org.apache.calcite.test.catalog

类 VirtualColumnsExpressionFactory

java.lang.Object

org.apache.calcite.sql2rel.NullInitializerExpressionFactory

org.apache.calcite.test.catalog.VirtualColumnsExpressionFactory

所有已实现的接口:

org.apache.calcite.sql2rel.InitializerExpressionFactory

public class VirtualColumnsExpressionFactory
extends org.apache.calcite.sql2rel.NullInitializerExpressionFactory

Define column strategies for the "VIRTUALCOLUMNS" table.

字段概要

从类继承的字段 org.apache.calcite.sql2rel.NullInitializerExpressionFactory

INSTANCE

构造器概要

构造器

构造器和说明
VirtualColumnsExpressionFactory()

方法概要

限定符和类型	方法和说明
org.apache.calcite.schema.ColumnStrategy	generationStrategy(org.apache.calcite.plan.RelOptTable table, int iColumn)
org.apache.calcite.rex.RexNode	newColumnDefaultValue(org.apache.calcite.plan.RelOptTable table, int iColumn, org.apache.calcite.sql2rel.InitializerContext context)

从类继承的方法 org.apache.calcite.sql2rel.NullInitializerExpressionFactory

isGeneratedAlways, newAttributeInitializer, postExpressionConversionHook

从类继承的方法 java.lang.Object

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

构造器详细资料

VirtualColumnsExpressionFactory

public VirtualColumnsExpressionFactory()

方法详细资料

generationStrategy

public org.apache.calcite.schema.ColumnStrategy generationStrategy(org.apache.calcite.plan.RelOptTable table,
                                                                   int iColumn)

指定者:

generationStrategy 在接口中 org.apache.calcite.sql2rel.InitializerExpressionFactory

覆盖:

generationStrategy 在类中 org.apache.calcite.sql2rel.NullInitializerExpressionFactory

newColumnDefaultValue

public org.apache.calcite.rex.RexNode newColumnDefaultValue(org.apache.calcite.plan.RelOptTable table,
                                                            int iColumn,
                                                            org.apache.calcite.sql2rel.InitializerContext context)

指定者:

newColumnDefaultValue 在接口中 org.apache.calcite.sql2rel.InitializerExpressionFactory

覆盖:

newColumnDefaultValue 在类中 org.apache.calcite.sql2rel.NullInitializerExpressionFactory