Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/17184#discussion_r104841789
--- Diff:
common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java ---
@@ -897,41 +898,52 @@ public long toLong() {
break;
}
- int digit = getDigit(b);
+ int digit;
+ if (b >= '0' && b <= '9') {
+ digit = b - '0';
+ } else {
+ return false;
+ }
+
// We are going to process the new digit and accumulate the result.
However, before doing
// this, if the result is already smaller than the
stopValue(Long.MIN_VALUE / radix), then
- // result * 10 will definitely be smaller than minValue, and we can
stop and throw exception.
+ // result * 10 will definitely be smaller than minValue, and we can
stop.
if (result < stopValue) {
- throw new NumberFormatException(toString());
+ return false;
}
result = result * radix - digit;
// Since the previous result is less than or equal to
stopValue(Long.MIN_VALUE / radix), we
- // can just use `result > 0` to check overflow. If result overflows,
we should stop and throw
- // exception.
+ // can just use `result > 0` to check overflow. If result overflows,
we should stop.
if (result > 0) {
- throw new NumberFormatException(toString());
+ return false;
}
}
// This is the case when we've encountered a decimal separator. The
fractional
// part will not change the number, but we will verify that the
fractional part
// is well formed.
while (offset < numBytes) {
- if (getDigit(getByte(offset)) == -1) {
- throw new NumberFormatException(toString());
+ byte currentByte = getByte(offset);
+ if (currentByte < '0' || currentByte > '9') {
+ return false;
}
offset++;
}
if (!negative) {
result = -result;
if (result < 0) {
- throw new NumberFormatException(toString());
+ return false;
}
}
- return result;
+ toLongResult.value = result;
+ return true;
+ }
+
+ public static class IntWrapper {
--- End diff --
actually why bother having an IntWrapper? Can't you use LongWrapper?
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