public final class MRQL extends Interpreter
coerce_method, false_name, false_value, global_env, identity_mapper, is_dataset, null_name, null_value, query_plan, query_type, tab_count, true_name, true_value
algebraic_operators, data_constructors, functions, global_datatype_env, global_functions, global_macros, global_type_env, global_vars, identity, impure_functions, monoids, plan_names, plans_with_distributed_lambdas, repeat_variables, st, type_env, type_names
Constructor and Description |
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MRQL() |
Modifier and Type | Method and Description |
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static void |
clean()
clean up the MRQL workspace
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static void |
evaluate(String command)
evaluate MRQL statments in a string
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static MRData |
query(String query)
evaluate an MRQL query in a string
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closure, evalE, evalE, evalF, evalM, evalMM, evalS, lookup_global_binding, new_global_binding, remove_global_binding, set_global_bindings, tabs, translate_expression, variable_lookup
compare_types, equal_types, expand, make_persistent_type, normalize_type, subtype, subtype, subtype, type_error, type_inference, type_inference2, unify, unify
alpha_equivalent, alpha_equivalent, collection_type, error, free_variables, global_reset, identity, is_collection, is_persistent_collection, is_pure, new_var, occurences, pattern_variables, persistent_collection, print_aggregates, reify, reify, reset, subst_list, subst_var, subst, template, top_level, transient_collection, translate_select, union
print_plan, print_query, print_type, print, reify
public static MRData query(String query)
query
- a string that contains an MRQL querypublic static void evaluate(String command)
command
- a string that contains MRQL commands separated by ;public static void clean()
Copyright © 2013 The Apache Software Foundation. All rights reserved.