Function StripParens

pkg/sql/sem/tree/expr.go:289–294

StripParens strips any parentheses surrounding an expression and returns the inner expression. For instance: 1 -> 1 (1) -> 1 ((1)) -> 1

(expr Expr)

//  (1)  -> 1
// ((1)) -> 1
func StripParens(expr Expr) Expr {
	if p, ok := expr.(*ParenExpr); ok {
		return StripParens(p.Expr)
	}
	return expr
}

// ComparisonOperator represents a binary operator.
type ComparisonOperator int