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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä 2022-02-14 08:56:50 +02:00
commit c9bc10e6e8
4 changed files with 53 additions and 1 deletions
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19
mysql-test/suite/innodb/r/blob_cmp_empty.result Normal file
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@ -0,0 +1,19 @@
connect prevent_purge,localhost,root,,;
start transaction with consistent snapshot;
connection default;
SET @fill_amount = (@@innodb_page_size / 2 ) + 1;
CREATE TABLE t1 (col_text TEXT NOT NULL, KEY (col_text(9))) ENGINE=InnoDB;
INSERT INTO t1 (col_text) VALUES (REPEAT('x', @fill_amount));
UPDATE t1 SET col_text='';
UPDATE t1 SET col_text=REPEAT('y', @fill_amount);
connect con1,localhost,root,,;
SET @fill_amount = (@@innodb_page_size / 2 ) + 1;
BEGIN;
INSERT INTO t1 (col_text) VALUES (REPEAT('z', @fill_amount));
connection default;
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
disconnect con1;
disconnect prevent_purge;
DROP TABLE t1;

26
mysql-test/suite/innodb/t/blob_cmp_empty.test Normal file
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@ -0,0 +1,26 @@
--source include/innodb_row_format.inc
--source include/count_sessions.inc
--connect(prevent_purge,localhost,root,,)
start transaction with consistent snapshot;
--connection default
SET @fill_amount = (@@innodb_page_size / 2 ) + 1;
CREATE TABLE t1 (col_text TEXT NOT NULL, KEY (col_text(9))) ENGINE=InnoDB;
INSERT INTO t1 (col_text) VALUES (REPEAT('x', @fill_amount));
UPDATE t1 SET col_text='';
UPDATE t1 SET col_text=REPEAT('y', @fill_amount);
--connect(con1,localhost,root,,)
SET @fill_amount = (@@innodb_page_size / 2 ) + 1;
BEGIN;
INSERT INTO t1 (col_text) VALUES (REPEAT('z', @fill_amount));
--connection default
# If the bug is not fixed, CHECK TABLE will complain about wrong secondary index
# rows count
CHECK TABLE t1;
--disconnect con1
--disconnect prevent_purge
DROP TABLE t1;
--source include/wait_until_count_sessions.inc

1
mysql-test/suite/innodb_gis/disabled.def
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@ -12,3 +12,4 @@
rtree_concurrent_srch : MDEV-15284 COUNT(*) mismatch
rtree_recovery : MDEV-15284 COUNT(*) mismatch
rtree_compress2 : MDEV-16269 CHECK TABLE reports wrong count

8
storage/innobase/row/row0sel.cc
View File

@ -357,11 +357,16 @@ row_sel_sec_rec_is_for_clust_rec(
}
len = clust_len;
ulint prefix_len = ifield->prefix_len;
if (rec_offs_nth_extern(clust_offs, clust_pos)) {
/* BLOB can contain prefix. */
len -= BTR_EXTERN_FIELD_REF_SIZE;
if (!len) {
goto compare_blobs;
}
}
if (ulint prefix_len = ifield->prefix_len) {
if (prefix_len) {
len = dtype_get_at_most_n_mbchars(
col->prtype, col->mbminlen,
col->mbmaxlen, prefix_len, len,
@ -374,6 +379,7 @@ row_sel_sec_rec_is_for_clust_rec(
check_for_blob:
if (rec_offs_nth_extern(clust_offs,
clust_pos)) {
compare_blobs:
if (!row_sel_sec_rec_is_for_blob(
col->mtype, col->prtype,
col->mbminlen,