org.apache.druid.sql.calcite.planner

Class SqlResourceCollectorShuttle

java.lang.Object

org.apache.calcite.sql.util.SqlBasicVisitor<org.apache.calcite.sql.SqlNode>

org.apache.calcite.sql.util.SqlShuttle

org.apache.druid.sql.calcite.planner.SqlResourceCollectorShuttle

All Implemented Interfaces:

org.apache.calcite.sql.util.SqlVisitor<org.apache.calcite.sql.SqlNode>

public class SqlResourceCollectorShuttle
extends org.apache.calcite.sql.util.SqlShuttle

Walks an SqlNode to collect a set of Resource for ResourceType.DATASOURCE and ResourceType.VIEW to use for authorization during query planning. It works by looking for SqlIdentifier which corespond to a IdentifierNamespace, where SqlValidatorNamespace is calcite-speak for sources of data and IdentifierNamespace specifically are namespaces which are identified by a single variable, e.g. table names.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlShuttle

org.apache.calcite.sql.util.SqlShuttle.CallCopyingArgHandler

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlBasicVisitor

org.apache.calcite.sql.util.SqlBasicVisitor.ArgHandler<R>, org.apache.calcite.sql.util.SqlBasicVisitor.ArgHandlerImpl<R>

Constructor Summary

Constructors

Constructor and Description
SqlResourceCollectorShuttle(org.apache.calcite.sql.validate.SqlValidator validator, PlannerContext plannerContext)

Method Summary

Modifier and Type	Method and Description
Set<ResourceAction>	getResourceActions()
org.apache.calcite.sql.SqlNode	visit(org.apache.calcite.sql.SqlCall call)
org.apache.calcite.sql.SqlNode	visit(org.apache.calcite.sql.SqlIdentifier id)

Methods inherited from class org.apache.calcite.sql.util.SqlShuttle

visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlResourceCollectorShuttle

public SqlResourceCollectorShuttle(org.apache.calcite.sql.validate.SqlValidator validator,
                                   PlannerContext plannerContext)

Method Detail

visit

public org.apache.calcite.sql.SqlNode visit(org.apache.calcite.sql.SqlCall call)

Specified by:

visit in interface org.apache.calcite.sql.util.SqlVisitor<org.apache.calcite.sql.SqlNode>

Overrides:

visit in class org.apache.calcite.sql.util.SqlShuttle

visit

public org.apache.calcite.sql.SqlNode visit(org.apache.calcite.sql.SqlIdentifier id)

Specified by:

visit in interface org.apache.calcite.sql.util.SqlVisitor<org.apache.calcite.sql.SqlNode>

Overrides:

visit in class org.apache.calcite.sql.util.SqlShuttle

getResourceActions

public Set<ResourceAction> getResourceActions()