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MDEV-40621 InnoDB: Failing assertion: doc_id == src_node->last_doc_id

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AuxRecordReader::default_word_processor(): InnoDB fails to consider
the ilist data can be stored externally while decoding the auxiliary
table record.
This commit is contained in:
Thirunarayanan Balathandayuthapani
2026-08-14 11:47:23 +05:30
parent 0ee34e07bd
commit f969bd80c7
3 changed files with 49 additions and 9 deletions
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15
mysql-test/suite/innodb_fts/r/fulltext.result
View File

@@ -846,3 +846,18 @@ DROP TABLE t1, t2;
#
# End of 10.11 tests
#
#
# MDEV-40621 InnoDB: Failing assertion: doc_id == src_node->last_doc_id
#
CREATE TABLE t1 (f1 INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
f2 MEDIUMTEXT,
FULLTEXT KEY ftidx (f2)) ENGINE=InnoDB;
INSERT INTO t1 (f2) SELECT REPEAT('megaword ', 30) FROM seq_1_to_260;
DELETE FROM t1 WHERE f1 = 1;
SET GLOBAL innodb_optimize_fulltext_only = ON;
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize status OK
SET GLOBAL innodb_optimize_fulltext_only = OFF;
DROP TABLE t1;
# End of 13.1 tests

15
mysql-test/suite/innodb_fts/t/fulltext.test
View File

@@ -3,6 +3,7 @@
#
--source include/have_innodb.inc
--source include/have_sequence.inc
CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b)) ENGINE = InnoDB;
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
@@ -855,3 +856,17 @@ DROP TABLE t1, t2;
--echo # End of 10.11 tests
--echo #
--echo #
--echo # MDEV-40621 InnoDB: Failing assertion: doc_id == src_node->last_doc_id
--echo #
CREATE TABLE t1 (f1 INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
f2 MEDIUMTEXT,
FULLTEXT KEY ftidx (f2)) ENGINE=InnoDB;
INSERT INTO t1 (f2) SELECT REPEAT('megaword ', 30) FROM seq_1_to_260;
DELETE FROM t1 WHERE f1 = 1;
SET GLOBAL innodb_optimize_fulltext_only = ON;
OPTIMIZE TABLE t1;
SET GLOBAL innodb_optimize_fulltext_only = OFF;
DROP TABLE t1;
--echo # End of 13.1 tests

28
storage/innobase/fts/fts0exec.cc
View File

@@ -761,9 +761,6 @@ dberr_t AuxRecordReader::default_word_processor(
const byte* doc_count_data= rec_get_nth_field(rec, offsets, 5, &doc_count_len);
uint32_t doc_count= mach_read_from_4(doc_count_data);
ulint ilist_len;
const byte* ilist_data= rec_get_nth_field(rec, offsets, 6, &ilist_len);
fts_word_t *word;
bool is_word_init= false;
@@ -800,17 +797,30 @@ dberr_t AuxRecordReader::default_word_processor(
node->ilist_size_alloc= node->ilist_size= 0;
node->ilist= nullptr;
ulint ilist_len;
const byte* ilist_data;
mem_heap_t* ext_heap= nullptr;
if (rec_offs_nth_extern(offsets, 6))
{
ext_heap= mem_heap_create(FTS_ILIST_MAX_SIZE);
ilist_data= btr_rec_copy_externally_stored_field(
rec, offsets, index->table->space->zip_size(), 6, &ilist_len,
ext_heap);
}
else
ilist_data= rec_get_nth_field(rec, offsets, 6, &ilist_len);
if (ilist_data && ilist_len != UNIV_SQL_NULL && ilist_len > 0)
{
node->ilist_size_alloc= node->ilist_size= ilist_len;
if (ilist_len)
{
node->ilist= static_cast<byte*>(ut_malloc_nokey(ilist_len));
memcpy(node->ilist, ilist_data, ilist_len);
}
if (ilist_len == 0) return DB_SUCCESS_LOCKED_REC;
node->ilist=
static_cast<byte*>(memcpy(ut_malloc_nokey(ilist_len), ilist_data,
ilist_len));
}
if (ext_heap)
mem_heap_free(ext_heap);
if (this->total_memory)
{
if (is_word_init)