--- [EMAIL PROTECTED] wrote: > Joe Wilson <[EMAIL PROTECTED]> wrote: > > > > If you read the blob all in at once, true. > > But doesn't sqlite3BtreeData() allows you to read a partial chunk of > > data from the blob at an arbitrary offset? This could be advantageous > > if you are dealing with multi-megabyte blobs and do not require/want > > the entire blob in memory at once. > > > > sqlite3BtreeData() actually reads a prefix of the data. > Because of the way large blobs are stored (as a linked list > of disk pages) you have to start reading at the beginning > and read everything up to the point of interest.
Random access for blobs would be ideal, but even a sequential block fetching mechanism for blobs would be a useful SQLite API addition. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
