- About TiDB
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tidb_snapshot
System Variable
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ADD COLUMN
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ADMIN
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ALTER DATABASE
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BACKUP
BEGIN
CHANGE COLUMN
COMMIT
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CREATE [GLOBAL|SESSION] BINDING
CREATE DATABASE
CREATE INDEX
CREATE ROLE
CREATE SEQUENCE
CREATE TABLE LIKE
CREATE TABLE
CREATE USER
CREATE VIEW
DEALLOCATE
DELETE
DESC
DESCRIBE
DO
DROP [GLOBAL|SESSION] BINDING
DROP COLUMN
DROP DATABASE
DROP INDEX
DROP ROLE
DROP SEQUENCE
DROP STATS
DROP TABLE
DROP USER
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EXECUTE
EXPLAIN ANALYZE
EXPLAIN
FLASHBACK TABLE
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FLUSH TABLES
GRANT <privileges>
GRANT <role>
INSERT
KILL [TIDB]
LOAD DATA
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RECOVER TABLE
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RESTORE
REVOKE <privileges>
REVOKE <role>
ROLLBACK
SELECT
SET DEFAULT ROLE
SET [NAMES|CHARACTER SET]
SET PASSWORD
SET ROLE
SET TRANSACTION
SET [GLOBAL|SESSION] <variable>
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SHOW [FULL] FIELDS FROM
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SHOW TABLE NEXT_ROW_ID
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SPLIT REGION
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TABLE
TRACE
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UPDATE
USE
WITH
- Data Types
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mysql
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ANALYZE_STATUS
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- Glossary
TiDB 3.0.16 Release Notes
Release date: July 03, 2020
TiDB version: 3.0.16
Improvements
TiDB
- Support the
is null
filter condition in hash partition pruning #17308 - Assign different
Backoffer
s to each Region to avoid the SQL timeout issue when multiple Region requests fail at the same time #17583 - Split separate Regions for the newly added partition #17668
- Discard feedbacks generated from the
delete
orupdate
statement #17841 - Correct the usage of
json.Unmarshal
injob.DecodeArgs
to be compatible with future Go versions #17887 - Remove sensitive information in the slow query log and the statement summary table #18128
- Match the MySQL behavior with
DateTime
delimiters #17499 - Handle
%h
in date formats in the range that is consistent with MySQL #17496
- Support the
TiKV
Bug Fixes
TiDB
- Fix the data inconsistency issue occurred because the lock of a written and deleted primary key in one transaction is resolved by another transaction #18248
- Fix the
Got too many pings
gRPC error log in the PD server-side followers 17944 - Fix the panic issue that might occur when the child of HashJoin returns the
TypeNull
column #17935 - Fix the error message when access is denied #17722
- Fix JSON comparison issue for the
int
andfloat
types #17715 - Update the failpoint which causes data race #17710
- Fix the issue that the timeout pre-split Regions might not work when creating tables #17617
- Fix the panic caused by ambiguous error messages after the sending failure #17378
- Fix the issue that
FLASHBACK TABLE
might fail in some special cases #17165 - Fix the issue of inaccurate range calculation results when statements only have string columns #16658
- Fix the query error occurred when the
only_full_group_by
SQL mode is set #16620 - Fix the issue that the field length of results returned from the
case when
function is inaccurate #16562 - Fix the type inference for the decimal property in the
count
aggregate function #17702
TiKV
PD
- Fix the
404
error when querying Region keys in PD Control #2577
- Fix the
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