ClickHouse · Issues· 7748 open

Manifest-vs-manifest schema conflict throws before metadata.json is registered

deltaLakeAzure throws NOT_IMPLEMENTED (Code 48) on schema-evolved tables

01660_system_parts_smoke fails with Bad get: has `Int128`, requested `UInt128`

Nullable dict key + transform_null_in: declined rewrite loses PK pruning

The tokenbf_v1 granule probe ANDs whole bloom filters per needle: 32-needle multiSearchAny 942 -> 782 ms, and 1477 -> 906 ms with 128 KiB filters

Repeated `INTERPOLATE` target: `interpolate_columns` OOB aborts the server

URL userinfo password echoed verbatim in HTTP error messages and debug logs

DeltaLake writes: INSERT into a `timestamp_ntz` column writes a UTC-adjusted Parquet timestamp, Spark cannot read the table

Collapsing merge changes `sum(sign)`: level>0 part's key pair never re-collapsed

Bare dictionary name + ON CLUSTER hits mixed-default-DB guard: NOT_IMPLEMENTED

transform keys the mapping table on raw float bits: -0.0 misses the entry for 0

Date/DateTime `CASE` with a string literal takes ELSE: `accurateEquals` guard

`RIGHT JOIN` over a joined left side: parallel replicas throw LOGICAL_ERROR

Refused DROP/TRUNCATE DATABASE cancels merges forever on surviving tables

Schema inference: a quoted JSON string first seen past the inference sample is parsed as a number and silently loses its text ("007" -> 7, "" -> 0)