Package org.hibernate.engine.spi

Examples of org.hibernate.engine.spi.RowSelection

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                       queryParameters.getRowSelection().definesLimits();
    boolean needsLimit = hasLimit && translators.length > 1;
    QueryParameters queryParametersToUse;
    if ( needsLimit ) {
      LOG.needsLimit();
      RowSelection selection = new RowSelection();
      selection.setFetchSize( queryParameters.getRowSelection().getFetchSize() );
      selection.setTimeout( queryParameters.getRowSelection().getTimeout() );
      queryParametersToUse = queryParameters.createCopyUsing( selection );
    }
    else {
      queryParametersToUse = queryParameters;
    }
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          FlushMode flushMode,
          SessionImplementor session,
          ParameterMetadata parameterMetadata) {
    this.session = session;
    this.queryString = queryString;
    this.selection = new RowSelection();
    this.flushMode = flushMode;
    this.cacheMode = null;
    this.parameterMetadata = parameterMetadata;
  }
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      final SessionImplementor session,
      final QueryParameters queryParameters,
      final boolean returnProxies,
      final ResultTransformer forcedResultTransformer) throws SQLException, HibernateException {

    final RowSelection selection = queryParameters.getRowSelection();
    final int maxRows = hasMaxRows( selection ) ?
        selection.getMaxRows() :
        Integer.MAX_VALUE;

    final int entitySpan = getEntityPersisters().length;

    final ArrayList hydratedObjects = entitySpan == 0 ? null : new ArrayList( entitySpan * 10 );
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          final SessionImplementor session) throws SQLException, HibernateException {

    queryParameters.processFilters( getSQLString(), session );
    String sql = queryParameters.getFilteredSQL();
    final Dialect dialect = getFactory().getDialect();
    final RowSelection selection = queryParameters.getRowSelection();
    boolean useLimit = useLimit( selection, dialect );
    boolean hasFirstRow = getFirstRow( selection ) > 0;
    boolean useLimitOffset = hasFirstRow && useLimit && dialect.supportsLimitOffset();
    boolean callable = queryParameters.isCallable();
    final ScrollMode scrollMode = getScrollMode( scroll, hasFirstRow, useLimitOffset, queryParameters );

    if ( useLimit ) {
      sql = dialect.getLimitString(
          sql.trim(), //use of trim() here is ugly?
          useLimitOffset ? getFirstRow(selection) : 0,
          getMaxOrLimit(selection, dialect)
        );
    }

    sql = preprocessSQL( sql, queryParameters, dialect );

    PreparedStatement st = session.getTransactionCoordinator().getJdbcCoordinator().getStatementPreparer().prepareQueryStatement(
        sql,
        callable,
        scrollMode
    );

    try {

      int col = 1;
      //TODO: can we limit stored procedures ?!
      if ( useLimit && dialect.bindLimitParametersFirst() ) {
        col += bindLimitParameters( st, col, selection );
      }
      if (callable) {
        col = dialect.registerResultSetOutParameter( (CallableStatement)st, col );
      }

      col += bindParameterValues( st, queryParameters, col, session );

      if ( useLimit && !dialect.bindLimitParametersFirst() ) {
        col += bindLimitParameters( st, col, selection );
      }

      if ( !useLimit ) {
        setMaxRows( st, selection );
      }

      if ( selection != null ) {
        if ( selection.getTimeout() != null ) {
          st.setQueryTimeout( selection.getTimeout() );
        }
        if ( selection.getFetchSize() != null ) {
          st.setFetchSize( selection.getFetchSize() );
        }
      }

      // handle lock timeout...
      LockOptions lockOptions = queryParameters.getLockOptions();
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    boolean needsDistincting = ( query.getSelectClause().isDistinct() || hasLimit ) && containsCollectionFetches();

    QueryParameters queryParametersToUse;
    if ( hasLimit && containsCollectionFetches() ) {
      LOG.firstOrMaxResultsSpecifiedWithCollectionFetch();
      RowSelection selection = new RowSelection();
      selection.setFetchSize( queryParameters.getRowSelection().getFetchSize() );
      selection.setTimeout( queryParameters.getRowSelection().getTimeout() );
      queryParametersToUse = queryParameters.createCopyUsing( selection );
    }
    else {
      queryParametersToUse = queryParameters;
    }
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          FlushMode flushMode,
          SessionImplementor session,
          ParameterMetadata parameterMetadata) {
    this.session = session;
    this.queryString = queryString;
    this.selection = new RowSelection();
    this.flushMode = flushMode;
    this.cacheMode = null;
    this.parameterMetadata = parameterMetadata;
  }
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      LOG.debug( "Done batch load" );

    }

    private void doTheLoad(String sql, QueryParameters queryParameters, SessionImplementor session) throws SQLException {
      final RowSelection selection = queryParameters.getRowSelection();
      final int maxRows = LimitHelper.hasMaxRows( selection ) ?
          selection.getMaxRows() :
          Integer.MAX_VALUE;

      final List<AfterLoadAction> afterLoadActions = Collections.emptyList();
      final SqlStatementWrapper wrapper = executeQueryStatement( sql, queryParameters, false, afterLoadActions, session );
      final ResultSet rs = wrapper.getResultSet();
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      final SessionImplementor session,
      final QueryParameters queryParameters,
      final boolean returnProxies,
      final ResultTransformer forcedResultTransformer) throws SQLException, HibernateException {

    final RowSelection selection = queryParameters.getRowSelection();
    final int maxRows = LimitHelper.hasMaxRows( selection ) ?
        selection.getMaxRows() :
        Integer.MAX_VALUE;

    final List<AfterLoadAction> afterLoadActions = new ArrayList<AfterLoadAction>();

    final SqlStatementWrapper wrapper = executeQueryStatement( queryParameters, false, afterLoadActions, session );
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          final QueryParameters queryParameters,
          final LimitHandler limitHandler,
          final boolean scroll,
          final SessionImplementor session) throws SQLException, HibernateException {
    final Dialect dialect = getFactory().getDialect();
    final RowSelection selection = queryParameters.getRowSelection();
    boolean useLimit = LimitHelper.useLimit( limitHandler, selection );
    boolean hasFirstRow = LimitHelper.hasFirstRow( selection );
    boolean useLimitOffset = hasFirstRow && useLimit && limitHandler.supportsLimitOffset();
    boolean callable = queryParameters.isCallable();
    final ScrollMode scrollMode = getScrollMode( scroll, hasFirstRow, useLimitOffset, queryParameters );

    PreparedStatement st = session.getTransactionCoordinator().getJdbcCoordinator().getStatementPreparer().prepareQueryStatement(
        sql,
        callable,
        scrollMode
    );

    try {

      int col = 1;
      //TODO: can we limit stored procedures ?!
      col += limitHandler.bindLimitParametersAtStartOfQuery( st, col );

      if (callable) {
        col = dialect.registerResultSetOutParameter( (CallableStatement)st, col );
      }

      col += bindParameterValues( st, queryParameters, col, session );

      col += limitHandler.bindLimitParametersAtEndOfQuery( st, col );

      limitHandler.setMaxRows( st );

      if ( selection != null ) {
        if ( selection.getTimeout() != null ) {
          st.setQueryTimeout( selection.getTimeout() );
        }
        if ( selection.getFetchSize() != null ) {
          st.setFetchSize( selection.getFetchSize() );
        }
      }

      // handle lock timeout...
      LockOptions lockOptions = queryParameters.getLockOptions();
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        );
      }
    }

    // decode row selection...
    final RowSelection selection = queryParameters.getRowSelection();
    final Integer firstRow;
    final Integer maxRows;
    if ( selection != null ) {
      firstRow = selection.getFirstRow();
      maxRows = selection.getMaxRows();
    }
    else {
      firstRow = null;
      maxRows = null;
    }
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Related Classes of org.hibernate.engine.spi.RowSelection

  • org.hibernate.cache.spi.QueryKey
  • org.hibernate.engine.query.spi.HQLQueryPlan
  • org.hibernate.hql.internal.ast.exec.BasicExecutor
  • org.hibernate.hql.internal.ast.QueryTranslatorImpl
  • org.hibernate.internal.AbstractQueryImpl
  • org.hibernate.loader.collection.DynamicBatchingCollectionInitializerBuilder$DynamicBatchingCollectionLoader
  • org.hibernate.loader.criteria.CriteriaQueryTranslator
  • org.hibernate.loader.entity.DynamicBatchingEntityLoaderBuilder$DynamicEntityLoader
  • org.hibernate.loader.entity.plan.AbstractLoadPlanBasedEntityLoader
  • org.hibernate.loader.internal.ResultSetProcessorImpl
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