Package org.eclipse.persistence.queries

Examples of org.eclipse.persistence.queries.ReportQuery.addItem()

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    public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
        ParseTreeContext context = generationContext.getParseTreeContext();
        if (theQuery instanceof ReportQuery) {
            ReportQuery reportQuery = (ReportQuery)theQuery;
            Expression expression = generateExpression(generationContext);
            reportQuery.addItem("Coalesce", expression);
        }
    }
   
    /**
     * INTERNAL
 
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            Expression expr = item.getAttributeExpression();
            reportQuery.addNonFetchJoinedAttribute(expr);
        }
        reportQuery.clearItems();
        Expression one = new ConstantExpression(new Integer(1), new ExpressionBuilder());
        reportQuery.addItem("one", one);
        reportQuery.dontUseDistinct();
        Expression expr = context.getBaseExpression();
        return notIndicated() ? expr.notExists(reportQuery) :
            expr.exists(reportQuery);
    }
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    }

    subquery.clearItems();

    Expression one = new ConstantExpression(1, new ExpressionBuilder());
    subquery.addItem("one", one);
    subquery.dontUseDistinct();

    // Now create the EXISTS expression
    queryExpression = queryContext.getBaseExpression();
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                SubSelectExpression subSelectExp = (SubSelectExpression)this.children.get(1);
                ReportQuery subQuery = subSelectExp.getSubQuery();
               
                // some db (derby) require that in EXIST(SELECT...) subquery returns a single column
                subQuery.getItems().clear();
                subQuery.addItem("one", new ConstantExpression(Integer.valueOf(1), subQuery.getExpressionBuilder()));
               
                Expression subSelectCriteria = subQuery.getSelectionCriteria();
                ExpressionBuilder subBuilder = subQuery.getExpressionBuilder();
                Expression newExp;
                // Any or Some
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     */
    public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
        if (theQuery instanceof ReportQuery) {
            ReportQuery reportQuery = (ReportQuery)theQuery;
            Expression expression = generateExpression(generationContext);
            reportQuery.addItem(left.resolveAttribute() + "MapKey", expression);
        }
    }
   
    /**
     * INTERNAL
 
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            Expression expr = item.getAttributeExpression();
            reportQuery.addNonFetchJoinedAttribute(expr);
        }
        reportQuery.clearItems();
        Expression one = new ConstantExpression(Integer.valueOf(1), new ExpressionBuilder());
        reportQuery.addItem("one", one);
        reportQuery.dontUseDistinct();
        Expression expr = context.getBaseExpression();
        return notIndicated() ? expr.notExists(reportQuery) :
            expr.exists(reportQuery);
    }
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     */
    public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
        if (theQuery instanceof ReportQuery) {
            ReportQuery reportQuery = (ReportQuery)theQuery;
            Expression expression = generateExpression(generationContext);
            reportQuery.addItem("NullIf(" + getLeft().getAsString() + "," + getRight().getAsString() + ")", expression);
        }
    }
   
    /**
     * INTERNAL
 
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     */
    public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
        if (theQuery instanceof ReportQuery) {
            ReportQuery reportQuery = (ReportQuery)theQuery;
            Expression expression = generateExpression(generationContext);
            reportQuery.addItem(left.resolveAttribute() + " MapEntry", expression);
        }
    }
   
    /**
     * INTERNAL
 
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     */
    public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
        if (theQuery instanceof ReportQuery) {
            ReportQuery reportQuery = (ReportQuery)theQuery;
            Expression expression = generateExpression(generationContext);
            reportQuery.addItem("Coalesce", expression);
        }
    }
   
    /**
     * INTERNAL
 
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    }

    subquery.clearItems();

    Expression one = new ConstantExpression(1, new ExpressionBuilder());
    subquery.addItem("one", one);
    subquery.dontUseDistinct();

    // Now create the EXISTS expression
    queryExpression = queryContext.getBaseExpression();
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