SQLite

• Name: SQLite
• Category: Database

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Configuration

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Usage

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.configu store declaration

stores:
  my-store:
    type: sqlite
    configuration:
      host: localhost
      username: test
      password: test
      database: test

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CLI examples

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Upsert command

configu upsert --store "my-store" --set "test" --schema "./start.cfgu.json" \
    -c "GREETING=hey" \
    -c "SUBJECT=configu"

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Eval and export commands

configu eval --store "my-store" --set "test" --schema "./start.cfgu.json" \
 | configu export

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Common errors and solutions

1. Database is locked
   • Solution: Ensure that only one thread is writing to the database at a time. Use transactions to control access. Set the PRAGMA busy_timeout to make SQLite wait before throwing the error, e.g.
   PRAGMA busy_timeout = 3000;
   
2. Disk I/O error
   • Solution: Ensure the disk isn’t full. Make sure SQLite has permission to read and write to the database file. Verify that the path to the database file is correct.
3. Database disk image is malformed
   • Solution: Create a backup of the corrupted database file. Use the SQLite .dump command to export and re-import data
   sqlite3 corrupted.db ".dump" > backup.sql
   sqlite3 new.db < backup.sql
   
4. No such table: table_name
   • Solution: Check if the table exists in the database by running .tables in the SQLite CLI. Verify the correct database file is being accessed. Ensure the SQL code or migrations to create the table have been executed before trying to access it.

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References

• Integration documentation: https://www.sqlite.org/docs.html
• TypeORM documentation: https://typeorm.io