[knex] Allow Identifier Syntax in table Query Builder (#27644)

types/knex/index.d.ts

@@ -21,9 +21,10 @@ type Value = string | number | boolean | Date | Array<string> | Array<number> |
 type ValueMap = { [key: string]: Value | Knex.QueryBuilder };
 type ColumnName = string | Knex.Raw | Knex.QueryBuilder | {[key: string]: string };
 type TableName = string | Knex.Raw | Knex.QueryBuilder;
+type Identifier = { [alias: string]: string };
 
 interface Knex extends Knex.QueryInterface {
-    (tableName?: TableName): Knex.QueryBuilder;
+    (tableName?: TableName | Identifier): Knex.QueryBuilder;
     VERSION: string;
     __knex__: string;
 
@@ -179,7 +180,7 @@ declare namespace Knex {
     }
 
     interface Table {
-        (tableName: TableName): QueryBuilder;
+        (tableName: TableName | Identifier): QueryBuilder;
         (callback: Function): QueryBuilder;
         (raw: Raw): QueryBuilder;
     }

types/knex/knex-tests.ts

@@ -1103,3 +1103,23 @@ knex.schema
         table.decimal('dec', null);
     })
     .dropTable('testTable');
+
+// allow specifying an alias for a table name
+knex.schema
+    .dropTableIfExists('foo')
+    .dropTableIfExists('bar')
+    .createTable('foo', function (table) {
+        table.uuid('id').primary();
+    })
+    .createTable('bar', function (table) {
+        table.uuid('id').primary();
+    });
+
+knex({
+    table1: 'foo',
+    table2: 'bar'
+})
+    .select({
+        table1Id: 'table1.id',
+        table2Id: 'table2.id'
+    });