Uses of Interface
com.mckoi.database.QueryPlanNode

Packages that use QueryPlanNode

Package	Description
com.mckoi.database	The core database classes for Mckoi.
com.mckoi.database.interpret	These classes interpret specific SQL statements, such as Insert and Delete.

Uses of QueryPlanNode in com.mckoi.database

Classes in com.mckoi.database that implement QueryPlanNode

Modifier and Type	Class	Description
static class	QueryPlan.BranchQueryPlanNode	A QueryPlanNode that is a branch with two child nodes.
static class	QueryPlan.CachePointNode	A cache point node that only evaluates the child if the result can not be found in the cache with the given unique id.
static class	QueryPlan.CompositeNode	A branch node for performing a composite function on two child nodes.
static class	QueryPlan.ConstantSelectNode	The node for evaluating an expression that contains entirely constant values (no variables).
static class	QueryPlan.CreateFunctionsNode	The node for merging the child node with a set of new function columns over the entire result.
static class	QueryPlan.DistinctNode	The node for performing a distinct operation on the given columns of the child node.
static class	QueryPlan.EquiJoinNode	A branch node for equi-joining two tables together given two sets of columns.
static class	QueryPlan.ExhaustiveSelectNode	The node for performing a exhaustive select operation on the child node.
static class	QueryPlan.FetchTableNode	The node for fetching a table from the current transaction.
static class	QueryPlan.FetchViewNode	The node that fetches a view from the current connection.
static class	QueryPlan.FunctionalSelectNode	The node for performing a functional select operation on the child node.
static class	QueryPlan.GroupNode	The node for performing a grouping operation on the columns of the child node.
static class	QueryPlan.JoinNode	A branch node for a non-equi join between two tables.
static class	QueryPlan.LeftOuterJoinNode	A branch node for a left outer join.
static class	QueryPlan.LogicalUnionNode	A branch node for a logical union of two tables of identical types.
static class	QueryPlan.MarkerNode	A marker node that takes the result of a child and marks it as a name that can later be retrieved.
static class	QueryPlan.MultiColumnEquiSelectNode	The node for performing an equi-select on a group of columns of the child node.
static class	QueryPlan.NaturalJoinNode	A branch node for naturally joining two tables together.
static class	QueryPlan.NonCorrelatedAnyAllNode	A branch node for a non-correlated ANY or ALL sub-query evaluation.
static class	QueryPlan.RangeSelectNode	The node for performing a simple indexed query on a single column of the child node.
static class	QueryPlan.SimplePatternSelectNode	The node for evaluating a simple pattern search on a table which includes a single left hand variable or constant, a pattern type (LIKE, NOT LIKE or REGEXP), and a right hand constant (eg.
static class	QueryPlan.SimpleSelectNode	The node for performing a simple select operation on a table.
static class	QueryPlan.SingleQueryPlanNode	A QueryPlanNode with a single child.
static class	QueryPlan.SingleRowTableNode	A node for creating a table with a single row.
static class	QueryPlan.SortNode	The node for performing a sort operation on the given columns of the child node.
static class	QueryPlan.SubsetNode	The node for finding a subset and renaming the columns of the results in the child node.

Fields in com.mckoi.database declared as QueryPlanNode

Modifier and Type	Field	Description
protected QueryPlanNode	QueryPlan.SingleQueryPlanNode.child	The single child node.
protected QueryPlanNode	QueryPlan.BranchQueryPlanNode.left	The left and right node.
protected QueryPlanNode	QueryPlan.BranchQueryPlanNode.right	The left and right node.

Methods in com.mckoi.database that return QueryPlanNode

Modifier and Type	Method	Description
QueryPlanNode	QueryPlan.SingleQueryPlanNode.child()	Returns the child plan.
QueryPlanNode	DatabaseConnection.createObjectFetchQueryPlan(TableName table_name, TableName aliased_name)	Creates a QueryPlanNode to fetch the given table object from this connection.
QueryPlanNode	QueryPlan.FetchViewNode.createViewChildNode(QueryContext context)	Returns the QueryPlanNode that resolves to the view.
QueryPlanNode	DatabaseQueryContext.createViewQueryPlanNode(TableName name)	Creates a QueryPlanNode for the view with the given name.
QueryPlanNode	ViewManager.createViewQueryPlanNode(TableName view_name)	Returns a freshly deserialized QueryPlanNode object for the given view object.
QueryPlanNode	Expression.getQueryPlanNode()	Returns the QueryPlanNode object in this expression if it evaluates to a single QueryPlanNode, otherwise returns null.
QueryPlanNode	TableQueryDef.getQueryPlanNode()	Returns a QueryPlanNode that can be put into a plan tree and can be evaluated to find the result of the table.
QueryPlanNode	ViewDef.getQueryPlanNode()	Returns the QueryPlanNode for this view.
QueryPlanNode	QueryPlan.BranchQueryPlanNode.left()	Returns the left node.
QueryPlanNode	QueryPlan.BranchQueryPlanNode.right()	Returns the right node.

Constructors in com.mckoi.database with parameters of type QueryPlanNode

Constructor	Description
BranchQueryPlanNode(QueryPlanNode left, QueryPlanNode right)	The Constructor.
CachePointNode(QueryPlanNode child)	Constructor.
CompositeNode(QueryPlanNode left, QueryPlanNode right, int composite_op, boolean all_op)
ConstantSelectNode(QueryPlanNode child, Expression exp)
CreateFunctionsNode(QueryPlanNode child, Expression[] function_list, java.lang.String[] name_list)	Constructor.
DistinctNode(QueryPlanNode child, Variable[] columns)
EquiJoinNode(QueryPlanNode left, QueryPlanNode right, Variable[] left_cols, Variable[] right_cols)
ExhaustiveSelectNode(QueryPlanNode child, Expression exp)
FunctionalSelectNode(QueryPlanNode child, Expression exp)
GroupNode(QueryPlanNode child, Variable[] columns, Variable group_max_column, Expression[] function_list, java.lang.String[] name_list)	Groups over the given columns from the child.
GroupNode(QueryPlanNode child, Variable group_max_column, Expression[] function_list, java.lang.String[] name_list)	Groups over the entire child (always ends in 1 result in set).
JoinNode(QueryPlanNode left, QueryPlanNode right, Variable left_var, Operator join_op, Expression right_expression)
LeftOuterJoinNode(QueryPlanNode child, java.lang.String complete_mark_name)
LogicalUnionNode(QueryPlanNode left, QueryPlanNode right)
MarkerNode(QueryPlanNode child, java.lang.String mark_name)	Constructor.
MultiColumnEquiSelectNode(QueryPlanNode child, Variable[] columns, Expression[] values)
NaturalJoinNode(QueryPlanNode left, QueryPlanNode right)
NonCorrelatedAnyAllNode(QueryPlanNode left, QueryPlanNode right, Variable[] left_vars, Operator subquery_op)
RangeSelectNode(QueryPlanNode child, Expression exp)
SimplePatternSelectNode(QueryPlanNode child, Expression exp)
SimpleSelectNode(QueryPlanNode child, Variable left_var, Operator op, Expression right_expression)
SingleQueryPlanNode(QueryPlanNode child)	Constructor.
SortNode(QueryPlanNode child, Variable[] columns, boolean[] ascending)
SubsetNode(QueryPlanNode child, Variable[] original_columns, Variable[] new_column_names)
ViewDef(DataTableDef view_def, QueryPlanNode query_node)	Constructs the ViewDef object.

Uses of QueryPlanNode in com.mckoi.database.interpret

Methods in com.mckoi.database.interpret that return QueryPlanNode

Modifier and Type	Method	Description
QueryPlanNode	FromTableDirectSource.createFetchQueryPlanNode()	Creates a QueryPlanNode to be added into a query tree that fetches the table source.
static QueryPlanNode	Planner.formQueryPlan(DatabaseConnection db, TableSelectExpression expression, com.mckoi.database.interpret.TableExpressionFromSet from_set, java.util.ArrayList order_by)	Forms a query plan (QueryPlanNode) from the given TableSelectExpression and TableExpressionFromSet.
static QueryPlanNode	Planner.planForOrderBy(QueryPlanNode plan, java.util.ArrayList order_by, com.mckoi.database.interpret.TableExpressionFromSet from_set, java.util.ArrayList s_col_list)	Plans an ORDER BY set.

Methods in com.mckoi.database.interpret with parameters of type QueryPlanNode

Modifier and Type	Method	Description
static QueryPlanNode	Planner.planForOrderBy(QueryPlanNode plan, java.util.ArrayList order_by, com.mckoi.database.interpret.TableExpressionFromSet from_set, java.util.ArrayList s_col_list)	Plans an ORDER BY set.