LinkSchemaFunction

java.lang.Object

org.h2.expression.function.table.TableFunction

org.h2.expression.function.table.LinkSchemaFunction

All Implemented Interfaces:: ExpressionWithVariableParameters, NamedExpression, HasSQL

public final class LinkSchemaFunction extends TableFunction

A LINK_SCHEMA function.

Field Summary

Fields inherited from class org.h2.expression.function.table.TableFunction
args

Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
Constructor Summary

Constructors

Constructor

Description

LinkSchemaFunction()
Method Summary

Modifier and Type

Method

Description

String

getName()

Get the name.

ResultInterface

getValue(SessionLocal session)

Get a result with.

ResultInterface

getValueTemplate(SessionLocal session)

Get an empty result with the column names set.

boolean

isDeterministic()

Whether the function always returns the same result for the same parameters.

void

optimize(SessionLocal session)

Try to optimize this table function

Methods inherited from class org.h2.expression.function.table.TableFunction
addParameter, doneWithParameters, getSQL

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.h2.util.HasSQL
getSQL, getTraceSQL

Constructor Details
- LinkSchemaFunction
  
  public LinkSchemaFunction()
Method Details
- getValue
  
  public ResultInterface getValue(SessionLocal session)
  
  Description copied from class: TableFunction
  
  Get a result with.
  
  Specified by:
  
  getValue in class TableFunction
  
  Parameters:
  
  session - the session
  
  Returns:
  
  the result
- optimize
  
  public void optimize(SessionLocal session)
  
  Description copied from class: TableFunction
  
  Try to optimize this table function
  
  Overrides:
  
  optimize in class TableFunction
  
  Parameters:
  
  session - the session
- getValueTemplate
  
  public ResultInterface getValueTemplate(SessionLocal session)
  
  Description copied from class: TableFunction
  
  Get an empty result with the column names set.
  
  Specified by:
  
  getValueTemplate in class TableFunction
  
  Parameters:
  
  session - the session
  
  Returns:
  
  the empty result
- getName
  
  public String getName()
  
  Description copied from interface: NamedExpression
  
  Get the name.
  
  Returns:
  
  the name in uppercase
- isDeterministic
  
  public boolean isDeterministic()
  
  Description copied from class: TableFunction
  
  Whether the function always returns the same result for the same parameters.
  
  Specified by:
  
  isDeterministic in class TableFunction
  
  Returns:
  
  true if it does