org.apache.calcite.tools

Class Programs

java.lang.Object

org.apache.calcite.tools.Programs

public class Programs
extends Object

Utilities for creating Programs.

Field Summary

Fields

Modifier and Type	Field and Description
static Program	CALC_PROGRAM Program that converts filters and projects to calcs.
static com.google.common.collect.ImmutableList<RelOptRule>	CALC_RULES
static com.google.common.collect.ImmutableSet<RelOptRule>	RULE_SET

Method Summary

Methods

Modifier and Type	Method and Description
static Program	getProgram()
static Program	hep(com.google.common.collect.ImmutableList<RelOptRule> rules, boolean noDag, RelMetadataProvider metadataProvider) Creates a program that executes a list of rules in a HEP planner.
static Program	heuristicJoinOrder(Collection<RelOptRule> rules, boolean bushy, int minJoinCount) Creates a program that invokes heuristic join-order optimization (via JoinToMultiJoinRule, MultiJoin and LoptOptimizeJoinRule) if there are 6 or more joins (7 or more relations).
static List<Program>	listOf(List<RuleSet> ruleSets) Creates a list of programs based on a list of rule sets.
static List<Program>	listOf(RuleSet... ruleSets) Creates a list of programs based on an array of rule sets.
static Program	of(HepProgram hepProgram, boolean noDag, RelMetadataProvider metadataProvider) Creates a program that executes a HepProgram.
static Program	of(RuleSet ruleSet) Creates a program that executes a rule set.
static Program	ofRules(Collection<RelOptRule> rules) Creates a program from a list of rules.
static Program	ofRules(RelOptRule... rules) Creates a program from a list of rules.
static Program	sequence(Program... programs) Creates a program that executes a sequence of programs.
static Program	standard() Returns the standard program used by Prepare.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CALC_RULES

public static final com.google.common.collect.ImmutableList<RelOptRule> CALC_RULES

CALC_PROGRAM

public static final Program CALC_PROGRAM

Program that converts filters and projects to calcs.

RULE_SET

public static final com.google.common.collect.ImmutableSet<RelOptRule> RULE_SET

Method Detail

of

public static Program of(RuleSet ruleSet)

Creates a program that executes a rule set.

listOf

public static List<Program> listOf(RuleSet... ruleSets)

Creates a list of programs based on an array of rule sets.

listOf

public static List<Program> listOf(List<RuleSet> ruleSets)

Creates a list of programs based on a list of rule sets.

ofRules

public static Program ofRules(RelOptRule... rules)

Creates a program from a list of rules.

ofRules

public static Program ofRules(Collection<RelOptRule> rules)

Creates a program from a list of rules.

sequence

public static Program sequence(Program... programs)

Creates a program that executes a sequence of programs.

hep

public static Program hep(com.google.common.collect.ImmutableList<RelOptRule> rules,
          boolean noDag,
          RelMetadataProvider metadataProvider)

Creates a program that executes a list of rules in a HEP planner.

of

public static Program of(HepProgram hepProgram,
         boolean noDag,
         RelMetadataProvider metadataProvider)

Creates a program that executes a HepProgram.

heuristicJoinOrder

public static Program heuristicJoinOrder(Collection<RelOptRule> rules,
                         boolean bushy,
                         int minJoinCount)

Creates a program that invokes heuristic join-order optimization (via JoinToMultiJoinRule, MultiJoin and LoptOptimizeJoinRule) if there are 6 or more joins (7 or more relations).

getProgram

public static Program getProgram()

standard

public static Program standard()

Returns the standard program used by Prepare.