Database Connection Configuration Options

#define SQLITE_DBCONFIG_LOOKASIDE    1001  /* void* int int */

These constants are the available integer configuration options that can be passed as the second argument to the sqlite3_db_config() interface.

New configuration options may be added in future releases of SQLite. Existing configuration options might be discontinued. Applications should check the return code from sqlite3_db_config() to make sure that the call worked. The sqlite3_db_config() interface will return a non-zero error code if a discontinued or unsupported configuration option is invoked.

SQLITE_DBCONFIG_LOOKASIDE

This option takes three additional arguments that determine the lookaside memory allocator configuration for the database connection. The first argument (the third parameter to sqlite3_db_config() is a pointer to an memory buffer to use for lookaside memory. The first argument after the SQLITE_DBCONFIG_LOOKASIDE verb may be NULL in which case SQLite will allocate the lookaside buffer itself using sqlite3_malloc(). The second argument is the size of each lookaside buffer slot. The third argument is the number of slots. The size of the buffer in the first argument must be greater than or equal to the product of the second and third arguments. The buffer must be aligned to an 8-byte boundary. If the second argument to SQLITE_DBCONFIG_LOOKASIDE is not a multiple of 8, it is internally rounded down to the next smaller multiple of 8. See also: SQLITE_CONFIG_LOOKASIDE

See also lists of Objects, Constants, and Functions.

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