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Copy pathrollback-test.c
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155 lines (148 loc) · 4.3 KB
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/*
** This program is used to generate and verify databases with hot journals.
** Use this program to generate a hot journal on one machine and verify
** that it rolls back correctly on another machine with a different
** architecture.
**
** Usage:
**
** rollback-test new [-utf8] [-utf16le] [-utf16be] [-pagesize=N] DATABASE
** rollback-test check DATABASE
** rollback-test crash [-wal] [-rollback] DATABASE
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
static void usage(char *argv0){
fprintf(stderr,
"Usage: %s new [-utf8] [-utf16le] [-utf16be] [-pagesize=N] DATABASE\n"
" %s check DATABASE\n"
" %s crash [-wal] DATABASE\n",
argv0, argv0, argv0
);
exit(1);
}
static sqlite3 *openDb(const char *zFilename){
int rc;
sqlite3 *db;
rc = sqlite3_open(zFilename, &db);
if( rc ){
fprintf(stderr, "Cannot open \"%s\": %s\n",
zFilename, sqlite3_errmsg(db));
sqlite3_close(db);
exit(1);
}
return db;
}
static int nReply = 0;
static char zReply[1000];
static int execCallback(void *NotUsed, int nArg, char **azArg, char **azCol){
int i, n;
char *z;
for(i=0; i<nArg; i++){
z = azArg[i];
if( z==0 ) z = "NULL";
if( nReply>0 && nReply<sizeof(zReply)-1 ) zReply[nReply++] = ' ';
n = strlen(z);
if( nReply+n>=sizeof(zReply)-1 ) n = sizeof(zReply) - nReply - 1;
memcpy(&zReply[nReply], z, n);
nReply += n;
zReply[nReply] = 0;
}
return 0;
}
static void runSql(sqlite3 *db, const char *zSql){
char *zErr = 0;
int rc;
nReply = 0;
rc = sqlite3_exec(db, zSql, execCallback, 0, &zErr);
if( zErr ){
fprintf(stderr, "SQL error: %s\n", zErr);
exit(1);
}
if( rc ){
fprintf(stderr, "SQL error: %s\n", sqlite3_errmsg(db));
exit(1);
}
}
int main(int argc, char **argv){
sqlite3 *db;
int i;
if( argc<3 ) usage(argv[0]);
if( strcmp(argv[1], "new")==0 ){
db = openDb(argv[argc-1]);
for(i=2; i<argc-1; i++){
if( strcmp(argv[i],"-utf8")==0 ){
runSql(db, "PRAGMA encoding=UTF8");
}else if( strcmp(argv[i], "-utf16le")==0 ){
runSql(db, "PRAGMA encoding=UTF16LE");
}else if( strcmp(argv[i], "-utf16be")==0 ){
runSql(db, "PRAGMA encoding=UTF16BE");
}else if( strncmp(argv[i], "-pagesize=", 10)==0 ){
int szPg = atoi(&argv[i][10]);
char zBuf[100];
sprintf(zBuf, "PRAGMA pagesize=%d", szPg);
runSql(db, zBuf);
}else{
fprintf(stderr, "unknown option %s\n", argv[i]);
usage(argv[0]);
}
}
runSql(db,
"BEGIN;"
"CREATE TABLE t1(x INTEGER PRIMARY KEY, y);"
"INSERT INTO t1(y) VALUES('abcdefghijklmnopqrstuvwxyz');"
"INSERT INTO t1(y) VALUES('abcdefghijklmnopqrstuvwxyz');"
"INSERT INTO t1(y) SELECT y FROM t1;" /* 4 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 8 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 16 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 32 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 64 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 128 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 256 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 512 */
"INSERT INTO t1(y) SELECT y FROM t1;" /* 1024 */
"UPDATE t1 SET y=(y || x);"
"CREATE INDEX t1y ON t1(y);"
"COMMIT;"
);
sqlite3_close(db);
}else if( strcmp(argv[1], "check")==0 ){
db = openDb(argv[argc-1]);
runSql(db, "PRAGMA integrity_check");
if( strcmp(zReply, "ok")!=0 ){
fprintf(stderr, "Integrity check: %s\n", zReply);
exit(1);
}
runSql(db,
"SELECT count(*) FROM t1 WHERE y<>('abcdefghijklmnopqrstuvwxyz' || x)"
);
if( strcmp(zReply, "0")!=0 ){
fprintf(stderr, "Wrong content\n");
exit(1);
}
printf("Ok\n");
}else if( strcmp(argv[1], "crash")==0 ){
db = openDb(argv[argc-1]);
for(i=2; i<argc-1; i++){
if( strcmp(argv[i],"-wal")==0 ){
runSql(db, "PRAGMA journal_mode=WAL");
}else if( strcmp(argv[i], "-rollback")==0 ){
runSql(db, "PRAGMA journal_mode=DELETE");
}else{
fprintf(stderr, "unknown option %s\n", argv[i]);
usage(argv[0]);
}
}
runSql(db,
"PRAGMA cache_size=10;"
"BEGIN;"
"UPDATE t1 SET y=(y || -x)"
);
exit(0);
}else{
usage(argv[0]);
}
return 0;
}