# ************************************************************************** # wl8960 : Check partial update when table has 16k size data # Modify column type JSON to LONGTEXT to JSON # Modify row_format= Comprssed to Dynamic to Redundant to Compact # The mysqld.err.1 log shows followig note when InnoDB does partial update # on the table # [Note] LOB partial update of field=(j1) on index=(GEN_CLUST_INDEX) # Check for TEXT datatype full update and JSON functions works normally # Check partial update with views and stored procedures # Negative case : check update and JSON functions on BLOB datatype # Negative case : check partial update on generated column # ************************************************************************** --source include/have_innodb_max_16k.inc --source include/have_debug.inc USE test; CREATE TABLE tab(j1 JSON); --disable_query_log INSERT INTO tab VALUES ('["Sven", 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4abcdefghijklmnopqrstuvwxyz1234"]'); ANALYZE TABLE tab; --echo # Sven select json_extract(j1, '$[0]') from tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'VISWA'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Viswa'); --echo # Show Viswa select json_extract(j1, '$[0]') from tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Nath'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Nath'); --echo # Show Nath select json_extract(j1, '$[0]') from tab; --echo # Modify column type from JSON to LONGTEXT ALTER TABLE tab MODIFY j1 LONGTEXT ; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setlongtext'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setlongtext'); ANALYZE TABLE tab; --echo # Check JSON functions works on TEXT datatype SELECT JSON_STORAGE_SIZE(j1) FROM tab; SELECT JSON_STORAGE_FREE(j1) FROM tab; --echo # Show Setlongtext SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Replongtext'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Replongtext'); ANALYZE TABLE tab; --echo # Check JSON functions works on TEXT datatype SELECT JSON_STORAGE_SIZE(j1) FROM tab; SELECT JSON_STORAGE_FREE(j1) FROM tab; --echo # Show Replongtext SELECT json_extract(j1, '$[0]') from tab; --echo When column modify from LONGTEXT to JSON ALTER TABLE tab MODIFY j1 JSON ; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setjson'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setjson'); ANALYZE TABLE tab; --echo # Show Setjson SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repjson'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repjson'); ANALYZE TABLE tab; --echo # Show Repjson SELECT json_extract(j1, '$[0]') FROM tab; --echo To COMPRESSED ALTER TABLE tab ROW_FORMAT = COMPRESSED ; SHOW CREATE TABLE tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setcomp'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setcomp'); ANALYZE TABLE tab; --echo # Show Setcomp SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repcomp'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repcomp'); --echo # Show Repcomp SELECT json_extract(j1, '$[0]') FROM tab; --echo COMPRESSED to DYNAMIC ALTER TABLE tab ROW_FORMAT = DYNAMIC; ANALYZE TABLE tab; SHOW CREATE TABLE tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setdyna'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setdyna'); ANALYZE TABLE tab; --echo # Show Setdyna SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repdyna'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repdyna'); ANALYZE TABLE tab; --echo # Show Repdyna SELECT json_extract(j1, '$[0]') FROM tab; --echo DYNAMIC to REDUNDANT ALTER TABLE tab ROW_FORMAT = REDUNDANT ; SHOW CREATE TABLE tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setredu'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setredu'); ANALYZE TABLE tab; --echo # Show Setredu SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repredu'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repredu'); --echo # Show Repredu SELECT json_extract(j1, '$[0]') FROM tab; --echo REDUNDANT to COMPACT ALTER TABLE tab ROW_FORMAT = COMPACT ; SHOW CREATE TABLE tab; ANALYZE TABLE tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setcomp'); UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'Setcomp'); ANALYZE TABLE tab; --echo # Show Setcomp SELECT json_extract(j1, '$[0]') FROM tab; EXPLAIN FORMAT=JSON UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repcomp'); UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repcomp'); --echo # Show Repcomp SELECT json_extract(j1, '$[0]') FROM tab; --echo # Create a view on JSON column CREATE VIEW view_tab AS SELECT * FROM tab; EXPLAIN FORMAT=JSON UPDATE view_tab SET j1 = JSON_SET(j1, '$[0]', 'Setview'); UPDATE view_tab SET j1 = JSON_SET(j1, '$[0]', 'Setview'); ANALYZE TABLE tab; --echo # Check JSON functions works on views SELECT JSON_STORAGE_SIZE(j1) FROM view_tab; SELECT JSON_STORAGE_FREE(j1) FROM view_tab; --echo # Show Setview SELECT json_extract(j1, '$[0]') FROM view_tab; EXPLAIN FORMAT=JSON UPDATE view_tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repview'); UPDATE view_tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Repview'); --echo # Show Reviewp SELECT json_extract(j1, '$[0]') FROM view_tab; ANALYZE TABLE tab; --echo # Check JSON functions works on views SELECT JSON_STORAGE_SIZE(j1) FROM view_tab; SELECT JSON_STORAGE_FREE(j1) FROM view_tab; --echo # Modify Compression to ZLIB ALTER TABLE tab COMPRESSION = 'ZLIB'; SHOW CREATE TABLE tab; delimiter |; --echo # Check partial update through procedure CREATE PROCEDURE proc_json_update() begin UPDATE tab SET j1 = JSON_REPLACE(j1, '$[0]', 'Reppro'); end| delimiter ;| CALL proc_json_update(); ANALYZE TABLE tab; --echo # Show Reppro SELECT json_extract(j1, '$[0]') FROM tab; --echo # Check JSON functions on views SELECT JSON_STORAGE_SIZE(j1) FROM view_tab; SELECT JSON_STORAGE_FREE(j1) FROM view_tab; DROP PROCEDURE proc_json_update; --echo # Modify Compression to 'LZ4' ALTER TABLE tab COMPRESSION = 'LZ4'; SHOW CREATE TABLE tab; delimiter |; --echo # Check partial update through procedure CREATE PROCEDURE proc_json_update() begin UPDATE tab SET j1 = JSON_SET(j1, '$[0]', 'SetLZ'); end| delimiter ;| set debug = '+d,lob_print_partial_update_hit'; CALL proc_json_update(); ANALYZE TABLE tab; --echo # Show SetLZ SELECT json_extract(j1, '$[0]') FROM tab; --echo # Check pattern for LOB partial update exist let SEARCH_FILE= $MYSQLTEST_VARDIR/log/blob_partial_update.err; let SEARCH_PATTERN= LOB partial update; --source include/search_pattern.inc --echo # Check JSON functions does not work on BLOB type CREATE TABLE tab1(id INT PRIMARY KEY, j1 JSON); INSERT INTO tab1 VALUES(1, '{"a":"a","b":"b"}'); INSERT INTO tab1 VALUES(2, NULL); ALTER TABLE tab1 modify j1 BLOB; SHOW CREATE TABLE tab1; --error ER_INVALID_JSON_CHARSET UPDATE tab1 SET j1 = JSON_SET(j1, '$.a', 'x'); --error ER_INVALID_JSON_CHARSET SELECT JSON_STORAGE_SIZE(j1) FROM tab1; --error ER_INVALID_JSON_CHARSET SELECT JSON_STORAGE_FREE(j1) FROM tab1; --echo # Check partial update with Generated columns CREATE TABLE tab2(id INT PRIMARY KEY, c1 JSON, c2 JSON GENERATED ALWAYS AS (c1) STORED); INSERT INTO tab2 VALUES(1, '{"a":"a","b":"b"}', DEFAULT); ANALYZE TABLE tab2; --error ER_NON_DEFAULT_VALUE_FOR_GENERATED_COLUMN EXPLAIN FORMAT=JSON UPDATE tab2 SET c2 = JSON_SET(c2, '$.a', 'x'); --echo # Check partial update with partition table CREATE TABLE tab3 (a INT, j1 JSON, j2 JSON) PARTITION BY LINEAR HASH(a) PARTITIONS 3; SHOW CREATE TABLE tab3; INSERT INTO tab3 VALUES(1, '{"a":"a","b":"b"}', '{"a":"a","b":"b"}'); INSERT INTO tab3 VALUES(2, NULL, NULL); INSERT INTO tab3 VALUES(1, '{"a":"aa","b":"bb"}', '{"a":"aa","b":"bb"}'); INSERT INTO tab3 VALUES(2, '["Sachin","Tendulkar"]','["Virat","Kohili"]'); INSERT INTO tab3 VALUES(3, '[100 ,{"A1": "Amarnath","B1": "Binni"}]','[200,{"A2": "Azar","S1": "Srikanth"}]'); INSERT INTO tab3 VALUES(3, '{"Chetan": [300,400],"Sasri": [500,600]}','{"Dhoni": [700,800],"Sidhu": [900,100]}'); SELECT * FROM tab3 order by a; --echo Check with JSON_SET EXPLAIN FORMAT=JSON UPDATE tab3 SET j1 = JSON_SET(j1, '$.a', 'x'), j2 = JSON_SET(j2, '$.a', 'y'), j1 = JSON_SET(j1, '$.b', 'z'); UPDATE tab3 SET j1 = JSON_SET(j1, '$.a', 'x'), j2 = JSON_SET(j2, '$.a', 'y'), j1 = JSON_SET(j1, '$.b', 'z'); SELECT * FROM tab3 order by a; --echo Check with JSON_REPLACE EXPLAIN FORMAT=JSON UPDATE tab3 SET j1 = JSON_REPLACE(j1,'$[1].A1', 'partRe') ; UPDATE tab3 SET j1 = JSON_REPLACE(j1,'$[1].A1', 'PartRe') ; --echo # show PartRe SELECT json_extract(j1, '$[1].A1') FROM tab3; SELECT * FROM tab3 order by a; # clean up DROP TABLE tab2; DROP TABLE tab3; DROP PROCEDURE proc_json_update; DROP VIEW view_tab; DROP TABLE tab; DROP TABLE tab1; set debug = '-d,lob_print_partial_update_hit';