public async Task <ExecuteResult> ExecuteAsync(IInternalExecutionContext context)
{
var rows = (await this.dataSourceFactory(context).ConfigureAwait(false)).GetRows(context, this.query);
var rowBuilder = new RowBuilder(new FieldMapping(this.fieldNames));
rows = this.asyncValueFactory != null
? rows.Select(async row => rowBuilder.CreateRow <object>(row.UniqueId, await this.asyncValueFactory(context, row)))
: rows.Select(row => rowBuilder.CreateRow(row.UniqueId, this.valueFactory(context, row)));
#if DEBUG
rows = await rows.MaterializeAsync();
#endif
return(new ExecuteResult(0, rows));
}
public async Task <ExecuteResult> ExecuteAsync(IInternalExecutionContext context)
{
var rowBuilder = new RowBuilder(new FieldMapping(this.fields));
var result = await this.plan.ExecuteAsync(context).ConfigureAwait(false);
var id = 0;
var grouped = result.QueryResults[0].Rows
.GroupBy(row => this.groupFields.Select(f => row[f]).ToArray(), ArrayOfObjectComparer.Default)
.Select(async group => rowBuilder.CreateRow(id++, await this.rowFactory(context, group).ConfigureAwait(false)))
.Where(this.having.GetRowFilter())
.OrderBy(this.orders);
#if DEBUG
grouped = await context.MaterializeAsync(grouped).ConfigureAwait(false);
#endif
return(new ExecuteResult(0, grouped));
}
