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-rw-r--r--innobase/btr/btr0btr.c123
-rw-r--r--innobase/include/btr0btr.h13
-rw-r--r--innobase/include/btr0pcur.h8
-rw-r--r--innobase/include/btr0pcur.ic18
-rw-r--r--innobase/include/db0err.h3
-rw-r--r--innobase/page/page0page.c92
-rw-r--r--innobase/row/row0sel.c55
7 files changed, 241 insertions, 71 deletions
diff --git a/innobase/btr/btr0btr.c b/innobase/btr/btr0btr.c
index e4cfdf80fc6..a1665aefab7 100644
--- a/innobase/btr/btr0btr.c
+++ b/innobase/btr/btr0btr.c
@@ -2295,20 +2295,26 @@ btr_check_node_ptr(
/****************************************************************
Checks the size and number of fields in a record based on the definition of
the index. */
-static
+
ibool
btr_index_rec_validate(
/*====================*/
- /* out: TRUE if ok */
- rec_t* rec, /* in: index record */
- dict_index_t* index) /* in: index */
+ /* out: TRUE if ok */
+ rec_t* rec, /* in: index record */
+ dict_index_t* index, /* in: index */
+ ibool dump_on_error) /* in: TRUE if the function
+ should print hex dump of record
+ and page on error */
{
dtype_t* type;
byte* data;
ulint len;
ulint n;
ulint i;
+ page_t* page;
char err_buf[1000];
+
+ page = buf_frame_align(rec);
if (index->type & DICT_UNIVERSAL) {
/* The insert buffer index tree can contain records from any
@@ -2321,11 +2327,22 @@ btr_index_rec_validate(
n = dict_index_get_n_fields(index);
if (rec_get_n_fields(rec) != n) {
- fprintf(stderr, "Record has %lu fields, should have %lu\n",
- rec_get_n_fields(rec), n);
+ fprintf(stderr,
+"InnoDB: Record in index %s in table %s, page %lu, at offset %lu\n"
+"InnoDB: has %lu fields, should have %lu\n",
+ index->name, index->table_name,
+ buf_frame_get_page_no(page), (ulint)(rec - page),
+ rec_get_n_fields(rec), n);
+
+ if (!dump_on_error) {
+
+ return(FALSE);
+ }
+
+ buf_page_print(page);
rec_sprintf(err_buf, 900, rec);
- fprintf(stderr, "InnoDB: record %s\n", err_buf);
+ fprintf(stderr, "InnoDB: corrupt record %s\n", err_buf);
return(FALSE);
}
@@ -2336,13 +2353,25 @@ btr_index_rec_validate(
type = dict_index_get_nth_type(index, i);
if (len != UNIV_SQL_NULL && dtype_is_fixed_size(type)
- && len != dtype_get_fixed_size(type)) {
+ && len != dtype_get_fixed_size(type)) {
fprintf(stderr,
- "Record field %lu len is %lu, should be %lu\n",
+"InnoDB: Record in index %s in table %s, page %lu, at offset %lu\n"
+"InnoDB: field %lu len is %lu, should be %lu\n",
+ index->name, index->table_name,
+ buf_frame_get_page_no(page),
+ (ulint)(rec - page),
i, len, dtype_get_fixed_size(type));
+ if (!dump_on_error) {
+
+ return(FALSE);
+ }
+
+ buf_page_print(page);
+
rec_sprintf(err_buf, 900, rec);
- fprintf(stderr, "InnoDB: record %s\n", err_buf);
+ fprintf(stderr,
+ "InnoDB: corrupt record %s\n", err_buf);
return(FALSE);
}
@@ -2373,12 +2402,13 @@ btr_index_page_validate(
rec = (&cur)->rec;
if (page_cur_is_after_last(&cur)) {
+
break;
}
- if (!btr_index_rec_validate(rec, index)) {
+ if (!btr_index_rec_validate(rec, index, TRUE)) {
- ret = FALSE;
+ return(FALSE);
}
page_cur_move_to_next(&cur);
@@ -2435,25 +2465,26 @@ btr_validate_level(
index = UT_LIST_GET_FIRST(tree->tree_indexes);
- /* Now we are on the desired level */
+ /* Now we are on the desired level. Loop through the pages on that
+ level. */
loop:
mtr_x_lock(dict_tree_get_lock(tree), &mtr);
/* Check ordering etc. of records */
if (!page_validate(page, index)) {
- fprintf(stderr, "Error in page %lu in index %s\n",
- buf_frame_get_page_no(page), index->name);
+ fprintf(stderr,
+"InnoDB: Error in page %lu in index %s table %s, index tree level %lu\n",
+ buf_frame_get_page_no(page), index->name,
+ index->table_name, level);
ret = FALSE;
- }
+ } else if (level == 0) {
+ /* We are on level 0. Check that the records have the right
+ number of fields, and field lengths are right. */
- if (level == 0) {
if (!btr_index_page_validate(page, index)) {
- fprintf(stderr,
- "Error in page %lu in index %s, level %lu\n",
- buf_frame_get_page_no(page), index->name,
- level);
+
ret = FALSE;
}
}
@@ -2476,14 +2507,17 @@ loop:
UT_LIST_GET_FIRST(tree->tree_indexes)) >= 0) {
fprintf(stderr,
- "InnoDB: Error on pages %lu and %lu in index %s\n",
+ "InnoDB: Error on pages %lu and %lu in index %s table %s\n",
buf_frame_get_page_no(page),
right_page_no,
- index->name);
+ index->name, index->table_name);
fprintf(stderr,
"InnoDB: records in wrong order on adjacent pages\n");
+ buf_page_print(page);
+ buf_page_print(right_page);
+
rec_sprintf(err_buf, 900,
page_rec_get_prev(page_get_supremum_rec(page)));
fprintf(stderr, "InnoDB: record %s\n", err_buf);
@@ -2506,6 +2540,7 @@ loop:
/* Check father node pointers */
node_ptr = btr_page_get_father_node_ptr(tree, page, &mtr);
+ father_page = buf_frame_align(node_ptr);
if (btr_node_ptr_get_child_page_no(node_ptr) !=
buf_frame_get_page_no(page)
@@ -2513,13 +2548,16 @@ loop:
page_rec_get_prev(page_get_supremum_rec(page)),
&mtr)) {
fprintf(stderr,
- "InnoDB: Error on page %lu in index %s\n",
+ "InnoDB: Error on page %lu in index %s table %s\n",
buf_frame_get_page_no(page),
- index->name);
+ index->name, index->table_name);
fprintf(stderr,
"InnoDB: node pointer to the page is wrong\n");
+ buf_page_print(father_page);
+ buf_page_print(page);
+
rec_sprintf(err_buf, 900, node_ptr);
fprintf(stderr, "InnoDB: node ptr %s\n", err_buf);
@@ -2540,8 +2578,6 @@ loop:
goto node_ptr_fails;
}
- father_page = buf_frame_align(node_ptr);
-
if (btr_page_get_level(page, &mtr) > 0) {
heap = mem_heap_create(256);
@@ -2555,9 +2591,12 @@ loop:
if (cmp_dtuple_rec(node_ptr_tuple, node_ptr) != 0) {
fprintf(stderr,
- "InnoDB: Error on page %lu in index %s\n",
+ "InnoDB: Error on page %lu in index %s table %s\n",
buf_frame_get_page_no(page),
- index->name);
+ index->name, index->table_name);
+
+ buf_page_print(father_page);
+ buf_page_print(page);
fprintf(stderr,
"InnoDB: Error: node ptrs differ on levels > 0\n");
@@ -2607,9 +2646,13 @@ loop:
"InnoDB: node pointer to the right page is wrong\n");
fprintf(stderr,
- "InnoDB: Error on page %lu in index %s\n",
+ "InnoDB: Error on page %lu in index %s table %s\n",
buf_frame_get_page_no(page),
- index->name);
+ index->name, index->table_name);
+
+ buf_page_print(father_page);
+ buf_page_print(page);
+ buf_page_print(right_page);
}
} else {
right_father_page = buf_frame_align(
@@ -2623,9 +2666,14 @@ loop:
"InnoDB: node pointer 2 to the right page is wrong\n");
fprintf(stderr,
- "InnoDB: Error on page %lu in index %s\n",
+ "InnoDB: Error on page %lu in index %s table %s\n",
buf_frame_get_page_no(page),
- index->name);
+ index->name, index->table_name);
+
+ buf_page_print(father_page);
+ buf_page_print(right_father_page);
+ buf_page_print(page);
+ buf_page_print(right_page);
}
if (buf_frame_get_page_no(right_father_page)
@@ -2636,9 +2684,14 @@ loop:
"InnoDB: node pointer 3 to the right page is wrong\n");
fprintf(stderr,
- "InnoDB: Error on page %lu in index %s\n",
+ "InnoDB: Error on page %lu in index %s table %s\n",
buf_frame_get_page_no(page),
- index->name);
+ index->name, index->table_name);
+
+ buf_page_print(father_page);
+ buf_page_print(right_father_page);
+ buf_page_print(page);
+ buf_page_print(right_page);
}
}
}
diff --git a/innobase/include/btr0btr.h b/innobase/include/btr0btr.h
index f66ad3639d4..3cd44ab5175 100644
--- a/innobase/include/btr0btr.h
+++ b/innobase/include/btr0btr.h
@@ -399,6 +399,19 @@ btr_print_tree(
dict_tree_t* tree, /* in: tree */
ulint width); /* in: print this many entries from start
and end */
+/****************************************************************
+Checks the size and number of fields in a record based on the definition of
+the index. */
+
+ibool
+btr_index_rec_validate(
+/*====================*/
+ /* out: TRUE if ok */
+ rec_t* rec, /* in: index record */
+ dict_index_t* index, /* in: index */
+ ibool dump_on_error); /* in: TRUE if the function
+ should print hex dump of record
+ and page on error */
/******************************************************************
Checks the consistency of an index tree. */
diff --git a/innobase/include/btr0pcur.h b/innobase/include/btr0pcur.h
index 05b55e4491d..9d07dd0de18 100644
--- a/innobase/include/btr0pcur.h
+++ b/innobase/include/btr0pcur.h
@@ -298,6 +298,14 @@ btr_pcur_move_to_prev(
function may release the page latch */
mtr_t* mtr); /* in: mtr */
/*************************************************************
+Moves the persistent cursor to the last record on the same page. */
+UNIV_INLINE
+void
+btr_pcur_move_to_last_on_page(
+/*==========================*/
+ btr_pcur_t* cursor, /* in: persistent cursor */
+ mtr_t* mtr); /* in: mtr */
+/*************************************************************
Moves the persistent cursor to the next user record in the tree. If no user
records are left, the cursor ends up 'after last in tree'. */
UNIV_INLINE
diff --git a/innobase/include/btr0pcur.ic b/innobase/include/btr0pcur.ic
index a60140e4aa9..a1db2cc52dd 100644
--- a/innobase/include/btr0pcur.ic
+++ b/innobase/include/btr0pcur.ic
@@ -285,6 +285,24 @@ btr_pcur_move_to_prev_on_page(
}
/*************************************************************
+Moves the persistent cursor to the last record on the same page. */
+UNIV_INLINE
+void
+btr_pcur_move_to_last_on_page(
+/*==========================*/
+ btr_pcur_t* cursor, /* in: persistent cursor */
+ mtr_t* mtr) /* in: mtr */
+{
+ UT_NOT_USED(mtr);
+ ut_ad(cursor->latch_mode != BTR_NO_LATCHES);
+
+ page_cur_set_after_last(buf_frame_align(btr_pcur_get_rec(cursor)),
+ btr_pcur_get_page_cur(cursor));
+
+ cursor->old_stored = BTR_PCUR_OLD_NOT_STORED;
+}
+
+/*************************************************************
Moves the persistent cursor to the next user record in the tree. If no user
records are left, the cursor ends up 'after last in tree'. */
UNIV_INLINE
diff --git a/innobase/include/db0err.h b/innobase/include/db0err.h
index ddfbd5b7862..86b79b65bf2 100644
--- a/innobase/include/db0err.h
+++ b/innobase/include/db0err.h
@@ -41,7 +41,8 @@ Created 5/24/1996 Heikki Tuuri
which is referenced */
#define DB_CANNOT_ADD_CONSTRAINT 38 /* adding a foreign key constraint
to a table failed */
-
+#define DB_CORRUPTION 39 /* data structure corruption noticed */
+
/* The following are partial failure codes */
#define DB_FAIL 1000
#define DB_OVERFLOW 1001
diff --git a/innobase/page/page0page.c b/innobase/page/page0page.c
index 7d0d88c6afc..7d240bdd5b0 100644
--- a/innobase/page/page0page.c
+++ b/innobase/page/page0page.c
@@ -1299,12 +1299,16 @@ page_rec_validate(
heap_no = rec_get_heap_no(rec);
if (!(n_owned <= PAGE_DIR_SLOT_MAX_N_OWNED)) {
- fprintf(stderr, "Dir slot n owned too big %lu\n", n_owned);
+ fprintf(stderr,
+ "InnoDB: Dir slot of rec %lu, n owned too big %lu\n",
+ (ulint)(rec - page), n_owned);
return(FALSE);
}
if (!(heap_no < page_header_get_field(page, PAGE_N_HEAP))) {
- fprintf(stderr, "Heap no too big %lu %lu\n", heap_no,
+ fprintf(stderr,
+ "InnoDB: Heap no of rec %lu too big %lu %lu\n",
+ (ulint)(rec - page), heap_no,
page_header_get_field(page, PAGE_N_HEAP));
return(FALSE);
}
@@ -1340,7 +1344,7 @@ page_simple_validate(
if (n_slots > UNIV_PAGE_SIZE / 4) {
fprintf(stderr,
- "Nonsensical number %lu of page dir slots\n", n_slots);
+ "InnoDB: Nonsensical number %lu of page dir slots\n", n_slots);
goto func_exit;
}
@@ -1350,7 +1354,7 @@ page_simple_validate(
if (rec_heap_top > page_dir_get_nth_slot(page, n_slots - 1)) {
fprintf(stderr,
- "Record heap and dir overlap on a page, heap top %lu, dir %lu\n",
+ "InnoDB: Record heap and dir overlap on a page, heap top %lu, dir %lu\n",
(ulint)(page_header_get_ptr(page, PAGE_HEAP_TOP) - page),
(ulint)(page_dir_get_nth_slot(page, n_slots - 1) - page));
@@ -1372,7 +1376,7 @@ page_simple_validate(
if (rec > rec_heap_top) {
fprintf(stderr,
- "Record %lu is above rec heap top %lu\n",
+ "InnoDB: Record %lu is above rec heap top %lu\n",
(ulint)(rec - page), (ulint)(rec_heap_top - page));
goto func_exit;
@@ -1383,7 +1387,7 @@ page_simple_validate(
if (rec_get_n_owned(rec) != own_count) {
fprintf(stderr,
- "Wrong owned count %lu, %lu, rec %lu\n",
+ "InnoDB: Wrong owned count %lu, %lu, rec %lu\n",
rec_get_n_owned(rec), own_count,
(ulint)(rec - page));
@@ -1392,7 +1396,7 @@ page_simple_validate(
if (page_dir_slot_get_rec(slot) != rec) {
fprintf(stderr,
- "Dir slot does not point to right rec %lu\n",
+ "InnoDB: Dir slot does not point to right rec %lu\n",
(ulint)(rec - page));
goto func_exit;
@@ -1414,7 +1418,7 @@ page_simple_validate(
if (rec_get_next_offs(rec) < FIL_PAGE_DATA
|| rec_get_next_offs(rec) >= UNIV_PAGE_SIZE) {
fprintf(stderr,
- "Next record offset nonsensical %lu for rec %lu\n",
+ "InnoDB: Next record offset nonsensical %lu for rec %lu\n",
rec_get_next_offs(rec),
(ulint)(rec - page));
@@ -1425,7 +1429,7 @@ page_simple_validate(
if (count > UNIV_PAGE_SIZE) {
fprintf(stderr,
- "Page record list appears to be circular %lu\n",
+ "InnoDB: Page record list appears to be circular %lu\n",
count);
goto func_exit;
}
@@ -1435,19 +1439,19 @@ page_simple_validate(
}
if (rec_get_n_owned(rec) == 0) {
- fprintf(stderr, "n owned is zero in a supremum rec\n");
+ fprintf(stderr, "InnoDB: n owned is zero in a supremum rec\n");
goto func_exit;
}
if (slot_no != n_slots - 1) {
- fprintf(stderr, "n slots wrong %lu, %lu\n",
+ fprintf(stderr, "InnoDB: n slots wrong %lu, %lu\n",
slot_no, n_slots - 1);
goto func_exit;
}
if (page_header_get_field(page, PAGE_N_RECS) + 2 != count + 1) {
- fprintf(stderr, "n recs wrong %lu %lu\n",
+ fprintf(stderr, "InnoDB: n recs wrong %lu %lu\n",
page_header_get_field(page, PAGE_N_RECS) + 2, count + 1);
goto func_exit;
@@ -1460,7 +1464,7 @@ page_simple_validate(
if (rec < page + FIL_PAGE_DATA
|| rec >= page + UNIV_PAGE_SIZE) {
fprintf(stderr,
- "Free list record has a nonsensical offset %lu\n",
+ "InnoDB: Free list record has a nonsensical offset %lu\n",
(ulint)(rec - page));
goto func_exit;
@@ -1468,7 +1472,7 @@ page_simple_validate(
if (rec > rec_heap_top) {
fprintf(stderr,
- "Free list record %lu is above rec heap top %lu\n",
+ "InnoDB: Free list record %lu is above rec heap top %lu\n",
(ulint)(rec - page), (ulint)(rec_heap_top - page));
goto func_exit;
@@ -1478,7 +1482,7 @@ page_simple_validate(
if (count > UNIV_PAGE_SIZE) {
fprintf(stderr,
- "Page free list appears to be circular %lu\n",
+ "InnoDB: Page free list appears to be circular %lu\n",
count);
goto func_exit;
}
@@ -1488,7 +1492,7 @@ page_simple_validate(
if (page_header_get_field(page, PAGE_N_HEAP) != count + 1) {
- fprintf(stderr, "N heap is wrong %lu, %lu\n",
+ fprintf(stderr, "InnoDB: N heap is wrong %lu, %lu\n",
page_header_get_field(page, PAGE_N_HEAP), count + 1);
goto func_exit;
@@ -1528,10 +1532,13 @@ page_validate(
char err_buf[1000];
if (!page_simple_validate(page)) {
+ fprintf(stderr,
+"InnoDB: Apparent corruption in page %lu in index %s in table %s\n",
+ buf_frame_get_page_no(page), index->name,
+ index->table_name);
+
buf_page_print(page);
- fprintf(stderr, "Apparent corruption in a page in index %s\n",
- index->name);
return(FALSE);
}
@@ -1553,7 +1560,7 @@ page_validate(
if (!(page_header_get_ptr(page, PAGE_HEAP_TOP) <=
page_dir_get_nth_slot(page, n_slots - 1))) {
fprintf(stderr,
- "Record heap and dir overlap on a page in index %s, %lu, %lu\n",
+"InnoDB: Record heap and dir overlap on a page in index %s, %lu, %lu\n",
index->name, (ulint)page_header_get_ptr(page, PAGE_HEAP_TOP),
(ulint)page_dir_get_nth_slot(page, n_slots - 1));
@@ -1581,10 +1588,14 @@ page_validate(
if ((count >= 2) && (!page_cur_is_after_last(&cur))) {
if (!(1 == cmp_rec_rec(rec, old_rec, index))) {
fprintf(stderr,
- "Records in wrong order in index %s\n",
- index->name);
+"InnoDB: Records in wrong order on page %lu index %s table %s\n",
+ buf_frame_get_page_no(page),
+ index->name,
+ index->table_name);
+
rec_sprintf(err_buf, 900, old_rec);
- fprintf(stderr, "InnoDB: record %s\n", err_buf);
+ fprintf(stderr,
+ "InnoDB: previous record %s\n", err_buf);
rec_sprintf(err_buf, 900, rec);
fprintf(stderr, "InnoDB: record %s\n", err_buf);
@@ -1606,7 +1617,7 @@ page_validate(
/* No other record may overlap this */
fprintf(stderr,
- "Record overlaps another in index %s \n",
+ "InnoDB: Record overlaps another in index %s \n",
index->name);
goto func_exit;
@@ -1619,7 +1630,7 @@ page_validate(
/* This is a record pointed to by a dir slot */
if (rec_get_n_owned(rec) != own_count) {
fprintf(stderr,
- "Wrong owned count %lu, %lu, in index %s\n",
+ "InnoDB: Wrong owned count %lu, %lu, in index %s\n",
rec_get_n_owned(rec), own_count,
index->name);
@@ -1628,7 +1639,7 @@ page_validate(
if (page_dir_slot_get_rec(slot) != rec) {
fprintf(stderr,
- "Dir slot does not point to right rec in %s\n",
+ "InnoDB: Dir slot does not point to right rec in %s\n",
index->name);
goto func_exit;
@@ -1650,7 +1661,7 @@ page_validate(
if (rec_get_next_offs(rec) < FIL_PAGE_DATA
|| rec_get_next_offs(rec) >= UNIV_PAGE_SIZE) {
fprintf(stderr,
- "Next record offset wrong %lu in index %s\n",
+ "InnoDB: Next record offset wrong %lu in index %s\n",
rec_get_next_offs(rec), index->name);
goto func_exit;
@@ -1663,19 +1674,20 @@ page_validate(
}
if (rec_get_n_owned(rec) == 0) {
- fprintf(stderr, "n owned is zero in index %s\n", index->name);
+ fprintf(stderr,
+ "InnoDB: n owned is zero in index %s\n", index->name);
goto func_exit;
}
if (slot_no != n_slots - 1) {
- fprintf(stderr, "n slots wrong %lu %lu in index %s\n",
+ fprintf(stderr, "InnoDB: n slots wrong %lu %lu in index %s\n",
slot_no, n_slots - 1, index->name);
goto func_exit;
}
if (page_header_get_field(page, PAGE_N_RECS) + 2 != count + 1) {
- fprintf(stderr, "n recs wrong %lu %lu in index %s\n",
+ fprintf(stderr, "InnoDB: n recs wrong %lu %lu in index %s\n",
page_header_get_field(page, PAGE_N_RECS) + 2, count + 1,
index->name);
@@ -1683,7 +1695,8 @@ page_validate(
}
if (data_size != page_get_data_size(page)) {
- fprintf(stderr, "Summed data size %lu, returned by func %lu\n",
+ fprintf(stderr,
+ "InnoDB: Summed data size %lu, returned by func %lu\n",
data_size, page_get_data_size(page));
goto func_exit;
}
@@ -1704,7 +1717,7 @@ page_validate(
if (buf[offs + i] != 0) {
fprintf(stderr,
- "Record overlaps another in free list, index %s \n",
+ "InnoDB: Record overlaps another in free list, index %s \n",
index->name);
goto func_exit;
@@ -1718,9 +1731,11 @@ page_validate(
if (page_header_get_field(page, PAGE_N_HEAP) != count + 1) {
- fprintf(stderr, "N heap is wrong %lu %lu in index %s\n",
- page_header_get_field(page, PAGE_N_HEAP), count + 1,
- index->name);
+ fprintf(stderr,
+ "InnoDB: N heap is wrong %lu %lu in index %s\n",
+ page_header_get_field(page, PAGE_N_HEAP), count + 1,
+ index->name);
+ goto func_exit;
}
ret = TRUE;
@@ -1728,6 +1743,15 @@ page_validate(
func_exit:
mem_heap_free(heap);
+ if (ret == FALSE) {
+ fprintf(stderr,
+"InnoDB: Apparent corruption in page %lu in index %s in table %s\n",
+ buf_frame_get_page_no(page), index->name,
+ index->table_name);
+
+ buf_page_print(page);
+ }
+
return(ret);
}
diff --git a/innobase/row/row0sel.c b/innobase/row/row0sel.c
index fcf48dd15cf..ff23b4e5bca 100644
--- a/innobase/row/row0sel.c
+++ b/innobase/row/row0sel.c
@@ -2560,6 +2560,7 @@ row_search_for_mysql(
then this is set to FALSE */
ibool success;
ulint cnt = 0;
+ ulint next_offs;
mtr_t mtr;
ut_ad(index && pcur && search_tuple);
@@ -2916,7 +2917,59 @@ rec_loop:
goto next_rec;
}
- ut_ad(page_rec_is_user_rec(rec));
+ /*-------------------------------------------------------------*/
+ /* Do sanity checks in case our cursor has bumped into page
+ corruption */
+
+ next_offs = rec_get_next_offs(rec);
+
+ if (next_offs >= UNIV_PAGE_SIZE || next_offs < PAGE_SUPREMUM) {
+
+ if (srv_force_recovery == 0 || moves_up == FALSE) {
+ ut_print_timestamp(stderr);
+ fprintf(stderr,
+" InnoDB: Index corruption: rec offs %lu next offs %lu, page no %lu,\n"
+"InnoDB: index %s, table %s. Run CHECK TABLE to table. You may need to\n"
+"InnoDB: restore from a backup, or dump + drop + reimport the table.\n",
+ (ulint)(rec - buf_frame_align(rec)), next_offs,
+ buf_frame_get_page_no(rec), index->name,
+ index->table_name);
+
+ err = DB_CORRUPTION;
+
+ goto lock_wait_or_error;
+ } else {
+ /* The user may be dumping a corrupt table. Jump
+ over the corruption to recover as much as possible. */
+
+ fprintf(stderr,
+"InnoDB: Index corruption: rec offs %lu next offs %lu, page no %lu,\n"
+"InnoDB: index %s, table %s. We try to skip the rest of the page.\n",
+ (ulint)(rec - buf_frame_align(rec)), next_offs,
+ buf_frame_get_page_no(rec), index->name,
+ index->table_name);
+
+ btr_pcur_move_to_last_on_page(pcur, &mtr);
+
+ goto next_rec;
+ }
+ }
+
+ if (srv_force_recovery > 0) {
+ if (!rec_validate(rec) || !btr_index_rec_validate(rec, index,
+ FALSE)) {
+ fprintf(stderr,
+"InnoDB: Index record corruption: rec offs %lu next offs %lu, page no %lu,\n"
+"InnoDB: index %s, table %s. We try to skip the record.\n",
+ (ulint)(rec - buf_frame_align(rec)), next_offs,
+ buf_frame_get_page_no(rec), index->name,
+ index->table_name);
+
+ goto next_rec;
+ }
+ }
+
+ /*-------------------------------------------------------------*/
if (unique_search_from_clust_index && btr_pcur_get_up_match(pcur)
== dtuple_get_n_fields(search_tuple)) {
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