Examples with INVOKER com.facebook.presto.sql.tree.CreateView.Security.INVOKER used on opensource projects

Example 1 with INVOKER

use of com.facebook.presto.sql.tree.CreateView.Security.INVOKER in project presto by prestodb.

the class CreateViewTask method execute.

@Override
public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters, WarningCollector warningCollector) {
    QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName());
    accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), session.getAccessControlContext(), name);
    String sql = getFormattedSql(statement.getQuery(), sqlParser, Optional.of(parameters));
    Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters, warningCollector);
    List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType())).collect(toImmutableList());
    List<ColumnMetadata> columnMetadata = columns.stream().map(column -> new ColumnMetadata(column.getName(), column.getType())).collect(toImmutableList());
    ConnectorTableMetadata viewMetadata = new ConnectorTableMetadata(toSchemaTableName(name), columnMetadata);
    // use DEFINER security by default
    Optional<String> owner = Optional.of(session.getUser());
    if (statement.getSecurity().orElse(null) == INVOKER) {
        owner = Optional.empty();
    }
    String data = codec.toJson(new ViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, owner, !owner.isPresent()));
    metadata.createView(session, name.getCatalogName(), viewMetadata, data, statement.isReplace());
    return immediateFuture(null);
}