opStr = " = ";
break;
default:
opStr = expr.getOpType().toString();
}
BinaryExpression be = (BinaryExpression) expr;
return "(" + getHCatComparisonString(be.getLhs()) +
opStr +
getHCatComparisonString(be.getRhs()) + ")";
} else {
// should be a constant or column
return expr.toString();
}
}