WIP

api/db/migrations/20241203140746_leverage-postgresql-schema-for-case-insensitive-and-accent-insensitive-comparison-and-sorting.js

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+// Make sure you properly test your migration, especially DDL (Data Definition Language)
+// ! If the target table is large, and the migration take more than 20 minutes, the deployment will fail !
+
+// You can design and test your migration to avoid this by following this guide
+// https://1024pix.atlassian.net/wiki/spaces/EDTDT/pages/3849323922/Cr+er+une+migration
+
+// If your migrations target `answers` or `knowledge-elements`
+// contact @team-captains, because automatic migrations are not active on `pix-datawarehouse-production`
+// this may prevent data replication to succeed the day after your migration is deployed on `pix-api-production`
+const TABLE_NAME = 'users';
+const COLUMN_EMAIL2_NAME = 'email2';
+const COLUMN_FIRSTNAME2_NAME = 'firstName2';
+const COLUMN_LASTNAME2_NAME = 'lastName2';
+const COLUMN_EMAIL3_NAME = 'email3';
+const COLUMN_FIRSTNAME3_NAME = 'firstName3';
+const COLUMN_LASTNAME3_NAME = 'lastName3';
+
+const up = async function (knex) {
+  // CITEXT
+  await knex.schema.raw('create extension if not exists citext');
+
+  await knex.schema.table(TABLE_NAME, function (table) {
+    table.specificType(COLUMN_EMAIL2_NAME, 'citext').unique(); //.notNull();
+    table.specificType(COLUMN_FIRSTNAME2_NAME, 'citext'); //.notNull();
+    table.specificType(COLUMN_LASTNAME2_NAME, 'citext'); //.notNull();
+  });
+
+  // COLLATIONS
+  await knex.schema.raw('drop collation if exists case_insensitive');
+  await knex.schema.raw('drop collation if exists ignore_accents');
+
+  await knex.schema.raw(
+    "create collation case_insensitive (provider = icu, locale = 'und-u-ks-level2', deterministic = false)",
+  );
+  await knex.schema.raw(
+    "create collation ignore_accents (provider = icu, locale = 'und-u-ks-level1-kc-true', deterministic = false)",
+  );
+
+  // await knex.schema.table(TABLE_NAME, function (table) {
+  // For now only works with MySQL: contrib to Knex the PostgreSQL support!
+  // table.string(COLUMN_EMAIL3_NAME).unique().collate('case_insensitive');
+  // table.string(COLUMN_FIRSTNAME3_NAME).collate('case_insensitive');
+  // table.string(COLUMN_LASTNAME3_NAME).collate('ignore_accents');
+  // });
+
+  // eslint-disable-next-line knex/avoid-injections
+  await knex.schema.raw(
+    `alter table "users" add column "${COLUMN_EMAIL3_NAME}" character varying(255) collate "case_insensitive"`,
+  );
+  // eslint-disable-next-line knex/avoid-injections
+  await knex.schema.raw(
+    `alter table "users" add column "${COLUMN_FIRSTNAME3_NAME}" character varying(255) collate "case_insensitive"`,
+  );
+  // eslint-disable-next-line knex/avoid-injections
+  await knex.schema.raw(
+    `alter table "users" add column "${COLUMN_LASTNAME3_NAME}" character varying(255) collate "case_insensitive"`,
+  );
+};
+
+const down = async function (knex) {
+  await knex.schema.table(TABLE_NAME, function (table) {
+    table.dropColumn(COLUMN_EMAIL2_NAME);
+    table.dropColumn(COLUMN_FIRSTNAME2_NAME);
+    table.dropColumn(COLUMN_LASTNAME2_NAME);
+  });
+
+  await knex.schema.table(TABLE_NAME, function (table) {
+    table.dropColumn(COLUMN_EMAIL3_NAME);
+    table.dropColumn(COLUMN_FIRSTNAME3_NAME);
+    table.dropColumn(COLUMN_LASTNAME3_NAME);
+  });
+};
+
+export { down, up };