DefineCommand

java.lang.Object

org.h2.command.Prepared

org.h2.command.ddl.DefineCommand

Direct Known Subclasses:: AlterIndexRename, AlterSchemaRename, AlterUser, AlterView, Analyze, CreateRole, CreateSchema, CreateUser, DeallocateProcedure, DropDatabase, DropRole, DropSchema, DropTable, DropUser, GrantRevoke, PrepareProcedure, SchemaCommand, SetComment, TruncateTable

public abstract class DefineCommand extends Prepared

This class represents a non-transaction statement, for example a CREATE or DROP.

Field Summary

Fields

Modifier and Type

Field

Description

protected boolean

transactional

The transactional behavior.

Fields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
Method Summary

Modifier and Type

Method

Description

boolean

isReadOnly()

Check if this command is read only.

boolean

isRetryable()

Returns is this command can be repeated again on locking failure.

boolean

isTransactional()

Check if this command is transactional.

ResultInterface

queryMeta()

Get an empty result set containing the meta data.

void

setTransactional(boolean transactional)

Methods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCurrentRowNumber, getDatabase, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, getType, isCacheable, isQuery, isWithParamValues, needRecompile, prepare, query, setCommand, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString, update

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

Field Details
- transactional
  
  protected boolean transactional
  
  The transactional behavior. The default is disabled, meaning the command commits an open transaction.
Method Details
- isReadOnly
  
  public boolean isReadOnly()
  
  Description copied from class: Prepared
  
  Check if this command is read only.
  
  Overrides:
  
  isReadOnly in class Prepared
  
  Returns:
  
  true if it is
- queryMeta
  
  public ResultInterface queryMeta()
  
  Description copied from class: Prepared
  
  Get an empty result set containing the meta data.
  
  Specified by:
  
  queryMeta in class Prepared
  
  Returns:
  
  the result set
- setTransactional
  
  public void setTransactional(boolean transactional)
- isTransactional
  
  public boolean isTransactional()
  
  Description copied from class: Prepared
  
  Check if this command is transactional. If it is not, then it forces the current transaction to commit.
  
  Specified by:
  
  isTransactional in class Prepared
  
  Returns:
  
  true if it is
- isRetryable
  
  public boolean isRetryable()
  
  Description copied from class: Prepared
  
  Returns is this command can be repeated again on locking failure.
  
  Overrides:
  
  isRetryable in class Prepared
  
  Returns:
  
  is this command can be repeated again on locking failure