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minedesertSoftware and s/w Development

Oct 31, 2013 (4 years and 8 months ago)


Unity3d iPhone SQLite database is empty when launch the app in iOS Device
Asked by
on 2013-03-29T05:33:02-04:00
I am creating database connection in my Unity3d game and i am deploying it on iOS device.
Database connection is working fine but my database is empty though i have pre-fill it before launch.

I am using Unity 4.0.1 Pro and my xCode 4.6 and code in C# language.

Here is my code in c#

void Start () { string connectionString; if (Application.platform ==
RuntimePlatform.IPhonePlayer) { connectionString = "URI=file:" + Application.persistentDataPath
+ "/Database.db"; } else { connectionString = "URI=file:Database.db"; } Debug.Log
("Connection String = " + connectionString); IDbConnection dbcon; dbcon = (IDbConnection)new
SqliteConnection (connectionString); dbcon.Open (); Debug.Log ("Start DB"); IDbCommand
dbcmd = dbcon.CreateCommand (); string sql = "SELECT * from Test "; dbcmd.CommandText =
sql; IDataReader reader = dbcmd.ExecuteReader (); while (reader.Read()) { Debug.Log ("IN
WHILE"); string FirstName = reader.GetString (0); // Print to Console Debug.Log (FirstName); } //
clean up reader.Close (); reader = null; dbcmd.Dispose (); dbcmd = null; dbcon.Close (); dbcon
= null; }
and i am getting following error in console.

SqliteException: SQLite error no such table: Test at Mono.Data.Sqlite.SQLite3.Prepare
(Mono.Data.Sqlite.SqliteConnection cnn, System.String strSql, Mono.Data.Sqlite.SqliteStatement
previous, UInt32 timeoutMS, System.String& strRemain) [0x00000] in
:0 at
Mono.Data.Sqlite.SqliteCommand.BuildNextCommand () [0x00000] in
Please help me.

Best Answer
Answer by
Nicolas Dai
on 2013-03-29T06:17:10-04:00
Try to run add this before your query:

SqliteCommand dbCommand = dbcon.CreateCommand(); string cmdText = "CREATE TABLE
Test (ID INTEGER PRIMARY KEY AUTOINCREMENT)"; dbCommand.CommandText = cmdText;
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