SQL: Add macro support in select case (#88514)

* Feat: timeGroup macro handling in VQB

* Add tests

* Add functions to SQL ds

* Fix lint errors

* Add feature toggle

* Add rendering based on object

* Fix lint

* Fix CI failures

* Fix tests

* Address review comments

* Add docs

* Fix JSX runtime warnings

* Remove docs part that mentions suggest more macros

* Update docs/sources/shared/datasources/sql-query-builder-macros.md

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

* Add smoke test for this feature

* lint

* Add supported macros to influx

* Add setupTests.ts to include in tsconfig.json

* Import jest-dom instead of setupTests.ts

---------

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

packages/grafana-sql/src/utils/sql.utils.ts

@@ -1,6 +1,9 @@
+import { SelectableValue, toOption } from '@grafana/data';
+
 import {
   QueryEditorExpressionType,
   QueryEditorFunctionExpression,
+  QueryEditorFunctionParameterExpression,
   QueryEditorGroupByExpression,
   QueryEditorPropertyExpression,
   QueryEditorPropertyType,
@@ -67,3 +70,18 @@ export function createFunctionField(functionName?: string): QueryEditorFunctionE
     parameters: [],
   };
 }
+
+/**
+ * Retrieves the column value from a QueryEditorFunctionParameterExpression object.
+ *
+ * @param column - The QueryEditorFunctionParameterExpression object representing the column.
+ * @returns The column value as a SelectableValue<string> or null if the column is undefined or null.
+ */
+export function getColumnValue(
+  column?: QueryEditorFunctionParameterExpression | QueryEditorFunctionExpression
+): SelectableValue<string> | null {
+  if (column?.name) {
+    return toOption(column.name);
+  }
+  return null;
+}