polardbxengine/mysql-test/suite/innodb/r/virtual_uncommitted.result

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#
# Bug #26625652: SIG=11 ROW_SEL_SEC_REC_IS_FOR_CLUST_REC ROW_SEARCH_MVCC
#
# Connection default:
SET @page_size = @@innodb_page_size;
SET @page_count = 4;
SET @initial_isolation = @@SESSION.transaction_isolation;
SET DEBUG_SYNC='reset';
# Connection con1:
SET SESSION transaction_isolation = 'READ-UNCOMMITTED';
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
READ-UNCOMMITTED
# Connection default:
SET SESSION transaction_isolation = 'READ-UNCOMMITTED';
SELECT @@SESSION.transaction_isolation;
@@SESSION.transaction_isolation
READ-UNCOMMITTED
CREATE TABLE t (
a INT,
c VARCHAR(100),
j JSON,
vj varchar(100) as (json_unquote(j->'$.hash')) virtual,
INDEX idx_a(a),
INDEX idx_c(c),
INDEX idx_vj(vj)
) ROW_FORMAT=COMPACT;
set @json_data_a = repeat('a', @page_size * @page_count);
set @json_data_b = repeat('b', @page_size * @page_count);
set @json_data_c = repeat('c', @page_size * @page_count);
INSERT INTO t VALUES
(1, 'aaaa123xx', CONCAT('{ "hash": "the_hash_a", "data": "', @json_data_a, '" }'), DEFAULT),
(2, 'aaaa1234x', CONCAT('{ "hash": "the_hash_b", "data": "', @json_data_b, '" }'), DEFAULT),
(3, 'aaaa12345', CONCAT('{ "hash": "the_hash_c", "data": "', @json_data_c, '" }'), DEFAULT);
# Connection con1:
SET DEBUG_SYNC='blob_write_middle_after_check SIGNAL s1 WAIT_FOR s2 EXECUTE 2';
BEGIN;
# Sending:
UPDATE t SET j=json_set(j,'$.hash','"the_hash_x"') WHERE a=2;
# Connection default:
SET DEBUG_SYNC='now WAIT_FOR s1';
SET DEBUG_SYNC='now SIGNAL s2 WAIT_FOR s1';
SELECT json_extract(j, "$.data") = @json_data_a FROM t WHERE vj LIKE 'the_hash_a';
json_extract(j, "$.data") = @json_data_a
1
SELECT json_extract(j, "$.data") = @json_data_b FROM t WHERE vj LIKE 'the_hash_b';
json_extract(j, "$.data") = @json_data_b
SELECT json_extract(j, "$.data") = @json_data_c FROM t WHERE vj LIKE 'the_hash_c';
json_extract(j, "$.data") = @json_data_c
1
SET DEBUG_SYNC='now SIGNAL s2';
# Connection con1:
ROLLBACK;
# Connection con1:
SET DEBUG_SYNC='blob_write_middle_after_check SIGNAL s1 WAIT_FOR s2 EXECUTE 2';
BEGIN;
# Sending:
UPDATE t SET j=json_set(j,'$.hash','"the_hash_x"') WHERE a=2;
# Connection default:
SET DEBUG_SYNC='now WAIT_FOR s1';
SET DEBUG_SYNC='now SIGNAL s2 WAIT_FOR s1';
SELECT vj FROM t WHERE c LIKE 'aaaa1234%';
vj
the_hash_c
NULL
SET DEBUG_SYNC='now SIGNAL s2';
# Connection con1:
ROLLBACK;
# Connection default:
DROP TABLE t;
SET DEBUG_SYNC='reset';
SET SESSION transaction_isolation = @initial_isolation;