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0.9.0

Asynchronous I/O that doesn’t get in your way, written in D

Variable IndexOptions.partialFilterExpression

If specified, the index only references documents that match the filter expression. See Partial Indexes for more information.

struct IndexOptions
{
  // ...
  std.typecons.Nullable!(vibe.data.bson.Bson) partialFilterExpression ;
  // ...
}
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