ConstraintReferential (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.engine.DbObject
- - org.h2.schema.SchemaObject
  - - org.h2.constraint.Constraint
    - - org.h2.constraint.ConstraintReferential

所有已实现的接口:

Comparable<Constraint>, HasSQL
```
public class ConstraintReferential
extends Constraint
```
A referential constraint.

嵌套类概要
- 从类继承的嵌套类/接口 org.h2.constraint.Constraint
  Constraint.Type

字段概要
- 从类继承的字段 org.h2.constraint.Constraint
  table
- 从类继承的字段 org.h2.engine.DbObject
  AGGREGATE, comment, COMMENT, CONSTANT, CONSTRAINT, database, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, trace, TRIGGER, USER
- 从接口继承的字段 org.h2.util.HasSQL
  ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

构造器概要

构造器
构造器和说明

ConstraintReferential(Schema schema, int id, String name, Table table)

构造器
构造器和说明
`ConstraintReferential(Schema schema, int id, String name, Table table)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`checkExistingData(SessionLocal session)` Check the existing data.
`void`	`checkRow(SessionLocal session, Table t, Row oldRow, Row newRow)` Check if this row fulfils the constraint.
`IndexColumn[]`	`getColumns()`
`Constraint.Type`	`getConstraintType()` The constraint type name
`String`	`getCreateSQL()` Construct the CREATE ...
`String`	`getCreateSQLForCopy(Table forTable, String quotedName)` Create the SQL statement of this object so a copy of the table can be made.
`String`	`getCreateSQLForCopy(Table forTable, Table forRefTable, String quotedName, boolean internalIndex)` Create the SQL statement of this object so a copy of the table can be made.
`String`	`getCreateSQLWithoutIndexes()` Get the SQL statement to create this constraint.
`ConstraintActionType`	`getDeleteAction()`
`Index`	`getIndex()` Get the index of this constraint in the source table, or null if no index is used.
`IndexColumn[]`	`getRefColumns()`
`HashSet<Column>`	`getReferencedColumns(Table table)` Get all referenced columns.
`ConstraintUnique`	`getReferencedConstraint()` Returns the referenced unique constraint, or null.
`Table`	`getRefTable()`
`ConstraintActionType`	`getUpdateAction()`
`boolean`	`isBefore()` Check if this constraint needs to be checked before updating the data.
`void`	`rebuild()` This method is called after a related table has changed (the table was renamed, or columns have been renamed).
`void`	`removeChildrenAndResources(SessionLocal session)` Delete all dependent children objects and resources of this object.
`void`	`setColumns(IndexColumn[] cols)`
`void`	`setDeleteAction(ConstraintActionType action)` Set the action to apply (restrict, cascade,...) on a delete.
`void`	`setIndex(Index index, boolean isOwner)` Set the index to use for this constraint.
`void`	`setIndexOwner(Index index)` This index is now the owner of the specified index.
`void`	`setRefColumns(IndexColumn[] refCols)`
`void`	`setRefConstraint(ConstraintUnique refConstraint)` Set the unique constraint of the referenced table to use for this constraint.
`void`	`setRefTable(Table refTable)`
`void`	`setUpdateAction(ConstraintActionType action)` Set the action to apply (restrict, cascade,...) on an update.
`void`	`updateOnTableColumnRename()` Update the constraint SQL when a referenced column is renamed.
`boolean`	`usesIndex(Index idx)` Check if this constraint needs the specified index.

从类继承的方法 org.h2.constraint.Constraint
compareTo, getExpression, getTable, getType, isEverything, isHidden

从类继承的方法 org.h2.schema.SchemaObject
getSchema, getSQL, getSQL

从类继承的方法 org.h2.engine.DbObject
checkRename, getChildren, getComment, getCreateSQLForMeta, getDatabase, getDropSQL, getId, getModificationId, getName, invalidate, isTemporary, isValid, rename, setComment, setModified, setObjectName, setTemporary, toString

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.h2.util.HasSQL
getTraceSQL

- 构造器详细资料
  - ConstraintReferential
```
public ConstraintReferential(Schema schema,
                             int id,
                             String name,
                             Table table)
```
- 方法详细资料
  - getConstraintType
```
public Constraint.Type getConstraintType()
```
    从类复制的说明: Constraint
    
    The constraint type name
    
    指定者:
    
    getConstraintType 在类中 Constraint
    
    返回:
    
    the name
  - getCreateSQLForCopy
```
public String getCreateSQLForCopy(Table forTable,
                                  String quotedName)
```
    Create the SQL statement of this object so a copy of the table can be made.
    
    覆盖:
    
    getCreateSQLForCopy 在类中 DbObject
    
    参数:
    
    forTable - the table to create the object for
    
    quotedName - the name of this object (quoted if necessary)
    
    返回:
    
    the SQL statement
  - getCreateSQLForCopy
```
public String getCreateSQLForCopy(Table forTable,
                                  Table forRefTable,
                                  String quotedName,
                                  boolean internalIndex)
```
    Create the SQL statement of this object so a copy of the table can be made.
    
    参数:
    
    forTable - the table to create the object for
    
    forRefTable - the referenced table
    
    quotedName - the name of this object (quoted if necessary)
    
    internalIndex - add the index name to the statement
    
    返回:
    
    the SQL statement
  - getCreateSQLWithoutIndexes
```
public String getCreateSQLWithoutIndexes()
```
    从类复制的说明: Constraint
    
    Get the SQL statement to create this constraint.
    
    指定者:
    
    getCreateSQLWithoutIndexes 在类中 Constraint
    
    返回:
    
    the SQL statement
  - getCreateSQL
```
public String getCreateSQL()
```
    从类复制的说明: DbObject
    
    Construct the CREATE ... SQL statement for this object.
    
    指定者:
    
    getCreateSQL 在类中 DbObject
    
    返回:
    
    the SQL statement
  - setColumns
```
public void setColumns(IndexColumn[] cols)
```
  - getColumns
```
public IndexColumn[] getColumns()
```
  - getReferencedColumns
```
public HashSet<Column> getReferencedColumns(Table table)
```
    从类复制的说明: Constraint
    
    Get all referenced columns.
    
    指定者:
    
    getReferencedColumns 在类中 Constraint
    
    参数:
    
    table - the table
    
    返回:
    
    the set of referenced columns
  - setRefColumns
```
public void setRefColumns(IndexColumn[] refCols)
```
  - getRefColumns
```
public IndexColumn[] getRefColumns()
```
  - setRefTable
```
public void setRefTable(Table refTable)
```
  - setIndex
```
public void setIndex(Index index,
                     boolean isOwner)
```
    Set the index to use for this constraint.
    
    参数:
    
    index - the index
    
    isOwner - true if the index is generated by the system and belongs to this constraint
  - setRefConstraint
```
public void setRefConstraint(ConstraintUnique refConstraint)
```
    Set the unique constraint of the referenced table to use for this constraint.
    
    参数:
    
    refConstraint - the unique constraint
  - removeChildrenAndResources
```
public void removeChildrenAndResources(SessionLocal session)
```
    从类复制的说明: DbObject
    
    Delete all dependent children objects and resources of this object.
    
    指定者:
    
    removeChildrenAndResources 在类中 DbObject
    
    参数:
    
    session - the session
  - checkRow
```
public void checkRow(SessionLocal session,
                     Table t,
                     Row oldRow,
                     Row newRow)
```
    从类复制的说明: Constraint
    
    Check if this row fulfils the constraint. This method throws an exception if not.
    
    指定者:
    
    checkRow 在类中 Constraint
    
    参数:
    
    session - the session
    
    t - the table
    
    oldRow - the old row
    
    newRow - the new row
  - getDeleteAction
```
public ConstraintActionType getDeleteAction()
```
  - setDeleteAction
```
public void setDeleteAction(ConstraintActionType action)
```
    Set the action to apply (restrict, cascade,...) on a delete.
    
    参数:
    
    action - the action
  - updateOnTableColumnRename
```
public void updateOnTableColumnRename()
```
    Update the constraint SQL when a referenced column is renamed.
  - getUpdateAction
```
public ConstraintActionType getUpdateAction()
```
  - setUpdateAction
```
public void setUpdateAction(ConstraintActionType action)
```
    Set the action to apply (restrict, cascade,...) on an update.
    
    参数:
    
    action - the action
  - rebuild
```
public void rebuild()
```
    从类复制的说明: Constraint
    
    This method is called after a related table has changed (the table was renamed, or columns have been renamed).
    
    指定者:
    
    rebuild 在类中 Constraint
  - getRefTable
```
public Table getRefTable()
```
    覆盖:
    
    getRefTable 在类中 Constraint
  - usesIndex
```
public boolean usesIndex(Index idx)
```
    从类复制的说明: Constraint
    
    Check if this constraint needs the specified index.
    
    指定者:
    
    usesIndex 在类中 Constraint
    
    参数:
    
    idx - the index
    
    返回:
    
    true if the index is used
  - setIndexOwner
```
public void setIndexOwner(Index index)
```
    从类复制的说明: Constraint
    
    This index is now the owner of the specified index.
    
    指定者:
    
    setIndexOwner 在类中 Constraint
    
    参数:
    
    index - the index
  - isBefore
```
public boolean isBefore()
```
    从类复制的说明: Constraint
    
    Check if this constraint needs to be checked before updating the data.
    
    指定者:
    
    isBefore 在类中 Constraint
    
    返回:
    
    true if it must be checked before updating
  - checkExistingData
```
public void checkExistingData(SessionLocal session)
```
    从类复制的说明: Constraint
    
    Check the existing data. This method is called if the constraint is added after data has been inserted into the table.
    
    指定者:
    
    checkExistingData 在类中 Constraint
    
    参数:
    
    session - the session
  - getIndex
```
public Index getIndex()
```
    从类复制的说明: Constraint
    
    Get the index of this constraint in the source table, or null if no index is used.
    
    覆盖:
    
    getIndex 在类中 Constraint
    
    返回:
    
    the index
  - getReferencedConstraint
```
public ConstraintUnique getReferencedConstraint()
```
    从类复制的说明: Constraint
    
    Returns the referenced unique constraint, or null.
    
    覆盖:
    
    getReferencedConstraint 在类中 Constraint
    
    返回:
    
    the referenced unique constraint, or null

类 ConstraintReferential

嵌套类概要

从类继承的嵌套类/接口 org.h2.constraint.Constraint

字段概要

从类继承的字段 org.h2.constraint.Constraint

从类继承的字段 org.h2.engine.DbObject

从接口继承的字段 org.h2.util.HasSQL

构造器概要

方法概要

从类继承的方法 org.h2.constraint.Constraint

从类继承的方法 org.h2.schema.SchemaObject

从类继承的方法 org.h2.engine.DbObject

从类继承的方法 java.lang.Object

从接口继承的方法 org.h2.util.HasSQL

构造器详细资料

ConstraintReferential

方法详细资料

getConstraintType

getCreateSQLForCopy

getCreateSQLForCopy

getCreateSQLWithoutIndexes

getCreateSQL

setColumns

getColumns

getReferencedColumns

setRefColumns

getRefColumns

setRefTable

setIndex

setRefConstraint

removeChildrenAndResources

checkRow

getDeleteAction

setDeleteAction

updateOnTableColumnRename

getUpdateAction

setUpdateAction

rebuild

getRefTable

usesIndex

setIndexOwner

isBefore

checkExistingData

getIndex

getReferencedConstraint