fix: handle error on some failing casts

Closes #4
kmpm · Nov 11, 2019 · fd9ced4 · fd9ced4
1 parent 920d3da
commit fd9ced4
Showing 1 changed file with 17 additions and 3 deletions.
diff --git a/reader/dbReader.go b/reader/dbReader.go
@@ -188,7 +188,12 @@ func DbValueToString(colData interface{}, dataType string) *string {
 			bytes[3], bytes[2], bytes[1], bytes[0], bytes[5], bytes[4], bytes[7], bytes[6], bytes[8], bytes[9], bytes[10], bytes[11], bytes[12], bytes[13], bytes[14], bytes[15])
 	// === //
 	case dataType == "numeric": // sqlite - best type for number. needs casting for pg
-		stringValue = fmt.Sprintf("%v", colData.(float64))
+		if f, ok := colData.(float64); ok {
+			stringValue = fmt.Sprintf("%v", f)
+		} else {
+			log.Printf("Error casting '%T' to 'float64' for datatype %s", colData, dataType)
+			stringValue = fmt.Sprintf("Type Error! %T", colData)
+		}
 	case dataType == "varbinary":
 		fallthrough
 	case dataType == "blob":
@@ -228,8 +233,17 @@ func DbValueToString(colData interface{}, dataType string) *string {
 	// === //
 	case strings.Contains(dataType, "text"): // mssql // todo: expensive, optimise for supported values
 		// https://stackoverflow.com/a/18615786/10245
-		bytes := colData.([]uint8)
-		stringValue = fmt.Sprintf("%s", bytes)
+		switch v := colData.(type) {
+		case string:
+			stringValue = v
+		default:
+			if bytes, ok := colData.([]uint8); ok {
+				stringValue = fmt.Sprintf("%s", bytes)
+			} else {
+				log.Printf("Error casting '%T' to '[]uint8' for datatype %s", colData, dataType)
+				stringValue = fmt.Sprintf("Type Error! %T", colData)
+			}
+		}
 	// === // unknown ...
 	default:
 		//log.Printf("unknown data type %s", dataType)