Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorTableMetadata

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                .from(dao.getTableColumns(raptorTableHandle.getTableId()))
                .transform(TableColumn.columnMetadataGetter())
                .filter(not(isSampleWeightColumn()))
                .toList();
        checkArgument(!columns.isEmpty(), "Table %s does not have any columns", tableName);
        return new ConnectorTableMetadata(tableName, columns);
    }
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        ConnectorTableHandle tableHandle = metadata.createTable(SESSION, getOrdersTable());
        assertInstanceOf(tableHandle, RaptorTableHandle.class);
        assertEquals(((RaptorTableHandle) tableHandle).getTableId(), 1);

        ConnectorTableMetadata table = metadata.getTableMetadata(tableHandle);
        assertTableEqual(table, getOrdersTable());

        ConnectorColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, "orderkey");
        assertInstanceOf(columnHandle, RaptorColumnHandle.class);
        assertEquals(((RaptorColumnHandle) columnHandle).getColumnId(), 1);
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    @Override
    public ConnectorColumnHandle getColumnHandle(ConnectorTableHandle tableHandle, String columnName)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);
        ConnectorTableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        if (findColumnMetadata(tableMetadata, columnName) == null) {
            return null;
        }
        return new InformationSchemaColumnHandle(columnName);
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    @Override
    public ColumnMetadata getColumnMetadata(ConnectorTableHandle tableHandle, ConnectorColumnHandle columnHandle)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);
        ConnectorTableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        String columnName = checkType(columnHandle, InformationSchemaColumnHandle.class, "columnHandle").getColumnName();

        ColumnMetadata columnMetadata = findColumnMetadata(tableMetadata, columnName);
        checkArgument(columnMetadata != null, "Column %s on table %s does not exist", columnName, tableMetadata.getTable());
        return columnMetadata;
    }
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    @Override
    public Map<String, ConnectorColumnHandle> getColumnHandles(ConnectorTableHandle tableHandle)
    {
        InformationSchemaTableHandle informationSchemaTableHandle = checkTableHandle(tableHandle);

        ConnectorTableMetadata tableMetadata = TABLES.get(informationSchemaTableHandle.getSchemaTableName());

        return toInformationSchemaColumnHandles(tableMetadata);
    }
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                .from(dao.getTableColumns(raptorTableHandle.getTableId()))
                .transform(TableColumn.columnMetadataGetter())
                .filter(not(isSampleWeightColumn()))
                .toList();
        checkArgument(!columns.isEmpty(), "Table %s does not have any columns", tableName);
        return new ConnectorTableMetadata(tableName, columns);
    }
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        TableHandle tableHandle = metadata.createTable(getOrdersTable());
        assertInstanceOf(tableHandle, NativeTableHandle.class);
        assertEquals(((NativeTableHandle) tableHandle).getTableId(), 1);

        ConnectorTableMetadata table = metadata.getTableMetadata(tableHandle);
        assertTableEqual(table, getOrdersTable());

        ColumnHandle columnHandle = metadata.getColumnHandle(tableHandle, "orderkey");
        assertInstanceOf(columnHandle, NativeColumnHandle.class);
        assertEquals(((NativeColumnHandle) columnHandle).getColumnId(), 1);
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    private ConnectorTableMetadata getTableMetadata(SchemaTableName tableName)
    {
        try {
            Table table = metastore.getTable(tableName.getSchemaName(), tableName.getTableName());
            List<ColumnMetadata> columns = ImmutableList.copyOf(transform(getColumnHandles(table), columnMetadataGetter()));
            return new ConnectorTableMetadata(tableName, columns, table.getOwner());
        }
        catch (NoSuchObjectException e) {
            throw new TableNotFoundException(tableName);
        }
    }
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    @Test
    public void getTableMetadata()
    {
        // known table
        ConnectorTableMetadata tableMetadata = metadata.getTableMetadata(NUMBERS_TABLE_HANDLE);
        assertEquals(tableMetadata.getTable(), new SchemaTableName("example", "numbers"));
        assertEquals(tableMetadata.getColumns(), ImmutableList.of(
                new ColumnMetadata("text", VARCHAR, 0, false),
                new ColumnMetadata("value", BIGINT, 1, false)));

        // unknown tables should produce null
        assertNull(metadata.getTableMetadata(new ExampleTableHandle(CONNECTOR_ID, "unknown", "unknown")));
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    }

    @Test(expectedExceptions = UnsupportedOperationException.class)
    public void testCreateTable()
    {
        metadata.createTable(SESSION, new ConnectorTableMetadata(
                new SchemaTableName("example", "foo"),
                ImmutableList.of(new ColumnMetadata("text", VARCHAR, 0, false))));
    }
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Related Classes of com.facebook.presto.spi.ConnectorTableMetadata

  • com.facebook.presto.cassandra.CassandraMetadata
  • com.facebook.presto.cassandra.TestCassandraConnector
  • com.facebook.presto.connector.dual.DualMetadata
  • com.facebook.presto.connector.informationSchema.InformationSchemaMetadata
  • com.facebook.presto.connector.jmx.JmxTableHandle
  • com.facebook.presto.connector.system.SystemTablesMetadata
  • com.facebook.presto.example.ExampleMetadata
  • com.facebook.presto.example.TestExampleMetadata
  • com.facebook.presto.hive.AbstractTestHiveClient
  • com.facebook.presto.hive.AbstractTestHiveClientS3
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