org.apache.calcite.adapter.splunk

Class SplunkPushDownRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelRule<SplunkPushDownRule.Config>

org.apache.calcite.adapter.splunk.SplunkPushDownRule

@Value.Enclosing
public class SplunkPushDownRule
extends org.apache.calcite.plan.RelRule<SplunkPushDownRule.Config>

Planner rule to push filters and projections to Splunk.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SplunkPushDownRule.Config Rule configuration.

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelRule

org.apache.calcite.plan.RelRule.Done, org.apache.calcite.plan.RelRule.MatchHandler<R extends org.apache.calcite.plan.RelOptRule>, org.apache.calcite.plan.RelRule.OperandBuilder, org.apache.calcite.plan.RelRule.OperandDetailBuilder<R extends org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelRule.OperandTransform

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields

Modifier and Type	Field and Description
static SplunkPushDownRule	FILTER
static SplunkPushDownRule	FILTER_ON_PROJECT
static SplunkPushDownRule	PROJECT
static SplunkPushDownRule	PROJECT_ON_FILTER

Fields inherited from class org.apache.calcite.plan.RelRule

config

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SplunkPushDownRule(org.apache.calcite.plan.RelOptRuleOperand operand, org.apache.calcite.tools.RelBuilderFactory relBuilderFactory, String id) Deprecated.
protected	SplunkPushDownRule(org.apache.calcite.plan.RelOptRuleOperand operand, String id) Deprecated.
protected	SplunkPushDownRule(SplunkPushDownRule.Config config) Creates a SplunkPushDownRule.

Method Summary

Modifier and Type	Method and Description
protected org.apache.calcite.rel.RelNode	appendSearchString(String toAppend, SplunkTableScan splunkRel, org.apache.calcite.rel.logical.LogicalProject topProj, org.apache.calcite.rel.logical.LogicalProject bottomProj, org.apache.calcite.rel.type.RelDataType topRow, org.apache.calcite.rel.type.RelDataType bottomRow) Appends a search string.
static String	getFieldsString(org.apache.calcite.rel.type.RelDataType row)
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)
static String	searchEscape(String str)
protected void	transformToFarragoUdxRel(org.apache.calcite.plan.RelOptRuleCall call, SplunkTableScan splunkRel, org.apache.calcite.rel.logical.LogicalFilter filter, org.apache.calcite.rel.logical.LogicalProject topProj, org.apache.calcite.rel.logical.LogicalProject bottomProj)

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PROJECT_ON_FILTER

public static final SplunkPushDownRule PROJECT_ON_FILTER

FILTER_ON_PROJECT

public static final SplunkPushDownRule FILTER_ON_PROJECT

FILTER

public static final SplunkPushDownRule FILTER

PROJECT

public static final SplunkPushDownRule PROJECT

Constructor Detail

SplunkPushDownRule

protected SplunkPushDownRule(SplunkPushDownRule.Config config)

Creates a SplunkPushDownRule.

SplunkPushDownRule

@Deprecated
protected SplunkPushDownRule(org.apache.calcite.plan.RelOptRuleOperand operand,
                                         String id)

Deprecated.

SplunkPushDownRule

@Deprecated
protected SplunkPushDownRule(org.apache.calcite.plan.RelOptRuleOperand operand,
                                         org.apache.calcite.tools.RelBuilderFactory relBuilderFactory,
                                         String id)

Deprecated.

Method Detail

onMatch

public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Specified by:

onMatch in class org.apache.calcite.plan.RelOptRule

appendSearchString

protected org.apache.calcite.rel.RelNode appendSearchString(String toAppend,
                                                            SplunkTableScan splunkRel,
                                                            org.apache.calcite.rel.logical.LogicalProject topProj,
                                                            org.apache.calcite.rel.logical.LogicalProject bottomProj,
                                                            org.apache.calcite.rel.type.RelDataType topRow,
                                                            org.apache.calcite.rel.type.RelDataType bottomRow)

Appends a search string.

Parameters:

toAppend - Search string to append

splunkRel - Relational expression

topProj - Top projection

bottomProj - Bottom projection

searchEscape

public static String searchEscape(String str)

transformToFarragoUdxRel

protected void transformToFarragoUdxRel(org.apache.calcite.plan.RelOptRuleCall call,
                                        SplunkTableScan splunkRel,
                                        org.apache.calcite.rel.logical.LogicalFilter filter,
                                        org.apache.calcite.rel.logical.LogicalProject topProj,
                                        org.apache.calcite.rel.logical.LogicalProject bottomProj)

getFieldsString

public static String getFieldsString(org.apache.calcite.rel.type.RelDataType row)