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Add an index for derivation_sources.derivation_source_file_id

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As this speeds up deleting derivation_source_files.
This commit is contained in:
Christopher Baines 2020-10-02 20:13:28 +01:00
parent 71afa93981
commit e2a7705d3d
4 changed files with 23 additions and 0 deletions
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sqitch/deploy/add_derivation_sources_derivation_source_file_id_index.sql Normal file
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-- Deploy guix-data-service:add_derivation_sources_derivation_source_file_id_index to pg
BEGIN;
CREATE INDEX derivation_sources_derivation_source_file_id_idx
ON derivation_sources (derivation_source_file_id);
COMMIT;