Use strict tables

4 files changed, 49 insertions, 0 deletions

diff --git a/src/db/migrations/01-init.sql b/src/db/migrations/01-init.sql
new file mode 100644
index 0000000..29d70ed
--- /dev/null
+++ b/src/db/migrations/01-init.sql
@@ -0,0 +1,10 @@
+CREATE TABLE IF NOT EXISTS cards (
+  question VARCHAR PRIMARY KEY,
+  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
+)
diff --git a/src/db/migrations/02-primary-key-question-responses.sql b/src/db/migrations/02-primary-key-question-responses.sql
new file mode 100644
index 0000000..cb7df21
--- /dev/null
+++ b/src/db/migrations/02-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;
diff --git a/src/db/migrations/03-drop-deck-read.sql b/src/db/migrations/03-drop-deck-read.sql
new file mode 100644
index 0000000..1ca23d1
--- /dev/null
+++ b/src/db/migrations/03-drop-deck-read.sql
@@ -0,0 +1 @@
+ALTER TABLE cards DROP COLUMN deck_read;
diff --git a/src/db/migrations/04-strict-tables.sql b/src/db/migrations/04-strict-tables.sql
new file mode 100644
index 0000000..9ce4ce9
--- /dev/null
+++ b/src/db/migrations/04-strict-tables.sql
@@ -0,0 +1,18 @@
+ALTER TABLE "cards" RENAME TO "cards_non_strict";
+
+CREATE TABLE IF NOT EXISTS "cards" (
+  question TEXT NOT NULL,
+  responses TEXT NOT NULL,
+  state TEXT NOT NULL,
+  created INTEGER NOT NULL, /* TIMESTAMP */
+  updated INTEGER NULL, /* TIMESTAMP */
+  deleted INTEGER NULL, /* TIMESTAMP */
+  ready INTEGER NOT NULL, /* TIMESTAMP */
+  PRIMARY KEY (question, responses)
+) STRICT;
+
+INSERT INTO cards (question, responses, state, created, updated, deleted, ready)
+  SELECT question, responses, state, created, updated, deleted, ready
+  FROM cards_non_strict;
+
+DROP TABLE cards_non_strict;