Examples with INPROGRESS_PROPERTY_KEY io.prestosql.spi.heuristicindex.IndexRecord.INPROGRESS_PROPERTY_KEY used on opensource projects

Example 1 with INPROGRESS_PROPERTY_KEY

use of io.prestosql.spi.heuristicindex.IndexRecord.INPROGRESS_PROPERTY_KEY in project hetu-core by openlookeng.

the class StatementAnalyzer method validateCreateIndex.

private void validateCreateIndex(Table table, Optional<Scope> scope) {
    CreateIndex createIndex = (CreateIndex) analysis.getOriginalStatement();
    QualifiedObjectName tableFullName = createQualifiedObjectName(session, createIndex, createIndex.getTableName());
    accessControl.checkCanCreateIndex(session.getRequiredTransactionId(), session.getIdentity(), tableFullName);
    String tableName = tableFullName.toString();
    // check whether catalog support create index
    if (!metadata.isHeuristicIndexSupported(session, tableFullName)) {
        throw new SemanticException(NOT_SUPPORTED, createIndex, "CREATE INDEX is not supported in catalog '%s'", tableFullName.getCatalogName());
    }
    List<String> partitions = new ArrayList<>();
    String partitionColumn = null;
    if (createIndex.getExpression().isPresent()) {
        partitions = HeuristicIndexUtils.extractPartitions(createIndex.getExpression().get());
        // check partition name validate, create index …… where pt_d = xxx;
        // pt_d must be partition column
        Set<String> partitionColumns = partitions.stream().map(k -> k.substring(0, k.indexOf("="))).collect(Collectors.toSet());
        if (partitionColumns.size() > 1) {
            // currently only support one partition column
            throw new IllegalArgumentException("Heuristic index only supports predicates on one column");
        }
        // The only entry in set should be the only partition column name
        partitionColumn = partitionColumns.iterator().next();
    }
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableFullName);
    if (tableHandle.isPresent()) {
        if (!tableHandle.get().getConnectorHandle().isHeuristicIndexSupported()) {
            throw new SemanticException(NOT_SUPPORTED, table, "Catalog supported, but table storage format is not supported by heuristic index");
        }
        TableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle.get());
        List<String> availableColumns = tableMetadata.getColumns().stream().map(ColumnMetadata::getName).collect(Collectors.toList());
        for (Identifier column : createIndex.getColumnAliases()) {
            if (!availableColumns.contains(column.getValue().toLowerCase(Locale.ROOT))) {
                throw new SemanticException(MISSING_ATTRIBUTE, table, "Column '%s' cannot be resolved", column.getValue());
            }
        }
        if (partitionColumn != null && !tableHandle.get().getConnectorHandle().isPartitionColumn(partitionColumn)) {
            throw new SemanticException(NOT_SUPPORTED, table, "Heuristic index creation is only supported for predicates on partition columns");
        }
    } else {
        throw new SemanticException(MISSING_ATTRIBUTE, table, "Table '%s' is invalid", tableFullName);
    }
    List<Pair<String, Type>> indexColumns = new LinkedList<>();
    for (Identifier i : createIndex.getColumnAliases()) {
        indexColumns.add(new Pair<>(i.toString(), UNKNOWN));
    }
    // For now, creating index for multiple columns is not supported
    if (indexColumns.size() > 1) {
        throw new SemanticException(NOT_SUPPORTED, table, "Multi-column indexes are currently not supported");
    }
    try {
        // Use this place holder to check the existence of index and lock the place
        Properties properties = new Properties();
        properties.setProperty(INPROGRESS_PROPERTY_KEY, "TRUE");
        CreateIndexMetadata placeHolder = new CreateIndexMetadata(createIndex.getIndexName().toString(), tableName, createIndex.getIndexType(), 0L, indexColumns, partitions, properties, session.getUser(), UNDEFINED);
        synchronized (StatementAnalyzer.class) {
            IndexClient.RecordStatus recordStatus = heuristicIndexerManager.getIndexClient().lookUpIndexRecord(placeHolder);
            switch(recordStatus) {
                case SAME_NAME:
                    throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index '%s' already exists", createIndex.getIndexName().toString());
                case SAME_CONTENT:
                    throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index with same (table,column,indexType) already exists");
                case SAME_INDEX_PART_CONFLICT:
                    throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index with same (table,column,indexType) already exists and partition(s) contain conflicts");
                case IN_PROGRESS_SAME_NAME:
                    throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index '%s' is being created by another user. Check running queries for details. If there is no running query for this index, " + "the index may be in an unexpected error state and should be dropped using 'DROP INDEX %s'", createIndex.getIndexName().toString(), createIndex.getIndexName().toString());
                case IN_PROGRESS_SAME_CONTENT:
                    throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index with same (table,column,indexType) is being created by another user. Check running queries for details. " + "If there is no running query for this index, the index may be in an unexpected error state and should be dropped using 'DROP INDEX'");
                case IN_PROGRESS_SAME_INDEX_PART_CONFLICT:
                    if (partitions.isEmpty()) {
                        throw new SemanticException(INDEX_ALREADY_EXISTS, createIndex, "Index with same (table,column,indexType) is being created by another user. Check running queries for details. " + "If there is no running query for this index, the index may be in an unexpected error state and should be dropped using 'DROP INDEX %s'", createIndex.getIndexName().toString());
                    }
                // allow different queries to run with explicitly same partitions
                case SAME_INDEX_PART_CAN_MERGE:
                case IN_PROGRESS_SAME_INDEX_PART_CAN_MERGE:
                    break;
                case NOT_FOUND:
                    heuristicIndexerManager.getIndexClient().addIndexRecord(placeHolder);
            }
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}