(defvar *sql-stream* nil
"stream which accumulates SQL output")
-(defvar *default-schema* "UNCOMMONSQL")
-
-(defvar *object-schemas* (make-hash-table :test #'equal)
- "Hash of schema name to class constituent lists.")
-
-(defun in-schema (schemaname)
- (setf *default-schema* schemaname))
-
(defun sql-output (sql-expr &optional database)
(progv '(*sql-stream*)
`(,(make-string-output-stream))
(defclass %sql-expression ()
())
-(defmethod output-sql ((expr %sql-expression) &optional
- (database *default-database*))
+(defmethod output-sql ((expr %sql-expression) database)
(declare (ignore database))
(write-string +null-string+ *sql-stream*))
sql
`(make-instance 'sql :string ',text)))
-(defmethod output-sql ((expr sql) &optional (database *default-database*))
+(defmethod output-sql ((expr sql) database)
(declare (ignore database))
(write-string (slot-value expr 'text) *sql-stream*)
t)
(defmethod print-object ((ident sql) stream)
(format stream "#<~S \"~A\">"
(type-of ident)
- (sql-output ident)))
+ (sql-output ident nil)))
;; For SQL Identifiers of generic type
(defclass sql-ident (%sql-expression)
(defvar *output-hash* (make-hash-table :test #'equal))
-(defmethod output-sql-hash-key (expr &optional (database *default-database*))
+(defmethod output-sql-hash-key (expr database)
(declare (ignore expr database))
nil)
-(defmethod output-sql :around ((sql t) &optional (database *default-database*))
- (declare (ignore database))
- (let* ((hash-key (output-sql-hash-key sql))
+#+ignore
+(defmethod output-sql :around ((sql t) database)
+ (let* ((hash-key (output-sql-hash-key sql database))
(hash-value (when hash-key (gethash hash-key *output-hash*))))
(cond ((and hash-key hash-value)
(write-string hash-value *sql-stream*))
(t
(call-next-method)))))
-(defmethod output-sql ((expr sql-ident) &optional
- (database *default-database*))
- (declare (ignore database))
+(defmethod output-sql ((expr sql-ident) database)
(with-slots (name)
- expr
- (etypecase name
- (string
- (write-string name *sql-stream*))
- (symbol
- (write-string (symbol-name name) *sql-stream*)))
- t))
+ expr
+ (write-string
+ (convert-to-db-default-case
+ (etypecase name
+ (string name)
+ (symbol (symbol-name name)))
+ database)
+ *sql-stream*))
+ t)
;; For SQL Identifiers for attributes
:qualifier ',qualifier
:type ',type)))
-(defmethod output-sql ((expr sql-ident-attribute) &optional
- (database *default-database*))
- (declare (ignore database))
+(defmethod output-sql ((expr sql-ident-attribute) database)
(with-slots (qualifier name type params)
- expr
- (if (and name (not qualifier) (not type))
- (write-string (sql-escape (symbol-name name)) *sql-stream*)
- (format *sql-stream* "~@[~A.~]~A~@[ ~A~]"
- (if qualifier (sql-escape qualifier) qualifier)
- (sql-escape name)
- type))
+ expr
+ (if (and (not qualifier) (not type))
+ (write-string (sql-escape (convert-to-db-default-case
+ (symbol-name name) database)) *sql-stream*)
+ ;;; KMR: The TYPE field is used by CommonSQL for type conversion -- it
+ ;;; should not be output in SQL statements
+ #+ignore
+ (format *sql-stream* "~@[~A.~]~A~@[ ~A~]"
+ (when qualifier
+ (convert-to-db-default-case (sql-escape qualifier) database))
+ (sql-escape (convert-to-db-default-case name database))
+ (when type
+ (convert-to-db-default-case (symbol-name type) database)))
+ (format *sql-stream* "~@[~A.~]~A"
+ (when qualifier
+ (convert-to-db-default-case (sql-escape qualifier) database))
+ (sql-escape (convert-to-db-default-case name database))))
t))
-(defmethod output-sql-hash-key ((expr sql-ident-attribute) &optional
- (database *default-database*))
+(defmethod output-sql-hash-key ((expr sql-ident-attribute) database)
(declare (ignore database))
(with-slots (qualifier name type params)
expr
(declare (ignore environment))
(with-slots (alias name)
sql
- `(make-instance 'sql-ident-table :name name :alias ',alias)))
+ `(make-instance 'sql-ident-table :name ',name :table-alias ',alias)))
-(defun generate-sql (expr)
+(defun generate-sql (expr database)
(let ((*sql-stream* (make-string-output-stream)))
- (output-sql expr)
+ (output-sql expr database)
(get-output-stream-string *sql-stream*)))
-(defmethod output-sql ((expr sql-ident-table) &optional
- (database *default-database*))
- (declare (ignore database))
+(defmethod output-sql ((expr sql-ident-table) database)
(with-slots (name alias)
expr
(if (null alias)
- (write-string (sql-escape (symbol-name name)) *sql-stream*)
+ (write-string (sql-escape (convert-to-db-default-case (symbol-name name) database)) *sql-stream*)
(progn
- (write-string (sql-escape (symbol-name name)) *sql-stream*)
+ (write-string (sql-escape (convert-to-db-default-case (symbol-name name) database)) *sql-stream*)
(write-char #\Space *sql-stream*)
(format *sql-stream* "~s" alias))))
t)
|#
-(defmethod output-sql-hash-key ((expr sql-ident-table) &optional
- (database *default-database*))
+(defmethod output-sql-hash-key ((expr sql-ident-table) database)
(declare (ignore database))
(with-slots (name alias)
expr
;; Write SQL for relational operators (like 'AND' and 'OR').
;; should do arity checking of subexpressions
-(defmethod output-sql ((expr sql-relational-exp) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-relational-exp) database)
(with-slots (operator sub-expressions)
expr
(let ((subs (if (consp (car sub-expressions))
;; Write SQL for relational operators (like 'AND' and 'OR').
;; should do arity checking of subexpressions
-(defmethod output-sql ((expr sql-upcase-like) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-upcase-like) database)
(flet ((write-term (term)
(write-string "upper(" *sql-stream*)
(output-sql term database)
(:documentation "An SQL Assignment expression."))
-(defmethod output-sql ((expr sql-assignment-exp) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-assignment-exp) database)
(with-slots (operator sub-expressions)
expr
(do ((sub sub-expressions (cdr sub)))
-(defmethod output-sql ((expr sql-value-exp) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-value-exp) database)
(with-slots (modifier components)
expr
(if modifier
()
(:documentation "An SQL typecast expression."))
-(defmethod output-sql ((expr sql-typecast-exp) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-typecast-exp) database)
(database-output-sql expr database))
(defmethod database-output-sql ((expr sql-typecast-exp) database)
(equal (slot-value tab1 'name)
(slot-value tab2 'name))))))
-(defmethod output-sql ((expr sql-function-exp) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-function-exp) database)
(with-slots (name args)
expr
(output-sql name database)
(when args (output-sql args database)))
t)
+
+(defclass sql-between-exp (sql-function-exp)
+ ()
+ (:documentation "An SQL between expression."))
+
+(defmethod output-sql ((expr sql-between-exp) database)
+ (with-slots (name args)
+ expr
+ (output-sql (first args) database)
+ (write-string " BETWEEN " *sql-stream*)
+ (output-sql (second args) database)
+ (write-string " AND " *sql-stream*)
+ (output-sql (third args) database))
+ t)
+
+(defclass sql-query-modifier-exp (%sql-expression)
+ ((modifier :initarg :modifier :initform nil)
+ (components :initarg :components :initform nil))
+ (:documentation "An SQL query modifier expression."))
+
+(defmethod output-sql ((expr sql-query-modifier-exp) database)
+ (with-slots (modifier components)
+ expr
+ (output-sql modifier database)
+ (write-string " " *sql-stream*)
+ (output-sql (car components) database)
+ (when components
+ (mapc #'(lambda (comp)
+ (write-string ", " *sql-stream*)
+ (output-sql comp database))
+ (cdr components))))
+ t)
+
+(defclass sql-set-exp (%sql-expression)
+ ((operator
+ :initarg :operator
+ :initform nil)
+ (sub-expressions
+ :initarg :sub-expressions
+ :initform nil))
+ (:documentation "An SQL set expression."))
+
+(defmethod collect-table-refs ((sql sql-set-exp))
+ (let ((tabs nil))
+ (dolist (exp (slot-value sql 'sub-expressions))
+ (let ((refs (collect-table-refs exp)))
+ (if refs (setf tabs (append refs tabs)))))
+ (remove-duplicates tabs
+ :test (lambda (tab1 tab2)
+ (equal (slot-value tab1 'name)
+ (slot-value tab2 'name))))))
+
+(defmethod output-sql ((expr sql-set-exp) database)
+ (with-slots (operator sub-expressions)
+ expr
+ (let ((subs (if (consp (car sub-expressions))
+ (car sub-expressions)
+ sub-expressions)))
+ (do ((sub subs (cdr sub)))
+ ((null (cdr sub)) (output-sql (car sub) database))
+ (output-sql (car sub) database)
+ (write-char #\Space *sql-stream*)
+ (output-sql operator database)
+ (write-char #\Space *sql-stream*))))
+ t)
+
(defclass sql-query (%sql-expression)
((selections
:initarg :selections
:initform nil)
(order-by-descending
:initarg :order-by-descending
+ :initform nil)
+ (inner-join
+ :initarg :inner-join
+ :initform nil)
+ (on
+ :initarg :on
:initform nil))
(:documentation "An SQL SELECT query."))
+(defclass sql-object-query (%sql-expression)
+ ((objects
+ :initarg :objects
+ :initform nil)
+ (flatp
+ :initarg :flatp
+ :initform nil)
+ (exp
+ :initarg :exp
+ :initform nil)
+ (refresh
+ :initarg :refresh
+ :initform nil)))
+
(defmethod collect-table-refs ((sql sql-query))
(remove-duplicates (collect-table-refs (slot-value sql 'where))
:test (lambda (tab1 tab2)
(defvar *select-arguments*
'(:all :database :distinct :flatp :from :group-by :having :order-by
- :order-by-descending :set-operation :where :offset :limit))
+ :order-by-descending :set-operation :where :offset :limit
+ :inner-join :on
+ ;; below keywords are not a SQL argument, but these keywords may terminate select
+ :caching :refresh))
(defun query-arg-p (sym)
(member sym *select-arguments*))
(subseq select-args first-key-arg))
select-args)))
-(defmethod make-query (&rest args)
- (multiple-value-bind (selections arglist)
- (query-get-selections args)
- (destructuring-bind (&key all flatp set-operation distinct from where
- group-by having order-by order-by-descending
- offset limit &allow-other-keys)
- arglist
- (if (null selections)
- (error "No target columns supplied to select statement."))
- (if (null from)
- (error "No source tables supplied to select statement."))
- (make-instance 'sql-query :selections selections
- :all all :flatp flatp :set-operation set-operation
- :distinct distinct :from from :where where
- :limit limit :offset offset
- :group-by group-by :having having :order-by order-by
- :order-by-descending order-by-descending))))
+(defun make-query (&rest args)
+ (flet ((select-objects (target-args)
+ (and target-args
+ (every #'(lambda (arg)
+ (and (symbolp arg)
+ (find-class arg nil)))
+ target-args))))
+ (multiple-value-bind (selections arglist)
+ (query-get-selections args)
+ (if (select-objects selections)
+ (destructuring-bind (&key flatp refresh &allow-other-keys) arglist
+ (make-instance 'sql-object-query :objects selections
+ :flatp flatp :refresh refresh
+ :exp arglist))
+ (destructuring-bind (&key all flatp set-operation distinct from where
+ group-by having order-by order-by-descending
+ offset limit inner-join on &allow-other-keys)
+ arglist
+ (if (null selections)
+ (error "No target columns supplied to select statement."))
+ (if (null from)
+ (error "No source tables supplied to select statement."))
+ (make-instance 'sql-query :selections selections
+ :all all :flatp flatp :set-operation set-operation
+ :distinct distinct :from from :where where
+ :limit limit :offset offset
+ :group-by group-by :having having :order-by order-by
+ :order-by-descending order-by-descending
+ :inner-join inner-join :on on))))))
(defvar *in-subselect* nil)
-(defmethod output-sql ((query sql-query) &optional
- (database *default-database*))
+(defmethod output-sql ((query sql-query) database)
(with-slots (distinct selections from where group-by having order-by
- order-by-descending limit offset)
+ order-by-descending limit offset inner-join on)
query
(when *in-subselect*
(write-string "(" *sql-stream*))
(output-sql distinct database)
(write-char #\Space *sql-stream*)))
(output-sql (apply #'vector selections) database)
- (write-string " FROM " *sql-stream*)
- (if (listp from)
- (output-sql (apply #'vector from) database)
- (output-sql from database))
+ (when from
+ (write-string " FROM " *sql-stream*)
+ (if (listp from)
+ (output-sql (apply #'vector from) database)
+ (output-sql from database)))
+ (when inner-join
+ (write-string " INNER JOIN " *sql-stream*)
+ (output-sql inner-join database))
+ (when on
+ (write-string " ON " *sql-stream*)
+ (output-sql on database))
(when where
(write-string " WHERE " *sql-stream*)
(let ((*in-subselect* t))
(write-string ")" *sql-stream*)))
t)
+(defmethod output-sql ((query sql-object-query) database)
+ (with-slots (objects)
+ query
+ (when objects
+ (format *sql-stream* "(~{~A~^ ~})" objects))))
+
+
;; INSERT
(defclass sql-insert (%sql-expression)
(:documentation
"An SQL INSERT statement."))
-(defmethod output-sql ((ins sql-insert) &optional
- (database *default-database*))
+(defmethod output-sql ((ins sql-insert) database)
(with-slots (into attributes values query)
ins
(write-string "INSERT INTO " *sql-stream*)
(:documentation
"An SQL DELETE statement."))
-(defmethod output-sql ((stmt sql-delete) &optional
- (database *default-database*))
+(defmethod output-sql ((stmt sql-delete) database)
(with-slots (from where)
stmt
(write-string "DELETE FROM " *sql-stream*)
:initform nil))
(:documentation "An SQL UPDATE statement."))
-(defmethod output-sql ((expr sql-update) &optional
- (database *default-database*))
+(defmethod output-sql ((expr sql-update) database)
(with-slots (table where attributes values)
expr
(flet ((update-assignments ()
:initform nil)
(modifiers
:initarg :modifiers
+ :initform nil)
+ (transactions
+ :initarg :transactions
:initform nil))
(:documentation
"An SQL CREATE TABLE statement."))
;; Here's a real warhorse of a function!
+(declaim (inline listify))
(defun listify (x)
(if (atom x)
(list x)
x))
-(defmethod output-sql ((stmt sql-create-table) &optional
- (database *default-database*))
+(defmethod output-sql ((stmt sql-create-table) database)
(flet ((output-column (column-spec)
- (destructuring-bind (name type &rest constraints)
+ (destructuring-bind (name type &optional db-type &rest constraints)
column-spec
(let ((type (listify type)))
(output-sql name database)
(write-char #\Space *sql-stream*)
(write-string
- (database-get-type-specifier (car type) (cdr type) database)
+ (if (stringp db-type) db-type ; override definition
+ (database-get-type-specifier (car type) (cdr type) database))
*sql-stream*)
(let ((constraints
(database-constraint-statement constraints database)))
(when constraints
(write-string " " *sql-stream*)
(write-string constraints *sql-stream*)))))))
- (with-slots (name columns modifiers)
+ (with-slots (name columns modifiers transactions)
stmt
(write-string "CREATE TABLE " *sql-stream*)
(output-sql name database)
((null modifier))
(write-string ", " *sql-stream*)
(write-string (car modifier) *sql-stream*)))
- (write-char #\) *sql-stream*)))
+ (write-char #\) *sql-stream*)
+ (when (and (eq :mysql (database-underlying-type database))
+ transactions
+ (db-type-transaction-capable? :mysql database))
+ (write-string " Type=InnoDB" *sql-stream*))))
t)
(with-check-option :initarg :with-check-option :initform nil))
(:documentation "An SQL CREATE VIEW statement."))
-(defmethod output-sql ((stmt sql-create-view) &optional database)
+(defmethod output-sql ((stmt sql-create-view) database)
(with-slots (name column-list query with-check-option) stmt
(write-string "CREATE VIEW " *sql-stream*)
(output-sql name database)
;; Column constraint types
;;
(defparameter *constraint-types*
- '(("NOT-NULL" . "NOT NULL")
- ("PRIMARY-KEY" . "PRIMARY KEY")))
+ (list
+ (cons (symbol-name-default-case "NOT-NULL") "NOT NULL")
+ (cons (symbol-name-default-case "PRIMARY-KEY") "PRIMARY KEY")))
;;
;; Convert type spec to sql syntax
projects / clsql.git / blobdiff