[doc] add json_object_flatten function - #3589
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Add documentation for the json_object_flatten scalar function introduced in apache/doris#62825. Covers EN/ZH for both dev and version-4.x, and registers the page in both sidebars.
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eldenmoon
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to apache/doris
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Apr 27, 2026
Introduce `json_object_flatten(JSONB) -> JSONB`. Turn a nested JSONB
object into a single-level JSONB whose keys are the dot-joined paths to
each leaf, mirroring NiFi `FlattenJson` *keep-arrays* semantics:
```
{"a":{"b":2}} -> {"a.b":2}
{"a":{"b":{"c":3}}} -> {"a.b.c":3}
{"a":[{"b":1}]} -> {"a":[{"b":1}]}
```
apache/doris-website#3589
github-actions Bot
pushed a commit
to apache/doris
that referenced
this pull request
Apr 27, 2026
Introduce `json_object_flatten(JSONB) -> JSONB`. Turn a nested JSONB
object into a single-level JSONB whose keys are the dot-joined paths to
each leaf, mirroring NiFi `FlattenJson` *keep-arrays* semantics:
```
{"a":{"b":2}} -> {"a.b":2}
{"a":{"b":{"c":3}}} -> {"a.b.c":3}
{"a":[{"b":1}]} -> {"a":[{"b":1}]}
```
apache/doris-website#3589
zhaorongsheng
pushed a commit
to zhaorongsheng/doris
that referenced
this pull request
Jun 4, 2026
Introduce `json_object_flatten(JSONB) -> JSONB`. Turn a nested JSONB
object into a single-level JSONB whose keys are the dot-joined paths to
each leaf, mirroring NiFi `FlattenJson` *keep-arrays* semantics:
```
{"a":{"b":2}} -> {"a.b":2}
{"a":{"b":{"c":3}}} -> {"a.b.c":3}
{"a":[{"b":1}]} -> {"a":[{"b":1}]}
```
apache/doris-website#3589
11 tasks
csun5285
added a commit
that referenced
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Jun 6, 2026
The json_object_flatten function docs were added in #3589 but were accidentally deleted by the "online new home page" refactor in #3660, which replaced the docs tree with the docs-next tree that predated the function. As a result the page is missing from the live site. Restore the EN/ZH pages for both current(dev) and version-4.x from the original #3589 commit (8908f21) and re-register them in sidebars.ts and version-4.x-sidebars.json. ## Versions - [x] dev - [x] 4.x - [ ] 3.x - [ ] 2.1 or older (not covered by version/language sync gate) ## Languages - [x] Chinese - [x] English - [ ] Japanese candidate translation needed ## Docs Checklist - [ ] Checked by AI - [ ] Test Cases Built - [ ] Updated required version and language counterparts, or explained why not - [ ] If only one language changed, confirmed whether source/translation counterparts need sync --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Add documentation for the json_object_flatten scalar function introduced in apache/doris#62825. Covers EN/ZH for both dev and version-4.x, and registers the page in both sidebars.
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Docs Checklist