diff options
Diffstat (limited to 'src/sqlite.h.in')
| -rw-r--r-- | src/sqlite.h.in | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/sqlite.h.in b/src/sqlite.h.in index 31202ecc2..cce23aa22 100644 --- a/src/sqlite.h.in +++ b/src/sqlite.h.in @@ -1820,6 +1820,20 @@ struct sqlite3_mem_methods { ** is enabled (using the [PRAGMA threads] command) and the amount of content ** to be sorted exceeds the page size times the minimum of the ** [PRAGMA cache_size] setting and this value. +** +** [[SQLITE_CONFIG_STMTJRNL_SPILL]] +** <dt>SQLITE_CONFIG_STMTJRNL_SPILL +** <dd>^The SQLITE_CONFIG_STMTJRNL_SPILL option takes a single parameter which +** becomes the [statement journal] spill-to-disk threshold. +** [Statement journals] are held in memory until their size (in bytes) +** exceeds this threshold, at which point they are written to disk. +** Or if the threshold is -1, statement journals are always held +** exclusively in memory. +** Since many statement journals never become large, setting the spill +** threshold to a value such as 64KiB can greatly reduce the amount of +** I/O required to support statement rollback. +** The default value for this setting is controlled by the +** [SQLITE_STMTJRNL_SPILL] compile-time option. ** </dl> */ #define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ @@ -1847,6 +1861,7 @@ struct sqlite3_mem_methods { #define SQLITE_CONFIG_WIN32_HEAPSIZE 23 /* int nByte */ #define SQLITE_CONFIG_PCACHE_HDRSZ 24 /* int *psz */ #define SQLITE_CONFIG_PMASZ 25 /* unsigned int szPma */ +#define SQLITE_CONFIG_STMTJRNL_SPILL 26 /* int nByte */ /* ** CAPI3REF: Database Connection Configuration Options |