Uses of Interface com.mckoi.database.QueryContext (Mckoi SQL Database (MckoiSQLDB) 1.0.6 API)

Packages that use QueryContext

Package

Description

com.mckoi.database

The core database classes for Mckoi.

Uses of QueryContext in com.mckoi.database

Classes in com.mckoi.database that implement QueryContext

Modifier and Type

Class

Description

class

AbstractQueryContext

An abstract implementation of QueryContext

class

DatabaseQueryContext

An implementation of a QueryContext based on a DatabaseConnection object.

Methods in com.mckoi.database with parameters of type QueryContext

Modifier and Type

Method

Description

Table

Table.all(QueryContext context, Expression lhs, Operator op, Table table)

Evaluates a non-correlated ALL type operator given the LHS expression, the RHS subquery and the ALL operator to use.

Table

Table.any(QueryContext context, Expression lhs, Operator op, Table right_table)

Evaluates a non-correlated ANY type operator given the LHS expression, the RHS subquery and the ANY operator to use.

final RowData

DataTable.createRowDataObject(QueryContext context)

Generates an empty RowData object for 'addRow'ing into the Table.

QueryPlanNode

QueryPlan.FetchViewNode.createViewChildNode(QueryContext context)

Returns the QueryPlanNode that resolves to the view.

abstract TObject

Operator.eval(TObject ob1, TObject ob2, GroupResolver group, VariableResolver resolver, QueryContext context)

abstract TObject

AbstractAggregateFunction.evalAggregate(GroupResolver group, QueryContext context, TObject val1, TObject val2)

Evaluates the aggregate function for the given values and returns the result.

final TObject

AbstractAggregateFunction.evaluate(GroupResolver group, VariableResolver resolver, QueryContext context)

TObject

Expression.evaluate(GroupResolver group, VariableResolver resolver, QueryContext context)

Evaluates this expression and returns an Object that represents the result of the evaluation.

TObject

Expression.evaluate(VariableResolver resolver, QueryContext context)

Evaluation without a grouping table.

TObject

Function.evaluate(GroupResolver group, VariableResolver resolver, QueryContext context)

Evaluates the function and returns a TObject that represents the result of the function.

Table

QueryPlan.CachePointNode.evaluate(QueryContext context)

Table

QueryPlan.CompositeNode.evaluate(QueryContext context)

Table

QueryPlan.ConstantSelectNode.evaluate(QueryContext context)

Table

QueryPlan.CreateFunctionsNode.evaluate(QueryContext context)

Table

QueryPlan.DistinctNode.evaluate(QueryContext context)

Table

QueryPlan.EquiJoinNode.evaluate(QueryContext context)

Table

QueryPlan.ExhaustiveSelectNode.evaluate(QueryContext context)

Table

QueryPlan.FetchTableNode.evaluate(QueryContext context)

Table

QueryPlan.FetchViewNode.evaluate(QueryContext context)

Table

QueryPlan.FunctionalSelectNode.evaluate(QueryContext context)

Table

QueryPlan.GroupNode.evaluate(QueryContext context)

Table

QueryPlan.JoinNode.evaluate(QueryContext context)

Table

QueryPlan.LeftOuterJoinNode.evaluate(QueryContext context)

Table

QueryPlan.LogicalUnionNode.evaluate(QueryContext context)

Table

QueryPlan.MarkerNode.evaluate(QueryContext context)

Table

QueryPlan.MultiColumnEquiSelectNode.evaluate(QueryContext context)

Table

QueryPlan.NaturalJoinNode.evaluate(QueryContext context)

Table

QueryPlan.NonCorrelatedAnyAllNode.evaluate(QueryContext context)

Table

QueryPlan.RangeSelectNode.evaluate(QueryContext context)

Table

QueryPlan.SimplePatternSelectNode.evaluate(QueryContext context)

Table

QueryPlan.SimpleSelectNode.evaluate(QueryContext context)

Table

QueryPlan.SingleRowTableNode.evaluate(QueryContext context)

Table

QueryPlan.SortNode.evaluate(QueryContext context)

Table

QueryPlan.SubsetNode.evaluate(QueryContext context)

Table

QueryPlanNode.evaluate(QueryContext context)

Evaluates the node and returns the result as a Table.

final Table

Table.exhaustiveSelect(QueryContext context, Expression exp)

Exhaustively searches through this table for rows that match the expression given.

Function

FunctionDef.getFunction(QueryContext context)

Returns a Function object from this FunctionDef.

boolean

Expression.hasAggregateFunction(QueryContext context)

Cascades through the expression and if any aggregate functions are found returns true, otherwise returns false.

final boolean

AbstractFunction.isAggregate(QueryContext context)

Returns whether the function is an aggregate function or not.

boolean

Function.isAggregate(QueryContext context)

Returns true if this function is an aggregate function.

boolean

FunctionDef.isAggregate(QueryContext context)

Returns true if this function is an aggregate, or the parameters are aggregates.

TObject

AbstractAggregateFunction.postEvalAggregate(GroupResolver group, QueryContext context, TObject result)

Called just before the value is returned to the parent.

TType

AbstractFunction.returnTType(VariableResolver resolver, QueryContext context)

By Default, we assume a function returns a Numeric object.

TType

Expression.returnTType(VariableResolver resolver, QueryContext context)

Determines the type of object this expression evaluates to.

TType

Function.returnTType(VariableResolver resolver, QueryContext context)

The type of object this function returns.

void

RowData.setColumnToDefault(int column, QueryContext context)

Sets the given column number to the default value for this column.

void

RowData.setDefaultForRest(QueryContext context)

Any columns in the row of data that haven't been set yet (they will be 'null') will be set to the default value during this method.

void

RowData.setupEntire(int[] col_indices, Expression[] exps, QueryContext context)

Sets up an entire row given the array of Expressions and a list of indices to the columns to set.

void

RowData.setupEntire(int[] col_indices, List insert_elements, QueryContext context)

Sets up an entire row given the list of insert elements and a list of indices to the columns to set.

void

RowData.setupEntire(Assignment[] assignments, QueryContext context)

Sets up an entire row given the array of assignments.

final Table

Table.simpleJoin(QueryContext context, Table table, Variable lhs_var, Operator op, Expression rhs)

A simple join operation.

final Table

Table.simpleSelect(QueryContext context, Variable lhs_var, Operator op, Expression rhs)

A simple select on this table.

final int

DataTable.update(QueryContext context, Table table, Assignment[] assign_list, int limit)

Updates the table by applying the assignment operations over each row that is found in the input 'table' set.

Uses of Interfacecom.mckoi.database.QueryContext

Uses of QueryContext in com.mckoi.database

Uses of Interface
com.mckoi.database.QueryContext