Logo Questions Linux Laravel Mysql Ubuntu Git Menu
 

how to load more than 1 MB data from sqlite db to android cursor?

exactly i am trying to load more than 1MB of data from sqlite database to android cursor. At the time of loading it gives following error like

08-04 11:10:15.813: ERROR/CursorWindow(4465): need to grow: mSize = 2097152, size = 403719, freeSpace() = 209669, numRows = 1
08-04 11:10:15.813: ERROR/CursorWindow(4465): Attempting to grow window beyond max size (2097152)
08-04 11:10:15.813: ERROR/Cursor(4465): Failed allocating 403719 bytes for blob at 0,13
08-04 11:10:15.813: DEBUG/Cursor(4465): finish_program_and_get_row_count row 0
08-04 11:10:15.899: ERROR/CursorWindow(4465): need to grow: mSize = 2097152, size = 403719, freeSpace() = 209669, numRows = 1
08-04 11:10:15.899: ERROR/CursorWindow(4465): Attempting to grow window beyond max size (2097152)
08-04 11:10:15.899: ERROR/Cursor(4465): Failed allocating 403719 bytes for blob at 0,13
08-04 11:10:15.899: DEBUG/Cursor(4465): finish_program_and_get_row_count row 0
08-04 11:10:15.899: ERROR/CursorWindow(4465): Bad request for field slot 0,0. numRows = 0, numColumns = 14
08-04 11:10:15.899: DEBUG/AndroidRuntime(4465): Shutting down VM.

if any one knows how to load large data (more than 1MB) to android cursor? thanks,

like image 370
ilango j Avatar asked Aug 04 '11 08:08

ilango j


People also ask

What is the maximum size of SQLite database in Android?

Maximum Database Size The maximum size of a database file is 4294967294 pages. At the maximum page size of 65536 bytes, this translates into a maximum database size of approximately 1.4e+14 bytes (281 terabytes, or 256 tebibytes, or 281474 gigabytes or 256,000 gibibytes).

What is SQLite size limit?

SQLite database files have a maximum size of about 140 TB. On a phone, the size of the storage (a few GB) will limit your database file size, while the memory size will limit how much data you can retrieve from a query. Furthermore, Android cursors have a limit of 1 MB for the results.

Can SQLite store large data?

An SQLite database is limited in size to 281 terabytes (248 bytes, 256 tibibytes). And even if it could handle larger databases, SQLite stores the entire database in a single disk file and many filesystems limit the maximum size of files to something less than this.

Does SQLite support cursors?

The sqlite3. Cursor class is an instance using which you can invoke methods that execute SQLite statements, fetch data from the result sets of the queries. You can create Cursor object using the cursor() method of the Connection object/class.


1 Answers

Don't store blobs of 500KB in your database. Store identifiers in your database and put the blobs as files onto the storage. If you use MODE_PRIVATE, they will not be accessible by other processes.

like image 112
EboMike Avatar answered Oct 26 '22 11:10

EboMike