TODO List for Stage 1

[MingjiHan99]

Parser:

• Parsing arithmetic expressions (+, -, * and /) @wangrunji0408

• Use sqlparser as new parser @wangrunji0408

Binder:

• Add return names and types for select statement. @MingjiHan99
• Binding arithmetic expressions (+, -, * and /) @MingjiHan99 @wangrunji0408
• Add necessary implicit casting when binding the expressions. For example: 1.0 + 1 -> 1.0 + (1 cast as double) @wangrunji0408

Executor:

• Implement expression evaluator and ProjectionExecutor.
  @MingjiHan99 @wangrunji0408
• Implement CreateTableExecutor, and InsertExecutor @MingjiHan99
  @wangrunji0408

Storage:
Implement on-disk storage system:

• Add base definitions for table storage (Segment and Block) @MingjiHan99
• Add disk manager @MingjiHan99
• Add buffer pool （Ongoing）

[yingjunwu]

Misc:

• Rename the project to RisingLight
• Support SQLite shell
• Add SQLite tests @wangrunji0408
• Support psql
• Support parallel query processing (by using async/await and channel in Rust) @wangrunji0408

[skyzh]

It seems that all tasks mentioned in this issue have been settled down. Shall we close this?