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

Example 16 with ConnectorMetadata

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

the class MetadataManager method applySample.

@Override
public Optional<TableHandle> applySample(Session session, TableHandle table, SampleType sampleType, double sampleRatio) {
    CatalogName catalogName = table.getCatalogName();
    ConnectorMetadata metadata = getMetadata(session, catalogName);
    if (metadata.usesLegacyTableLayouts()) {
        return Optional.empty();
    }
    ConnectorSession connectorSession = session.toConnectorSession(catalogName);
    return metadata.applySample(connectorSession, table.getConnectorHandle(), sampleType, sampleRatio).map(result -> new TableHandle(catalogName, result, table.getTransaction(), Optional.empty()));
}

Example 17 with ConnectorMetadata

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

the class MetadataManager method renameSchema.

@Override
public void renameSchema(Session session, CatalogSchemaName source, String target) {
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, source.getCatalogName());
    CatalogName catalogName = catalogMetadata.getCatalogName();
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    metadata.renameSchema(session.toConnectorSession(catalogName), source.getSchemaName(), target);
}

Example 18 with ConnectorMetadata

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

the class MetadataManager method createView.

@Override
public void createView(Session session, QualifiedObjectName viewName, ConnectorViewDefinition definition, boolean replace) {
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, viewName.getCatalogName());
    CatalogName catalogName = catalogMetadata.getCatalogName();
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    metadata.createView(session.toConnectorSession(catalogName), toSchemaTableName(viewName), definition, replace);
}

Example 19 with ConnectorMetadata

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

the class MetadataManager method getStatisticsCollectionMetadata.

@Override
public TableStatisticsMetadata getStatisticsCollectionMetadata(Session session, String catalogName, ConnectorTableMetadata tableMetadata) {
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    CatalogName catalog = catalogMetadata.getCatalogName();
    return metadata.getStatisticsCollectionMetadata(session.toConnectorSession(catalog), tableMetadata);
}

Example 20 with ConnectorMetadata

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

the class MetadataManager method beginStatisticsCollection.

@Override
public AnalyzeTableHandle beginStatisticsCollection(Session session, TableHandle tableHandle) {
    CatalogName catalogName = tableHandle.getCatalogName();
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    ConnectorTransactionHandle transactionHandle = catalogMetadata.getTransactionHandleFor(catalogName);
    ConnectorTableHandle connectorTableHandle = metadata.beginStatisticsCollection(session.toConnectorSession(catalogName), tableHandle.getConnectorHandle());
    return new AnalyzeTableHandle(catalogName, transactionHandle, connectorTableHandle);
}