Package org.h2.command.dml
Class NoOperation
java.lang.Object
org.h2.command.Prepared
org.h2.command.dml.NoOperation
Represents an empty statement or a statement that has no effect.
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Field Summary
Fields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
getType()
Get the command type as defined in CommandInterfaceboolean
Check if this command is read only.boolean
Check if this command is transactional.boolean
Check if the statement needs to be re-compiled.Get an empty result set containing the meta data.long
update()
Execute the statement.Methods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, isCacheable, isQuery, prepare, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString
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Constructor Details
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NoOperation
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Method Details
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update
public long update()Description copied from class:Prepared
Execute the statement. -
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 classPrepared
- Returns:
- true if it is
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needRecompile
public boolean needRecompile()Description copied from class:Prepared
Check if the statement needs to be re-compiled.- Overrides:
needRecompile
in classPrepared
- Returns:
- true if it must
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isReadOnly
public boolean isReadOnly()Description copied from class:Prepared
Check if this command is read only.- Overrides:
isReadOnly
in classPrepared
- Returns:
- true if it is
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queryMeta
Description copied from class:Prepared
Get an empty result set containing the meta data. -
getType
public int getType()Description copied from class:Prepared
Get the command type as defined in CommandInterface
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