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Partition the package_derivations_by_guix_revision_range table

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And create a proper git_branches table in the process.

I'm hoping this will help with slow deletions from the
package_derivations_by_guix_revision_range table in the case where there are
lots of branches, since it'll separate the data for one branch from another.

These migrations will remove the existing data, so
rebuild-package-derivations-table will currently need manually running to
regenerate it.
This commit is contained in:
Christopher Baines 2022-05-23 19:10:25 +01:00
parent 89545caa3f
commit 64be52844e
19 changed files with 442 additions and 167 deletions
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7
sqitch/revert/partition_package_derivations_by_guix_revision_range.sql Normal file
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-- Revert guix-data-service:partition_package_derivations_by_guix_revision_range from pg
BEGIN;
-- XXX Add DDLs here.
COMMIT;