Examples with HiveBasicStatistics com.facebook.presto.hive.HiveBasicStatistics used on opensource projects

Example 16 with HiveBasicStatistics

use of com.facebook.presto.hive.HiveBasicStatistics in project presto by prestodb.

the class AlluxioHiveMetastore method getTableStatistics.

@Override
public PartitionStatistics getTableStatistics(MetastoreContext metastoreContext, String databaseName, String tableName) {
    try {
        Table table = getTable(metastoreContext, databaseName, tableName).orElseThrow(() -> new PrestoException(HIVE_METASTORE_ERROR, String.format("Could not retrieve table %s.%s", databaseName, tableName)));
        HiveBasicStatistics basicStatistics = getHiveBasicStatistics(table.getParameters());
        List<Column> columns = table.getPartitionColumns();
        List<String> columnNames = columns.stream().map(Column::getName).collect(toImmutableList());
        List<ColumnStatisticsInfo> columnStatistics = client.getTableColumnStatistics(table.getDatabaseName(), table.getTableName(), columnNames);
        return new PartitionStatistics(basicStatistics, groupStatisticsByColumn(metastoreContext, columnStatistics, basicStatistics.getRowCount()));
    } catch (Exception e) {
        throw new PrestoException(HIVE_METASTORE_ERROR, e);
    }
}

Example 17 with HiveBasicStatistics

use of com.facebook.presto.hive.HiveBasicStatistics in project presto by prestodb.

the class FileHiveMetastore method getTableStatistics.

@Override
public synchronized PartitionStatistics getTableStatistics(MetastoreContext metastoreContext, String databaseName, String tableName) {
    Path tableMetadataDirectory = getTableMetadataDirectory(databaseName, tableName);
    TableMetadata tableMetadata = readSchemaFile("table", tableMetadataDirectory, tableCodec).orElseThrow(() -> new TableNotFoundException(new SchemaTableName(databaseName, tableName)));
    HiveBasicStatistics basicStatistics = getHiveBasicStatistics(tableMetadata.getParameters());
    Map<String, HiveColumnStatistics> columnStatistics = tableMetadata.getColumnStatistics();
    return new PartitionStatistics(basicStatistics, columnStatistics);
}