Examples with ConnectorMetadata com.facebook.presto.spi.connector.ConnectorMetadata used on opensource projects

Example 6 with ConnectorMetadata

use of com.facebook.presto.spi.connector.ConnectorMetadata in project presto by prestodb.

the class MetadataManager method listViews.

@Override
public List<QualifiedObjectName> listViews(Session session, QualifiedTablePrefix prefix) {
    requireNonNull(prefix, "prefix is null");
    Optional<CatalogMetadata> catalog = getOptionalCatalogMetadata(session, prefix.getCatalogName());
    Set<QualifiedObjectName> views = new LinkedHashSet<>();
    if (catalog.isPresent()) {
        CatalogMetadata catalogMetadata = catalog.get();
        String schemaNameOrNull = prefix.getSchemaName().orElse(null);
        for (ConnectorId connectorId : catalogMetadata.listConnectorIds()) {
            ConnectorMetadata metadata = catalogMetadata.getMetadataFor(connectorId);
            ConnectorSession connectorSession = session.toConnectorSession(connectorId);
            metadata.listViews(connectorSession, schemaNameOrNull).stream().map(convertFromSchemaTableName(prefix.getCatalogName())::apply).forEach(views::add);
        }
    }
    return ImmutableList.copyOf(views);
}

Example 7 with ConnectorMetadata

use of com.facebook.presto.spi.connector.ConnectorMetadata in project presto by prestodb.

the class MetadataManager method getLayouts.

@Override
public List<TableLayoutResult> getLayouts(Session session, TableHandle table, Constraint<ColumnHandle> constraint, Optional<Set<ColumnHandle>> desiredColumns) {
    if (constraint.getSummary().isNone()) {
        return ImmutableList.of();
    }
    ConnectorId connectorId = table.getConnectorId();
    ConnectorTableHandle connectorTable = table.getConnectorHandle();
    CatalogMetadata catalogMetadata = getCatalogMetadata(session, connectorId);
    ConnectorMetadata metadata = catalogMetadata.getMetadataFor(connectorId);
    ConnectorTransactionHandle transaction = catalogMetadata.getTransactionHandleFor(connectorId);
    ConnectorSession connectorSession = session.toConnectorSession(connectorId);
    List<ConnectorTableLayoutResult> layouts = metadata.getTableLayouts(connectorSession, connectorTable, constraint, desiredColumns);
    return layouts.stream().map(layout -> new TableLayoutResult(fromConnectorLayout(connectorId, transaction, layout.getTableLayout()), layout.getUnenforcedConstraint())).collect(toImmutableList());
}

Example 8 with ConnectorMetadata

use of com.facebook.presto.spi.connector.ConnectorMetadata in project presto by prestodb.

the class MetadataManager method renameTable.

@Override
public void renameTable(Session session, TableHandle tableHandle, QualifiedObjectName newTableName) {
    String catalogName = newTableName.getCatalogName();
    CatalogMetadata catalogMetadata = getCatalogMetadataForWrite(session, catalogName);
    ConnectorId connectorId = catalogMetadata.getConnectorId();
    if (!tableHandle.getConnectorId().equals(connectorId)) {
        throw new PrestoException(SYNTAX_ERROR, "Cannot rename tables across catalogs");
    }
    ConnectorMetadata metadata = catalogMetadata.getMetadata();
    metadata.renameTable(session.toConnectorSession(connectorId), tableHandle.getConnectorHandle(), newTableName.asSchemaTableName());
}

Example 9 with ConnectorMetadata

use of com.facebook.presto.spi.connector.ConnectorMetadata in project presto by prestodb.

the class MetadataManager method getNewTableLayout.

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

Example 10 with ConnectorMetadata

use of com.facebook.presto.spi.connector.ConnectorMetadata in project presto by prestodb.

the class MetadataManager method listSchemaNames.

@Override
public List<String> listSchemaNames(Session session, String catalogName) {
    Optional<CatalogMetadata> catalog = getOptionalCatalogMetadata(session, catalogName);
    ImmutableSet.Builder<String> schemaNames = ImmutableSet.builder();
    if (catalog.isPresent()) {
        CatalogMetadata catalogMetadata = catalog.get();
        ConnectorSession connectorSession = session.toConnectorSession(catalogMetadata.getConnectorId());
        for (ConnectorId connectorId : catalogMetadata.listConnectorIds()) {
            ConnectorMetadata metadata = catalogMetadata.getMetadataFor(connectorId);
            schemaNames.addAll(metadata.listSchemaNames(connectorSession));
        }
    }
    return ImmutableList.copyOf(schemaNames.build());
}