query designer - grop filter (having clause)

packages/sqltree/src/dumpSqlCommand.ts

@@ -36,6 +36,11 @@ export function dumpSqlSelect(dmp: SqlDumper, cmd: Select) {
     dmp.putCollection(', ', cmd.groupBy, (expr) => dumpSqlExpression(dmp, expr));
     dmp.put('&n');
   }
+  if (cmd.having) {
+    dmp.put('&n^having ');
+    dumpSqlCondition(dmp, cmd.having);
+    dmp.put('&n');
+  }
   if (cmd.orderBy) {
     dmp.put('&n^order ^by ');
     dmp.putCollection(', ', cmd.orderBy, (expr) => {

packages/sqltree/src/types.ts

@@ -16,6 +16,7 @@ export interface Select {
   orderBy?: OrderByExpression[];
   groupBy?: Expression[];
   where?: Condition;
+  having?: Condition;
 }
 
 export type UpdateField = Expression & { targetColumn: string };