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(sqlite3:open-database ":memory:")))
(handler (make-busy-timeout 3600)))
(if (or (not path)
(not exists))
(db:initialize db))
(sqlite3:set-busy-handler! db handler)
db))
(define (db:sync-to fromdb todb)
;; strategy
;; 1. Get all run-ids
;; 2. For each run-id
;; a. Sync that run in a transaction
(let ((trecchgd 0)
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(sqlite3:open-database ":memory:")))
(handler (make-busy-timeout 3600)))
(if (or (not path)
(not exists))
(db:initialize db))
(sqlite3:set-busy-handler! db handler)
db))
;; (define (db:sync-table tblname fields fromdb todb)
(define (db:tbls db)
(let ((keys (db:get-keys db)))
(list
(list "metadat" '("var" #f) '("val" #f))
(append (list "runs"
'("id" #f))
(map (lambda (k)(list k #f))
(append keys
(list "runname" "state" "status" "owner" "event_time" "comment" "fail_count" "pass_count")))))))
;; tbls is ( ("tablename" ( "field1" [#f|proc1] ) ( "field2" [#f|proc2] ) .... ) )
(define (db:sync-tables tbls fromdb todb)
(let ((stmts (make-hash-table)) ;; table-field => stmt
(all-stmts '())) ;; ( ( stmt1 value1 ) ( stml2 value2 ))
(for-each ;; table
(lambda (tabledat)
(let* ((tablename (car tabledat))
(fields (cdr tabledat))
(num-fields (length fields))
(field->num (make-hash-table))
(num->field (apply vector (map car fields)))
(full-sel (conc "SELECT " (string-intersperse (map car fields) ",")
" FROM " tablename ";"))
(full-ins (conc "INSERT OR REPLACE INTO " tablename " ( " (string-intersperse (map car fields) ",") " ) "
" VALUES ( " (string-intersperse (make-list num-fields "?") ",") " );"))
(fromdat '())
(todat (make-hash-table))
(count 0))
;; set up the field->num table
(for-each
(lambda (field)
(hash-table-set! field->num field count)
(set! count (+ count 1)))
fields)
;; read the source table
(sqlite3:for-each-row
(lambda (a . b)
(set! fromdat (cons (apply vector a b) fromdat)))
fromdb
full-sel)
;; read the target table
(sqlite3:for-each-row
(lambda (a . b)
(hash-table-set! todat a (apply vector a b)))
todb
full-sel)
;; first pass implementation, just insert all changed rows
(let ((stmth (sqlite3:prepare todb full-ins)))
(sqlite3:with-transaction
todb
(lambda ()
(for-each ;;
(lambda (fromrow)
(let* ((a (vector-ref fromrow 0))
(curr (hash-table-ref todat a))
(same #t))
(let loop ((i 0))
(if (not (equal? (vector-ref fromrow i)(vector-ref curr i)))
(set! same #f))
(if (and same
(< i (- num-fields 1)))
(loop (+ i 1))))
(if (not same)(apply sqlite3:execute full-ins (vector->list fromrow)))))
fromdat)))
(sqlite3:finalize! stmth))))
tbls)))
(define (db:sync-to fromdb todb)
;; strategy
;; 1. Get all run-ids
;; 2. For each run-id
;; a. Sync that run in a transaction
(let ((trecchgd 0)
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