Classify too large string for FixedString (#3699)

ilidemi · web-flow · commit 81d02ead87fc · 2025-11-16T15:44:55.000-08:00
diff --git a/flow/alerting/classifier.go b/flow/alerting/classifier.go
@@ -699,7 +699,11 @@ func GetErrorClass(ctx context.Context, err error) (ErrorClass, ErrorInfo) {
 			Code:   strconv.Itoa(int(chException.Code)),
 		}
 		switch chproto.Error(chException.Code) {
-		case chproto.ErrUnknownTable, chproto.ErrNoSuchColumnInTable:
+		case chproto.ErrUnknownTable,
+			chproto.ErrNoSuchColumnInTable,
+			// "Too large string for FixedString column: (at row 10195)"
+			// The only one created by us is FixedString(1) for PG QChar so assuming the user did it for a string and it didn't work
+			chproto.ErrTooLargeStringSize:
 			if isClickHouseMvError(chException) {
 				return ErrorNotifyMVOrView, chErrorInfo
 			}

Original file line number	Diff line number	Diff line change
`@@ -699,7 +699,11 @@ func GetErrorClass(ctx context.Context, err error) (ErrorClass, ErrorInfo) {`
`699`	`699`	`Code: strconv.Itoa(int(chException.Code)),`
`700`	`700`	`}`
`701`	`701`	`switch chproto.Error(chException.Code) {`
`702`		`- case chproto.ErrUnknownTable, chproto.ErrNoSuchColumnInTable:`
	`702`	`+ case chproto.ErrUnknownTable,`
	`703`	`+ chproto.ErrNoSuchColumnInTable,`
	`704`	`+ // "Too large string for FixedString column: (at row 10195)"`
	`705`	`+ // The only one created by us is FixedString(1) for PG QChar so assuming the user did it for a string and it didn't work`
	`706`	`+ chproto.ErrTooLargeStringSize:`
`703`	`707`	`if isClickHouseMvError(chException) {`
`704`	`708`	`return ErrorNotifyMVOrView, chErrorInfo`
`705`	`709`	`}`