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db: more information on sqlite3 errors

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This commit is contained in:
Ryan Culpepper 2014-10-30 15:51:13 -04:00
parent a88c79fd5b
commit b2434ab5b9
2 changed files with 29 additions and 7 deletions
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33
racket/collects/db/private/sqlite3/connection.rkt
View File

@ -17,7 +17,8 @@
(define connection%
(class* statement-cache% (connection<%>)
(init db)
(init-private busy-retry-limit
(init-private db-spec ;; #f or (list path mode)
busy-retry-limit
busy-retry-delay)
(define -db db)
@ -365,7 +366,7 @@
(when (memv (simplify-status full-s) maybe-rollback-status-list)
(when (and saved-tx-status -db (not (read-tx-status))) ;; was in trans, now not
(set-tx-status! who 'invalid)))
(handle-status* who full-s -db))
(handle-status* who full-s -db db-spec))
;; ----
@ -381,11 +382,13 @@
;; ----------------------------------------
;; handle-status : symbol integer -> integer
;; handle-status* : symbol integer [...] -> integer
;; Returns the status code if no error occurred, otherwise
;; raises an exception with an appropriate message.
(define (handle-status* who full-s db)
(define (handle-status* who full-s db [db-spec #f])
(define s (simplify-status full-s))
(define db-file (and db-spec (car db-spec)))
(define db-mode (and db-spec (cadr db-spec)))
(cond [(or (= s SQLITE_OK)
(= s SQLITE_ROW)
(= s SQLITE_DONE))
@ -400,12 +403,24 @@
(cond [(and (= s SQLITE_ERROR) db)
(sqlite3_errmsg db)]
[else (caddr info)])])
(raise (make-exn:fail:sql (format "~a: ~a" who message)
(define extra
(cond [(memv s include-db-file-status-list)
(string-append
(format "\n database: ~e" (or db-file 'unknown))
(format "\n mode: ~e" (or db-mode 'unknown))
(if (path-string? db-file)
(format "\n file permissions: ~s"
(file-or-directory-permissions db-file))
""))]
[else ""]))
(raise (make-exn:fail:sql (format "~a: ~a~a" who message extra)
(current-continuation-marks)
sym
`((code . ,sym)
(message . ,message)
(errcode . ,s)))))]))
(errcode . ,s)
(db-file . ,db-file)
(db-mode . ,db-mode)))))]))
(define (simplify-status s)
(cond
@ -450,3 +465,9 @@
(define maybe-rollback-status-list
(list SQLITE_FULL SQLITE_IOERR SQLITE_BUSY SQLITE_NOMEM SQLITE_INTERRUPT
SQLITE_IOERR_BLOCKED SQLITE_IOERR_LOCK))
(define include-db-file-status-list
(list SQLITE_READONLY SQLITE_PERM SQLITE_ABORT SQLITE_BUSY SQLITE_LOCKED
SQLITE_IOERR SQLITE_IOERR_BLOCKED SQLITE_IOERR_LOCK SQLITE_CORRUPT
SQLITE_NOTFOUND SQLITE_FULL SQLITE_CANTOPEN SQLITE_PROTOCOL SQLITE_EMPTY
SQLITE_FORMAT SQLITE_NOTADB))

3
racket/collects/db/private/sqlite3/main.rkt
View File

@ -35,10 +35,11 @@
((read/write) SQLITE_OPEN_READWRITE)
((create)
(+ SQLITE_OPEN_READWRITE SQLITE_OPEN_CREATE))))])
(handle-status* 'sqlite3-connect open-status db)
(handle-status* 'sqlite3-connect open-status db (list path mode))
(let ([c
(new connection%
(db db)
(db-spec (list path mode))
(busy-retry-limit busy-retry-limit)
(busy-retry-delay busy-retry-delay))])
(when debug? (send c debug #t))