Examples with Deallocate io.prestosql.sql.tree.Deallocate used on opensource projects

Example 1 with Deallocate

use of io.prestosql.sql.tree.Deallocate in project hetu-core by openlookeng.

the class PrepareTask method execute.

@Override
public ListenableFuture<?> execute(Prepare prepare, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
    Statement statement = prepare.getStatement();
    if ((statement instanceof Prepare) || (statement instanceof Execute) || (statement instanceof Deallocate)) {
        String type = statement.getClass().getSimpleName().toUpperCase(ENGLISH);
        throw new PrestoException(NOT_SUPPORTED, "Invalid statement type for prepared statement: " + type);
    }
    String sql = getFormattedSql(statement, sqlParser, Optional.empty());
    stateMachine.addPreparedStatement(prepare.getName().getValue(), sql);
    return immediateFuture(null);
}

Example 2 with Deallocate

use of io.prestosql.sql.tree.Deallocate in project hetu-core by openlookeng.

the class TestDeallocateTask method executeDeallocate.

private Set<String> executeDeallocate(String statementName, String sqlString, Session session) {
    TransactionManager transactionManager = createTestTransactionManager();
    AccessControl accessControl = new AccessControlManager(transactionManager);
    QueryStateMachine stateMachine = QueryStateMachine.begin(sqlString, Optional.empty(), session, URI.create("fake://uri"), new ResourceGroupId("test"), new NoOpResourceGroupManager(), false, transactionManager, accessControl, executor, metadata, WarningCollector.NOOP);
    Deallocate deallocate = new Deallocate(new Identifier(statementName));
    new DeallocateTask().execute(deallocate, transactionManager, metadata, new AllowAllAccessControl(), stateMachine, emptyList(), new HeuristicIndexerManager(new FileSystemClientManager(), new HetuMetaStoreManager()));
    return stateMachine.getDeallocatedPreparedStatements();
}