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Date: Fri, 1 Sep 2006 18:54:23 -0700 (PDT)
From: "Yip Ng (JIRA)" <derby-dev@db.apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-1784) When qualifying a column name with
 its synonym name in the select list, Derby throws SQLSTATE 42X04.
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    [ http://issues.apache.org/jira/browse/DERBY-1784?page=comments#action_12432266 ] 
            
Yip Ng commented on DERBY-1784:
-------------------------------

Just went through the related code area for this issue and I think I have a fix for this but need abit more time to confirm before I post the fix.  The problem is somewhat obvious, the column reference in the select list  is not resolved properly when it is qualified by a synonym table name at bind time of the column reference.  

> When qualifying a column name with its synonym name in the select list, Derby throws SQLSTATE 42X04.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1784
>                 URL: http://issues.apache.org/jira/browse/DERBY-1784
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.0.0, 10.1.3.1
>         Environment: Any environment
>            Reporter: Yip Ng
>         Assigned To: Yip Ng
>
> When qualifying a synonym with its name in the select list, Derby throws SQLSTATE 42X04 but if there is no qualification of the column, then the select statement executes successfully.
> ij version 10.3
> ij> connect 'jdbc:derby:wombat;create=true' user 'user1' as user1;
> WARNING 01J01: Database 'wombat' not created, connection made to existing database instead.
> ij> create schema test1;
> 0 rows inserted/updated/deleted
> ij> create schema test2;
> 0 rows inserted/updated/deleted
> ij> create table test1.t1 ( id bigint not null );
> 0 rows inserted/updated/deleted
> ij> create synonym test2.t1 for test1.t1;
> 0 rows inserted/updated/deleted
> ij> set schema test1;
> 0 rows inserted/updated/deleted
> ij> select t1.id from t1;
> ID
> --------------------
> 0 rows selected
> ij> set schema test2;
> 0 rows inserted/updated/deleted
> ij> select t1.id from t1;
> ERROR 42X04: Column 'T1.ID' is either not in any table in the FROM list or appears within a join specification and is outside the scope of the join specification or appears in a HAVING clause and is not in the GROUP BY list. If this is a CREATE or ALTER TABLE  statement then 'T1.ID' is not a column in the target table
> ij> select id from t1;
> ID
> --------------------
> 0 rows selected
> ------------------ Java Information ------------------
> Java Version:    1.4.2_12
> Java Vendor:     Sun Microsystems Inc.
> Java home:       C:\Program Files\Java\j2re1.4.2_12
> Java classpath:  classes;.
> OS name:         Windows XP
> OS architecture: x86
> OS version:      5.1
> Java user name:  Yip
> Java user home:  C:\Documents and Settings\Yip
> Java user dir:   C:\work3\derby\trunk
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.4
> --------- Derby Information --------
> JRE - JDBC: J2SE 1.4.2 - JDBC 3.0
> [C:\work3\derby\trunk\classes] 10.3.0.0 alpha - (438358)
> ------------------------------------------------------
> ----------------- Locale Information -----------------
> Current Locale :  [English/United States [en_US]]
> Found support for locale: [de_DE]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [es]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [fr]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [it]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [ja_JP]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [ko_KR]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [pt_BR]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [zh_CN]
>          version: 10.3.0.0 alpha - (438358)
> Found support for locale: [zh_TW]
>          version: 10.3.0.0 alpha - (438358)
> ------------------------------------------------------

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