Design Documents

TiDB Design Documents

A proposal template: TEMPLATE.md

Proposed

• A new storage row format for efficient decoding
• A new command to restore dropped table
• Infer the System Timezone of a TiDB cluster via TZ environment variable
• Support SQL Plan Management

In Progress

• A SQL Planner based on the Volcano/Cascades model
• Radix Hash Join
• Table Partition
• Join Reorder
• Support a Global Column Pool
• View
• Window Functions

Completed

• Online DDL
• A new aggregate function execution framework