temporalio/temporal · error

invalid filter name: %s

Error message

invalid filter name: %s

What it means

Error "invalid filter name: %s" thrown in temporalio/temporal.

Source

Thrown at service/history/workflow/matcher/mutable_state_evaluator.go:109

func (m *mutableStateMatchEvaluator) evaluateOr(expr *sqlparser.OrExpr) (bool, error) {
	if expr == nil {
		return false, NewMatcherError("Or expression input expression cannot be nil")
	}
	if leftResult, err := m.evaluateExpression(expr.Left); err != nil || leftResult {
		return leftResult, err
	}
	// if left is false, then right must be evaluated
	return m.evaluateExpression(expr.Right)
}

func (m *mutableStateMatchEvaluator) evaluateComparison(expr *sqlparser.ComparisonExpr) (bool, error) {
	if expr == nil {
		return false, NewMatcherError("ComparisonExpr input expression cannot be nil")
	}

	colName, ok := expr.Left.(*sqlparser.ColName)
	if !ok {
		return false, fmt.Errorf("invalid filter name: %s", sqlparser.String(expr.Left))
	}
	colNameStr := sqlparser.String(colName)
	valExpr, ok := expr.Right.(*sqlparser.SQLVal)
	if !ok {
		return false, fmt.Errorf("invalid value: %s", sqlparser.String(expr.Right))
	}
	valStr := sqlparser.String(valExpr)

	switch colNameStr {
	case workflowTypeNameColName:
		val, err := sqlquery.ExtractStringValue(valStr)
		if err != nil {
			return false, err
		}
		return m.compareWorkflowType(val, expr.Operator)
	case workflowIDColName:
		val, err := sqlquery.ExtractStringValue(valStr)
		if err != nil {

View on GitHub (pinned to bde624efd1)

When it happens

Trigger: Thrown at service/history/workflow/matcher/mutable_state_evaluator.go:109 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of temporalio/temporal@bde624efd1 (2026-09-01). Data as JSON: /api/errors/724dd5dc812de009. Report an issue: GitHub.