Java Doc for Prepared.java in  » Database-DBMS » h2database » org » h2 » command » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.command   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.h2.command.Prepared All known Subclasses:   org.h2.command.dml.NoOperation,  org.h2.command.dml.Set,  org.h2.command.dml.Update,  org.h2.command.dml.Delete,  org.h2.command.dml.Query,  org.h2.command.ddl.DefineCommand,  org.h2.command.dml.Call,  org.h2.command.dml.BackupCommand,  org.h2.command.dml.Merge,  org.h2.command.dml.TransactionCommand,  org.h2.command.dml.ExecuteProcedure,  org.h2.command.dml.ExplainPlan,  org.h2.command.dml.Insert,  org.h2.command.dml.ScriptBase, Prepared abstract public class Prepared (Code) A prepared statement. Field Summary protected  int headPos      The position of the head record (used for indexes). protected  ObjectArray parameters      The list of parameters. protected  boolean prepareAlways      If the query should be prepared before each execution. protected  Session session      The session. protected  String sql      The SQL string. Constructor Summary public   Prepared(Session session)      Create a new object. Method Summary public  void checkCancelled()      Check if this statement was cancelled. protected  void checkParameters()      public  int getCurrentRowNumber()      Get the current row number.  long getModificationMetaId()      Get the meta data modification id of the database when this statement was compiled. protected  int getObjectId(boolean needFresh, boolean dataFile)      public  ObjectArray getParameters()      Get the parameter list. public  String getPlanSQL()      Get the SQL statement with the execution plan. public  String getSQL()      Get the SQL statement. public  boolean isQuery()      Check if this object is a query. public  boolean isReadOnly()      Check if this command is read only. abstract public  boolean isTransactional()      Check if this command is transactional. public  boolean needRecompile()      Check if the statement needs to be re-compiled. public  void prepare()      Prepare this statement. public  LocalResult query(int maxrows)      Execute the query. abstract public  LocalResult queryMeta()      Get an empty result set containing the meta data. public  void setCommand(Command command)      Set the command. protected  void setCurrentRowNumber(int rowNumber)      Set the current row number. public  void setHeadPos(int headPos)      Set the head position.  void setModificationMetaId(long id)      Set the meta data modification id of this statement. public  void setObjectId(int i)      Set the object id for this statement. public  void setParameterList(ObjectArray parameters)      Set the parameter list of this statement. public  void setPrepareAlways(boolean prepareAlways)      Set the prepare always flag. public  void setSQL(String sql)      Set the SQL statement. public  void setSession(Session currentSession)      Set the session for this statement. public  String toString()      Convert the statement to a String.  void trace()      public  int update()      Execute the statement. Field Detail headPos protected int headPos(Code) The position of the head record (used for indexes). parameters protected ObjectArray parameters(Code) The list of parameters. prepareAlways protected boolean prepareAlways(Code) If the query should be prepared before each execution. This is set for queries with LIKE ?, because the query plan depends on the parameter value. session protected Session session(Code) The session. sql protected String sql(Code) The SQL string. Constructor Detail Prepared public Prepared(Session session)(Code) Create a new object. Parameters:   session - the session Method Detail checkCancelled public void checkCancelled() throws SQLException(Code) Check if this statement was cancelled. throws:   SQLException - if it was cancelled checkParameters protected void checkParameters() throws SQLException(Code) getCurrentRowNumber public int getCurrentRowNumber()(Code) Get the current row number. the row number getModificationMetaId long getModificationMetaId()(Code) Get the meta data modification id of the database when this statement was compiled. the meta data modification id getObjectId protected int getObjectId(boolean needFresh, boolean dataFile)(Code) getParameters public ObjectArray getParameters()(Code) Get the parameter list. the parameter list getPlanSQL public String getPlanSQL()(Code) Get the SQL statement with the execution plan. the execution plan getSQL public String getSQL()(Code) Get the SQL statement. the SQL statement isQuery public boolean isQuery()(Code) Check if this object is a query. true if it is isReadOnly public boolean isReadOnly()(Code) Check if this command is read only. true if it is isTransactional abstract public boolean isTransactional()(Code) Check if this command is transactional. If it is not, then it forces the current transaction to commit. true if it is needRecompile public boolean needRecompile() throws SQLException(Code) Check if the statement needs to be re-compiled. true if it must prepare public void prepare() throws SQLException(Code) Prepare this statement. query public LocalResult query(int maxrows) throws SQLException(Code) Execute the query. Parameters:   maxrows - the maximum number of rows to return the result set throws:   SQLException - if it is not a query queryMeta abstract public LocalResult queryMeta() throws SQLException(Code) Get an empty result set containing the meta data. an empty result set setCommand public void setCommand(Command command)(Code) Set the command. Parameters:   command - the new command setCurrentRowNumber protected void setCurrentRowNumber(int rowNumber)(Code) Set the current row number. Parameters:   rowNumber - the row number setHeadPos public void setHeadPos(int headPos)(Code) Set the head position. Parameters:   headPos - the head position setModificationMetaId void setModificationMetaId(long id)(Code) Set the meta data modification id of this statement. Parameters:   id - the new id setObjectId public void setObjectId(int i)(Code) Set the object id for this statement. Parameters:   i - the object id setParameterList public void setParameterList(ObjectArray parameters)(Code) Set the parameter list of this statement. Parameters:   parameters - the parameter list setPrepareAlways public void setPrepareAlways(boolean prepareAlways)(Code) Set the prepare always flag. If set, the statement is re-compiled whenever it is executed. Parameters:   prepareAlways - the new value setSQL public void setSQL(String sql)(Code) Set the SQL statement. Parameters:   sql - the SQL statement setSession public void setSession(Session currentSession)(Code) Set the session for this statement. Parameters:   currentSession - the new session toString public String toString()(Code) Convert the statement to a String. the SQL statement trace void trace() throws SQLException(Code) update public int update() throws SQLException(Code) Execute the statement. the update count throws:   SQLException - if it is a query Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)