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Add "backup" and "restore" methods to the TCL interfaces and test cases

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to exercise those methods. (CVS 6260)

FossilOrigin-Name: e420a3cedc7ee086a77cd719f6b9fb85415eb5f3
This commit is contained in:
drh
2009-02-04 22:46:47 +00:00
parent 9ff849fc87
commit dc2c491525
10 changed files with 360 additions and 50 deletions
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16
src/shell.c
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@@ -12,7 +12,7 @@
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.200 2009/02/04 20:55:58 drh Exp $
** $Id: shell.c,v 1.201 2009/02/04 22:46:47 drh Exp $
*/
#if defined(_WIN32) || defined(WIN32)
/* This needs to come before any includes for MSVC compiler */
@@ -1113,6 +1113,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3_close(pDest);
return 1;
}
open_db(p);
pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
if( pBackup==0 ){
fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
@@ -1506,6 +1507,8 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3 *pSrc;
sqlite3_backup *pBackup;
int rc;
int nTimeout = 0;
if( nArg==2 ){
zSrcFile = azArg[1];
zDb = "main";
@@ -1519,20 +1522,25 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3_close(pSrc);
return 1;
}
open_db(p);
pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
if( pBackup==0 ){
fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
sqlite3_close(pSrc);
return 1;
}
while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){
if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
sqlite3_sleep(10);
while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
|| rc==SQLITE_BUSY ){
if( rc==SQLITE_BUSY ){
if( nTimeout++ >= 3 ) break;
sqlite3_sleep(100);
}
}
sqlite3_backup_finish(pBackup);
if( rc==SQLITE_DONE ){
rc = SQLITE_OK;
}else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
fprintf(stderr, "source database is busy\n");
}else{
fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
}