hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Merge branch 'column_store'

Browse Source 
Co-authored-by: wangt1xiuyi <13547954130@163.com>
Co-authored-by: yangqise7en <877793735@qq.com>
Co-authored-by: Zach41 <zach_41@163.com>
This commit is contained in:
chaser-ch
2023-10-31 15:39:20 +00:00
committed by ob-robot
parent 4057fbc4ae
commit 566e920620
1375 changed files with 239147 additions and 56014 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
src/share/ob_order_perserving_encoder.cpp
View File

@ -177,6 +177,17 @@ int ObOrderPerservingEncoder::make_order_perserving_encode_from_object(ObObj &ob
}
break;
}
case ObDecimalIntType: {
if (to_len + obj.get_int_bytes() > max_buf_len) {
ret = OB_BUF_NOT_ENOUGH;
LOG_TRACE("no enough memory to do encoding", K(ret), K(obj.get_type()),
K(obj.get_int_bytes()));
} else if (OB_FAIL(
encode_from_decint(obj.get_decimal_int(), obj.get_int_bytes(), to, to_len))) {
LOG_WARN("encode from decimal int failed", K(ret));
}
break;
}
case ObURowIDType:
case ObUnknownType:
case ObTinyTextType:
@ -373,6 +384,15 @@ int ObOrderPerservingEncoder::make_order_perserving_encode_from_object(
}
break;
}
case ObDecimalIntType: {
if (to_len + data.len_ > max_buf_len) {
ret = OB_BUF_NOT_ENOUGH;
LOG_TRACE("no enough memory to do encoding", K(ret), K(data.len_), K(param.type_));
} else if (OB_FAIL(encode_from_decint(data.get_decimal_int(), data.len_, to, to_len))) {
LOG_WARN("encode from decimal int failed", K(ret));
}
break;
}
case ObURowIDType:
case ObUnknownType:
case ObTinyTextType:
@ -771,6 +791,65 @@ int ObOrderPerservingEncoder::encode_from_interval_ds(ObIntervalDSValue val,
return OB_SUCCESS;
}
template <typename T>
int ObOrderPerservingEncoder::encode_from_decint(const T &decint, unsigned char *to,
int64_t &to_len)
{
static_assert(wide::IsWideInteger<T>::value, "");
int ret = OB_SUCCESS;
const int item_count = T::ITEM_COUNT;
int64_t high = static_cast<int64_t>(decint.items_[item_count - 1]);
// encode_from_int(high, to, to_len);
high ^= SIGN_MASK_64;
high = bswap_64(high);
MEMCPY(to, (unsigned char *)&high, sizeof(high));
to += sizeof(high);
to_len += sizeof(high);
for (int i = item_count - 2; i >= 0; i--) {
uint64_t val = bswap_64(decint.items_[i]);
MEMCPY(to, (unsigned char *)&val, sizeof(val));
to_len += sizeof(val);
to += sizeof(val);
}
return ret;
}
int ObOrderPerservingEncoder::encode_from_decint(const ObDecimalInt *decint, int32_t int_bytes, unsigned char *to, int64_t &to_len)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(decint)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid decimal int", K(ret), K(decint));
} else {
switch (int_bytes) {
case sizeof(int32_t): {
ret = encode_from_int32(*reinterpret_cast<const int32_t *>(decint), to, to_len);
break;
}
case sizeof(int64_t): {
ret = encode_from_int(*reinterpret_cast<const int64_t *>(decint), to, to_len);
break;
}
case sizeof(int128_t): {
ret = encode_from_decint(*reinterpret_cast<const int128_t *>(decint), to, to_len);
break;
}
case sizeof(int256_t): {
ret = encode_from_decint(*reinterpret_cast<const int256_t *>(decint), to, to_len);
break;
}
case sizeof(int512_t): {
ret = encode_from_decint(*reinterpret_cast<const int512_t *>(decint), to, to_len);
break;
}
default: {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected int bytes", K(ret), K(int_bytes));
}
}
}
return ret;
}
int ObOrderPerservingEncoder::encode_tails(unsigned char *to, int64_t max_buf_len,
int64_t &to_len, bool is_mem,