Trouble with ClickHouse json

Databases3 posts from 1 person2d active+22 posts in the last 7 days, 0 the 7 days before (rising)Unverified

Posts per day3 posts, Oct 5 to Oct 21

The posts behind it

3, newest first

GitHub issuesOct 15 `json.^a` throws `BAD_ARGUMENTS`: sub-object type inherits root `SKIP` rules### Describe what's wrong - Reading a sub-object (`json.^p`) or combined (`json.@p`) subcolumn of a valid JSON column fails. - Trigger: a `JSON` column with `SKIP`/`SKIP REGEXP` whose rule matches a typed path once prefix is stripped. - Expected the subcolumn to read normally;...ClickHouse/ClickHouse · clickgapaiOpen ↗GitHub issuesOct 15 RowBinary `JSON(SKIP p)` insert drops `p_1` and keeps `p.*`: no `.` boundary### Describe what's wrong - Binary `JSON` input applies `SKIP` paths as bare string prefixes, so stored data differs from `JSONEachRow` inserts of the same document. - Trigger: `RowBinary` insert with default `input_format_binary_read_json_as_string=0` into `JSON(SKIP path, SKIP...ClickHouse/ClickHouse · clickgapaiOpen ↗GitHub issuesOct 5 Hashing a deeply nested `Dynamic`/`JSON` value crashes the server with SIGSEGV### Describe what's wrong - `sipHash64`, `cityHash64`, `xxHash64` and `murmurHash3_64` over a deeply nested `Dynamic`/`JSON` value exhaust the stack and crash the server. - Trigger: hash a `Dynamic` value with thousands of nested `Object` levels, e.g. built via...ClickHouse/ClickHouse · clickgapaiOpen ↗

Companies and products named

Named3 posts

ClickHouse Named3 posts

GitHub

About this problem

Evidence

3 posts from 1 person in 1 place, about 2 a week over 11 days. Mostly on ClickHouse/ClickHouse. Tools named alongside: GitHub.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about ClickHouse with no known issue, sharing the word "json". First post Oct 5, 2026, latest Oct 15, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

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History

MomentumOct 19, 2026steady to rising

AddedOct 18, 2026Trouble with ClickHouse json (3 posts)