eldenmoon commented on code in PR #37936:
URL: https://github.com/apache/doris/pull/37936#discussion_r1680301657
##########
be/src/util/mysql_row_buffer.cpp:
##########
@@ -44,6 +44,9 @@ namespace doris {
static uint8_t NEXT_TWO_BYTE = 252;
static uint8_t NEXT_THREE_BYTE = 253;
static uint8_t NEXT_EIGHT_BYTE = 254;
+// the EXTRA_RESERVE_BYTE wanner to make sure _pos pointer is always in _buf
memory
+// used in reserve() for allocate current buffer
+static size_t EXTRA_RESERVE_BYTE = 128;
Review Comment:
commit add to line 139
##########
be/src/util/mysql_row_buffer.cpp:
##########
@@ -44,6 +44,9 @@ namespace doris {
static uint8_t NEXT_TWO_BYTE = 252;
static uint8_t NEXT_THREE_BYTE = 253;
static uint8_t NEXT_EIGHT_BYTE = 254;
+// the EXTRA_RESERVE_BYTE wanner to make sure _pos pointer is always in _buf
memory
+// used in reserve() for allocate current buffer
+static size_t EXTRA_RESERVE_BYTE = 128;
Review Comment:
comment add to line 139
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