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TCP converters 3/6: POCO reads on the fused converter loop - #670

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alex-clickhouse wants to merge 14 commits into

alex-clickhouse/converter-2b-columnar-readsfrom

alex-clickhouse/converter-3-poco-reads

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TCP converters 3/6: POCO reads on the fused converter loop#670
alex-clickhouse wants to merge 14 commits into
alex-clickhouse/converter-2b-columnar-readsfrom
alex-clickhouse/converter-3-poco-reads

Commits on Oct 11, 2026
- tcp: keep the converted LowCardinality dictionary of each column
  
  alex-clickhouse
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  claude
  committed
  d8c1e46
- tcp: read the types that read only as their canonical type through the indexer
  
  alex-clickhouse
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  claude
  committed
  6c9804c
- tcp: read POCO rows through the converter derivation
  
  alex-clickhouse
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  claude
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  cbc0d4e
- tests: run the POCO read suites through the tier with no compiled code
  
  alex-clickhouse
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  claude
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  e2a777c
- tests: pin the POCO read of a column without the decoded shape of its type
  
  alex-clickhouse
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  claude
  committed
  00bca01
- tcp: throw the POCO NULL failure without an inner exception
  
  alex-clickhouse
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  claude
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  3283354
- tcp: state where a converter tree keeps state, and correct the tier comments
  
  alex-clickhouse
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  claude
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  dcc845c
- tests: compare the dictionary failure order with the old POCO plan
  
  alex-clickhouse
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  claude
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  4cbf18a
- tests: run each tier test of the POCO plan once
  
  alex-clickhouse
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  claude
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  fc467c8
- tcp: replace the dashes in two moved comments
  
  alex-clickhouse
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  47f0729
- tests: read POCO rows in a process with dynamic code off
  
  alex-clickhouse
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  9b2e7f0
- tests: keep the Fill rerun of the POCO read integration tests out of the Cloud job
  
  alex-clickhouse
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  claude
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  ba99362
- tcp: give the first failure in row order in the Fill tier of a POCO read
  
  alex-clickhouse
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  claude
  committed
  986d2bc
- tests: read the output of the child process without dynamic code while it runs
  
  alex-clickhouse
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  claude
  committed
  38c5aa9

Commits

Commits on Oct 11, 2026