Examples of org.jpox.store.mapped.expression.QueryExpression.select()

Package org.jpox.store.mapped.expression

Class org.jpox.store.mapped.expression.QueryExpression

Examples of org.jpox.store.mapped.expression.QueryExpression.select()

org.jpox.store.mapped.expression.QueryExpression.select()
Select the columns for a mapping @param mapping The mapping @return The index of the columns in the select

        if (elementsAreEmbedded || elementsAreSerialised)
        {
            // Element = embedded/serialised
            // Just select the join table since we're going to return the embedded/serialised columns from it
            stmt = dba.newQueryStatement(containerTable, clr);
            stmt.select(elementMapping);
        }
        else if (elementMapping instanceof ReferenceMapping)
        {
            // Element = Reference type (interface/Object)
            // Just select the join table since we're going to return the implementation id columns only

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        stmt.andCondition(ownerExpr.eq(ownerVal), true);


        if (storeMgr.getOMFContext().getTypeManager().isSupportedType(candidateClass))
        {
            // Non-PC(embedded) - select the join table element
            stmt.select(listTableAlias, elementMapping);
        }
        else
        {
            // PC
            DatastoreClass candidateTable = storeMgr.getDatastoreClass(candidateClass, clr);

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        final ClassLoaderResolver clr = ownerSM.getObjectManager().getClassLoaderResolver();
        if (elementsAreEmbedded || elementsAreSerialised)
        {
            // Element = Non-PC
            stmt = dba.newQueryStatement(containerTable, clr);
            stmt.select(elementMapping);
        }
        else if (elementMapping instanceof ReferenceMapping)
        {
            // Element = Reference type (interface/Object)
            // Just select the join table since we're going to return the implementation id columns only

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        ScalarExpression ownerExpr = ownerMapping.newScalarExpression(stmt, stmt.getMainTableExpression());
        ScalarExpression ownerVal = ownerMapping.newLiteral(stmt, sm.getObject());
        stmt.andCondition(ownerExpr.eq(ownerVal));


        // Select the value table ID mapping
        stmt.select(valueMapping);


        return stmt;
    }


    /**

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        // Join for the owner
        ScalarExpression ownerExpr = mapping.newScalarExpression(stmt, ownerTe);
        ScalarExpression ownerInCollectionExpr = ownerMapping.newScalarExpression(stmt, stmt.getTableExpression(arrayTableAlias));
        stmt.andCondition(ownerExpr.eq(ownerInCollectionExpr));


        stmt.select(arrayTableAlias, elementMapping);


        return stmt;
    }
    
    /**

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        {
            // Element = embedded, serialised
            // Just select the join table since we're going to return the embedded/serialised columns from it
            stmt = dba.newQueryStatement(containerTable, clr);
            stmt = dba.newQueryStatement(containerTable, clr);
            stmt.select(elementMapping);
        }
        else if (elementMapping instanceof ReferenceMapping)
        {
            // Element = Reference type (interface/Object)
            // Just select the join table since we're going to return the implementation id columns only

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         * it here.
         */
        if (storeMgr.getOMFContext().getTypeManager().isSupportedType(candidateClass))
        {
            // Non-PC(embedded) - select the join table element
            stmt.select(setTableAlias, elementMapping);
        }
        else
        {
            // PC
            DatastoreClass candidateTable = storeMgr.getDatastoreClass(candidateClass, clr);

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