(in-package #:clsql-sys)
-;; Utilities
-
-(defun database-identifier (name database)
- (sql-escape (etypecase name
- ;; honor case of strings
- (string name)
- (sql-ident (sql-output name database))
- (symbol (sql-output name database)))))
-
-
;; Truncate database
(defun truncate-database (&key (database *default-database*))
*DEFAULT-DATABASE*. If the table does not exist and
IF-DOES-NOT-EXIST is :ignore then DROP-TABLE returns nil whereas
an error is signalled if IF-DOES-NOT-EXIST is :error."
- (let ((table-name (database-identifier name database)))
(ecase if-does-not-exist
(:ignore
- (unless (table-exists-p table-name :database database
- :owner owner)
+ (unless (table-exists-p name :database database :owner owner)
(return-from drop-table nil)))
(:error
t))
-
- (let ((expr (etypecase name
- ;; keep quotes for strings for mixed-case names
- (string (format nil "DROP TABLE ~S" table-name))
- ((or symbol sql-ident)
- (concatenate 'string "DROP TABLE " table-name)))))
+
+ (let ((expr (concatenate 'string "DROP TABLE " (escaped-database-identifier name database))))
;; Fixme: move to clsql-oracle
(when (and (find-package 'clsql-oracle)
(eq :oracle (database-type database))
(symbol-name '#:clsql-oracle)))))
(setq expr (concatenate 'string expr " PURGE")))
- (execute-command expr :database database))))
+ (execute-command expr :database database)))
(defun list-tables (&key (owner nil) (database *default-database*))
"Returns a list of strings representing table names in DATABASE
(unless database (setf database *default-database*))
(let ((name (database-identifier name database))
(tables (list-tables :owner owner :database database)))
- (when (member name tables :test #'string-equal)
+ (when (member name tables :test #'database-identifier-equal)
t)))
(defun table-exists-p (name &key (owner nil) (database *default-database*))
parameter. The WITH-CHECK-OPTION is nil by default but if it has
a non-nil value, then all insert/update commands on the view are
checked to ensure that the new data satisfy the query AS."
- (let* ((view-name (etypecase name
- (symbol (sql-expression :attribute name))
- (string (sql-expression :attribute (make-symbol name)))
- (sql-ident name)))
+ (let* ((view-name (database-identifier name))
(stmt (make-instance 'sql-create-view
:name view-name
:column-list column-list
*DEFAULT-DATABASE*. If the view does not exist and
IF-DOES-NOT-EXIST is :ignore then DROP-VIEW returns nil whereas
an error is signalled if IF-DOES-NOT-EXIST is :error."
- (let ((view-name (database-identifier name database)))
(ecase if-does-not-exist
(:ignore
- (unless (view-exists-p view-name :database database)
+ (unless (view-exists-p name :database database)
(return-from drop-view)))
(:error
t))
- (let ((expr (concatenate 'string "DROP VIEW " view-name)))
- (execute-command expr :database database))))
+ (let ((expr (concatenate 'string "DROP VIEW " (escaped-database-identifier name database))))
+ (execute-command expr :database database)))
(defun list-views (&key (owner nil) (database *default-database*))
"Returns a list of strings representing view names in DATABASE
examined. If OWNER is :all then all views are examined."
(when (member (database-identifier name database)
(list-views :owner owner :database database)
- :test #'string-equal)
+ :test #'database-identifier-equal)
t))
ATTRIBUTES. The UNIQUE argument is nil by default but if it has a
non-nil value then the indexed attributes must have unique
values."
- (let* ((index-name (database-identifier name database))
- (table-name (database-identifier on database))
- (attributes (mapcar #'(lambda (a) (database-identifier a database)) (listify attributes)))
+ (let* ((index-name (escaped-database-identifier name database))
+ (table-name (escaped-database-identifier on database))
+ (attributes (mapcar #'(lambda (a) (escaped-database-identifier a database))
+ (listify attributes)))
(stmt (format nil "CREATE ~A INDEX ~A ON ~A (~{~A~^, ~})"
(if unique "UNIQUE" "")
index-name table-name attributes)))
an error is signalled if IF-DOES-NOT-EXIST is :error. The
argument ON allows the optional specification of a table to drop
the index from."
- (let ((index-name (database-identifier name database)))
- (ecase if-does-not-exist
- (:ignore
- (unless (index-exists-p index-name :database database)
- (return-from drop-index)))
- (:error t))
- (let* ((db-type (database-underlying-type database))
- (index-identifier (cond ((db-type-use-fully-qualified-column-on-drop-index? db-type)
- (format nil "~A.~A" (database-identifier on database) index-name))
- ((db-type-use-column-on-drop-index? db-type)
- (format nil "~A ON ~A" index-name (database-identifier on database)))
- (t index-name))))
- (execute-command (format nil "DROP INDEX ~A" index-identifier)
- :database database))))
+ (ecase if-does-not-exist
+ (:ignore
+ (unless (index-exists-p name :database database)
+ (return-from drop-index)))
+ (:error t))
+ (let* ((db-type (database-underlying-type database))
+ (on (when on (escaped-database-identifier on database)))
+ (index-name (escaped-database-identifier name database))
+ (index-identifier
+ (cond ((db-type-use-fully-qualified-column-on-drop-index? db-type)
+ (format nil "~A.~A" on index-name))
+ ((db-type-use-column-on-drop-index? db-type)
+ (format nil "~A ON ~A" index-name on))
+ (t index-name))))
+ (execute-command (format nil "DROP INDEX ~A" index-identifier)
+ :database database)))
(defun list-indexes (&key (owner nil) (database *default-database*) (on nil))
"Returns a list of strings representing index names in DATABASE
such table identifiers."
(if (null on)
(database-list-indexes database :owner owner)
- (let ((tables (typecase on (cons on) (t (list on)))))
- (reduce #'append
- (mapcar #'(lambda (table) (database-list-table-indexes
- (database-identifier table database)
- database :owner owner))
- tables)))))
+ (let ((tables (typecase on
+ (cons on)
+ (t (list on)))))
+ (reduce
+ #'append
+ (mapcar #'(lambda (table)
+ (database-list-table-indexes table database :owner owner))
+ tables)))))
(defun index-exists-p (name &key (owner nil) (database *default-database*))
"Tests for the existence of an SQL index called NAME in DATABASE
examined."
(when (member (database-identifier name database)
(list-indexes :owner owner :database database)
- :test #'string-equal)
+ :test #'database-identifier-equal)
t))
;; Attributes
are listed. If OWNER is a string denoting a user name, only
attributes owned by OWNER are listed. If OWNER is :all then all
attributes are listed."
- (database-list-attributes (database-identifier name database) database
+ (database-list-attributes (escaped-database-identifier name database) database
:owner owner))
(defun attribute-type (attribute table &key (owner nil)
attribute, if it exists, must be owned by OWNER else nil is
returned, whereas if OWNER is :all then the attribute, if it
exists, will be returned regardless of its owner."
- (database-attribute-type (database-identifier attribute database)
- (database-identifier table database)
+ (database-attribute-type (escaped-database-identifier attribute database)
+ (escaped-database-identifier table database)
database
:owner owner))
the fourth is the scale of the attribute and the fifth is 1 if
the attribute accepts null values and otherwise 0."
(with-slots (attribute-cache) database
- (let ((table-ident (database-identifier table database)))
+ (let ((table-ident (escaped-database-identifier table database)))
(multiple-value-bind (val found) (gethash table-ident attribute-cache)
(if (and found (second val))
(second val)
(cons attribute
(multiple-value-list
(database-attribute-type
- (database-identifier attribute
+ (escaped-database-identifier attribute
database)
table-ident
database
*DEFAULT-DATABASE*. If the sequence does not exist and
IF-DOES-NOT-EXIST is :ignore then DROP-SEQUENCE returns nil
whereas an error is signalled if IF-DOES-NOT-EXIST is :error."
- (let ((sequence-name (database-identifier name database)))
- (ecase if-does-not-exist
- (:ignore
- (unless (sequence-exists-p sequence-name :database database)
- (return-from drop-sequence)))
- (:error t))
- (database-drop-sequence sequence-name database))
+ (ecase if-does-not-exist
+ (:ignore
+ (unless (sequence-exists-p name :database database)
+ (return-from drop-sequence)))
+ (:error t))
+ (database-drop-sequence name database)
(values))
(defun list-sequences (&key (owner nil) (database *default-database*))
examined. If OWNER is a string denoting a user name, only
sequences owned by OWNER are examined. If OWNER is :all then all
sequences are examined."
- (when (member (database-identifier name database)
- (list-sequences :owner owner :database database)
- :test #'string-equal)
- t))
+ (let ((seqs (list-sequences :owner owner :database database))
+ ;; handle symbols, we know the db will return strings
+ (n1 (database-identifier name database))
+ (n2 (%sequence-name-to-table name database)))
+ (when (or (member n1 seqs :test #'database-identifier-equal)
+ (member n2 seqs :test #'database-identifier-equal))
+ t)))
(defun sequence-next (name &key (database *default-database*))
"Increment and return the next value in the sequence called
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