Fix: Knex cannot set a default value for TEXT field (MariaDB) (#5261)

server/utils/knex/lib/dialects/mysql2/schema/mysql2-columncompiler.js

@@ -0,0 +1,22 @@
+const ColumnCompilerMySQL = require("knex/lib/dialects/mysql/schema/mysql-columncompiler");
+const { formatDefault } = require("knex/lib/formatter/formatterUtils");
+const { log } = require("../../../../../../../src/util");
+
+class KumaColumnCompiler extends ColumnCompilerMySQL {
+    /**
+     * Override defaultTo method to handle default value for TEXT fields
+     * @param {any} value Value
+     * @returns {string|void} Default value (Don't understand why it can return void or string, but it's the original code, lol)
+     */
+    defaultTo(value) {
+        if (this.type === "text" && typeof value === "string") {
+            log.debug("defaultTo", `${this.args[0]}: ${this.type} ${value} ${typeof value}`);
+            // MySQL 8.0 is required and only if the value is written as an expression: https://dev.mysql.com/doc/refman/8.0/en/data-type-defaults.html
+            // MariaDB 10.2 is required: https://mariadb.com/kb/en/text/
+            return `default (${formatDefault(value, this.type, this.client)})`;
+        }
+        return super.defaultTo.apply(this, arguments);
+    }
+}
+
+module.exports = KumaColumnCompiler;