Package org.apache.druid.sql.calcite.planner

Class DruidOperatorTable

java.lang.Object

org.apache.druid.sql.calcite.planner.DruidOperatorTable

All Implemented Interfaces:

org.apache.calcite.sql.SqlOperatorTable

public class DruidOperatorTable
extends Object
implements org.apache.calcite.sql.SqlOperatorTable

Field Summary

Fields

Modifier and Type	Field	Description
static final DirectOperatorConversion	ROUND_OPERATOR_CONVERSION

Constructor Summary

Constructors

Constructor	Description
DruidOperatorTable(Set<SqlAggregator> aggregators, Set<SqlOperatorConversion> operatorConversions)

Method Summary

Modifier and Type	Method	Description
List<org.apache.calcite.sql.SqlOperator>	getOperatorList()
static boolean	isFunctionSyntax(org.apache.calcite.sql.SqlSyntax syntax)	Checks if a given SqlSyntax value represents a valid function syntax.
SqlAggregator	lookupAggregator(org.apache.calcite.sql.SqlAggFunction aggFunction)
SqlOperatorConversion	lookupOperatorConversion(org.apache.calcite.sql.SqlOperator operator)
void	lookupOperatorOverloads(org.apache.calcite.sql.SqlIdentifier opName, org.apache.calcite.sql.SqlFunctionCategory category, org.apache.calcite.sql.SqlSyntax syntax, List<org.apache.calcite.sql.SqlOperator> operatorList, org.apache.calcite.sql.validate.SqlNameMatcher nameMatcher)

Methods inherited from class java.lang.Object

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

Field Details

ROUND_OPERATOR_CONVERSION

public static final DirectOperatorConversion ROUND_OPERATOR_CONVERSION

Constructor Details

DruidOperatorTable

@Inject
public DruidOperatorTable(Set<SqlAggregator> aggregators,
 Set<SqlOperatorConversion> operatorConversions)

Method Details

lookupAggregator

@Nullable
public SqlAggregator lookupAggregator(org.apache.calcite.sql.SqlAggFunction aggFunction)

lookupOperatorConversion

@Nullable
public SqlOperatorConversion lookupOperatorConversion(org.apache.calcite.sql.SqlOperator operator)

lookupOperatorOverloads

public void lookupOperatorOverloads(org.apache.calcite.sql.SqlIdentifier opName,
 org.apache.calcite.sql.SqlFunctionCategory category,
 org.apache.calcite.sql.SqlSyntax syntax,
 List<org.apache.calcite.sql.SqlOperator> operatorList,
 org.apache.calcite.sql.validate.SqlNameMatcher nameMatcher)

Specified by:

lookupOperatorOverloads in interface org.apache.calcite.sql.SqlOperatorTable

getOperatorList

public List<org.apache.calcite.sql.SqlOperator> getOperatorList()

Specified by:

getOperatorList in interface org.apache.calcite.sql.SqlOperatorTable

isFunctionSyntax

public static boolean isFunctionSyntax(org.apache.calcite.sql.SqlSyntax syntax)

Checks if a given SqlSyntax value represents a valid function syntax. Treats anything other than prefix/suffix/binary syntax as function syntax.

Parameters:

syntax - The SqlSyntax value to be checked.

Returns:

true if the syntax is valid for a function, false otherwise.