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NtileState

fsqlite_func::window_builtins

Struct NtileState 

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pub struct NtileState { /* private fields */ }
Expand description

State for ntile(N).

The VDBE must step() all rows first, then iterate with value()+inverse(). Distributes rows into N groups. If partition_size % N != 0, the first (partition_size % N) groups get one extra row.

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