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我想删除现有的SQLite数据库中的所有数据,这是我使用的代码:绑定或列索引超出范围
sqlite3* database;
databaseName = @"AppDB";
NSString *pathToDatabase;
NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDir = [documentPaths objectAtIndex:0];
pathToDatabase = [documentsDir stringByAppendingPathComponent:databaseName];
int databaseReturnCode = sqlite3_open([pathToDatabase UTF8String], &database);
NSLog(@"databaseReturnCode %d",databaseReturnCode);
if(databaseReturnCode == SQLITE_OK) {
const char *sql = "delete from AppDB";
sqlite3_stmt *delete_statement;
sqlite3_prepare_v2(database, sql, -1, &delete_statement, NULL);
sqlite3_bind_int(delete_statement, 1, 1);
printf("error or not an error? : %s\n", sqlite3_errmsg(database));
sqlite3_reset(delete_statement);
sqlite3_finalize(delete_statement);
}
sqlite3_close(database);
有这多个领域,多个表D B。请让我知道错误是什么。提前致谢。
谢谢!有用!!数据库名称和第一个表是相同的,所以第一个表的所有记录都被删除。这个直接的查询正在发生 – 2011-04-15 16:06:00