Examples with SystemTablesProvider io.prestosql.connector.system.SystemTablesProvider used on opensource projects

Example 1 with SystemTablesProvider

use of io.prestosql.connector.system.SystemTablesProvider in project hetu-core by openlookeng.

the class ConnectorManager method addCatalogConnector.

public synchronized void addCatalogConnector(CatalogName catalogName, Connector catalogConnector) {
    MaterializedConnector connector = new MaterializedConnector(catalogName, catalogConnector);
    MaterializedConnector informationSchemaConnector = new MaterializedConnector(createInformationSchemaCatalogName(catalogName), new InformationSchemaConnector(catalogName.getCatalogName(), nodeManager, metadataManager, accessControlManager));
    CatalogName systemId = createSystemTablesCatalogName(catalogName);
    SystemTablesProvider systemTablesProvider;
    if (nodeManager.getCurrentNode().isCoordinator()) {
        systemTablesProvider = new DelegatingSystemTablesProvider(new StaticSystemTablesProvider(connector.getSystemTables()), new MetadataBasedSystemTablesProvider(metadataManager, catalogName.getCatalogName()));
    } else {
        systemTablesProvider = new StaticSystemTablesProvider(connector.getSystemTables());
    }
    MaterializedConnector systemConnector = new MaterializedConnector(systemId, new SystemConnector(nodeManager, systemTablesProvider, transactionId -> transactionManager.getConnectorTransaction(transactionId, catalogName)));
    Catalog catalog = new Catalog(catalogName.getCatalogName(), connector.getCatalogName(), connector.getConnector(), informationSchemaConnector.getCatalogName(), informationSchemaConnector.getConnector(), systemConnector.getCatalogName(), systemConnector.getConnector());
    try {
        addConnectorInternal(connector);
        addConnectorInternal(informationSchemaConnector);
        addConnectorInternal(systemConnector);
        catalogManager.registerCatalog(catalog);
    } catch (Throwable e) {
        catalogManager.removeCatalog(catalog.getCatalogName());
        removeConnectorInternal(systemConnector.getCatalogName());
        removeConnectorInternal(informationSchemaConnector.getCatalogName());
        removeConnectorInternal(connector.getCatalogName());
        throw e;
    }
}