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[CP] fix reverse reserved data incorrect

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This commit is contained in:
shadowao
2024-07-31 11:47:49 +00:00
committed by ob-robot
parent a91e79e542
commit 8bf46bccfd
1 changed files with 3 additions and 3 deletions
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6
src/share/ob_lob_access_utils.cpp
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@ -558,7 +558,7 @@ int ObTextStringIter::reserve_data()
uint32 reserved_char_end_pos =
static_cast<uint32_t>(ObCharset::charpos(cs_type_, ctx_->buff_, ctx_->content_byte_len_, reserved_char_end));
ctx_->reserved_byte_len_ = reserved_char_end_pos;
MEMMOVE(ctx_->buff_ + ctx_->content_byte_len_ - ctx_->reserved_byte_len_,
MEMMOVE(ctx_->buff_ + ctx_->buff_byte_len_ - ctx_->reserved_byte_len_,
ctx_->buff_,
ctx_->reserved_byte_len_);
} else {}
@ -580,7 +580,7 @@ int ObTextStringIter::reserve_byte_data()
uint32 reserved_byte_start = ctx_->content_byte_len_ - ctx_->reserved_byte_len_;
MEMMOVE(ctx_->buff_, ctx_->buff_ + reserved_byte_start, ctx_->reserved_byte_len_);
} else if (ctx_->is_backward_) {
MEMMOVE(ctx_->buff_ + ctx_->content_byte_len_ - ctx_->reserved_byte_len_,
MEMMOVE(ctx_->buff_ + ctx_->buff_byte_len_ - ctx_->reserved_byte_len_,
ctx_->buff_,
ctx_->reserved_byte_len_);
} else {}
@ -627,7 +627,7 @@ int ObTextStringIter::get_next_block_inner(ObString &str)
// from :[0, output_data.length_][output_data.length_, output_data.buffer_size_][reserved_part]
// to :[0, output_data.length_][reserved_part]
MEMMOVE(output_data.ptr() + output_data.length(),
output_data.ptr() + output_data.length() + output_data.remain(),
ctx_->buff_ + ctx_->buff_byte_len_ - ctx_->reserved_byte_len_,
ctx_->reserved_byte_len_);
}
ctx_->content_byte_len_ = ctx_->reserved_byte_len_ + output_data.length();