Add quotes around column names for unique constraints in sqlite (fixes #4407) (#7224)

* Add quotes around column names for unique constraints in sqlite (fixes #4407)

* Changelog linked to issue

changelog.md

@@ -49,6 +49,7 @@
 - [INTERNAL] Updated to `generic-pool@3.1.6` [#7109](https://github.com/sequelize/sequelize/issues/7109)
 - [FIXED] findAll throws error if attributes option is formatted incorrectly [#7162](https://github.com/sequelize/sequelize/issues/7163)
 - [FIXED] previous gave wrong value back [#7189](https://github.com/sequelize/sequelize/pull/7189)
+- [FIXED] Add quotes around column names for unique constraints in sqlite [#4407](https://github.com/sequelize/sequelize/pull/4407)
 - [FIXED] Connection error when fetching OIDs for unspported types in Postgres 8.2 or below [POSTGRES] [#5254](https://github.com/sequelize/sequelize/issues/5254)
 
 ## BC breaks:

lib/dialects/sqlite/query-generator.js

@@ -64,7 +64,7 @@ const QueryGenerator = {
     if (!!options.uniqueKeys) {
       Utils._.each(options.uniqueKeys, columns => {
         if (!columns.singleField) { // If it's a single field its handled in column def, not as an index
-          attrStr += ', UNIQUE (' + columns.fields.join(', ') + ')';
+          attrStr += ', UNIQUE (' + columns.fields.map(field => this.quoteIdentifier(field)).join(', ') + ')';
         }
       });
     }

test/unit/dialects/sqlite/query-generator.test.js

@@ -135,6 +135,10 @@ if (dialect === 'sqlite') {
         {
           arguments: ['myTable', {id: 'INTEGER PRIMARY KEY AUTOINCREMENT', name: 'VARCHAR(255)'}],
           expectation: 'CREATE TABLE IF NOT EXISTS `myTable` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `name` VARCHAR(255));'
+        },
+        {
+          arguments: ['myTable', {id: 'INTEGER PRIMARY KEY AUTOINCREMENT', name: 'VARCHAR(255)', surname: 'VARCHAR(255)'}, {uniqueKeys: {uniqueConstraint: {fields: ['name', 'surname']}}}],
+          expectation: 'CREATE TABLE IF NOT EXISTS `myTable` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `name` VARCHAR(255), `surname` VARCHAR(255), UNIQUE (`name`, `surname`));'
         }
       ],