Data and AI struggles

1,730 problems · 342 companies

Databases

Trouble with ClickHouse view

2 posts from 2 people2d activeFading, +0 this weekunverified

Posts per day

Posts per day2 posts, Nov 1 to Nov 9

The posts behind it

GitHub issuesClickHouse/ClickHouse · fratuciNov 2

SQL Console (/ui): "View Parameters" flyout cannot be dismissed and overrides "Row Details" and "Cell Inspector" on parameterized views

...`"View Parameters"` immediately replaces `"Row Details"` or `"Cell Inspector"`. 3. **No way to re-open `"View Parameters"` from the toolbar in standalone mode:** In standalone mode (`FT_ORG_RIGHT_SIDEBAR` is `false`; only `FT_ORG_SCHEMA_EXPLORER` is enabled), the right icon...

2 replies
GitHub issuesClickHouse/ClickHouse · clickgapaiNov 1

Table-function anchor check skips MV/View unwrap: rows returned once per replica

### Describe what's wrong - With parallel replicas, `timeSeriesSamples` over a version-8 `TimeSeries` table whose `DATA` target is a `MaterializedView` or `View` returns duplicated rows. - Trigger: query-tree parallel replicas (`parallel_replicas_plan_based = 0`), MV target with...

Companies and products named

2 posts
1 post
1 post
About this problem

Evidence

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

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about ClickHouse with no known issue, sharing the word "view". First post Nov 1, 2026, latest Nov 2, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

Other ClickHouse problems

ClickHouse upgrades break working setups

31 posts from 20 people on GitHub issues.

ClickHouse users keep filing bugs

Top post: "Tighten seccomp policy for optional kernel interfaces", one of 19 posts from 8 people on GitHub issues.

Trouble with ClickHouse column

Top post: "MaterializedPostgreSQL: reading a Nullable column's .null subcolumn (x IS NULL, count(x)) fails with", one of 15 posts from 9 people on GitHub issues.

ClickHouse costs outgrow the value it gives

11 posts from 3 people on GitHub issues.

Trouble with ClickHouse table

Top post: "`SYSTEM RESTORE REPLICA` on a second replica over-bumps the table `metadata` znode version; every later", one of 8 posts from 5 people on GitHub issues.

Experiments on ClickHouse are hard to reproduce and track

8 posts from 1 person on GitHub issues. Unverified.

Trouble with ClickHouse tables

Top post: "Paimon: resolve columns by field id, so tables with renamed or re-added columns are readable", one of 7 posts from 6 people on GitHub issues.

Trouble with ClickHouse join

Top post: "Explicit grace_hash now spills at max_bytes_ratio_before_external_join = 0.5 although the build side fits in", one of 5 posts from 4 people on GitHub issues.

ClickHouse error messages are cryptic

5 posts from 3 people on GitHub issues.

Trouble with ClickHouse read

Top post: "ORC: a corrupt PostScript `metadata_length` makes ORC predicate pushdown read `stripe_stats` out of bounds,", one of 4 posts from 4 people on GitHub issues.

Trouble with ClickHouse database

Top post: "`DROP NAMED COLLECTION` succeeds while a database uses the collection, and the server then fails to start", one of 4 posts from 2 people on GitHub issues.

Trouble with ClickHouse query

Top post: "Memory tracker counts jemalloc's freed pages as used, so a heavy query started right after another spills to", one of 4 posts from 3 people on GitHub issues.

History

Momentum went from steady to fading.

Nov 9, 2026

Momentum went from new to steady.

Nov 8, 2026

First seen with 2 posts; the top post now: "SQL Console (/ui): View Parameters flyout cannot be dismissed and overrides Row Details and Cell Inspector on".

Nov 6, 2026