Replace a card whenever the front or the back changed

1 files changed, 20 insertions, 0 deletions

diff --git a/src/db/sql/2-primary-key-question-responses.sql b/src/db/sql/2-primary-key-question-responses.sql
new file mode 100644
index 0000000..cb7df21
--- /dev/null
+++ b/src/db/sql/2-primary-key-question-responses.sql
@@ -0,0 +1,20 @@
+/* Allows to use ON CONFLICT on (question, responses) when inserting a card. */
+
+CREATE TABLE IF NOT EXISTS cards_copy (
+  question VARCHAR NOT NULL,
+  responses VARCHAR NOT NULL,
+  state VARCHAR NOT NULL,
+  created TIMESTAMP NOT NULL,
+  updated TIMESTAMP NULL,
+  deleted TIMESTAMP NULL,
+  deck_read TIMESTAMP NOT NULL,
+  ready TIMESTAMP NOT NULL,
+  PRIMARY KEY (question, responses)
+);
+
+INSERT INTO cards_copy (question, responses, state, created, updated, deleted, deck_read, ready)
+   SELECT question, responses, state, created, updated, deleted, deck_read, ready FROM cards;
+
+DROP TABLE cards;
+
+ALTER TABLE cards_copy RENAME TO cards;