Package org.hibernate.engine.internal

Examples of org.hibernate.engine.internal.JoinSequence$Selector

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      collectionTableAlias = elem.getCollectionTableAlias();
    }

    // TODO: get SQL rendering out of here, create an AST for the join expressions.
    // Use the SQL generator grammar to generate the SQL text for the index expression.
    JoinSequence joinSequence = fromElement.getJoinSequence();
    String[] indexCols = queryableCollection.getIndexColumnNames();
    if ( indexCols.length != 1 ) {
      throw new QueryException( "composite-index appears in []: " + collectionNode.getPath() );
    }
    SqlGenerator gen = new SqlGenerator( getSessionFactoryHelper().getFactory() );
    try {
      gen.simpleExpr( selector ); //TODO: used to be exprNoParens! was this needed?
    }
    catch (RecognitionException e) {
      throw new QueryException( e.getMessage(), e );
    }
    String selectorExpression = gen.getSQL();
    joinSequence.addCondition( collectionTableAlias + '.' + indexCols[0] + " = " + selectorExpression );
    List<ParameterSpecification> paramSpecs = gen.getCollectedParameters();
    if ( paramSpecs != null ) {
      switch ( paramSpecs.size() ) {
        case 0:
          // nothing to do
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            final FromElementFactory fromElementFactory = new FromElementFactory(
                fromClause, origin,
                attributeName, classAlias, columns, false
            );
            final JoinSequence joinSequence = walker.getSessionFactoryHelper().createJoinSequence(
                false, entityType, tableAlias, JoinType.LEFT_OUTER_JOIN, columns
            );
            fromElement = fromElementFactory.createEntityJoin(
                entityType.getAssociatedEntityName(),
                tableAlias,
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    if ( alias != null ) {
      reset( q ); //reset the dotcount (but not the path)
      currentName = alias; //after reset!
      currentPropertyMapping = q.getPropertyMapping( currentName );
      if ( !ignoreInitialJoin ) {
        JoinSequence ojf = q.getPathJoin( path.toString() );
        try {
          joinSequence.addCondition( ojf.toJoinFragment( q.getEnabledFilters(), true ).toWhereFragmentString() ); //after reset!
        }
        catch ( MappingException me ) {
          throw new QueryException( me );
        }
        // we don't need to worry about any condition in the ON clause
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  public void start(QueryTranslatorImpl q) {
    if ( !continuation ) {
      reset( q );
      path.setLength( 0 );
      joinSequence = new JoinSequence( q.getFactory() ).setUseThetaStyle( useThetaStyleJoin );
    }
  }
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    if ( !collPersister.hasIndex() ) throw new QueryException( "unindexed collection before []: " + path );
    String[] indexCols = collPersister.getIndexColumnNames();
    if ( indexCols.length != 1 ) throw new QueryException( "composite-index appears in []: " + path );
    //String[] keyCols = collPersister.getKeyColumnNames();

    JoinSequence fromJoins = new JoinSequence( q.getFactory() )
        .setUseThetaStyle( useThetaStyleJoin )
        .setRoot( collPersister, collectionName )
        .setNext( joinSequence.copy() );

    if ( !continuation ) addJoin( collectionName, collPersister.getCollectionType() );
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  }

  FromElement createCollectionElementsJoin(
      QueryableCollection queryableCollection,
      String collectionName) throws SemanticException {
    JoinSequence collectionJoinSequence = fromClause.getSessionFactoryHelper()
        .createCollectionJoinSequence( queryableCollection, collectionName );
    this.queryableCollection = queryableCollection;
    return createCollectionJoin( collectionJoinSequence, null );
  }
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      // A collection of entities...
      elem = createEntityAssociation( role, roleAlias, joinType );
    }
    else if ( elementType.isComponentType() ) {
      // A collection of components...
      JoinSequence joinSequence = createJoinSequence( roleAlias, joinType );
      elem = createCollectionJoin( joinSequence, roleAlias );
    }
    else {
      // A collection of scalar elements...
      JoinSequence joinSequence = createJoinSequence( roleAlias, joinType );
      elem = createCollectionJoin( joinSequence, roleAlias );
    }

    elem.setRole( role );
    elem.setQueryableCollection( queryableCollection );
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    String[] targetColumns = sfh.getCollectionElementColumns( role, roleAlias );
    AssociationType elementAssociationType = sfh.getElementAssociationType( type );

    // Create the join element under the from element.
    JoinType joinType = JoinType.INNER_JOIN;
    JoinSequence joinSequence = sfh.createJoinSequence(
        implied,
        elementAssociationType,
        tableAlias,
        joinType,
        targetColumns
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          "createEntityAssociation() : One to many - path = %s role = %s associatedEntityName = %s",
          path,
          role,
          associatedEntityName
      );
      JoinSequence joinSequence = createJoinSequence( roleAlias, joinType );

      elem = createJoin(
          associatedEntityName,
          roleAlias,
          joinSequence,
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      JoinType joinType) throws SemanticException {
    FromElement elem;
    SessionFactoryHelper sfh = fromClause.getSessionFactoryHelper();
    if ( inElementsFunction /*implied*/ ) {
      // For implied many-to-many, just add the end join.
      JoinSequence joinSequence = createJoinSequence( roleAlias, joinType );
      elem = createJoin( associatedEntityName, roleAlias, joinSequence, type, true );
    }
    else {
      // For an explicit many-to-many relationship, add a second join from the intermediate
      // (many-to-many) table to the destination table.  Also, make sure that the from element's
      // idea of the destination is the destination table.
      String tableAlias = fromClause.getAliasGenerator().createName( entityPersister.getEntityName() );
      String[] secondJoinColumns = sfh.getCollectionElementColumns( role, roleAlias );
      // Add the second join, the one that ends in the destination table.
      JoinSequence joinSequence = createJoinSequence( roleAlias, joinType );
      joinSequence.addJoin(
          sfh.getElementAssociationType( collectionType ),
          tableAlias,
          joinType,
          secondJoinColumns
      );
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