fluent-bit-clickhouse

Overview ¶

Flatten makes flat, one-dimensional maps from arbitrarily nested ones.

Map keys turn into compound names, like `a.b.1.c` (dotted style) or `a[b][1][c]` (Rails style). It takes input as either JSON strings or Go structures. It (only) knows how to traverse JSON types: maps, slices and scalars.

You can flatten JSON strings.

nested := `{
  "one": {
    "two": [
      "2a",
      "2b"
    ]
  },
  "side": "value"
}`

flat, err := FlattenString(nested, "", DotStyle)

// output: `{ "one.two.0": "2a", "one.two.1": "2b", "side": "value" }`

Or Go maps directly.

t := map[string]interface{}{
	"a": "b",
	"c": map[string]interface{}{
		"d": "e",
		"f": "g",
	},
	"z": 1.4567,
}

flat, err := Flatten(nested, "", RailsStyle)

// output:
// map[string]interface{}{
//	"a":    "b",
//	"c[d]": "e",
//	"c[f]": "g",
//	"z":    1.4567,
// }