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value->string

draft
kimory 2022-10-18 22:36:30 +02:00
parent 32155d7690
commit 9c110610ae
1 changed files with 11 additions and 17 deletions
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src/main.lisp
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@ -24,6 +24,12 @@
(defun number->filename (number) (defun number->filename (number)
(format nil "~15,'0D" number)) (format nil "~15,'0D" number))
(defun value->string (value)
(typecase value
(string value)
(symbol (symbol-name value))
(t (format nil "~A" value))))
; index = 1-1 ; index = 1-1
; partition = 1-n ; partition = 1-n
(defstruct db (defstruct db
@ -66,19 +72,13 @@
; Example: returns "./storage/cars/partitions/by_color/Red/". ; Example: returns "./storage/cars/partitions/by_color/Red/".
(defun db/partition/get-directory-path (dbpath name object-attribute) (defun db/partition/get-directory-path (dbpath name object-attribute)
(let ((value (typecase object-attribute (let ((value (value->string object-attribute)))
(string object-attribute) (concatenate 'string dbpath "/partitions/by_" name "/" value "/")))
(symbol (symbol-name object-attribute))
(t (format nil "~A" object-attribute)))))
(concatenate 'string dbpath "/partitions/by_" name "/" value "/")))
; Example: "./storage/cars/" "name" #'vehicle-name object -> "./storage/cars/indexes/by_name/Corvet". ; Example: "./storage/cars/" "name" #'vehicle-name object -> "./storage/cars/indexes/by_name/Corvet".
(defun db/index/get-symlink-path (dbpath index-name fsymbol object) (defun db/index/get-symlink-path (dbpath index-name fsymbol object)
(let* ((value (funcall fsymbol object)) (let* ((value (funcall fsymbol object))
(symlink-basename (typecase value (symlink-basename (value->string value)))
(string value)
(symbol (symbol-name value))
(t (format nil "~A" value)))))
(concatenate 'string (concatenate 'string
(db/index/get-directory-path dbpath index-name) (db/index/get-directory-path dbpath index-name)
symlink-basename))) symlink-basename)))
@ -225,10 +225,7 @@
; Search for the data from the FS. ; Search for the data from the FS.
(defun db/get-by-index (database index-name attribute-value) (defun db/get-by-index (database index-name attribute-value)
(let ((value (typecase attribute-value (let ((value (value->string attribute-value)))
(string attribute-value)
(symbol (symbol-name attribute-value))
(t (format nil "~A" attribute-value)))))
(filename->integer (filename->integer
(osicat:read-link (osicat:read-link
(concatenate 'string (concatenate 'string
@ -236,10 +233,7 @@
; Search for the data from the FS. ; Search for the data from the FS.
(defun db/get-by-partition (database name attribute-value) (defun db/get-by-partition (database name attribute-value)
(let ((value (typecase attribute-value (let ((value (value->string attribute-value))
(string attribute-value)
(symbol (symbol-name attribute-value))
(t (format nil "~A" attribute-value))))
(dbpath (db-path database))) (dbpath (db-path database)))
(loop for filename in (osicat:list-directory (db/partition/get-directory-path dbpath name value)) (loop for filename in (osicat:list-directory (db/partition/get-directory-path dbpath name value))
collect (filename->integer filename)))) collect (filename->integer filename))))