[DRILL-3168] Char overflow in LimitRecordBatch

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.9.0
• Fix Version/s: Future
• Component/s: Execution - Relational Operators
• Assignee: Unassigned
• Reporter: 徐波
• Created: 22/May/15 07:31
• Updated: 19/Sep/16 00:12

Description

The variable named 'i' in 'limitWithNoSV' may overflow when fetch - offset > Character.MAX_VALUE - offset. eg. offset=0, fetch=65536.

Code in limitWithNoSV:
int svIndex = 0;
for(char i = (char) offset; i < fetch; i++) {
outgoingSv.setIndex(svIndex, i);
svIndex++;
}