Commit eb992f4a authored by Karen Langford's avatar Karen Langford

Merge

parents f50ebfa5 a89d9d02
2010-05-03 The InnoDB Team
* buf0buf.c:
Fix Bug#53248 compressed tables page checksum mismatch after
re-enabling innodb_checksums
2010-04-28 The InnoDB Team
* log/log0recv.h, log/log0recv.c:
......
......@@ -1999,9 +1999,13 @@ btr_page_split_and_insert(
split_rec = NULL;
goto insert_empty;
}
} else if (UNIV_UNLIKELY(insert_left)) {
first_rec = page_rec_get_next(page_get_infimum_rec(page));
move_limit = page_rec_get_next(btr_cur_get_rec(cursor));
} else {
insert_empty:
ut_ad(!split_rec);
ut_ad(!insert_left);
buf = mem_alloc(rec_get_converted_size(cursor->index,
tuple, n_ext));
......@@ -2025,7 +2029,11 @@ btr_page_split_and_insert(
&& btr_page_insert_fits(cursor, split_rec,
offsets, tuple, n_ext, heap);
} else {
if (!insert_left) {
mem_free(buf);
buf = NULL;
}
insert_will_fit = !new_page_zip
&& btr_page_insert_fits(cursor, NULL,
NULL, tuple, n_ext, heap);
......
......@@ -1821,13 +1821,13 @@ buf_zip_decompress(
ibool check) /*!< in: TRUE=verify the page checksum */
{
const byte* frame = block->page.zip.data;
ulint stamp_checksum = mach_read_from_4(
frame + FIL_PAGE_SPACE_OR_CHKSUM);
ut_ad(buf_block_get_zip_size(block));
ut_a(buf_block_get_space(block) != 0);
if (UNIV_LIKELY(check)) {
ulint stamp_checksum = mach_read_from_4(
frame + FIL_PAGE_SPACE_OR_CHKSUM);
if (UNIV_LIKELY(check && stamp_checksum != BUF_NO_CHECKSUM_MAGIC)) {
ulint calc_checksum = page_zip_calc_checksum(
frame, page_zip_get_size(&block->page.zip));
......@@ -2251,8 +2251,9 @@ buf_page_get_gen(
/* Decompress the page and apply buffered operations
while not holding buf_pool_mutex or block->mutex. */
success = buf_zip_decompress(block, srv_use_checksums);
ut_a(success);
if (UNIV_LIKELY(success && !recv_no_ibuf_operations)) {
if (UNIV_LIKELY(!recv_no_ibuf_operations)) {
ibuf_merge_or_delete_for_page(block, space, offset,
zip_size, TRUE);
}
......@@ -2265,13 +2266,6 @@ buf_page_get_gen(
mutex_exit(&block->mutex);
buf_pool->n_pend_unzip--;
rw_lock_x_unlock(&block->lock);
if (UNIV_UNLIKELY(!success)) {
buf_pool_mutex_exit();
return(NULL);
}
break;
case BUF_BLOCK_ZIP_FREE:
......
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