot-value cl 'create-table-cmd)
(generate-create-table-cmd
cl
(remove-if #'(lambda (esd) (null (esd-stored esd))) esds)))
(setf (slot-value cl 'create-indices-cmds)
(generate-create-indices-cmds (sql-name cl) esds))
(dolist (esd esds)
(when (slot-value esd 'inverse)
(define-inverse cl esd))))
)
(defun define-inverse (class esd)
"Define an inverse function for a slot"
(let ((inverse (slot-value esd 'inverse)))
(when inverse
(eval
`(defun ,inverse (obj)
(format t "~&Finding key: ~S for class ~S ~%" obj ,class)
;; create inverse function
))
))
)
(defun generate-create-table-cmd (cl esds)
(with-output-to-string (s)
(format s "CREATE TABLE ~A (~{~A~^, ~})"
(slot-value cl 'sql-name)
(loop for esd in esds
collect
(concatenate
'string
(slot-value esd 'sql-name)
" "
(sql-type-to-field-string (slot-value esd 'sql-type)
(slot-value esd 'sql-length)))))))
(defun sql-type-to-field-string (type length)
(ecase type
(:string
(cond
((null length)
"LONGTEXT")
((< length 8)
(format nil "CHAR(~d)" length))
(t
(format nil "VARCHAR(~d)" length))))
(:varchar
(cond
((null length)
"LONGTEXT")
(t
(format nil "VARCHAR(~d)" length))))
(:text
"LONGTEXT")
(:datetime
"VARCHAR(20)")
(:char
(unless length
(setq length 1))
(format nil "CHAR(~D)" length))
((or :fixnum :integer)
"INTEGER")
(:boolean
"CHAR(1)")
(:long-integer
"BIGINT")
((or :short-float :float)
"SINGLE")
(:long-float
"DOUBLE")))
(defun generate-drop-table-cmd (table-name)
(format nil "DROP TABLE ~a" table-name))
(defun generate-create-indices-cmds (table-name slots)
(let (indices)
(dolist (slot slots)
(when (slot-value slot 'indexed)
(let ((sql-name (slot-value slot 'sql-name)))
(push (sql-cmd-index table-name sql-name (slot-value slot 'unique))
indices))))
indices))
(defun sql-cmd-index (table field unique)
(let ((*print-circle* nil))
(format nil "CREATE ~AINDEX ~A ON ~A(~A)"
(if unique "UNIQUE " "")
(sql-index-name table field)
table
field)))
(defun sql-index-name (table field)
(format nil "~A_~A" table field))
;;;; Runtime Commands
(defgeneric sql-create (cl))
(defmethod sql-create (cl)
(with-sql-connection (conn)
(sql-execute (slot-value cl 'create-table-cmd) conn)
(dolist (cmd (slot-value cl 'create-indices-cmds))
(sql-execute cmd conn))
(values)))
(defgeneric sql-drop (cl))
(defmethod sql-drop (cl)
(mutex-sql-execute (slot-value cl 'drop-table-cmd))
(values))
#|
(defmethod sql-insert (obj)
(mutex-sql-execute
(format nil "INSERT INTO ~a (~a) VALUES (~a)"
(sql-name self) (sql-cmd-field-names self) (format-values self))))
(defmethod sql-select (obj lisp-name key)
(let ((tuple
(car
(mutex-sql-query
(format nil "SELECT ~a FROM ~a WHERE ~a=~a"
(sql-cmd-field-names self) (sql-name self)
(inverse-field-name self) key)))))
(when tuple
(format t "process returned fields"))))
(defun format-values (self)
(let ((values "")
(fields (fields self)))
(dolist (field fields)
(unless (eq field (car fields))
(string-append values ","))
(let ((name (car field)))
(with-key-value-list (key value (rest field))
(when (eq key :type)
(string-append values
(ecase value
((:fixnum :bigint :short-float :double-float)
(write-to-string
(slot-value self name)))
((:string :text)
(format nil "'~a'"
(add-sql-quotes
(slot-value self name))))))))))
values))
(defun inverse-field-string (fields)
(let (inverse)
(dolist (field fields)
(let ((name-string (write-to-string (car field))))
(with-key-value-list (key value (rest field))
(when (eq key :inverse)
(setq inverse value)))))
(when inverse
(write-to-string inverse))))
(defun row-field-string (fields)
(let ((names ""))
(dolist (field fields)
(unless (eq field (car fields))
(string-append names ","))
(string-append names (lisp-name-to-sql-name (car field))))
names))
(defun parse-fields (table-name fields)
(let (class-fields)
(dolist (field fields)
(let* ((fname (car field))
(name-string (write-to-string fname))
(initarg (intern name-string :keyword))concat-symbol
(def (list fname))
(options (rest field)))
(with-key-value-list (key value options)
(case key
(:type
(setq def (nconc def (list :type
(ecase value
(:string
'string)
(:fixnum
'fixnum)
(:long-integer
'integer)
(:short-float
'short-float)
(:long
'long-float)
(:text
'string))))))))
(setq def (nconc def (list
:initarg initarg
:accessor (concat-symbol
(write-to-string table-name) "-"
(write-to-string fname)))))
(push def class-fields)))
class-fields))
||#
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