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[SPARK-35041][SQL] Revise the overflow in UTF8String #32142

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[SPARK-35041][SQL] Revise the overflow in UTF8String #32142

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d43643e
Revise the overflow in UTF8String
ulysses-you Apr 13, 2021
d542627
address
ulysses-you Apr 13, 2021
6f48d88
fix
ulysses-you Apr 13, 2021
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Revise the overflow in UTF8String
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@ulysses-you
ulysses-you committed Apr 13, 2021
commit d43643e54d06d0d0573ee7075df7f07f9f2b838a
6 changes: 4 additions & 2 deletions common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java
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Original file line number Diff line number Diff line change
Expand Up @@ -907,7 +907,8 @@ public UTF8String rpad(int len, UTF8String pad) {
// the partial string of the padding
UTF8String remain = pad.substring(0, spaces - padChars * count);

byte[] data = new byte[this.numBytes + pad.numBytes * count + remain.numBytes];
int resultSize = Math.toIntExact((long)numBytes + pad.numBytes * count + remain.numBytes);
byte[] data = new byte[resultSize];
copyMemory(this.base, this.offset, data, BYTE_ARRAY_OFFSET, this.numBytes);
int offset = this.numBytes;
int idx = 0;
Expand Down Expand Up @@ -939,7 +940,8 @@ public UTF8String lpad(int len, UTF8String pad) {
// the partial string of the padding
UTF8String remain = pad.substring(0, spaces - padChars * count);

byte[] data = new byte[this.numBytes + pad.numBytes * count + remain.numBytes];
int resultSize = Math.toIntExact((long)numBytes + pad.numBytes * count + remain.numBytes);
byte[] data = new byte[resultSize];

int offset = 0;
int idx = 0;
Expand Down