Examples with DESCRIBE com.facebook.presto.verifier.framework.QueryStage.DESCRIBE used on opensource projects

Example 1 with DESCRIBE

use of com.facebook.presto.verifier.framework.QueryStage.DESCRIBE in project presto by prestodb.

the class TooManyOpenPartitionsFailureResolver method resolveQueryFailure.

@Override
public Optional<String> resolveQueryFailure(QueryStats controlQueryStats, QueryException queryException, Optional<QueryObjectBundle> test) {
    if (!test.isPresent()) {
        return Optional.empty();
    }
    return mapMatchingPrestoException(queryException, TEST_MAIN, ImmutableSet.of(HIVE_TOO_MANY_OPEN_PARTITIONS), e -> {
        try {
            ShowCreate showCreate = new ShowCreate(TABLE, test.get().getObjectName());
            String showCreateResult = getOnlyElement(prestoAction.execute(showCreate, DESCRIBE, resultSet -> Optional.of(resultSet.getString(1))).getResults());
            CreateTable createTable = (CreateTable) sqlParser.createStatement(showCreateResult, ParsingOptions.builder().setDecimalLiteralTreatment(AS_DOUBLE).build());
            List<Property> bucketCountProperty = createTable.getProperties().stream().filter(property -> property.getName().getValue().equals(BUCKET_COUNT_PROPERTY)).collect(toImmutableList());
            if (bucketCountProperty.size() != 1) {
                return Optional.empty();
            }
            long bucketCount = ((LongLiteral) getOnlyElement(bucketCountProperty).getValue()).getValue();
            int testClusterSize = this.testClusterSizeSupplier.get();
            if (testClusterSize * maxBucketPerWriter < bucketCount) {
                return Optional.of("Not enough workers on test cluster");
            }
            return Optional.empty();
        } catch (Throwable t) {
            log.warn(t, "Exception when resolving HIVE_TOO_MANY_OPEN_PARTITIONS");
            return Optional.empty();
        }
    });
}