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Published 20 hours ago • verified publisher icon Veeupup
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A Toy Query Engine & SQL interface

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Pretty Print Display Logical Plan

3 comment

@GanZiheng give it a try !

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Use `Stream` Trait to do the execution more efficient

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Join !

When projection and selection are finished, we should consider writing join as the highest priority. We can split it into some tasks: - [x] join planner - [x] nested loop...

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Cross Join

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Cast function

ywqzzy avatar ywqzzy

Having clause.

ywqzzy avatar ywqzzy

Projection can't support output columns' count greater than schema count.

ywqzzy avatar ywqzzy

bug

Refactor expression module structure.

1 comment

The code of expression module can have a better structure and code style.

ywqzzy avatar ywqzzy

scalar funcion

1 comment

we should support scalar function

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A Toy Query Engine & SQL interface

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