public override IASTNode VisitExpr(MySqlCommandParser.ExprContext ctx)
{
if (null != ctx.booleanPrimary())
{
return(Visit(ctx.booleanPrimary()));
}
if (null != ctx.logicalOperator())
{
return(new PredicateBuilder(Visit(ctx.expr(0)), Visit(ctx.expr(1)), ctx.logicalOperator().GetText()).MergePredicate());
}
// TODO deal with XOR
return(Visit(ctx.expr()[0]));
}
