org.apache.flink.table.operations.utils

Class OperationTreeBuilder

java.lang.Object

org.apache.flink.table.operations.utils.OperationTreeBuilder

@Internal
public final class OperationTreeBuilder
extends Object

A builder for constructing validated QueryOperations.

Method Summary

Modifier and Type	Method and Description
QueryOperation	addColumns(boolean replaceIfExist, List<Expression> fieldLists, QueryOperation child) Adds additional columns.
QueryOperation	aggregate(List<Expression> groupingExpressions, Expression aggregate, QueryOperation child)
QueryOperation	aggregate(List<Expression> groupingExpressions, List<Expression> aggregates, QueryOperation child)
QueryOperation	alias(List<Expression> fields, QueryOperation child)
static OperationTreeBuilder	create(TableConfig tableConfig, ClassLoader userClassLoader, FunctionLookup functionCatalog, DataTypeFactory typeFactory, TableReferenceLookup tableReferenceLookup, SqlExpressionResolver sqlExpressionResolver, boolean isStreamingMode)
QueryOperation	distinct(QueryOperation child)
QueryOperation	dropColumns(List<Expression> fieldLists, QueryOperation child)
QueryOperation	filter(Expression condition, QueryOperation child)
QueryOperation	flatMap(Expression tableFunctionCall, QueryOperation child)
ExpressionResolver.ExpressionResolverBuilder	getResolverBuilder(QueryOperation... tableOperation)
QueryOperation	intersect(QueryOperation left, QueryOperation right, boolean all)
QueryOperation	join(QueryOperation left, QueryOperation right, JoinQueryOperation.JoinType joinType, Optional<Expression> condition, boolean correlated)
QueryOperation	joinLateral(QueryOperation left, Expression tableFunction, JoinQueryOperation.JoinType joinType, Optional<Expression> condition)
QueryOperation	limitWithFetch(int fetch, QueryOperation child)
QueryOperation	limitWithOffset(int offset, QueryOperation child)
QueryOperation	map(Expression mapFunction, QueryOperation child)
QueryOperation	minus(QueryOperation left, QueryOperation right, boolean all)
QueryOperation	project(List<Expression> projectList, QueryOperation child)
QueryOperation	project(List<Expression> projectList, QueryOperation child, boolean explicitAlias)
QueryOperation	project(List<Expression> projectList, QueryOperation child, List<OverWindow> overWindows)
QueryOperation	renameColumns(List<Expression> aliases, QueryOperation child)
Expression	resolveExpression(Expression expression, QueryOperation... tableOperation)
QueryOperation	sort(List<Expression> fields, QueryOperation child)
QueryOperation	tableAggregate(List<Expression> groupingExpressions, Expression tableAggFunction, QueryOperation child)
QueryOperation	union(QueryOperation left, QueryOperation right, boolean all)
QueryOperation	values(DataType rowType, Expression... expressions)
QueryOperation	values(Expression... expressions)
QueryOperation	windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression aggregateFunction, QueryOperation child)
QueryOperation	windowAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, List<Expression> aggregates, QueryOperation child)
QueryOperation	windowTableAggregate(List<Expression> groupingExpressions, GroupWindow window, List<Expression> windowProperties, Expression tableAggFunction, QueryOperation child)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static OperationTreeBuilder create(TableConfig tableConfig,
                                          ClassLoader userClassLoader,
                                          FunctionLookup functionCatalog,
                                          DataTypeFactory typeFactory,
                                          TableReferenceLookup tableReferenceLookup,
                                          SqlExpressionResolver sqlExpressionResolver,
                                          boolean isStreamingMode)

project

public QueryOperation project(List<Expression> projectList,
                              QueryOperation child)

project

public QueryOperation project(List<Expression> projectList,
                              QueryOperation child,
                              boolean explicitAlias)

project

public QueryOperation project(List<Expression> projectList,
                              QueryOperation child,
                              List<OverWindow> overWindows)

addColumns

public QueryOperation addColumns(boolean replaceIfExist,
                                 List<Expression> fieldLists,
                                 QueryOperation child)

Adds additional columns. Existing fields will be replaced if replaceIfExist is true.

renameColumns

public QueryOperation renameColumns(List<Expression> aliases,
                                    QueryOperation child)

dropColumns

public QueryOperation dropColumns(List<Expression> fieldLists,
                                  QueryOperation child)

aggregate

public QueryOperation aggregate(List<Expression> groupingExpressions,
                                List<Expression> aggregates,
                                QueryOperation child)

windowAggregate

public QueryOperation windowAggregate(List<Expression> groupingExpressions,
                                      GroupWindow window,
                                      List<Expression> windowProperties,
                                      List<Expression> aggregates,
                                      QueryOperation child)

windowAggregate

public QueryOperation windowAggregate(List<Expression> groupingExpressions,
                                      GroupWindow window,
                                      List<Expression> windowProperties,
                                      Expression aggregateFunction,
                                      QueryOperation child)

join

public QueryOperation join(QueryOperation left,
                           QueryOperation right,
                           JoinQueryOperation.JoinType joinType,
                           Optional<Expression> condition,
                           boolean correlated)

joinLateral

public QueryOperation joinLateral(QueryOperation left,
                                  Expression tableFunction,
                                  JoinQueryOperation.JoinType joinType,
                                  Optional<Expression> condition)

resolveExpression

public Expression resolveExpression(Expression expression,
                                    QueryOperation... tableOperation)

getResolverBuilder

public ExpressionResolver.ExpressionResolverBuilder getResolverBuilder(QueryOperation... tableOperation)

sort

public QueryOperation sort(List<Expression> fields,
                           QueryOperation child)

limitWithOffset

public QueryOperation limitWithOffset(int offset,
                                      QueryOperation child)

limitWithFetch

public QueryOperation limitWithFetch(int fetch,
                                     QueryOperation child)

alias

public QueryOperation alias(List<Expression> fields,
                            QueryOperation child)

filter

public QueryOperation filter(Expression condition,
                             QueryOperation child)

distinct

public QueryOperation distinct(QueryOperation child)

minus

public QueryOperation minus(QueryOperation left,
                            QueryOperation right,
                            boolean all)

intersect

public QueryOperation intersect(QueryOperation left,
                                QueryOperation right,
                                boolean all)

union

public QueryOperation union(QueryOperation left,
                            QueryOperation right,
                            boolean all)

map

public QueryOperation map(Expression mapFunction,
                          QueryOperation child)

flatMap

public QueryOperation flatMap(Expression tableFunctionCall,
                              QueryOperation child)

aggregate

public QueryOperation aggregate(List<Expression> groupingExpressions,
                                Expression aggregate,
                                QueryOperation child)

values

public QueryOperation values(DataType rowType,
                             Expression... expressions)

values

public QueryOperation values(Expression... expressions)

tableAggregate

public QueryOperation tableAggregate(List<Expression> groupingExpressions,
                                     Expression tableAggFunction,
                                     QueryOperation child)

windowTableAggregate

public QueryOperation windowTableAggregate(List<Expression> groupingExpressions,
                                           GroupWindow window,
                                           List<Expression> windowProperties,
                                           Expression tableAggFunction,
                                           QueryOperation child)