protected override void BuildIsDistinctPredicate(SqlPredicate.IsDistinct expr)
{
StringBuilder.Append("IIF(");
BuildExpression(Precedence.Comparison, expr.Expr1);
StringBuilder.Append(" = ");
BuildExpression(Precedence.Comparison, expr.Expr2);
StringBuilder.Append(" OR ");
BuildExpression(Precedence.Comparison, expr.Expr1);
StringBuilder.Append(" IS NULL AND ");
BuildExpression(Precedence.Comparison, expr.Expr2);
StringBuilder
.Append(" IS NULL, 0, 1) = ")
.Append(expr.IsNot ? '0' : '1');
}
protected override void BuildIsDistinctPredicate(SqlPredicate.IsDistinct expr) => BuildIsDistinctPredicateFallback(expr);
