org.apache.calcite.adapter.splunk

Class SplunkPushDownRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.adapter.splunk.SplunkPushDownRule

public class SplunkPushDownRule
extends RelOptRule

Planner rule to push filters and projections to Splunk.

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.RelOptRule

description, operands

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SplunkPushDownRule(RelOptRuleOperand rule, String id) Creates a SplunkPushDownRule.

Method Summary

Methods

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

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

any, convert, convertList, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, 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(RelOptRuleOperand rule,
                  String id)

Creates a SplunkPushDownRule.

Method Detail

onMatch

public void onMatch(RelOptRuleCall call)

Specified by:

onMatch in class RelOptRule

appendSearchString

protected RelNode appendSearchString(String toAppend,
                         SplunkTableScan splunkRel,
                         LogicalProject topProj,
                         LogicalProject bottomProj,
                         RelDataType topRow,
                         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(RelOptRuleCall call,
                            SplunkTableScan splunkRel,
                            LogicalFilter filter,
                            LogicalProject topProj,
                            LogicalProject bottomProj)

getFieldsString

public static String getFieldsString(RelDataType row)