7.1.2

* chore: update dependency loopback-datasource-juggler to ^5.1.7 (renovate[bot])
 * chore: update dependency loopback-connector to ^6.2.3 (renovate[bot])
 * chore: update dependency sinon to v20 (renovate[bot])
 * chore: update dependency sinon to ^19.0.5 (renovate[bot])
 * chore: update dependency sinon to ^19.0.4 (renovate[bot])

CHANGES.md

@@ -1,3 +1,57 @@
+2025-04-14, Version 7.1.2
+=========================
+
+ * chore: update dependency loopback-datasource-juggler to ^5.1.7 (renovate[bot])
+
+ * chore: update dependency loopback-connector to ^6.2.3 (renovate[bot])
+
+ * chore: update dependency sinon to v20 (renovate[bot])
+
+ * chore: update dependency sinon to ^19.0.5 (renovate[bot])
+
+ * chore: update dependency sinon to ^19.0.4 (renovate[bot])
+
+
+2025-03-18, Version 7.1.1
+=========================
+
+ * chore: update dependency loopback-datasource-juggler to ^5.1.6 (renovate[bot])
+
+ * chore: update dependency loopback-connector to ^6.2.2 (renovate[bot])
+
+ * chore: update dependency @commitlint/config-conventional to ^19.8.0 (renovate[bot])
+
+
+2025-02-12, Version 7.1.0
+=========================
+
+ * chore: update dependency loopback-datasource-juggler to ^5.1.5 (renovate[bot])
+
+ * chore: update dependency loopback-connector to ^6.2.1 (renovate[bot])
+
+ * chore: update dependency @commitlint/config-conventional to ^19.7.1 (renovate[bot])
+
+ * chore: update dependency loopback-connector to ^6.2.0 (renovate[bot])
+
+ * feat: query to fetch unique columns (Muhammad Aaqil)
+
+ * chore: update dependency mocha to ^11.1.0 (renovate[bot])
+
+ * chore: update dependency debug to ^4.4.0 (renovate[bot])
+
+
+2024-12-05, Version 7.0.17
+==========================
+
+ * chore: update dependency loopback-datasource-juggler to ^5.1.3 (renovate[bot])
+
+ * chore: update dependency loopback-connector to ^6.1.12 (renovate[bot])
+
+ * chore: update dependency mocha to v11 (renovate[bot])
+
+ * chore: update dependency @commitlint/config-conventional to ^19.6.0 (renovate[bot])
+
+
 2024-11-12, Version 7.0.16
 ==========================
 

lib/discovery.js

@@ -301,6 +301,29 @@ function mixinDiscovery(MySQL, mysql) {
     return sql;
   };
 
+  /**
+   * Discover unique keys for a given table
+   * @param {String} table The table name
+   * @param {Object} options The options for discovery
+   */
+
+  /*!
+   * Retrieves a list of column names that have unique key index
+   * @param schema
+   * @param table
+   * @returns {string}
+   */
+  MySQL.prototype.buildQueryUniqueKeys = function(schema, table) {
+    const sql = 'SELECT Column_name AS "columnName",' +
+    ' table_schema AS "owner",' +
+    ' table_name AS "tableName"' +
+    ' FROM Information_schema.statistics' +
+    ' WHERE Table_schema = ' + mysql.escape(schema) +
+    ' AND Table_name = ' + mysql.escape(table) +
+    ' AND Non_unique = 0 AND Index_name <> \'PRIMARY\';';
+    return sql;
+  };
+
   /**
    * Discover foreign keys that reference to the primary key of this table
    * @param {String} table The table name

package.json

@@ -1,6 +1,6 @@
 {
   "name": "loopback-connector-mysql",
-  "version": "7.0.16",
+  "version": "7.1.2",
   "description": "MySQL connector for loopback-datasource-juggler",
   "engines": {
     "node": ">=18"
@@ -22,22 +22,22 @@
   ],
   "dependencies": {
     "async": "^3.2.6",
-    "debug": "^4.3.7",
+    "debug": "^4.4.0",
     "lodash": "^4.17.21",
-    "loopback-connector": "^6.1.11",
+    "loopback-connector": "^6.2.3",
     "mysql2": "^3.6.3",
     "patch-package": "^8.0.0",
     "strong-globalize": "^6.0.6"
   },
   "devDependencies": {
-    "@commitlint/config-conventional": "^19.5.0",
+    "@commitlint/config-conventional": "^19.8.0",
     "eslint": "^8.57.1",
     "eslint-config-loopback": "^13.1.0",
-    "loopback-datasource-juggler": "^5.1.2",
+    "loopback-datasource-juggler": "^5.1.7",
-    "mocha": "^10.8.2",
+    "mocha": "^11.1.0",
     "rc": "^1.2.8",
     "should": "^13.2.3",
-    "sinon": "^19.0.2"
+    "sinon": "^20.0.0"
   },
   "repository": {
     "type": "git",

test/mysql.discover.test.js

@@ -283,6 +283,21 @@ describe('Discover LDL schema from a table', function() {
   });
 });
 
+describe('Discover unique properties', function() {
+  let schema;
+  before(function(done) {
+    db.discoverSchema('CUSTOMER', {owner: 'STRONGLOOP'}, function(err, schema_) {
+      schema = schema_;
+      done(err);
+    });
+  });
+  it('should validate unique key for customer', function() {
+    assert.ok(/STRONGLOOP/i.test(schema.options.mysql.schema));
+    assert.strictEqual(schema.options.mysql.table, 'CUSTOMER');
+    assert.strictEqual(schema.properties.email.index.unique, true);
+  });
+});
+
 describe('Discover and handle enum', function() {
   let schema;
   before(function(done) {

test/schema.sql

@@ -39,7 +39,8 @@ CREATE TABLE `CUSTOMER` (
   PRIMARY KEY (`ID`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;
-
+ALTER TABLE `CUSTOMER`
+ADD COLUMN `email` VARCHAR(100) UNIQUE;
 --
 -- Dumping data for table `CUSTOMER`
 --