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fix oracle char pad problem

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This commit is contained in:
chaser-ch
2024-05-07 05:42:22 +00:00
committed by ob-robot
parent 88a06c9314
commit 3577f219dc
1 changed files with 29 additions and 39 deletions
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68
src/storage/ob_storage_util.cpp
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@ -37,38 +37,22 @@ OB_INLINE static const ObString get_padding_str(ObCollationType coll_type)
OB_INLINE static void append_padding_pattern(const ObString &space_pattern,
const int32_t offset,
const int32_t buf_len,
char *&buf)
char *&buf,
int32_t &true_len)
{
if (1 == space_pattern.length()) {
true_len = offset;
if (OB_UNLIKELY((buf_len - offset) < space_pattern.length())) {
} else if (1 == space_pattern.length()) {
MEMSET(buf + offset, space_pattern[0], buf_len - offset);
true_len = buf_len;
} else {
for (int32_t i = offset; i < buf_len; i += space_pattern.length()) {
for (int32_t i = offset; i <= (buf_len - space_pattern.length()); i += space_pattern.length()) {
MEMCPY(buf + i, space_pattern.ptr(), space_pattern.length());
true_len += space_pattern.length();
}
}
}
OB_INLINE static int pad_datum_on_local_buf(const ObString &space_pattern,
int32_t pad_whitespace_length,
common::ObIAllocator &padding_alloc,
const char *&data_ptr,
uint32_t &data_len)
{
int ret = OB_SUCCESS;
char *buf = nullptr;
const int32_t buf_len = data_len + pad_whitespace_length * space_pattern.length();
if (OB_ISNULL((buf = (char*) padding_alloc.alloc(buf_len)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
STORAGE_LOG(WARN, "no memory", K(ret));
} else {
MEMCPY(buf, data_ptr, data_len);
append_padding_pattern(space_pattern, data_len, buf_len, buf);
data_ptr = buf;
data_len = buf_len;
}
return ret;
}
OB_INLINE static int pad_on_local_buf(const ObString &space_pattern,
int32_t pad_whitespace_length,
common::ObIAllocator &padding_alloc,
@ -77,15 +61,17 @@ OB_INLINE static int pad_on_local_buf(const ObString &space_pattern,
{
int ret = OB_SUCCESS;
char *buf = nullptr;
const int32_t buf_len = length + pad_whitespace_length * space_pattern.length();
const int32_t pad_len = length + pad_whitespace_length * space_pattern.length();
const int64_t buf_len = lib::is_oracle_mode() ? MIN(pad_len, OB_MAX_ORACLE_CHAR_LENGTH_BYTE) : pad_len;
if (OB_ISNULL((buf = (char*) padding_alloc.alloc(buf_len)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
STORAGE_LOG(WARN, "no memory", K(ret));
} else {
int32_t true_len = 0;
MEMCPY(buf, ptr, length);
append_padding_pattern(space_pattern, length, buf_len, buf);
append_padding_pattern(space_pattern, length, buf_len, buf, true_len);
ptr = buf;
length = buf_len;
length = true_len;
}
return ret;
}
@ -134,7 +120,7 @@ int pad_column(const ObObjMeta &obj_meta, const ObAccuracy accuracy, common::ObI
cur_len = static_cast<int32_t>(ObCharset::strlen_char(cs_type, datum.ptr_, datum.pack_));
}
if (cur_len < length &&
OB_FAIL(pad_datum_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
OB_FAIL(pad_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
STORAGE_LOG(WARN, "fail to pad on padding allocator", K(ret), K(length), K(cur_len), K(datum));
}
}
@ -160,15 +146,17 @@ int pad_column(const common::ObAccuracy accuracy, sql::ObEvalCtx &ctx, sql::ObEx
}
if (cur_len < length) {
char *ptr = nullptr;
const int32_t buf_len = datum.pack_ + (length - cur_len) * space_pattern.length();
const int32_t pad_len = datum.pack_ + (length - cur_len) * space_pattern.length();
const int64_t buf_len = lib::is_oracle_mode() ? MIN(pad_len, OB_MAX_ORACLE_CHAR_LENGTH_BYTE) : pad_len;
if (OB_ISNULL(ptr = expr.get_str_res_mem(ctx, buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
STORAGE_LOG(WARN, "no memory", K(ret));
} else {
int32_t true_len = 0;
MEMMOVE(ptr, datum.ptr_, datum.pack_);
append_padding_pattern(space_pattern, datum.pack_, buf_len, ptr);
append_padding_pattern(space_pattern, datum.pack_, buf_len, ptr, true_len);
datum.ptr_ = ptr;
datum.pack_ = buf_len;
datum.pack_ = true_len;
}
}
}
@ -192,14 +180,15 @@ int pad_on_datums(const common::ObAccuracy accuracy,
ret = OB_ALLOCATE_MEMORY_FAILED;
STORAGE_LOG(WARN, "no memory", K(ret));
} else {
append_padding_pattern(space_pattern, 0, buf_len, buf);
int32_t true_len = 0;
append_padding_pattern(space_pattern, 0, buf_len, buf, true_len);
for (int64_t i = 0; i < row_count; i++) {
common::ObDatum &datum = datums[i];
if (datum.is_null()) {
// do nothing
} else if (0 == datum.pack_){
datum.ptr_ = buf;
datum.pack_ = buf_len;
datum.pack_ = true_len;
}
}
}
@ -226,7 +215,7 @@ int pad_on_datums(const common::ObAccuracy accuracy,
} else {
int32_t cur_len = static_cast<int32_t>(ObCharset::strlen_char(cs_type, datum.ptr_, datum.pack_));
if (cur_len < length &&
OB_FAIL(pad_datum_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
OB_FAIL(pad_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
STORAGE_LOG(WARN, "fail to pad on padding allocator", K(ret), K(length), K(cur_len), K(datum));
}
}
@ -246,7 +235,7 @@ int pad_on_datums(const common::ObAccuracy accuracy,
cur_len = static_cast<int32_t>(ObCharset::strlen_char(cs_type, datum.ptr_, datum.pack_));
}
if (cur_len < length &&
OB_FAIL(pad_datum_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
OB_FAIL(pad_on_local_buf(space_pattern, length - cur_len, padding_alloc, datum.ptr_, datum.pack_))) {
STORAGE_LOG(WARN, "fail to pad on padding allocator", K(ret), K(length), K(cur_len), K(datum));
}
}
@ -282,13 +271,14 @@ int pad_on_rich_format_columns(const common::ObAccuracy accuracy,
ret = OB_ALLOCATE_MEMORY_FAILED;
STORAGE_LOG(WARN, "no memory", K(ret));
} else {
append_padding_pattern(space_pattern, 0, buf_len, buf);
int32_t true_len = 0;
append_padding_pattern(space_pattern, 0, buf_len, buf, true_len);
for (int64_t i = vec_offset; i < vec_offset + row_count; i++) {
if (nulls->at(i)) {
// do nothing
} else if (0 == lens[i]){
ptrs[i] = buf;
lens[i] = buf_len;
lens[i] = true_len;
}
}
}
@ -314,7 +304,7 @@ int pad_on_rich_format_columns(const common::ObAccuracy accuracy,
} else {
int32_t cur_len = static_cast<int32_t>(ObCharset::strlen_char(cs_type, ptrs[i], lens[i]));
if (cur_len < length &&
OB_FAIL(pad_datum_on_local_buf(space_pattern, length - cur_len, padding_alloc, (const char *&)ptrs[i], (uint32_t &)lens[i]))) {
OB_FAIL(pad_on_local_buf(space_pattern, length - cur_len, padding_alloc, (const char *&)ptrs[i], (uint32_t &)lens[i]))) {
STORAGE_LOG(WARN, "fail to pad on padding allocator", K(ret), K(length), K(cur_len));
}
}
@ -333,7 +323,7 @@ int pad_on_rich_format_columns(const common::ObAccuracy accuracy,
cur_len = static_cast<int32_t>(ObCharset::strlen_char(cs_type, ptrs[i], lens[i]));
}
if (cur_len < length &&
OB_FAIL(pad_datum_on_local_buf(space_pattern, length - cur_len, padding_alloc, (const char *&)ptrs[i], (uint32_t &)lens[i]))) {
OB_FAIL(pad_on_local_buf(space_pattern, length - cur_len, padding_alloc, (const char *&)ptrs[i], (uint32_t &)lens[i]))) {
STORAGE_LOG(WARN, "fail to pad on padding allocator", K(ret), K(length), K(cur_len));
}
}