- Introduction
- Concepts
- Architecture
- Key Features
- Horizontal Scalability
- MySQL Compatible Syntax
- Replicate from and to MySQL
- Distributed Transactions with Strong Consistency
- Cloud Native Architecture
- Minimize ETL with HTAP
- Fault Tolerance & Recovery with Raft
- Automatic Rebalancing
- Deployment and Orchestration with Ansible, Kubernetes, Docker
- JSON Support
- Spark Integration
- Read Historical Data Without Restoring from Backup
- Fast Import and Restore of Data
- Hybrid of Column and Row Storage
- SQL Plan Management
- Open Source
- Online Schema Changes
- How-to
- Get Started
- Deploy
- Hardware Recommendations
- From Binary Tarball
- Orchestrated Deployment
- Geographic Redundancy
- Data Migration with Ansible
- Configure
- Secure
- Transport Layer Security (TLS)
- Generate Self-signed Certificates
- Monitor
- Migrate
- Maintain
- Scale
- Upgrade
- Troubleshoot
- Reference
- SQL
- MySQL Compatibility
- SQL Language Structure
- Data Types
- Functions and Operators
- Function and Operator Reference
- Type Conversion in Expression Evaluation
- Operators
- Control Flow Functions
- String Functions
- Numeric Functions and Operators
- Date and Time Functions
- Bit Functions and Operators
- Cast Functions and Operators
- Encryption and Compression Functions
- Information Functions
- JSON Functions
- Aggregate (GROUP BY) Functions
- Miscellaneous Functions
- Precision Math
- SQL Statements
ADD COLUMNADD INDEXADMINADMIN CANCEL DDLADMIN CHECKSUM TABLEADMIN CHECK [TABLE|INDEX]ADMIN SHOW DDL [JOBS|QUERIES]ALTER DATABASEALTER TABLEALTER USERANALYZE TABLEBEGINCHANGE COLUMNCOMMITCREATE DATABASECREATE INDEXCREATE TABLE LIKECREATE TABLECREATE USERDEALLOCATEDELETEDESCDESCRIBEDODROP COLUMNDROP DATABASEDROP INDEXDROP TABLEDROP USEREXECUTEEXPLAIN ANALYZEEXPLAINFLUSH PRIVILEGESFLUSH STATUSFLUSH TABLESGRANT <privileges>INSERTKILL [TIDB]LOAD DATALOAD STATSMODIFY COLUMNPREPARERENAME INDEXRENAME TABLEREPLACEREVOKE <privileges>ROLLBACKSELECTSET [NAMES|CHARACTER SET]SET PASSWORDSET TRANSACTIONSET [GLOBAL|SESSION] <variable>SHOW CHARACTER SETSHOW COLLATIONSHOW [FULL] COLUMNS FROMSHOW CREATE TABLESHOW DATABASESSHOW ENGINESSHOW ERRORSSHOW [FULL] FIELDS FROMSHOW GRANTSSHOW INDEXES [FROM|IN]SHOW INDEX [FROM|IN]SHOW KEYS [FROM|IN]SHOW PRIVILEGESSHOW [FULL] PROCESSSLISTSHOW SCHEMASSHOW STATUSSHOW [FULL] TABLESSHOW TABLE STATUSSHOW [GLOBAL|SESSION] VARIABLESSHOW WARNINGSSTART TRANSACTIONTRACETRUNCATEUPDATEUSE
- Constraints
- Generated Columns
- Character Set
- Configuration
- Security
- Transactions
- System Databases
- Errors Codes
- Supported Client Drivers
- Garbage Collection (GC)
- Performance
- Key Monitoring Metrics
- Alert Rules
- Best Practices
- TiSpark
- TiDB Binlog
- Tools
- Overview
- Use Cases
- Download
- Mydumper
- Syncer
- Loader
- TiDB Data Migration
- TiDB Lightning
- sync-diff-inspector
- PD Control
- PD Recover
- TiKV Control
- TiDB Control
- FAQs
- Support
- Contribute
- Releases
- All Releases
- v2.1
- v2.0
- v1.0
- Glossary
Important
You are viewing the documentation of an older version of the TiDB database (TiDB v2.1).
It is recommended that you use the latest LTS version of the TiDB database.
TiDB 1.0.8 Release Notes
On February 11, 2018, TiDB 1.0.8 is released with the following updates:
TiDB
- Fix issues in the
Outer Joinresult in some scenarios - Optimize the performance of the
InsertIntoIgnorestatement - Fix the issue in the
ShardRowIDoption - Add limitation (Configurable, the default value is 5000) to the DML statements number within a transaction
- Fix an issue in the Table/Column aliases returned by the
Preparestatement - Fix an issue in updating statistics delta
- Fix a panic error in the
Drop Columnstatement - Fix an DML issue when running the
Add Column Afterstatement - Improve the stability of the GC process by ignoring the regions with GC errors
- Run GC concurrently to accelerate the GC process
- Provide syntax support for the
CREATE INDEXstatement
PD
- Reduce the lock overheat of the region heartbeats
- Fix the issue that a hot region scheduler selects the wrong Leader
TiKV
- Use
DeleteFilesInRangesto clear stale data and improve the TiKV starting speed - Using
Decimalin Coprocessor sum - Sync the metadata of the received Snapshot compulsorily to ensure its safety
To upgrade from 1.0.7 to 1.0.8, follow the rolling upgrade order of PD -> TiKV -> TiDB.
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