If I have two files joined:
bsypemp
firstName
LastName
deptno
bprppcp
deptno
deptName
I want to list in my table:
firstName
LastName
deptName
I want to search on
firstName
LastName
deptName
as long as I do not reference the deptName, my table loads fine.
What am I doing wrong?
Regards,
Frank
----- Original Message -----
From: "Mike Kienenberger" <mkienen..mail.com>
To: <use..ayenne.apache.org>
Sent: Tuesday, February 27, 2007 10:29 AM
Subject: Re: How do I query a joined table in cayenne?
> Are you just trying to find an object by the property on a related object?
>
> ExpressionFactory.matchExp(Contact.PRIMARY_CONTACT_NAME_PROPERTY + "."
> + ContactName.FIRST_NAME_PROPERTY, firstName)
>
> For example, if you're trying to find an employee by department name,
>
> ExpressionFactory.matchExp(Employee.DEPARTMENT_PROPERTY + "." +
> Department.NAME_PROPERTY, targetDepartmentName)
>
> You can chain together as many relationships as you like, but be aware
> of potential outer join issues if there's any chance that one of the
> relationships may be null.
>
> For example, here's a fun one that operates on two different kinds of
> entities, with parts of the expression path being built conditionally:
>
> ===========================================================
> String pathToFeePrefix;
> String pathToFeePaymentHistoryPrefix;
> Class searchEntityClass;
> if (searchByFeeInsteadOfFeePaymentReceipt)
> {
> pathToFeePrefix = "";
> pathToFeePaymentHistoryPrefix =
> Fee.FEE_PAYMENT_RECEIPT_LIST_PROPERTY + ".";
> searchEntityClass =
> com.gvea.eng_work_mgmt.entity.cayenne.Fee.class;
> }
> else
> {
> pathToFeePrefix = FeePaymentReceipt.FEE_PROPERTY + ".";
> pathToFeePaymentHistoryPrefix = "";
> searchEntityClass =
> com.gvea.eng_work_mgmt.entity.cayenne.FeePaymentReceipt.class;
> }
>
>
> [... one example usage...]
>
>
> oredExpressionList.add(ExpressionFactory.matchExp(pathToFeePrefix +
> Fee.FEE_CYCLE_PROPERTY + "."
> + FeeCycle.INITIAL_AUTHORIZATION_DOCUMENT_PROPERTY + "."
> +
> AuthorizationDocument.DEPENDENT_PERMIT_DOCUMENT_PROPERTY + "."
> + PermitDocument.AGENCY_PROPERTY, agency));
> ===========================================================
>
>
> On 2/26/07, Frank <farocc..otmail.com> wrote:
>> Hi Mike,
>>
>> Here is my orginal jdbc version of select
>>
>> String sql = "SELECT BSYDTAA.BSYPEMP.EMHSP# AS HSP,
>> BSYDTAA.BSYPEMP.EMYLNM,
>> BSYDTAA.BSYPEMP.EMYFNM, BSYDTAC.BPRPPCP.PCDEP4, BSYDTAC.BPRPPCP.PCLDDS,
>> BSYDTAA.BSYPEMP.EMEMP# AS EMEMP, BSYDTAA.BSYPEMP.EMWPH# AS WPHONE,
>> BSYDTAA.BSYPEMP.EMSCH, BSYDTAA.BSYPEMP.EMOTSH FROM BSYDTAA.BSYPEMP,
>> BSYDTAC.BPRPPCP WHERE BSYDTAA.BSYPEMP.EMHSP# = BSYDTAC.BPRPPCP.PCHSP# AND
>> BSYDTAA.BSYPEMP.EMDEP4 = BSYDTAC.BPRPPCP.PCDEP4 AND
>> (BSYDTAA.BSYPEMP.EMHSP#
>> IN (1,5)) AND (BSYDTAA.BSYPEMP.EMDOT=0)";
>> sql += " AND EMYLNM like ?";
>> sql += " AND EMYFNM like ?";
>> sql += " AND PCLDDS like ?";
>> sql += " AND PCDEP4 like ?";
>> sql += " ORDER BY EMYLNM";
>>
>> I can just do this:
>> rs = pstmt.executeQuery();
>> rs.getString("PCLDDS");
>> to get the department name.
>>
>> In Cayenne I do not understand how to limit records by department name
>> Integer[] hspArray = {new Integer(1), new Integer(5)};
>> Expression e =
>> ExpressionFactory.inDbExp(Bsypemp.EMHSPPOUND_PK_COLUMN,
>> hspArray);
>> e =
>> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.EMYLNM_PROPERTY,
>> lname
>> +"%"));
>> e =
>> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.EMYFNM_PROPERTY,
>> fname
>> +"%"));
>> // I'm lost here e =
>> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.class.DEPARTMENTS_PROPERTY,
>> pcldds
>> // +"%"));
>>
>> SelectQuery query = new SelectQuery(Bsypemp.class,e);
>> List records = context.performQuery(query);
>>
>> Thanks
>> Frank
>> ----- Original Message -----
>> From: "Mike Kienenberger" <mkienen..mail.com>
>> To: <use..ayenne.apache.org>
>> Sent: Friday, February 23, 2007 10:02 PM
>> Subject: Re: How do I query a joined table in cayenne?
>>
>>
>> >I don't follow what you're trying to do.
>> > Can you give an example of what you expect the sql to look like when
>> > you're done, and give some example data so I can understand what
>> > you're trying to do?
>> >
>> > On 2/23/07, Frank <farocc..otmail.com> wrote:
>> >> Hello,
>> >>
>> >> I cannot figure out how to query the pcldds, pcdep4 fields
>> >> What am I doing wrong?
>> >>
>> >> Thanks
>> >>
>> >> Frank
>> >>
>> >> ** Java Code Start
>> >> DataContext context = DataContext.getThreadDataContext();
>> >> Integer[] hspArray = {new Integer(1), new Integer(5)};
>> >> Expression e =
>> >> ExpressionFactory.inDbExp(Bsypemp.EMHSPPOUND_PK_COLUMN,
>> >> hspArray);
>> >> e =
>> >> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.EMYLNM_PROPERTY,
>> >> lname
>> >> +"%"));
>> >> e =
>> >> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.EMYFNM_PROPERTY,
>> >> fname
>> >> +"%"));
>> >> // I'm lost here e =
>> >> e.andExp(ExpressionFactory.likeIgnoreCaseExp(Bsypemp.class.DEPARTMENTS_PROPERTY,
>> >> pcldds
>> >> // +"%"));
>> >>
>> >> SelectQuery query = new SelectQuery(Bsypemp.class,e);
>> >> List records = context.performQuery(query);
>> >> ** Java Code End
>> >>
>> >> Here is my first class
>> >> package stemc.cayenne.as400.auto;
>> >>
>> >> /** Class _Bsypemp was generated by Cayenne.
>> >> * It is probably a good idea to avoid changing this class manually,
>> >> * since it may be overwritten next time code is regenerated.
>> >> * If you need to make any customizations, please use subclass.
>> >> */
>> >> public class _Bsypemp extends
>> >> org.objectstyle.cayenne.CayenneDataObject {
>> >>
>> >> public static final String E_MEMPPOUND_PROPERTY = "eMEMPpound";
>> >> public static final String E_MWPHPOUND_PROPERTY = "eMWPHpound";
>> >> public static final String EMOTSH_PROPERTY = "emotsh";
>> >> public static final String EMSCH_PROPERTY = "emsch";
>> >> public static final String EMYFNM_PROPERTY = "emyfnm";
>> >> public static final String EMYLNM_PROPERTY = "emylnm";
>> >> public static final String DEPARTMENTS_PROPERTY = "departments";
>> >>
>> >> public static final String EMEMPPOUND_PK_COLUMN = "EMEMP#";
>> >> public static final String EMHSPPOUND_PK_COLUMN = "EMHSP#";
>> >>
>> >> public void setEMEMPpound(java.math.BigDecimal eMEMPpound) {
>> >> writeProperty("eMEMPpound", eMEMPpound);
>> >> }
>> >> public java.math.BigDecimal getEMEMPpound() {
>> >> return (java.math.BigDecimal)readProperty("eMEMPpound");
>> >> }
>> >>
>> >>
>> >> public void setEMWPHpound(java.math.BigDecimal eMWPHpound) {
>> >> writeProperty("eMWPHpound", eMWPHpound);
>> >> }
>> >> public java.math.BigDecimal getEMWPHpound() {
>> >> return (java.math.BigDecimal)readProperty("eMWPHpound");
>> >> }
>> >>
>> >>
>> >> public void setEmotsh(String emotsh) {
>> >> writeProperty("emotsh", emotsh);
>> >> }
>> >> public String getEmotsh() {
>> >> return (String)readProperty("emotsh");
>> >> }
>> >>
>> >>
>> >> public void setEmsch(String emsch) {
>> >> writeProperty("emsch", emsch);
>> >> }
>> >> public String getEmsch() {
>> >> return (String)readProperty("emsch");
>> >> }
>> >>
>> >>
>> >> public void setEmyfnm(String emyfnm) {
>> >> writeProperty("emyfnm", emyfnm);
>> >> }
>> >> public String getEmyfnm() {
>> >> return (String)readProperty("emyfnm");
>> >> }
>> >>
>> >>
>> >> public void setEmylnm(String emylnm) {
>> >> writeProperty("emylnm", emylnm);
>> >> }
>> >> public String getEmylnm() {
>> >> return (String)readProperty("emylnm");
>> >> }
>> >>
>> >>
>> >> public void setDepartments(stemc.cayenne.as400.Bprppcp
>> >> departments) {
>> >> setToOneTarget("departments", departments, true);
>> >> }
>> >>
>> >> public stemc.cayenne.as400.Bprppcp getDepartments() {
>> >> return
>> >> (stemc.cayenne.as400.Bprppcp)readProperty("departments");
>> >> }
>> >>
>> >>
>> >> }
>> >>
>> >>
>> >> Here is my second class
>> >> package stemc.cayenne.as400.auto;
>> >>
>> >> /** Class _Bprppcp was generated by Cayenne.
>> >> * It is probably a good idea to avoid changing this class manually,
>> >> * since it may be overwritten next time code is regenerated.
>> >> * If you need to make any customizations, please use subclass.
>> >> */
>> >> public class _Bprppcp extends
>> >> org.objectstyle.cayenne.CayenneDataObject {
>> >>
>> >> public static final String PCDEP4_PROPERTY = "pcdep4";
>> >> public static final String PCINA_PROPERTY = "pcina";
>> >> public static final String PCLDDS_PROPERTY = "pcldds";
>> >> public static final String PCSDDS_PROPERTY = "pcsdds";
>> >>
>> >> public static final String PCDEP4_PK_COLUMN = "PCDEP4";
>> >> public static final String PCHSPPOUND_PK_COLUMN = "PCHSP#";
>> >>
>> >> public void setPcdep4(java.math.BigDecimal pcdep4) {
>> >> writeProperty("pcdep4", pcdep4);
>> >> }
>> >> public java.math.BigDecimal getPcdep4() {
>> >> return (java.math.BigDecimal)readProperty("pcdep4");
>> >> }
>> >>
>> >>
>> >> public void setPcina(String pcina) {
>> >> writeProperty("pcina", pcina);
>> >> }
>> >> public String getPcina() {
>> >> return (String)readProperty("pcina");
>> >> }
>> >>
>> >>
>> >> public void setPcldds(String pcldds) {
>> >> writeProperty("pcldds", pcldds);
>> >> }
>> >> public String getPcldds() {
>> >> return (String)readProperty("pcldds");
>> >> }
>> >>
>> >>
>> >> public void setPcsdds(String pcsdds) {
>> >> writeProperty("pcsdds", pcsdds);
>> >> }
>> >> public String getPcsdds() {
>> >> return (String)readProperty("pcsdds");
>> >> }
>> >>
>> >>
>> >> }
>> >>
>> >>
>> >
>>
>>
>
This archive was generated by hypermail 2.0.0 : Tue Feb 27 2007 - 10:37:49 EST