How to set results from sqlite to array NSMutableArray - ios

Question

HERE IS MY CODE:
NSString *ask = [NSString stringWithFormat:#"SELECT name FROM users"];
sqlite3_stmt *statement;
const char *query_statement = [ask UTF8String];
const char *dbpath = [_databasePath UTF8String];
if (sqlite3_open(dbpath, &_DB) == SQLITE_OK){
{
if (sqlite3_prepare_v2(_DB, query_statement, -1, &statement, nil) == SQLITE_OK)
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
NSString *nameField = [[NSString alloc] initWithUTF8String:(const char *)sqlite3_column_text(statement, 0)];
}
sqlite3_finalize(statement);
sqlite3_close(_DB);
}
}
I want to set those result above to NSMUtableArray like this example:
totalStrings =[[NSMutableArray alloc]initWithObjects:#"xxx",#"xxx",#"xxx", nil];
What should I do ?
=================UP DATE ALL CODE =======================
Here is the aditonal code to make it easy to see. I really don´t know what I have done wrong.
#interface ViewController ()
{
NSMutableArray *totalStrings;
NSMutableArray *filteredStrings;
BOOL isFiltered;
}
#property(strong, nonatomic)NSMutableArray *entries;
#end
#implementation ViewController;
#synthesize entries;
- (void)viewDidLoad {
// totalStrings =[[NSMutableArray alloc]initWithObjects:#"ggg",#"gggggg", nil];
// NSLog(#"%#",totalStrings);
NSMutableArray* result=[[NSMutableArray alloc] init];
NSString *ask = [NSString stringWithFormat:#"SELECT * FROM users"];
sqlite3_stmt *statement;
const char *query_statement = [ask UTF8String];
const char *dbpath = [_databasePath UTF8String];
if (sqlite3_open(dbpath, &_DB) == SQLITE_OK){
{
if (sqlite3_prepare_v2(_DB, query_statement, -1, &statement, nil) == SQLITE_OK)
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
NSString *nameField = [[NSString alloc] initWithUTF8String:(const char *)sqlite3_column_text(statement, 0)];
//add your namefield here.
[result addObject:nameField];
totalStrings=[[NSMutableArray alloc] initWithArray:result];
}
sqlite3_finalize(statement);
sqlite3_close(_DB);
}
}
NSLog(#"%#",totalStrings);
//AND PUT THOSE RESULTS INTO THIS ARRAY ( I WILL USE THIS LATER)
//I want it to be this format: totalStrings=[[NSMutableArray alloc]initWithObjects:#"test1",#"test2",#"test3", nil];
}

Answer 1

The code below should work in case you want to get all namefields in array
NSMutableArray* result=[[NSMutableArray alloc] init];
NSString *ask = [NSString stringWithFormat:#"SELECT name FROM users"];
sqlite3_stmt *statement;
const char *query_statement = [ask UTF8String];
const char *dbpath = [_databasePath UTF8String];
if (sqlite3_open(dbpath, &_DB) == SQLITE_OK){
{
if (sqlite3_prepare_v2(_DB, query_statement, -1, &statement, nil) == SQLITE_OK)
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
NSString *nameField = [[NSString alloc] initWithUTF8String:(const char *)sqlite3_column_text(statement, 0)];
//add your namefield here.
[result addObject:nameField];
}
sqlite3_finalize(statement);
sqlite3_close(_DB);
}
}
In the end you can do
totalStrings=[[NSMutableArray alloc] initWithArray:result];

Answer 2

Create and Alloc New NSMutableArray totalStrings and add nameField in the totalStrings in While Loop.
NSMutableArray *totalStrings = [[NSMutableArray alloc] init];
In while loop
[totalStrings addObject:nameField];

Answer 3

You can get it like this,
-(NSArray *)list_totalStrings
{
NSMutableArray *totalStrings = [[NSMutableArray alloc] init];
NSString *ask = [NSString stringWithFormat:#"SELECT name FROM users"]; //Make sure field and table names are proper
sqlite3_stmt *statement;
const char *query_statement = [ask UTF8String];
const char *dbpath = [_databasePath UTF8String];
if (sqlite3_open(dbpath, &_DB) == SQLITE_OK){
if (sqlite3_prepare_v2(_DB, query_statement, -1, &statement, nil) == SQLITE_OK)
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
NSString *nameField = [[NSString alloc] initWithUTF8String:(const char *)sqlite3_column_text(statement, 0)];
[totalStrings addObject:nameField];
}
sqlite3_finalize(statement);
sqlite3_close(_DB);
NSLog(#"%#",totalStrings);
return totalStrings;
}
else
return nil;
}
else
return nil;
}