Function identifierName

pkg/transform/set.go:26–31

identifierName extracts the column name string from an Expression that is expected to be an *ast.Identifier. Returns empty string for other types.

(expr ast.Expression)

// identifierName extracts the column name string from an Expression that is
// expected to be an *ast.Identifier. Returns empty string for other types.
func identifierName(expr ast.Expression) string {
	if id, ok := expr.(*ast.Identifier); ok {
		return id.Name
	}
	return ""
}

// parseValueExpr parses a SQL value expression string using the
// "SELECT * FROM _t WHERE _col = <valueSQL>" trick, returning the right-hand