Package | Description |
---|---|
com.mckoi.database |
The core database classes for Mckoi.
|
com.mckoi.database.interpret |
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.
|
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.
|
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.
|
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.
|
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.
|
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.
|
Copyright © 2018. All rights reserved.