List of selectScalarExpression() Examples

Examples of selectScalarExpression()

org.datanucleus.store.mapped.expression.QueryExpression.selectScalarExpression()
select an expression; eg: "'Text' as alias" @param expr The expression to add to the select statement @return The index of the expression in the select
org.jpox.store.mapped.expression.QueryExpression.selectScalarExpression()
select an expression; eg: "'Text' as alias" @param expr The expression to add to the select statement @return The index of the expression in the select

Examples of org.datanucleus.store.mapped.expression.QueryExpression.selectScalarExpression()


        // Select COUNT(*)
        JavaTypeMapping m = storeMgr.getMappingManager().getMapping(String.class);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        // TODO This needs to restrict the discriminator also where it is present (see sizeStmt)


        return stmt;
    }

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Examples of org.datanucleus.store.mapped.expression.QueryExpression.selectScalarExpression()

            discrimTableExpr = stmt.getTableExpression(candidateTableIdentifier);


            if (hasDiscriminator && selectDiscriminator)
            {
                // Select the discriminator column so we can process the ResultSet
                stmt.selectScalarExpression(candidateTable.getDiscriminatorMapping(true).newScalarExpression(stmt, candidateTableExpression));
            }
        }
        else
        {
            // Select the candidate table

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Examples of org.datanucleus.store.mapped.expression.QueryExpression.selectScalarExpression()


        // Select COUNT(*)
        JavaTypeMapping m = storeMgr.getMappingManager().getMapping(String.class);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        return stmt;
    }


    /**

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Examples of org.datanucleus.store.mapped.expression.QueryExpression.selectScalarExpression()


        // Select COUNT(*)
        JavaTypeMapping m = storeMgr.getMappingManager().getMapping(String.class);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        return stmt;
    }
}

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

            RDBMSStoreData schemaDataOption = (RDBMSStoreData)optionsIter.next();
            ClassMetaData cmd = (ClassMetaData)schemaDataOption.getMetaData();


            QueryExpression qs = storeMgr.getDatastoreAdapter().newQueryStatement(schemaDataOption.getDatastoreContainerObject(), om.getClassLoaderResolver());
            String classname = StringUtils.leftAlignedPaddedString(schemaDataOption.getName(), metadata_id_len);
            qs.selectScalarExpression(new MetaDataStringLiteral(qs,classname));


            // LEFT OUTER JOIN to all direct subclasses
            Iterator subclass_iter = storeMgr.getSubClassesForClass(schemaDataOption.getName(),false, om.getClassLoaderResolver()).iterator();
            int subclasses_seq_id = 0;
            while (subclass_iter.hasNext())

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


        // Select COUNT(*)
        JavaTypeMapping m = dba.getMapping(String.class, storeMgr);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        // TODO This needs to restrict the discriminator also where it is present (see sizeStmt)


        return stmt;
    }

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

            discrimTableExpr = stmt.getTableExpression(candidateTableIdentifier);


            if (hasDiscriminator && selectDiscriminator)
            {
                // Select the discriminator column so we can process the ResultSet
                stmt.selectScalarExpression(candidateTable.getDiscriminatorMapping(true).newScalarExpression(stmt, candidateTableExpression));
            }
        }
        else
        {
            // Select the candidate table

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


        // Select COUNT(*)
        JavaTypeMapping m = dba.getMapping(String.class, storeMgr);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        return stmt;
    }


    /**

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

                stmt.getTableExpression(listTableAlias));
            ScalarExpression elmExpr = elementTableID.newScalarExpression(stmt, elementTblExpr);
            stmt.innerJoin(elmExpr, elmListExpr, elementTblExpr, true, true);


            // Select the ID of the element table
            stmt.selectScalarExpression(elementTableID.newScalarExpression(stmt, elementTblExpr));
        }


        return stmt;
    }

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


        // Select COUNT(*)
        JavaTypeMapping m = dba.getMapping(String.class, storeMgr);
        StringLiteral lit = (StringLiteral)m.newLiteral(stmt, "COUNT(*)");
        lit.generateStatementWithoutQuotes();
        stmt.selectScalarExpression(lit);


        return stmt;
    }    
}

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