Examples with MapParametricType com.facebook.presto.type.MapParametricType used on opensource projects

Example 1 with MapParametricType

use of com.facebook.presto.type.MapParametricType in project presto by prestodb.

the class BuiltInTypeAndFunctionNamespaceManager method instantiateParametricType.

private Type instantiateParametricType(TypeSignature signature) {
    List<TypeParameter> parameters = new ArrayList<>();
    for (TypeSignatureParameter parameter : signature.getParameters()) {
        TypeParameter typeParameter = TypeParameter.of(parameter, functionAndTypeManager);
        parameters.add(typeParameter);
    }
    ParametricType parametricType = parametricTypes.get(signature.getBase().toLowerCase(Locale.ENGLISH));
    if (parametricType == null) {
        throw new IllegalArgumentException("Unknown type " + signature);
    }
    if (parametricType instanceof MapParametricType) {
        return ((MapParametricType) parametricType).createType(functionAndTypeManager, parameters);
    }
    Type instantiatedType = parametricType.createType(parameters);
    // checkState(instantiatedType.equalsSignature(signature), "Instantiated parametric type name (%s) does not match expected name (%s)", instantiatedType, signature);
    return instantiatedType;
}