fix: fix query for buildQueryUniqueKeys

Signed-off-by: Muhammad Aaqil <[email protected]>

Author: aaqilniz

lib/discovery.js

@@ -348,17 +348,17 @@ function mixinDiscovery(PostgreSQL) {
    * @returns {string}
    */
   PostgreSQL.prototype.buildQueryUniqueKeys = function(schema, table) {
-    const sql = 'SELECT a.attname AS "columnName", n.nspname AS "owner", c.relname AS "tableName"'
-      + 'FROM pg_index i'
-      + 'JOIN pg_class c ON c.oid = i.indrelid'
-      + 'JOIN pg_namespace n ON n.oid = c.relnamespace'
-      + 'JOIN pg_attribute a ON a.attrelid = c.oid AND a.attnum = ANY(i.indkey)'
-      + 'WHERE i.indisunique = true'
-      + 'AND i.indisprimary = false'
-      + 'AND n.nspname = $1'
-      + 'AND c.relname = $2'
+    const sql = 'SELECT a.attname AS "columnName", n.nspname AS "owner", c.relname AS "tableName" '
+      + 'FROM pg_index i '
+      + 'JOIN pg_class c ON c.oid = i.indrelid '
+      + 'JOIN pg_namespace n ON n.oid = c.relnamespace '
+      + 'JOIN pg_attribute a ON a.attrelid = c.oid AND a.attnum = ANY(i.indkey) '
+      + 'WHERE i.indisunique = true '
+      + 'AND i.indisprimary = false '
+      + 'AND n.nspname = \'' + schema + '\' '
+      + 'AND c.relname = \'' + table + '\' '
       + 'ORDER BY a.attnum';
-    return {text: sql, values: [schema, table]};
+    return sql;
   };
 
   /**

package-lock.json

@@ -33,7 +33,7 @@
     "bluebird": "^3.4.6",
     "chalk": "^4.0.0",
     "debug": "^4.1.1",
-    "loopback-connector": "^6.0.0",
+    "loopback-connector": "^6.2.1",
     "pg": "^8.0.2",
     "strong-globalize": "^6.0.0",
     "uuid": "^11.0.0"