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Insert in Bulk #1595

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Insert in Bulk #1595

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kderme
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@kderme kderme commented Jan 4, 2024

Description

This is an experimental impmenetation of https://github.com/orgs/IntersectMBO/projects/8/views/3?pane=issue&itemId=48804685. The purpose is to benchmark it and evaluate its complexity and correctness.

Checklist

  • Commit sequence broadly makes sense
  • Commits have useful messages
  • New tests are added if needed and existing tests are updated
  • Any changes are noted in the changelog
  • Code is formatted with fourmolu on version 0.10.1.0 (which can be run with scripts/fourmolize.sh)
  • Self-reviewed the diff

Migrations

  • The pr causes a breaking change of type a,b or c
  • If there is a breaking change, the pr includes a database migration and/or a fix process for old values, so that upgrade is possible
  • Resyncing and running the migrations provided will result in the same database semantically

If there is a breaking change, especially a big one, please add a justification here. Please elaborate
more what the migration achieves, what it cannot achieve or why a migration is not possible.

@kderme
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kderme commented Jan 4, 2024

I had a strange error

DbInsertException "Many MaTxOut" (SqlError {sqlState = "XX000", sqlExecStatus = FatalError, sqlErrorMsg = "unrecognized node type: -1543503872", sqlErrorDetail = "", sqlErrorHint = ""})

though it may be a red herring as I didn't sync from a clean state.

thrd3 :: (a, b, c, d) -> c
thrd3 (_, _, c, _) = c
first3 :: (a, b, c) -> a
first3 (a, _, _) = a
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It looks like this is already provided by extra, which we already use


forth4 :: (a, b, c, d) -> d
forth4 (_, _, _, d) = d

{-# NOINLINE [1] zipWith3 #-}
zipWith3 :: (a -> b -> c -> d) -> [a]-> [b] -> [c] -> [d]
zipWith3 z = go
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This also looks to be part of Prelude

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