private static void assertBlockEquals(Type type, Block actual, Block expected) {
for (int position = 0; position < actual.getPositionCount(); position++) {
assertEquals(
type.getObjectValue(SESSION, actual, position),
type.getObjectValue(SESSION, expected, position));
}
}
public static Slice toJson(Type rowType, ConnectorSession session, Slice row) {
Object object = rowType.getObjectValue(session, createBlock(rowType, row), 0);
try {
return Slices.utf8Slice(OBJECT_MAPPER.get().writeValueAsString(object));
} catch (JsonProcessingException e) {
throw Throwables.propagate(e);
}
}
protected void checkPageSource(
ConnectorPageSource pageSource, List<TestColumn> testColumns, List<Type> types)
throws IOException {
try {
MaterializedResult result = materializeSourceDataStream(SESSION, pageSource, types);
for (MaterializedRow row : result) {
for (int i = 0, testColumnsSize = testColumns.size(); i < testColumnsSize; i++) {
TestColumn testColumn = testColumns.get(i);
Type type = types.get(i);
Object actualValue = row.getField(i);
Object expectedValue = testColumn.getExpectedValue();
if (actualValue == null) {
assertEquals(null, expectedValue, String.format("Expected non-null for column %d", i));
} else if (testColumn.getObjectInspector().getTypeName().equals("float")
|| testColumn.getObjectInspector().getTypeName().equals("double")) {
assertEquals((double) actualValue, (double) expectedValue, EPSILON);
} else if (testColumn.getObjectInspector().getTypeName().equals("date")) {
SqlDate expectedDate = new SqlDate(((Long) expectedValue).intValue());
assertEquals(actualValue, expectedDate);
} else if (testColumn.getObjectInspector().getTypeName().equals("timestamp")) {
SqlTimestamp expectedTimestamp =
new SqlTimestamp((Long) expectedValue, SESSION.getTimeZoneKey());
assertEquals(actualValue, expectedTimestamp);
} else if (testColumn.getObjectInspector().getCategory() == Category.PRIMITIVE) {
if (expectedValue instanceof Slice) {
expectedValue = ((Slice) expectedValue).toStringUtf8();
}
if (actualValue instanceof Slice) {
actualValue = ((Slice) actualValue).toStringUtf8();
}
if (actualValue instanceof SqlVarbinary) {
actualValue = new String(((SqlVarbinary) actualValue).getBytes(), UTF_8);
}
assertEquals(actualValue, expectedValue, String.format("Wrong value for column %d", i));
} else {
BlockBuilder builder = type.createBlockBuilder(new BlockBuilderStatus(), 1);
type.writeObject(builder, expectedValue);
expectedValue = type.getObjectValue(SESSION, builder.build(), 0);
assertEquals(
actualValue,
expectedValue,
String.format("Wrong value for column %s", testColumn.getName()));
}
}
}
} finally {
pageSource.close();
}
}
private Object selectSingleValue(Operator operator) {
Page output = getAtMostOnePage(operator, SOURCE_PAGE);
assertNotNull(output);
assertEquals(output.getPositionCount(), 1);
assertEquals(output.getChannelCount(), 1);
Type type = operator.getTypes().get(0);
Block block = output.getBlock(0);
assertEquals(block.getPositionCount(), 1);
return type.getObjectValue(session.toConnectorSession(), block, 0);
}
@NotNull
public static Object evaluatePropertyValue(
Expression expression, Type expectedType, Session session, Metadata metadata) {
Object value =
evaluateConstantExpression(expression, expectedType, metadata, session, ImmutableSet.of());
// convert to object value type of SQL type
BlockBuilder blockBuilder = expectedType.createBlockBuilder(new BlockBuilderStatus(), 1);
BlockUtils.appendObject(expectedType, blockBuilder, value);
Object objectValue = expectedType.getObjectValue(session.toConnectorSession(), blockBuilder, 0);
if (objectValue == null) {
throw new PrestoException(
INVALID_SESSION_PROPERTY, "Session property value must not be null");
}
return objectValue;
}
public static Object evaluatePropertyValue(
Expression expression,
Type expectedType,
Session session,
Metadata metadata,
List<Expression> parameters) {
Expression rewritten =
ExpressionTreeRewriter.rewriteWith(new ParameterRewriter(parameters), expression);
Object value =
evaluateConstantExpression(rewritten, expectedType, metadata, session, parameters);
// convert to object value type of SQL type
BlockBuilder blockBuilder = expectedType.createBlockBuilder(new BlockBuilderStatus(), 1);
writeNativeValue(expectedType, blockBuilder, value);
Object objectValue = expectedType.getObjectValue(session.toConnectorSession(), blockBuilder, 0);
if (objectValue == null) {
throw new PrestoException(
INVALID_SESSION_PROPERTY, "Session property value must not be null");
}
return objectValue;
}
private static Object toTypeObjectValue(Session session, Type type, Object value) {
BlockBuilder blockBuilder = type.createBlockBuilder(new BlockBuilderStatus(), 1);
writeNativeValue(type, blockBuilder, value);
return type.getObjectValue(session.toConnectorSession(), blockBuilder, 0);
}