Package 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	Description
static final Program	CALC_PROGRAM	Program that converts filters and projects to Calcs.
static final com.google.common.collect.ImmutableList<RelOptRule>	CALC_RULES	Deprecated.
static final com.google.common.collect.ImmutableSet<RelOptRule>	RULE_SET
static final Program	SUB_QUERY_PROGRAM	Program that expands sub-queries.

Method Summary

Modifier and Type	Method	Description
static Program	calc(RelMetadataProvider metadataProvider)
static Program	conditional(Predicate<RelNode> predicate, Program program)	Creates a program that executes if a predicate is true.
static Program	decorrelate()
static Program	getProgram()	Deprecated.
static Program	hep(Iterable<? extends RelOptRule> rules, boolean noDag, RelMetadataProvider metadataProvider)	Creates a program that executes a list of rules in a HEP planner.
static Program	heuristicJoinOrder(Iterable<? extends 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	measure(RelMetadataProvider metadataProvider)
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(Iterable<? extends 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.
static Program	standard(RelMetadataProvider metadataProvider)	Returns the standard program with user metadata provider.
static Program	standard(RelMetadataProvider metadataProvider, boolean enableFieldTrimming)	Returns the standard program with user metadata provider and enableFieldTrimming config.
static Program	subquery(RelMetadataProvider metadataProvider)	Deprecated.
static Program	subQuery(RelMetadataProvider metadataProvider)
static Program	trim()

Methods inherited from class java.lang.Object

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

Field Details

CALC_RULES

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

Deprecated.

CALC_PROGRAM

public static final Program CALC_PROGRAM

Program that converts filters and projects to Calcs.

SUB_QUERY_PROGRAM

public static final Program SUB_QUERY_PROGRAM

Program that expands sub-queries.

RULE_SET

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

Method Details

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(Iterable<? extends 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.

conditional

public static Program conditional(Predicate<RelNode> predicate,
 Program program)

Creates a program that executes if a predicate is true.

hep

public static Program hep(Iterable<? extends 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(Iterable<? extends 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).

decorrelate

public static Program decorrelate()

trim

public static Program trim()

calc

public static Program calc(RelMetadataProvider metadataProvider)

subquery

@Deprecated
public static Program subquery(RelMetadataProvider metadataProvider)

Deprecated.

subQuery

public static Program subQuery(RelMetadataProvider metadataProvider)

measure

public static Program measure(RelMetadataProvider metadataProvider)

getProgram

@Deprecated
public static Program getProgram()

Deprecated.

standard

public static Program standard()

Returns the standard program used by Prepare.

standard

public static Program standard(RelMetadataProvider metadataProvider)

Returns the standard program with user metadata provider.

standard

public static Program standard(RelMetadataProvider metadataProvider,
 boolean enableFieldTrimming)

Returns the standard program with user metadata provider and enableFieldTrimming config.