mirror of https://github.com/meilisearch/MeiliSearch synced 2024-11-04 20:18:55 +01:00

History

Loïc Lecrenier a8641b42a7 Modify flatten_serde_json to keep dummy value for all object keys Example: ```json { "id": 0, "colour" : { "green": 1 } } ``` becomes: ```json { "id": 0, "colour" : [], "colour.green": 1 } ``` to retain the information the key "colour" exists in the original json value.		2022-07-19 10:07:33 +02:00
..
benches	Add benchmarks to the flatten-serde-json subcrate	2022-04-13 13:12:57 +02:00
fuzz	improve the fuzzer of the flatten crate	2022-04-20 16:11:23 +02:00
src	Modify flatten_serde_json to keep dummy value for all object keys	2022-07-19 10:07:33 +02:00
Cargo.toml	Bump the milli version to 0.31.1	2022-06-22 17:05:51 +02:00
README.md	move the flatten-serde-json crate inside of milli	2022-04-07 18:20:44 +02:00

README.md

Flatten serde Json

This crate flatten serde_json Object in a format similar to elastic search.

Examples

There is nothing to do

{
  "id": "287947",
  "title": "Shazam!",
  "release_date": 1553299200,
  "genres": [
    "Action",
    "Comedy",
    "Fantasy"
  ]
}

Flattens to:

{
  "id": "287947",
  "title": "Shazam!",
  "release_date": 1553299200,
  "genres": [
    "Action",
    "Comedy",
    "Fantasy"
  ]
}

Objects

{
  "a": {
    "b": "c",
    "d": "e",
    "f": "g"
  }
}

Flattens to:

{
  "a.b": "c",
  "a.d": "e",
  "a.f": "g"
}

Array of objects

{
  "a": [
    { "b": "c" },
    { "b": "d" },
    { "b": "e" },
  ]
}

Flattens to:

{
  "a.b": ["c", "d", "e"],
}

Array of objects with normal value in the array

{
  "a": [
    42,
    { "b": "c" },
    { "b": "d" },
    { "b": "e" },
  ]
}

Flattens to:

{
  "a": 42,
  "a.b": ["c", "d", "e"],
}

Array of objects of array of objects of ...

{
  "a": [
    "b",
    ["c", "d"],
    { "e": ["f", "g"] },
    [
        { "h": "i" },
        { "e": ["j", { "z": "y" }] },
    ],
    ["l"],
    "m",
  ]
}

Flattens to:

{
  "a": ["b", "c", "d", "l", "m"],
  "a.e": ["f", "g", "j"],
  "a.h": "i",
  "a.e.z": "y",
}

Collision between a generated field name and an already existing field

{
  "a": {
    "b": "c",
  },
  "a.b": "d",
}

Flattens to:

{
  "a.b": ["c", "d"],
}