private void doCreateSampledTable() throws InterruptedException {
// begin creating the table
List<ColumnMetadata> columns =
ImmutableList.<ColumnMetadata>builder()
.add(new ColumnMetadata("sales", BIGINT, 1, false))
.build();
ConnectorTableMetadata tableMetadata =
new ConnectorTableMetadata(temporaryCreateSampledTable, columns, tableOwner, true);
ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, tableMetadata);
// write the records
RecordSink sink = recordSinkProvider.getRecordSink(outputHandle);
sink.beginRecord(8);
sink.appendLong(2);
sink.finishRecord();
sink.beginRecord(5);
sink.appendLong(3);
sink.finishRecord();
sink.beginRecord(7);
sink.appendLong(4);
sink.finishRecord();
String fragment = sink.commit();
// commit the table
metadata.commitCreateTable(outputHandle, ImmutableList.of(fragment));
// load the new table
ConnectorTableHandle tableHandle = getTableHandle(temporaryCreateSampledTable);
List<ConnectorColumnHandle> columnHandles =
ImmutableList.<ConnectorColumnHandle>builder()
.addAll(metadata.getColumnHandles(tableHandle).values())
.add(metadata.getSampleWeightColumnHandle(tableHandle))
.build();
assertEquals(columnHandles.size(), 2);
// verify the metadata
tableMetadata = metadata.getTableMetadata(getTableHandle(temporaryCreateSampledTable));
assertEquals(tableMetadata.getOwner(), tableOwner);
Map<String, ColumnMetadata> columnMap =
uniqueIndex(tableMetadata.getColumns(), columnNameGetter());
assertEquals(columnMap.size(), 1);
assertPrimitiveField(columnMap, 0, "sales", BIGINT, false);
// verify the data
ConnectorPartitionResult partitionResult =
splitManager.getPartitions(tableHandle, TupleDomain.<ConnectorColumnHandle>all());
assertEquals(partitionResult.getPartitions().size(), 1);
ConnectorSplitSource splitSource =
splitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions());
ConnectorSplit split = getOnlyElement(getAllSplits(splitSource));
try (RecordCursor cursor = recordSetProvider.getRecordSet(split, columnHandles).cursor()) {
assertRecordCursorType(cursor, "rcfile-binary");
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 2);
assertEquals(cursor.getLong(1), 8);
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 3);
assertEquals(cursor.getLong(1), 5);
assertTrue(cursor.advanceNextPosition());
assertEquals(cursor.getLong(0), 4);
assertEquals(cursor.getLong(1), 7);
assertFalse(cursor.advanceNextPosition());
}
}
