Examples with UserDefinedType com.facebook.presto.common.type.UserDefinedType used on opensource projects

Example 1 with UserDefinedType

use of com.facebook.presto.common.type.UserDefinedType in project presto by prestodb.

the class FunctionAndTypeManager method getUserDefinedType.

private Type getUserDefinedType(TypeSignature signature) {
    Optional<FunctionNamespaceManager<?>> functionNamespaceManager = getServingFunctionNamespaceManager(signature.getTypeSignatureBase());
    checkArgument(functionNamespaceManager.isPresent(), "Cannot find function namespace for type '%s'", signature.getBase());
    UserDefinedType userDefinedType = functionNamespaceManager.get().getUserDefinedType(signature.getTypeSignatureBase().getTypeName()).orElseThrow(() -> new IllegalArgumentException("Unknown type " + signature));
    checkArgument(userDefinedType.getPhysicalTypeSignature().getTypeSignatureBase().hasStandardType(), "A UserDefinedType must be based on static types.");
    return getType(userDefinedType);
}

Example 2 with UserDefinedType

use of com.facebook.presto.common.type.UserDefinedType in project presto by prestodb.

the class CreateTypeTask method execute.

@Override
public ListenableFuture<?> execute(CreateType statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters, WarningCollector warningCollector) {
    TypeSignature signature;
    if (statement.getDistinctType().isPresent()) {
        signature = new TypeSignature(statement.getDistinctType().get());
    } else {
        List<TypeSignatureParameter> typeParameters = Streams.zip(statement.getParameterNames().stream(), statement.getParameterTypes().stream(), (name, type) -> TypeSignatureParameter.of(new NamedTypeSignature(Optional.of(new RowFieldName(name, false)), parseTypeSignature(type)))).collect(toImmutableList());
        signature = new TypeSignature(ROW, typeParameters);
    }
    UserDefinedType userDefinedType = new UserDefinedType(QualifiedObjectName.valueOf(statement.getTypeName().toString()), signature);
    metadata.getFunctionAndTypeManager().addUserDefinedType(userDefinedType);
    return immediateFuture(null);
}

Example 3 with UserDefinedType

use of com.facebook.presto.common.type.UserDefinedType in project presto by prestodb.

the class UserDefinedTypeRowMapper method map.

@Override
public UserDefinedType map(ResultSet rs, StatementContext ctx) throws SQLException {
    QualifiedObjectName typeName = QualifiedObjectName.valueOf(rs.getString("catalog_name"), rs.getString("schema_name"), rs.getString("type_name"));
    String physicalType = rs.getString("physical_type");
    TypeSignature typeSignature = parseTypeSignature(physicalType);
    return new UserDefinedType(typeName, typeSignature);
}