Data and AI struggles

Trouble with ClickHouse read

Databases4 posts from 3 people3d active+00 posts in the last 7 days, 1 the 7 days before (fading)

Posts per day

Posts per day4 posts, Sep 22 to Oct 21

The posts behind it

4, newest first
GitHub issuesOct 12 9 days agoStatic YTsaurus read with max_streams = 0 fails with LOGICAL_ERROR### Describe what's wrong - Reading a static YTsaurus table with `max_streams = 0` throws `Cannot resize an empty Pipe`. - Reproduced via the `ytsaurus` table function, the `YTsaurus` table engine, and a `HASHED` dictionary source. - With `max_streams = 1` the same read returns...ClickHouse/ClickHouse · clickgapaiOpen ↗GitHub issuesOct 6 2 weeks agoORC: a corrupt PostScript `metadata_length` makes ORC predicate pushdown read `stripe_stats` out of bounds — server SEGV on release (`startNextStripe`)...protobuf parseable but short of a `stripe_stats` entry for some stripe (a value that fails to parse gives a clean `Code: 1001 orc::ParseError`). The file above (two stripes, `metadata_length` + 2) reproduces 5/5. ### Expected behavior A clean data error...ClickHouse/ClickHouse · PedroTadim3 repliesOpen ↗GitHub issuesSep 22 4 weeks agoCache dictionary table read fabricates a DEFAULT row for a deleted source key### Describe what's wrong - Reading a `cache`, `complex_key_cache` or `ssd_cache` dictionary as a table can return a row for a key that exists nowhere. - Trigger: a cached cell expires per `LIFETIME` and the key has since been deleted from the source. - Expected: the row is...ClickHouse/ClickHouse · clickgapaiOpen ↗GitHub issuesSep 22 4 weeks agoparseQueryToJSON writes a large Float64 literal that formatQueryFromJSON cannot read back (integer overflow in Poco JSON parser)`parseQueryToJSON` writes a large `Float64` literal in positional notation (no `.`, no `e`), and `formatQueryFromJSON` refuses its own writer's output because the JSON parser (Poco) classifies a number without `.`/`e` as an integer and fails when it does not fit 64 bits. ###...ClickHouse/ClickHouse · qoegaOpen ↗

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About this problem

Evidence

4 posts from 3 people in 1 place, about 1 a week over 21 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 "read". First post Sep 22, 2026, latest Oct 12, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

History

MomentumOct 19, 2026steady to fading
MomentumOct 18, 2026fading to steady
MomentumOct 13, 2026steady to fading
AddedOct 9, 2026Trouble with ClickHouse read (3 posts)