Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ConnectorMetadata

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        addConnector(null, connectorId, connector);
    }

    private void addConnector(@Nullable String catalogName, String connectorId, Connector connector)
    {
        ConnectorMetadata connectorMetadata = connector.getMetadata();
        checkState(connectorMetadata != null, "Connector %s can not provide metadata", connectorId);

        ConnectorSplitManager connectorSplitManager = connector.getSplitManager();
        checkState(connectorSplitManager != null, "Connector %s does not have a split manager", connectorId);
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        addConnector(null, connectorId, connector);
    }

    private void addConnector(@Nullable String catalogName, String connectorId, Connector connector)
    {
        ConnectorMetadata connectorMetadata = connector.getService(ConnectorMetadata.class);
        checkState(connectorMetadata != null, "Connector %s can not provide metadata", connectorId);

        ConnectorSplitManager connectorSplitManager = connector.getService(ConnectorSplitManager.class);
        checkState(connectorSplitManager != null, "Connector %s does not have a split manager", connectorId);
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        checkNotNull(prefix, "prefix is null");
        SchemaTablePrefix tablePrefix = prefix.asSchemaTablePrefix();

        Map<QualifiedTableName, List<ColumnMetadata>> tableColumns = new HashMap<>();
        for (ConnectorMetadataEntry connectorMetadata : allConnectorsFor(prefix.getCatalogName())) {
            ConnectorMetadata metadata = connectorMetadata.getMetadata();

            for (Entry<SchemaTableName, List<ColumnMetadata>> entry : metadata.listTableColumns(session, tablePrefix).entrySet()) {
                QualifiedTableName tableName = new QualifiedTableName(
                        prefix.getCatalogName(),
                        entry.getKey().getSchemaName(),
                        entry.getKey().getTableName());
                tableColumns.put(tableName, entry.getValue());
            }

            // if table and view names overlap, the view wins
            for (Entry<SchemaTableName, String> entry : metadata.getViews(session, tablePrefix).entrySet()) {
                QualifiedTableName tableName = new QualifiedTableName(
                        prefix.getCatalogName(),
                        entry.getKey().getSchemaName(),
                        entry.getKey().getTableName());
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    private ConnectorMetadata lookupConnectorFor(TableHandle tableHandle)
    {
        checkNotNull(tableHandle, "tableHandle is null");

        ConnectorMetadata result = connectorsById.get(tableHandle.getConnectorId());
        checkArgument(result != null, "No connector for table handle: %s", tableHandle.getConnectorId());

        return result;
    }
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        return result;
    }

    private ConnectorMetadata lookupConnectorFor(OutputTableHandle tableHandle)
    {
        ConnectorMetadata metadata = connectorsById.get(tableHandle.getConnectorId());
        checkArgument(metadata != null, "No connector for output table handle: %s", tableHandle.getConnectorId());
        return metadata;
    }
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    private ConnectorMetadata lookupConnectorFor(TableHandle tableHandle)
    {
        checkNotNull(tableHandle, "tableHandle is null");

        ConnectorMetadata result = connectorsById.get(tableHandle.getConnectorId());
        checkArgument(result != null, "No connector for table handle: %s", tableHandle.getConnectorId());

        return result;
    }
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        return result;
    }

    private ConnectorMetadata lookupConnectorFor(OutputTableHandle tableHandle)
    {
        ConnectorMetadata metadata = connectorsById.get(tableHandle.getConnectorId());
        checkArgument(metadata != null, "No connector for output table handle: %s", tableHandle.getConnectorId());
        return metadata;
    }
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    {
        checkNotNull(table, "table is null");

        ConnectorMetadataEntry entry = getConnectorFor(table);
        if (entry != null) {
            ConnectorMetadata metadata = entry.getMetadata();

            ConnectorTableHandle tableHandle = metadata.getTableHandle(session.toConnectorSession(), table.asSchemaTableName());

            if (tableHandle != null) {
                return Optional.of(new TableHandle(entry.getConnectorId(), tableHandle));
            }
        }
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        checkNotNull(prefix, "prefix is null");
        SchemaTablePrefix tablePrefix = prefix.asSchemaTablePrefix();

        Map<QualifiedTableName, List<ColumnMetadata>> tableColumns = new HashMap<>();
        for (ConnectorMetadataEntry connectorMetadata : allConnectorsFor(prefix.getCatalogName())) {
            ConnectorMetadata metadata = connectorMetadata.getMetadata();

            ConnectorSession connectorSession = session.toConnectorSession();
            for (Entry<SchemaTableName, List<ColumnMetadata>> entry : metadata.listTableColumns(connectorSession, tablePrefix).entrySet()) {
                QualifiedTableName tableName = new QualifiedTableName(
                        prefix.getCatalogName(),
                        entry.getKey().getSchemaName(),
                        entry.getKey().getTableName());
                tableColumns.put(tableName, entry.getValue());
            }

            // if table and view names overlap, the view wins
            for (Entry<SchemaTableName, String> entry : metadata.getViews(connectorSession, tablePrefix).entrySet()) {
                QualifiedTableName tableName = new QualifiedTableName(
                        prefix.getCatalogName(),
                        entry.getKey().getSchemaName(),
                        entry.getKey().getTableName());
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        return getConnectorMetadata(tableHandle.getConnectorId());
    }

    private ConnectorMetadata getConnectorMetadata(String connectorId)
    {
        ConnectorMetadata result = connectorsById.get(connectorId);
        checkArgument(result != null, "No connector for connector ID: %s", connectorId);
        return result;
    }
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Related Classes of com.facebook.presto.spi.ConnectorMetadata

  • com.facebook.presto.benchmark.AbstractOperatorBenchmark
  • com.facebook.presto.connector.ConnectorManager
  • com.facebook.presto.metadata.MetadataManager
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