Examples with ConnectorMetadata io.prestosql.spi.connector.ConnectorMetadata used on opensource projects

Example 26 with ConnectorMetadata

use of io.prestosql.spi.connector.ConnectorMetadata in project hetu-core by openlookeng.

the class MetadataManager method dropTable.

@Override
public void dropTable(Session session, TableHandle tableHandle) {
    CatalogName catalogName = tableHandle.getCatalogName();
    ConnectorMetadata metadata = getMetadataForWrite(session, catalogName);
    metadata.dropTable(session.toConnectorSession(catalogName), tableHandle.getConnectorHandle());
}

Example 27 with ConnectorMetadata

use of io.prestosql.spi.connector.ConnectorMetadata in project hetu-core by openlookeng.

the class MetadataManager method isExecutionPlanCacheSupported.

/**
 * Hetu can only cache execution plans for supported connectors.
 * This method checks if the property for supporting execution plan caching is enabled for a given connector.
 *
 * @param session Presto session
 * @param table table handle containing a ConnectorTableHandle
 */
@Override
public boolean isExecutionPlanCacheSupported(Session session, TableHandle table) {
    CatalogName catalogName = table.getCatalogName();
    ConnectorMetadata metadata = getMetadata(session, catalogName);
    return metadata.isExecutionPlanCacheSupported(session.toConnectorSession(), table.getConnectorHandle());
}

Example 28 with ConnectorMetadata

use of io.prestosql.spi.connector.ConnectorMetadata in project hetu-core by openlookeng.

the class MetadataManager method createTable.

@Override
public void createTable(Session session, String catalogName, ConnectorTableMetadata tableMetadata, boolean ignoreExisting) {
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    CatalogName catalog = catalogMetadata.getCatalogName();
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    metadata.createTable(session.toConnectorSession(catalog), tableMetadata, ignoreExisting);
}

Example 29 with ConnectorMetadata

use of io.prestosql.spi.connector.ConnectorMetadata in project hetu-core by openlookeng.

the class MetadataManager method beginInsert.

@Override
public InsertTableHandle beginInsert(Session session, TableHandle tableHandle, boolean isOverwrite) {
    CatalogName catalogName = tableHandle.getCatalogName();
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    ConnectorTransactionHandle transactionHandle = catalogMetadata.getTransactionHandleFor(catalogName);
    ConnectorInsertTableHandle handle;
    if (isOverwrite) {
        handle = metadata.beginInsert(session.toConnectorSession(catalogName), tableHandle.getConnectorHandle(), true);
    } else {
        handle = metadata.beginInsert(session.toConnectorSession(catalogName), tableHandle.getConnectorHandle());
    }
    return new InsertTableHandle(tableHandle.getCatalogName(), transactionHandle, handle);
}

Example 30 with ConnectorMetadata

use of io.prestosql.spi.connector.ConnectorMetadata in project hetu-core by openlookeng.

the class MetadataManager method getNewTableLayout.

@Override
public Optional<NewTableLayout> getNewTableLayout(Session session, String catalogName, ConnectorTableMetadata tableMetadata) {
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    CatalogName catalog = catalogMetadata.getCatalogName();
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    ConnectorTransactionHandle transactionHandle = catalogMetadata.getTransactionHandleFor(catalog);
    ConnectorSession connectorSession = session.toConnectorSession(catalog);
    return metadata.getNewTableLayout(connectorSession, tableMetadata).map(layout -> new NewTableLayout(catalog, transactionHandle, layout));
}