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EN: Retroactively "repair" broken database entries to a sane default value 

Related to #1230
This commit is contained in:
Marvin W 2020-10-17 15:30:03 +02:00
parent 139f7eaf17
commit 155bbce69b
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1 changed files with 7 additions and 1 deletions
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8
play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt
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@ -78,6 +78,12 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
db.execSQL("CREATE INDEX IF NOT EXISTS index_${TABLE_TEK_CHECK_FILE_MATCH}_tcfid ON $TABLE_TEK_CHECK_FILE_MATCH(tcfid);")
db.execSQL("CREATE INDEX IF NOT EXISTS index_${TABLE_TEK_CHECK_FILE_MATCH}_key ON $TABLE_TEK_CHECK_FILE_MATCH(keyData, rollingStartNumber, rollingPeriod);")
}
if (oldVersion < 6) {
Log.d(TAG, "Fixing invalid rssi values from previous database version")
// There's no bluetooth chip with a sensitivity that would result in rssi -200, so this would be invalid.
// RSSI of -100 is already extremely low and thus is a good "default" value
db.execSQL("UPDATE $TABLE_ADVERTISEMENTS SET rssi = -100 WHERE rssi < -200;")
}
Log.d(TAG, "Finished database upgrade")
}
@ -700,7 +706,7 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
companion object {
private const val DB_NAME = "exposure.db"
private const val DB_VERSION = 5
private const val DB_VERSION = 6
private const val DB_SIZE_TOO_LARGE = 256L * 1024 * 1024
private const val MAX_DELETE_TIME = 5000L
private const val TABLE_ADVERTISEMENTS = "advertisements"