[TECH] Créer une migration pour supprimer la contrainte userId et snappedAt dans la table knowledge-element-snapshots et rendre ces 2 colones nullables (PIX-17211)

 #11936

Author: pix-service-auto-merge

Diff for: api/db/migrations/20250402075613_update-knowledge-element-snapshots-table.js

@@ -0,0 +1,27 @@
+const TABLE_NAME = 'knowledge-element-snapshots';
+
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+const up = async function (knex) {
+  await knex.schema.alterTable(TABLE_NAME, function (table) {
+    table.integer('userId').nullable().alter();
+    table.dateTime('snappedAt').nullable().alter();
+    table.dropUnique(['userId', 'snappedAt']);
+  });
+};
+
+/**
+ * @param { import("knex").Knex } knex
+ * @returns { Promise<void> }
+ */
+const down = async function (knex) {
+  await knex.schema.alterTable(TABLE_NAME, function (table) {
+    table.integer('userId').notNullable().alter();
+    table.dateTime('snappedAt').notNullable().alter();
+    table.unique(['userId', 'snappedAt']);
+  });
+};
+
+export { down, up };