releases: 35930040

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html_url id node_id tag_name target_commitish name draft author prerelease created_at published_at body repo reactions
https://github.com/simonw/sqlite-utils/releases/tag/3.2 35930040 MDc6UmVsZWFzZTM1OTMwMDQw 3.2 main 3.2 0 9599 0 2021-01-03T21:15:26Z 2021-01-03T21:17:37Z

This release introduces a new mechanism for speeding up count(*) queries using cached table counts, stored in a _counts table and updated by triggers. This mechanism is described in Cached table counts using triggers, and can be enabled using Python API methods or the new enable-counts CLI command. (#212)

  • table.enable_counts() method for enabling these triggers on a specific table.
  • db.enable_counts() method for enabling triggers on every table in the database. (#213)
  • New sqlite-utils enable-counts my.db command for enabling counts on all or specific tables, see Enabling cached counts. (#214)
  • New sqlite-utils triggers command for listing the triggers defined for a database or specific tables, see Listing triggers. (#218)
  • New db.use_counts_table property which, if True, causes table.count to read from the _counts table. (#215)
  • table.has_counts_triggers property revealing if a table has been configured with the new _counts database triggers.
  • db.reset_counts() method and sqlite-utils reset-counts command for resetting the values in the _counts table. (#219)
  • The previously undocumented db.escape() method has been renamed to db.quote() and is now covered by the documentation: Quoting strings for use in SQL. (#217)
  • New table.triggers_dict and db.triggers_dict introspection properties. (#211, #216)
  • sqlite-utils insert now shows a more useful error message for invalid JSON. (#206)
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