diff options
| -rw-r--r-- | org-gnosis.el | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/org-gnosis.el b/org-gnosis.el index 99d8037..eaeaa57 100644 --- a/org-gnosis.el +++ b/org-gnosis.el @@ -336,32 +336,45 @@ Removes all contents of FILE in database, adding them anew." (file :not-null) (title text) tags])) - (refs - ([(node-id :not-null) - (ref :not-null) - (type :not-null)] - (:foreign-key [node-id] :references nodes [id] :on-delete :cascade))) + (tags + ([(tag-name text :primary-key)])) + (journal + ([(id :not-null :primary-key) + (title text) + tags])) + ;; (node-tags + ;; ([(node-id :not-null) + ;; (tags :not-null) + ;; (:foreign-key [node-id] :references nodes [id] :on-delete :cascade) + ;; (:foreign-key [tags] :references tags [tag-name] :on-delete :cascade)])) (links - ([(source :not-null) - (dest :not-null)] - (:foreign-key [source] :references nodes [id] :on-delete :cascade))))) - -(defconst org-gnosis-db--table-indices - '((refs-node-id refs [node-id]))) + ([(source text) + (dest text)] + ;; (:unique (source dest)) + (:foreign-key [source] :references nodes [id] :on-delete :cascade) + )))) + +(defun org-gnosis-db-delete-tables () + "Drop all tables." + (ignore-errors + (emacsql-with-transaction org-gnosis-db + (org-gnosis--drop-table 'nodes) + (org-gnosis--drop-table 'tags) + (org-gnosis--drop-table 'journal) + (org-gnosis--drop-table 'links)))) (defun org-gnosis-db-init () "Initialize database DB with the correct schema and user version." - (unless (length= (emacsql org-gnosis-db + (setf org-gnosis-db (emacsql-sqlite-open (locate-user-emacs-file "org-gnosis.db"))) + (org-gnosis-db-delete-tables) + (when (length< (emacsql org-gnosis-db [:select name :from sqlite-master :where (= type table)]) - 3) + 3) + (org-gnosis-db-delete-tables) (emacsql-with-transaction org-gnosis-db (pcase-dolist (`(,table ,schema) org-gnosis-db--table-schemata) (emacsql org-gnosis-db [:create-table $i1 $S2] table schema)) - (pcase-dolist (`(,index-name ,table ,columns) org-gnosis-db--table-indices) - (emacsql org-gnosis-db [:create-index $i1 :on $i2 $S3] index-name table columns)) (emacsql org-gnosis-db [:pragma (= user-version org-gnosis-db-version)])))) -(org-gnosis-db-init) - (provide 'org-gnosis) ;;; org-gnosis.el ends here |