Package org.apache.drill.exec.planner.sql.handlers

Interface Summary

Interface	Description
PrelFinalizable	A marker interface that means that this node should be finalized before execution planning.

Class Summary

Class	Description
AbstractSqlHandler
AnalyzeTableHandler
BaseAliasHandler
ComplexUnnestVisitor	Visitor that moves non-RexFieldAccess rex node from project below Uncollect to the left side of the Correlate.
CreateAliasHandler	Handler for handling CREATE ALIAS statements.
CreateFunctionHandler
CreateTableHandler
DefaultSqlHandler
DefaultSqlHandler.MetaDataProviderModifier
DescribeSchemaHandler
DescribeSchemaHandler.DescribeSchemaResult
DescribeTableHandler
DrillTableInfo	Holder class for DrillTable, tableName and table schemaPath obtained from SqlNode tableRef.
DropAliasHandler	Handler for handling DROP ALIAS statements.
DropAllAliasesHandler	Handler for handling DROP ALL ALIASES statements.
DropFunctionHandler
DropTableHandler
ExplainHandler
ExplainHandler.LogicalExplain
ExplainHandler.PhysicalExplain
FindLimit0Visitor	Visitor that will identify whether the root portion of the RelNode tree contains a limit 0 pattern.
FindLimit0Visitor.RelDataTypeReader	Reader for column names and types.
MetastoreAnalyzeTableHandler	Constructs plan to be executed for collecting metadata and storing it to the Metastore.
MetastoreDropTableMetadataHandler
RefreshMetadataHandler
ResetOptionHandler	Converts a SqlNode representing: "ALTER ..
SchemaHandler	Parent class for CREATE / DROP / DESCRIBE / ALTER SCHEMA handlers.
SchemaHandler.Add	ALTER SCHEMA ADD command handler.
SchemaHandler.Create	CREATE SCHEMA command handler.
SchemaHandler.Describe	DESCRIBE SCHEMA FOR TABLE command handler.
SchemaHandler.Describe.SchemaResult	Wrapper to output schema in a form of table with one column named `schema`.
SchemaHandler.Drop	DROP SCHEMA command handler.
SchemaHandler.Remove	ALTER SCHEMA REMOVE command handler.
SetOptionHandler	Converts a SqlNode representing: "ALTER ..
SetOptionHandler.SetOptionViewResult	Representation of "SET property.name" query result.
ShowFilesHandler
ShowFilesHandler.ShowFilesCommandResult	Original show files command result holder is used as wrapper over new Records.File holder to maintain backward compatibility with ODBC driver etc.
ShowSchemasHandler
ShowTablesHandler
SimpleCommandResult
SqlHandlerConfig
SqlHandlerConfig.PluginsCollector
SqlHandlerUtil
UseSchemaHandler
ViewHandler
ViewHandler.CreateView	Handler for Create View DDL command
ViewHandler.DropView	Handler for Drop View [If Exists] DDL command.