Fix: CSV export fails if it has sub query with filter

handler/csv_download/csv_download.go

@@ -106,7 +106,7 @@ func Handler(w http.ResponseWriter, r *http.Request) {
 		handler.AbortRequest(w, handler.ContextCsvDownload, err, handler.ErrGeneral)
 		return
 	}
-	var columns []types.Column
+	var columns []types.CsvExportColumn
 	if err := json.Unmarshal([]byte(columnsString), &columns); err != nil {
 		handler.AbortRequest(w, handler.ContextCsvDownload, err, handler.ErrGeneral)
 		return

types/types_csv.go

@@ -0,0 +1,8 @@
+package types
+
+import "github.com/gofrs/uuid"
+
+type CsvExportColumn struct {
+	AttributeId uuid.UUID  `json:"attributeId"`
+	Captions    CaptionMap `json:"captions"`
+}

www/comps/listCsv.js

@@ -142,6 +142,17 @@ export default {
 		clearInterval(this.cacheDenialTimeout);
 	},
 	computed:{
+		columnsCsv:(s) => {
+			let out = [];
+			for(const c of s.columnsSorted) {
+				// only keep relevant data
+				out.push({
+					attributeId:c.attributeId,
+					captions:c.captions
+				});
+			}
+			return out;
+		},
 		columnsSorted:(s) => {
 			let out = [];
 			for(const b of s.columnBatches) {
@@ -161,7 +172,7 @@ export default {
 				`timezone=${encodeURIComponent(s.timezone)}`,
 				`ignore_header=${s.hasHeader ? 'false' : 'true'}`,
 				`relation_id=${s.query.relationId}`,
-				`columns=${encodeURIComponent(JSON.stringify(s.columnsSorted))}`,
+				`columns=${encodeURIComponent(JSON.stringify(s.columnsCsv))}`,
 				`joins=${encodeURIComponent(JSON.stringify(s.joins))}`,
 				`expressions=${encodeURIComponent(JSON.stringify(s.expressions))}`,
 				`filters=${encodeURIComponent(JSON.stringify(s.filters))}`,