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fix LOAD DATA 64K buffer limit #2709

Merged
merged 9 commits into from
Oct 18, 2024
Merged

fix LOAD DATA 64K buffer limit #2709

merged 9 commits into from
Oct 18, 2024

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jycor
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@jycor jycor commented Oct 18, 2024 •
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This PR increase the buffer size for bufio.Scanner to LongTextMax, so hopefully nobody attempts to load a single row larger than 4GB.
Other changes:

  • moves ignore lines logic to within the loadDataIter
  • drops extra scanner.Text() logic
  • use byte comparison instead of string cast and string comparison

benchmark: dolthub/dolt#8467
fixes: dolthub/dolt#8469

max-hoffman
max-hoffman approved these changes Oct 18, 2024
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lgtm

@jycor jycor merged commit 63ed221 into main Oct 18, 2024
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@jycor jycor deleted the james/load branch October 18, 2024 22:07
@BrewTestBot BrewTestBot mentioned this pull request Oct 24, 2024
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@max-hoffman max-hoffman max-hoffman approved these changes

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LOAD DATA LOCAL INFILE fails when row size exceeds 64K (65535 bytes) limit
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@jycor @max-hoffman