openBlob
abstract fun openBlob(tableName: String, columnName: String, rowid: Long, database: String = SQLITE_MAIN_DB_NAME, flags: SqliteBlobOpenFlag = SqliteBlobOpenFlag.READWRITE): Blob(source)
Opens the Blob for incremental I/O on column columnName of the row rowid in table tableName, in database. flags controls whether the blob is opened for writing.
Throws
if opening the blob fails.