Unknown

public GetClientData(Handle:db, client)
{
    if (db == INVALID_HANDLE) { PrintToServer("[GetClientData] Database not valid!"); return -1; }

    new String:steamid[64];
    if (!GetClientAuthString(client, steamid, sizeof(steamid))) {
        PrintToServer("[GetClientData] GetClientAuthString failed!");
    }

    new String:qstr[128];
    Format(qstr, sizeof(qstr), "SELECT data FROM client_table WHERE steamid='%s'", steamid);
    SQL_LockDatabase(db); new Handle:query = SQL_Query(db, qstr); SQL_UnlockDatabase(db);
    if (query == INVALID_HANDLE) { PrintToServer("[GetClientData] SQL_Query failed!"); return -1; }

    if (SQL_GetRowCount(query) != 1) {
        PrintToServer("[GetClientData] SteamID has zero OR multiple entires!");
        CloseHandle(query);
        return -1;
    } else {
        if (SQL_FetchRow(query) == false) {

        } else {
            new val = SQL_FetchInt(query, 1);
            CloseHandle(query);
            return val;
        }
    }
}

public SetClientData(Handle:db, client, val)
{
    if (db == INVALID_HANDLE) { PrintToServer("[SetClientData] Database not valid!"); return; }

    new String:steamid[64];
    if (!GetClientAuthString(client, steamid, sizeof(steamid))) {
        PrintToServer("[SetClientData] GetClientAuthString failed!");
    }

    new String:qstr[128];
    Format(qstr, sizeof(qstr), "SELECT data FROM client_table WHERE steamid='%s'", steamid);
    SQL_LockDatabase(db); new Handle:query = SQL_Query(db, qstr); SQL_UnlockDatabase(db);
    if (query == INVALID_HANDLE) { PrintToServer("[SetClientData] SQL_Query failed!"); return; }

    if (SQL_GetRowCount(query) == 1) {
        CloseHandle(query);
        Format(qstr, sizeof(qstr), "UPDATE client_table SET data=%d WHERE steamid='%s'", val, steamid);
        if (!SQL_FastQuery(db, qstr)) {
            PrintToServer("[SetClientData] SQL_FastQuery failed (UPDATE)!");
            CloseHandle(query);
            return;
        }
    } else {
        CloseHandle(query);
        Format(qstr, sizeof(qstr), "INSTERT INTO client_table VALUES('%s', %d)", steamid, val);
        if (!SQL_FastQuery(db, qstr)) {
            PrintToServer("[SetClientData] SQL_FastQuery failed! (INSTERT)");
            CloseHandle(query);
            return;
        }
    }

    return;
}

public CreateClientDataTable(Handle:db)
{
    if (db == INVALID_HANDLE) { PrintToServer("[CreateClientDataTable] Database not valid!"); return; }
    if (!SQL_FastQuery(db, "CREATE TABLE client_table (steamid TEXT, data INTEGER)"))
    {
        PrintToServer("[CreateClientDataTable] Failed to create client_table table (already exists?)!");
        return;
    }
    PrintToServer("[CreateClientDataTable] Created client_table table!");
    return;
}