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[CP]opt dml update lob check changed

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This commit is contained in:
skylhd
2023-11-07 12:13:56 +00:00
committed by ob-robot
parent 0bfca5dc0e
commit 8bd8e8fad9
3 changed files with 63 additions and 18 deletions
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51
src/storage/lob/ob_lob_manager.cpp
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@ -393,7 +393,7 @@ int ObLobManager::get_ls_leader(ObLobAccessParam& param, const uint64_t tenant_i
}
}
} else {
LOG_INFO("get ls leader", K(tenant_id), K(ls_id), K(leader), K(cluster_id));
LOG_DEBUG("get ls leader", K(tenant_id), K(ls_id), K(leader), K(cluster_id));
}
} while (OB_LS_LOCATION_NOT_EXIST == ret && renew_count < max_renew_count);
@ -763,12 +763,46 @@ int ObLobManager::query(
return ret;
}
int ObLobManager::equal(ObLobLocatorV2& lob_left,
ObLobLocatorV2& lob_right,
ObLobCompareParams& cmp_params,
bool& result)
{
INIT_SUCC(ret);
int64_t old_len = 0;
int64_t new_len = 0;
int64_t cmp_res = 0;
if (OB_FAIL(lob_left.get_lob_data_byte_len(old_len))) {
LOG_WARN("fail to get old byte len", K(ret), K(lob_left));
} else if (OB_FAIL(lob_right.get_lob_data_byte_len(new_len))) {
LOG_WARN("fail to get new byte len", K(ret), K(lob_right));
} else if (new_len != old_len) {
result = false;
} else if (lob_left.has_inrow_data() && lob_right.has_inrow_data()) {
// do both inrow check
ObString left_str;
ObString right_str;
if (OB_FAIL(lob_left.get_inrow_data(left_str))) {
LOG_WARN("fail to get old inrow data", K(ret), K(lob_left));
} else if (OB_FAIL(lob_right.get_inrow_data(right_str))) {
LOG_WARN("fail to get new inrow data", K(ret), K(lob_left));
} else {
result = (0 == MEMCMP(left_str.ptr(), right_str.ptr(), left_str.length()));
}
} else if (OB_FAIL(compare(lob_left, lob_right, cmp_params, cmp_res))) {
LOG_WARN("fail to compare lob", K(ret), K(lob_left), K(lob_right));
} else {
result = (0 == cmp_res);
}
return ret;
}
int ObLobManager::compare(ObLobLocatorV2& lob_left,
ObLobLocatorV2& lob_right,
ObLobCompareParams& cmp_params,
int64_t& result) {
INIT_SUCC(ret);
ObArenaAllocator tmp_allocator(ObModIds::OB_LOB_READER, OB_MALLOC_NORMAL_BLOCK_SIZE, MTL_ID());
ObArenaAllocator tmp_allocator(ObModIds::OB_LOB_READER, OB_MALLOC_MIDDLE_BLOCK_SIZE, MTL_ID());
ObLobManager *lob_mngr = MTL(ObLobManager*);
if (OB_ISNULL(lob_mngr)) {
ret = OB_ERR_UNEXPECTED;
@ -817,15 +851,18 @@ int ObLobManager::compare(ObLobAccessParam& param_left,
} else if (OB_FAIL(query(param_right, iter_right))) {
LOG_WARN("query param right by iter failed.", K(ret), K(param_right));
} else {
uint64_t read_buff_size = ObLobManager::LOB_READ_BUFFER_LEN;
uint64_t read_buff_size = OB_MALLOC_MIDDLE_BLOCK_SIZE; // 64KB
char *read_buff = nullptr;
char *charset_convert_buff_ptr = nullptr;
uint64_t charset_convert_buff_size = read_buff_size * ObCharset::CharConvertFactorNum;
bool need_convert_charset = (collation_left != CS_TYPE_BINARY);
uint64_t charset_convert_buff_size = need_convert_charset ?
0 : read_buff_size * ObCharset::CharConvertFactorNum;
if (OB_ISNULL((read_buff = static_cast<char*>(tmp_allocator->alloc(read_buff_size * 2))))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc read buffer failed.", K(ret), K(read_buff_size));
} else if (OB_ISNULL((charset_convert_buff_ptr = static_cast<char*>(tmp_allocator->alloc(charset_convert_buff_size))))) {
} else if (need_convert_charset &&
OB_ISNULL((charset_convert_buff_ptr = static_cast<char*>(tmp_allocator->alloc(charset_convert_buff_size))))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("alloc charset convert buffer failed.", K(ret), K(charset_convert_buff_size));
} else {
@ -863,7 +900,7 @@ int ObLobManager::compare(ObLobAccessParam& param_left,
} else {
ret = OB_SUCCESS;
}
} else {
} else if (need_convert_charset) {
// convert right lob to left charset if necessary
if(OB_FAIL(ObExprUtil::convert_string_collation(
read_buffer_right, collation_right,
@ -873,6 +910,8 @@ int ObLobManager::compare(ObLobAccessParam& param_left,
K(read_buffer_right), K(collation_right),
K(convert_buffer_right), K(cmp_collation));
}
} else {
convert_buffer_right.assign_ptr(read_buffer_right.ptr(), read_buffer_right.length());
}
}
if (OB_SUCC(ret)) {