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Add the ability to turn of calls to fsync() using the "synchronous" pragma.

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Increased the default cache size from 100 to 2000 and made the "cache_size"
pragma persistent. (CVS 418)

FossilOrigin-Name: 414da4af1f4aebc3936ca339fbc7932add081912
This commit is contained in:
drh
2002-03-05 01:11:12 +00:00
parent ef2daf547d
commit 603240cf5d
11 changed files with 395 additions and 63 deletions
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45
src/main.c
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@@ -14,7 +14,7 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.66 2002/02/28 00:41:11 drh Exp $
** $Id: main.c,v 1.67 2002/03/05 01:11:14 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -42,6 +42,13 @@ static int sqliteOpenCb(void *pDb, int argc, char **argv, char **azColName){
assert( argc==4 );
switch( argv[0][0] ){
case 'c': { /* Recommended pager cache size */
int size = atoi(argv[3]);
if( size!=0 ){
sqliteBtreeSetCacheSize(db->pBe, size);
}
break;
}
case 'f': { /* File format */
db->file_format = atoi(argv[3]);
break;
@@ -176,6 +183,14 @@ static int sqliteInit(sqlite *db, char **pzErrMsg){
{ OP_ReadCookie, 0, 1, 0},
{ OP_Callback, 4, 0, 0},
/* Send the recommended pager cache size to the callback routine
*/
{ OP_String, 0, 0, "cache-size"},
{ OP_String, 0, 0, 0},
{ OP_String, 0, 0, 0},
{ OP_ReadCookie, 0, 2, 0},
{ OP_Callback, 4, 0, 0},
/* Send the initial schema cookie to the callback
*/
{ OP_String, 0, 0, "schema_cookie"},
@@ -192,45 +207,45 @@ static int sqliteInit(sqlite *db, char **pzErrMsg){
*/
{ OP_ReadCookie, 0, 1, 0},
{ OP_Integer, 2, 0, 0},
{ OP_Lt, 0, 23, 0},
{ OP_Lt, 0, 28, 0},
/* This is the code for doing a single scan through the SQLITE_MASTER
** table. This code runs for format 2 and greater.
*/
{ OP_Rewind, 0, 21, 0},
{ OP_Column, 0, 0, 0}, /* 15 */
{ OP_Rewind, 0, 26, 0},
{ OP_Column, 0, 0, 0}, /* 20 */
{ OP_Column, 0, 1, 0},
{ OP_Column, 0, 3, 0},
{ OP_Column, 0, 4, 0},
{ OP_Callback, 4, 0, 0},
{ OP_Next, 0, 15, 0},
{ OP_Close, 0, 0, 0}, /* 21 */
{ OP_Next, 0, 20, 0},
{ OP_Close, 0, 0, 0}, /* 26 */
{ OP_Halt, 0, 0, 0},
/* This is the code for doing two passes through SQLITE_MASTER. This
** code runs for file format 1.
*/
{ OP_Rewind, 0, 43, 0}, /* 23 */
{ OP_Column, 0, 0, 0}, /* 24 */
{ OP_Rewind, 0, 48, 0}, /* 28 */
{ OP_Column, 0, 0, 0}, /* 29 */
{ OP_String, 0, 0, "table"},
{ OP_Ne, 0, 32, 0},
{ OP_Ne, 0, 37, 0},
{ OP_Column, 0, 0, 0},
{ OP_Column, 0, 1, 0},
{ OP_Column, 0, 3, 0},
{ OP_Column, 0, 4, 0},
{ OP_Callback, 4, 0, 0},
{ OP_Next, 0, 24, 0}, /* 32 */
{ OP_Rewind, 0, 43, 0}, /* 33 */
{ OP_Column, 0, 0, 0}, /* 34 */
{ OP_Next, 0, 29, 0}, /* 37 */
{ OP_Rewind, 0, 48, 0}, /* 38 */
{ OP_Column, 0, 0, 0}, /* 39 */
{ OP_String, 0, 0, "index"},
{ OP_Ne, 0, 42, 0},
{ OP_Ne, 0, 47, 0},
{ OP_Column, 0, 0, 0},
{ OP_Column, 0, 1, 0},
{ OP_Column, 0, 3, 0},
{ OP_Column, 0, 4, 0},
{ OP_Callback, 4, 0, 0},
{ OP_Next, 0, 34, 0}, /* 42 */
{ OP_Close, 0, 0, 0}, /* 43 */
{ OP_Next, 0, 39, 0}, /* 47 */
{ OP_Close, 0, 0, 0}, /* 48 */
{ OP_Halt, 0, 0, 0},
};