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adds csv writer #1185

Merged
merged 26 commits into from
Apr 7, 2024
Merged

adds csv writer #1185

merged 26 commits into from
Apr 7, 2024

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rudolfix
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@rudolfix rudolfix commented Apr 3, 2024

Description

fixes #1171

also introduces following changes

  • parquet will not be saved in spark flavor but with full logical type information. duckb users that use non-microsecond timestamps without timezone should see the updated docs
  • adds very fast postgres CSV importer that when combined with arrow loading gives 30x boost compared to json+normalizer
  • data writer framework was refactored, not visible to users though
  • item normalizers and item extractors got refactored (not visible to users)
  • several edge cases with arrow normalization and loading empty arrow frames got fixed
  • motheduck configuration now sets default database (my_db) and password/token is mandatory.

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@rudolfix rudolfix force-pushed the rfix/adds-csv-writer branch from c623991 to d12e9a9 Compare April 5, 2024 11:13
@rudolfix rudolfix force-pushed the rfix/adds-csv-writer branch from d12e9a9 to 0adb113 Compare April 5, 2024 11:22
@rudolfix rudolfix marked this pull request as ready for review April 7, 2024 07:26
@rudolfix rudolfix merged commit 18665f1 into devel Apr 7, 2024
42 of 44 checks passed
@rudolfix rudolfix deleted the rfix/adds-csv-writer branch April 7, 2024 14:58
@rudolfix rudolfix mentioned this pull request Apr 8, 2024
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Load .csv files to filesystem destination
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