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[OBCDC] Fix obcdc output wrong column value if column is 8 byte and encoded by datum

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This commit is contained in:
SanmuWangZJU
2023-07-25 04:18:49 +00:00
committed by ob-robot
parent 31dd36e9b2
commit 1a7ba9b879
3 changed files with 41 additions and 9 deletions
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7
src/storage/blocksstable/ob_datum_row.h
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@ -582,7 +582,12 @@ OB_INLINE int ObStorageDatum::from_buf_enhance(const char *buf, const int64_t bu
} else {
reuse();
len_ = static_cast<uint32_t>(buf_len);
if (buf_len > 0) {
if (sizeof(uint64_t) == buf_len) {
// To maintain the same processing method as other micro-block formats,
// we perform a deep copy on columns with a length of 8 bytes in flat micro-block format.
// see ObClusterColumnReader::read_column_from_buf
MEMCPY(no_cv(ptr_), buf, sizeof(uint64_t));
} else if (buf_len > 0) {
ptr_ = buf;
}
}