Exemple #1
0
        /// <summary>
        ///  Performs CRUD load. Override to do custom Query interpretation
        /// </summary>
        protected internal async virtual Task <List <RowsetBase> > DoLoadAsync(MySqlConnection cnn, MySqlTransaction transaction, Query[] queries, bool oneDoc = false)
        {
            var result = new List <RowsetBase>();

            if (queries == null)
            {
                return(result);
            }

            foreach (var query in queries)
            {
                var handler = QueryResolver.Resolve(query);
                try
                {
                    var rowset = await handler.ExecuteAsync(new MySqlCrudQueryExecutionContext(this, cnn, transaction), query, oneDoc).ConfigureAwait(false);

                    result.Add(rowset);
                }
                catch (Exception error)
                {
                    throw new MySqlDataAccessException(
                              StringConsts.LOAD_ERROR + error.ToMessageWithType(),
                              error,
                              KeyViolationKind.Unspecified,
                              CrudGenerator.KeyViolationName(error));
                }
            }

            return(result);
        }
Exemple #2
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        /// <summary>
        ///  Performs CRUD load. Override to do custom Query interpretation
        /// </summary>
        protected internal async virtual Task <Cursor> DoOpenCursorAsync(MySqlConnection cnn, MySqlTransaction transaction, Query query)
        {
            var context = new MySqlCrudQueryExecutionContext(this, cnn, transaction);
            var handler = QueryResolver.Resolve(query);

            try
            {
                return(await handler.OpenCursorAsync(context, query).ConfigureAwait(false));
            }
            catch (Exception error)
            {
                throw new MySqlDataAccessException(
                          StringConsts.OPEN_CURSOR_ERROR + error.ToMessageWithType(),
                          error,
                          KeyViolationKind.Unspecified,
                          CrudGenerator.KeyViolationName(error));
            }
        }
Exemple #3
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        /// <summary>
        ///  Performs CRUD execution of queries that do not return result set. Override to do custom Query interpretation
        /// </summary>
        protected internal async virtual Task <Doc> DoExecuteAsync(MySqlConnection cnn, MySqlTransaction transaction, Query query)
        {
            if (query == null)
            {
                return(null);
            }

            var handler = QueryResolver.Resolve(query);

            try
            {
                return(await handler.ExecuteProcedureAsync(new MySqlCrudQueryExecutionContext(this, cnn, transaction), query).ConfigureAwait(false));
            }
            catch (Exception error)
            {
                throw new MySqlDataAccessException(
                          StringConsts.EXECUTE_WITHOUT_FETCH_ERROR + error.ToMessageWithType(),
                          error,
                          KeyViolationKind.Unspecified,
                          CrudGenerator.KeyViolationName(error));
            }
        }
 /// <summary>
 /// Based on store settings, converts query parameters into MySQL-acceptable values, i.e. GDID -> BYTE[].
 /// This function is not idempotent
 /// </summary>
 public void ConvertParameters(MySqlParameterCollection pars)
 {
     CrudGenerator.ConvertParameters(DataStore, pars);
 }
 /// <summary>
 /// Based on store settings, converts CLR value to MySql-acceptable value, i.e. GDID -> BYTE[].
 /// </summary>
 public (object value, MySqlDbType?dbType) CLRValueToDB(object value, string explicitDbType)
 {
     return(CrudGenerator.CLRValueToDB(DataStore, value, explicitDbType));
 }
Exemple #6
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 /// <summary>
 /// Performs CRUD row upsert. Override to do custom upsertion
 /// </summary>
 protected internal async override Task <int> DoUpsertAsync(MySqlConnection cnn, MySqlTransaction transaction, Doc row, FieldFilterFunc filter = null)
 {
     CheckReadOnly(row.Schema, "upsert");
     return(await CrudGenerator.CRUDUpsert(this, cnn, transaction, row, filter).ConfigureAwait(false));
 }
Exemple #7
0
 /// <summary>
 /// Performs CRUD row deletion. Override to do custom deletion
 /// </summary>
 protected internal async override Task <int> DoDeleteAsync(MySqlConnection cnn, MySqlTransaction transaction, Doc row, IDataStoreKey key = null)
 {
     CheckReadOnly(row.Schema, "delete");
     return(await CrudGenerator.CRUDDelete(this, cnn, transaction, row, key).ConfigureAwait(false));
 }