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branches/zip: Introduce UNIV_ZIP_COPY for invoking page_zip_copy_recs()

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more often in B-tree operations.
This commit is contained in:
marko 2008-10-15 09:21:54 +00:00
parent 05c33d6d3f
commit f644f6af5e
2 changed files with 22 additions and 4 deletions
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24
btr/btr0btr.c
View file

@ -1177,7 +1177,11 @@ btr_root_raise_and_insert(
/* Copy the records from root to the new page one by one. */
if (UNIV_UNLIKELY
if (0
#ifdef UNIV_ZIP_COPY
|| new_page_zip
#endif /* UNIV_ZIP_COPY */
|| UNIV_UNLIKELY
(!page_copy_rec_list_end(new_block, root_block,
page_get_infimum_rec(root),
index, mtr))) {
@ -1947,7 +1951,11 @@ insert_right:
if (direction == FSP_DOWN) {
/* fputs("Split left\n", stderr); */
if (UNIV_UNLIKELY
if (0
#ifdef UNIV_ZIP_COPY
|| page_zip
#endif /* UNIV_ZIP_COPY */
|| UNIV_UNLIKELY
(!page_move_rec_list_start(new_block, block, move_limit,
cursor->index, mtr))) {
/* For some reason, compressing new_page failed,
@ -1986,7 +1994,11 @@ insert_right:
} else {
/* fputs("Split right\n", stderr); */
if (UNIV_UNLIKELY
if (0
#ifdef UNIV_ZIP_COPY
|| page_zip
#endif /* UNIV_ZIP_COPY */
|| UNIV_UNLIKELY
(!page_move_rec_list_end(new_block, block, move_limit,
cursor->index, mtr))) {
/* For some reason, compressing new_page failed,
@ -2359,7 +2371,11 @@ btr_lift_page_up(
btr_page_set_level(father_page, father_page_zip, page_level, mtr);
/* Copy the records to the father page one by one. */
if (UNIV_UNLIKELY
if (0
#ifdef UNIV_ZIP_COPY
|| father_page_zip
#endif /* UNIV_ZIP_COPY */
|| UNIV_UNLIKELY
(!page_copy_rec_list_end(father_block, block,
page_get_infimum_rec(page),
index, mtr))) {

2
include/univ.i
View file

@ -158,6 +158,8 @@ operations (very slow); also UNIV_DEBUG must be defined */
printing B-trees */
#define UNIV_ZIP_DEBUG /* extensive consistency checks
for compressed pages */
#define UNIV_ZIP_COPY /* call page_zip_copy_recs()
more often */
#endif
#define UNIV_BTR_DEBUG /* check B-tree links */