private void Execute(string query, params object[] parameters)
{
Sqlite3Statement statement = null;
try
{
Result r = (Result)Enum.Parse(typeof(Result), Sqlite3.sqlite3_prepare_v2(Handle, query, out statement).ToString());
if (r != Result.OK && r != Result.Done && r != Result.Row)
{
throw Sqlite3Exception.New(r, string.Format("Error executing statement {0}", r));
}
BindData(statement, parameters);
r = (Result)Enum.Parse(typeof(Result), Sqlite3.sqlite3_step(statement).ToString());
if (r != Result.OK && r != Result.Done && r != Result.Row)
{
throw Sqlite3Exception.New(r, string.Format("Error executing statement {0}", r));
}
}
finally
{
if (statement != null)
{
Sqlite3.sqlite3_finalize(statement);
}
}
}
private Sqlite3Statement ExecuteQuery(string query, params object[] parameters)
{
Sqlite3Statement statement;
Result r = (Result)Enum.Parse(typeof(Result), Sqlite3.sqlite3_prepare_v2(Handle, query, out statement).ToString());
if (r != Result.OK && r != Result.Done && r != Result.Row)
{
throw Sqlite3Exception.New(r, string.Format("Error executing statement {0}", r));
}
BindData(statement, parameters);
return(statement);
}
private void SetupDatabase()
{
SQLitePCL.Batteries.Init();
string dbPath = Path.Combine(PCLStorage.FileSystem.Current.LocalStorage.Path, DB_FILE_NAME);
var r = Sqlite3.sqlite3_open(dbPath, out Handle);
string createDatasetTable = "CREATE TABLE IF NOT EXISTS " + TABLE_DATASETS + "("
+ DatasetColumns.IDENTITY_ID + " TEXT NOT NULL,"
+ DatasetColumns.DATASET_NAME + " TEXT NOT NULL,"
+ DatasetColumns.CREATION_TIMESTAMP + " TEXT DEFAULT '0',"
+ DatasetColumns.LAST_MODIFIED_TIMESTAMP + " TEXT DEFAULT '0',"
+ DatasetColumns.LAST_MODIFIED_BY + " TEXT,"
+ DatasetColumns.STORAGE_SIZE_BYTES + " INTEGER DEFAULT 0,"
+ DatasetColumns.RECORD_COUNT + " INTEGER DEFAULT 0,"
+ DatasetColumns.LAST_SYNC_COUNT + " INTEGER NOT NULL DEFAULT 0,"
+ DatasetColumns.LAST_SYNC_TIMESTAMP + " INTEGER DEFAULT '0',"
+ DatasetColumns.LAST_SYNC_RESULT + " TEXT,"
+ "UNIQUE (" + DatasetColumns.IDENTITY_ID + ", "
+ DatasetColumns.DATASET_NAME + ")"
+ ")";
if (r != Sqlite3.SQLITE_OK)
{
throw Sqlite3Exception.New((Result)Enum.Parse(typeof(Result), r.ToString()), string.Format("Could not open database file: {0} ({1})", dbPath, r));
}
Execute(createDatasetTable);
string createRecordsTable = "CREATE TABLE IF NOT EXISTS " + TABLE_RECORDS + "("
+ RecordColumns.IDENTITY_ID + " TEXT NOT NULL,"
+ RecordColumns.DATASET_NAME + " TEXT NOT NULL,"
+ RecordColumns.KEY + " TEXT NOT NULL,"
+ RecordColumns.VALUE + " TEXT,"
+ RecordColumns.SYNC_COUNT + " INTEGER NOT NULL DEFAULT 0,"
+ RecordColumns.LAST_MODIFIED_TIMESTAMP + " TEXT DEFAULT '0',"
+ RecordColumns.LAST_MODIFIED_BY + " TEXT,"
+ RecordColumns.DEVICE_LAST_MODIFIED_TIMESTAMP + " TEXT DEFAULT '0',"
+ RecordColumns.MODIFIED + " INTEGER NOT NULL DEFAULT 1,"
+ "UNIQUE (" + RecordColumns.IDENTITY_ID + ", " + RecordColumns.DATASET_NAME
+ ", " + RecordColumns.KEY + ")"
+ ")";
Execute(createRecordsTable);
}