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Create func to automatically create DB indexes rather than just documenting them in a comment that has to be manually executed

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This commit is contained in:
David Dworken 2023-09-22 19:11:43 -07:00
parent 51f2c15f35
commit cc11916f3c
No known key found for this signature in database
3 changed files with 24 additions and 9 deletions
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20
backend/server/internal/database/db.go
View File

@ -63,6 +63,26 @@ func (db *DB) AddDatabaseTables() error {
return nil
}
func (db *DB) CreateIndices() error {
// Note: If adding a new index here, consider manually running it on the prod DB using CONCURRENTLY to
// make server startup non-blocking. The benefit of this function is primarily for other people so they
// don't have to manually create these indexes.
var indices = []string{
`CREATE INDEX IF NOT EXISTS entry_id_idx ON enc_history_entries USING btree(encrypted_id);`,
`CREATE INDEX IF NOT EXISTS device_id_idx ON enc_history_entries USING btree(device_id);`,
`CREATE INDEX IF NOT EXISTS read_count_idx ON enc_history_entries USING btree(read_count);`,
`CREATE INDEX IF NOT EXISTS redact_idx ON enc_history_entries USING btree(user_id, device_id, date);`,
`CREATE INDEX IF NOT EXISTS del_user_idx ON deletion_requests USING btree(user_id);`,
}
for _, index := range indices {
r := db.Exec(index)
if r.Error != nil {
return fmt.Errorf("failed to execute index creation sql=%#v: %w", index, r.Error)
}
}
return nil
}
func (db *DB) Close() error {
rawDB, err := db.DB.DB()
if err != nil {

4
backend/server/server.go
View File

@ -95,6 +95,10 @@ func OpenDB() (*database.DB, error) {
return nil, fmt.Errorf("failed to create underlying DB tables: %w", err)
}
}
err := db.CreateIndices()
if err != nil {
return nil, err
}
return db, nil
}

9
shared/data.go
View File

@ -20,15 +20,6 @@ type EncHistoryEntry struct {
ReadCount int `json:"read_count"`
}
/*
Manually created the indices:
CREATE INDEX CONCURRENTLY entry_id_idx ON enc_history_entries USING btree(encrypted_id);
CREATE INDEX CONCURRENTLY device_id_idx ON enc_history_entries USING btree(device_id);
CREATE INDEX CONCURRENTLY read_count_idx ON enc_history_entries USING btree(read_count);
CREATE INDEX CONCURRENTLY redact_idx ON enc_history_entries USING btree(user_id, device_id, date);
CREATE INDEX CONCURRENTLY del_user_idx ON deletion_requests USING btree(user_id);
*/
type Device struct {
UserId string `json:"user_id"`
DeviceId string `json:"device_id"`