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use text prefix in regex to speed up query #4776

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use text prefix in regex to speed up query #4776

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Commits on Sep 26, 2023

  1. use text prefix in regex to speed up query 

    for selector;

{"selector":{"_id":{"$regex":"doc.+"}}}

before;

{
  "include_docs": true,
  "view_type": "map",
  "reduce": false,
  "partition": null,
  "start_key": [],
  "end_key": [
    "<MAX>"
  ],
  "direction": "fwd",
  "stable": false,
  "update": true,
  "conflicts": "undefined"
}

after;

{
  "include_docs": true,
  "view_type": "map",
  "reduce": false,
  "partition": null,
  "start_key": [
    "doc"
  ],
  "end_key": [
    "doc�",
    "<MAX>"
  ],
  "direction": "fwd",
  "stable": false,
  "update": true,
  "conflicts": "undefined"
}

closes: #4775
    @rnewson
    rnewson committed Sep 26, 2023
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