use of org.apache.drill.exec.util.Text in project drill by axbaretto.
the class DrillTestWrapper method addToCombinedVectorResults.
/**
* Add to result vectors and compare batch schema against expected schema while iterating batches.
* @param batches
* @param expectedSchema: the expected schema the batches should contain. Through SchemaChangeException
* if encounter different batch schema.
* @param combinedVectors: the vectors to hold the values when iterate the batches.
*
* @return number of batches
* @throws SchemaChangeException
* @throws UnsupportedEncodingException
*/
public static int addToCombinedVectorResults(Iterable<VectorAccessible> batches, BatchSchema expectedSchema, Long expectedBatchSize, Integer expectedNumBatches, Map<String, List<Object>> combinedVectors) throws SchemaChangeException, UnsupportedEncodingException {
// TODO - this does not handle schema changes
int numBatch = 0;
long totalRecords = 0;
BatchSchema schema = null;
for (VectorAccessible loader : batches) {
numBatch++;
if (expectedSchema != null) {
if (!expectedSchema.isEquivalent(loader.getSchema())) {
throw new SchemaChangeException(String.format("Batch schema does not match expected schema\n" + "Actual schema: %s. Expected schema : %s", loader.getSchema(), expectedSchema));
}
}
if (expectedBatchSize != null) {
RecordBatchSizer sizer = new RecordBatchSizer(loader);
// Not checking actualSize as accounting is not correct when we do
// split and transfer ownership across operators.
Assert.assertTrue(sizer.netSize() <= expectedBatchSize);
}
// SchemaChangeException, so check/clean throws clause above.
if (schema == null) {
schema = loader.getSchema();
for (MaterializedField mf : schema) {
combinedVectors.put(SchemaPath.getSimplePath(mf.getName()).toExpr(), new ArrayList<>());
}
} else {
// TODO - actually handle schema changes, this is just to get access to the SelectionVectorMode
// of the current batch, the check for a null schema is used to only mutate the schema once
// need to add new vectors and null fill for previous batches? distinction between null and non-existence important?
schema = loader.getSchema();
}
logger.debug("reading batch with " + loader.getRecordCount() + " rows, total read so far " + totalRecords);
totalRecords += loader.getRecordCount();
for (VectorWrapper<?> w : loader) {
String field = SchemaPath.getSimplePath(w.getField().getName()).toExpr();
ValueVector[] vectors;
if (w.isHyper()) {
vectors = w.getValueVectors();
} else {
vectors = new ValueVector[] { w.getValueVector() };
}
SelectionVector2 sv2 = null;
SelectionVector4 sv4 = null;
switch(schema.getSelectionVectorMode()) {
case TWO_BYTE:
sv2 = loader.getSelectionVector2();
break;
case FOUR_BYTE:
sv4 = loader.getSelectionVector4();
break;
}
if (sv4 != null) {
for (int j = 0; j < sv4.getCount(); j++) {
int complexIndex = sv4.get(j);
int batchIndex = complexIndex >> 16;
int recordIndexInBatch = complexIndex & 65535;
Object obj = vectors[batchIndex].getAccessor().getObject(recordIndexInBatch);
if (obj != null) {
if (obj instanceof Text) {
obj = obj.toString();
}
}
combinedVectors.get(field).add(obj);
}
} else {
for (ValueVector vv : vectors) {
for (int j = 0; j < loader.getRecordCount(); j++) {
int index;
if (sv2 != null) {
index = sv2.getIndex(j);
} else {
index = j;
}
Object obj = vv.getAccessor().getObject(index);
if (obj != null) {
if (obj instanceof Text) {
obj = obj.toString();
}
}
combinedVectors.get(field).add(obj);
}
}
}
}
}
if (expectedNumBatches != null) {
// Based on how much memory is actually taken by value vectors (because of doubling stuff),
// we have to do complex math for predicting exact number of batches.
// Instead, check that number of batches is at least the minimum that is expected
// and no more than twice of that.
Assert.assertTrue(numBatch >= expectedNumBatches);
Assert.assertTrue(numBatch <= (2 * expectedNumBatches));
}
return numBatch;
}
use of org.apache.drill.exec.util.Text in project drill by axbaretto.
the class TestBuilder method mapOf.
/**
* Convenience method to create a {@link JsonStringHashMap<String, Object> map} instance with the given key value sequence.
*
* Key value sequence consists of key - value pairs such that a key precedes its value. For instance:
*
* mapOf("name", "Adam", "age", 41) corresponds to {"name": "Adam", "age": 41} in JSON.
*/
public static JsonStringHashMap<String, Object> mapOf(Object... keyValueSequence) {
Preconditions.checkArgument(keyValueSequence.length % 2 == 0, "Length of key value sequence must be even");
final JsonStringHashMap<String, Object> map = new JsonStringHashMap<>();
for (int i = 0; i < keyValueSequence.length; i += 2) {
Object value = keyValueSequence[i + 1];
if (value instanceof CharSequence) {
value = new Text(value.toString());
}
map.put(String.class.cast(keyValueSequence[i]), value);
}
return map;
}
use of org.apache.drill.exec.util.Text in project drill by apache.
the class TestDrillParquetReader method testTimeMicros.
@Test
public void testTimeMicros() throws Exception {
testBuilder().unOrdered().sqlQuery("select * from cp.`parquet2/allTypes.parquet`").baselineColumns("int_field", "long_field", "float_field", "double_field", "string_field", "boolean_field", "time_field", "timestamp_field", "date_field", "decimal_field", "uuid_field", "fixed_field", "binary_field", "list_field", "map_field", "struct_field", "repeated_struct_field", "repeated_list_field", "repeated_map_field").baselineValues(1, 100L, 0.5F, 1.5D, "abc", true, LocalTime.of(2, 42, 42), LocalDateTime.of(1994, 4, 18, 11, 0, 0), LocalDate.of(1994, 4, 18), new BigDecimal("12.34"), new byte[16], new byte[10], "hello".getBytes(StandardCharsets.UTF_8), listOf("a", "b", "c"), mapOfObject(new Text("a"), 0.1F, new Text("b"), 0.2F), mapOf("struct_int_field", 123, "struct_string_field", "abc"), listOf(mapOf("struct_int_field", 123, "struct_string_field", "abc"), mapOf("struct_int_field", 123, "struct_string_field", "abc")), listOf(listOf("a", "b", "c"), listOf("a", "b", "c")), listOf(mapOfObject(new Text("a"), 0.1F, new Text("b"), 0.2F), mapOfObject(new Text("a"), 0.1F, new Text("b"), 0.2F))).baselineValues(null, null, null, null, null, null, null, null, null, null, null, null, null, listOf(), mapOfObject(), mapOf(), listOf(), listOf(), listOf()).go();
testRunAndPrint(UserBitShared.QueryType.SQL, "select * from cp.`parquet2/allTypes.parquet`");
}
use of org.apache.drill.exec.util.Text in project drill by apache.
the class TestAggregateFunctions method getBaselineRecords.
private Map<String, Object> getBaselineRecords(String tableName) throws Exception {
QueryDataBatch result = queryBuilder().sql("select * from %s limit 1", tableName).results().get(0);
Map<String, Object> resultingValues = new HashMap<>();
RecordBatchLoader loader = new RecordBatchLoader(cluster.allocator());
loader.load(result.getHeader().getDef(), result.getData());
for (VectorWrapper<?> vectorWrapper : loader.getContainer()) {
String fieldName = vectorWrapper.getField().getName();
Object object = vectorWrapper.getValueVector().getAccessor().getObject(0);
// VarCharVector returns Text instance, but baseline values should contain String value
if (object instanceof Text) {
object = object.toString();
}
resultingValues.put(fieldName, object);
}
loader.clear();
result.release();
return resultingValues;
}
use of org.apache.drill.exec.util.Text in project drill by apache.
the class TestStringFunctions method testSplitWithNullInput.
@Test
public void testSplitWithNullInput() throws Exception {
/*
{"a": "aaaaaa.bbb.cc.ddddd"}
{"a": null}
{"a": "aa"}
*/
try (BufferedWriter writer = new BufferedWriter(new FileWriter(new File(dirTestWatcher.getRootDir(), "nullable_strings.json")))) {
String[] fieldValue = { "\"aaaaaa.bbb.cc.ddddd\"", null, "\"aa\"" };
for (String value : fieldValue) {
String entry = String.format("{ \"a\": %s}\n", value);
writer.write(entry);
}
}
testBuilder().sqlQuery("select split(a, '.') wordsCount from dfs.`nullable_strings.json` t").unOrdered().baselineColumns("wordsCount").baselineValues(ImmutableList.of(new Text("aaaaaa"), new Text("bbb"), new Text("cc"), new Text("ddddd"))).baselineValues(ImmutableList.of()).baselineValues(ImmutableList.of(new Text("aa"))).go();
}
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