[jira] [Created] (DERBY-6357) CREATE TRIGGER doesn't detect all illegal references to SESSION schema

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

Knut Anders Hatlen created DERBY-6357:
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             Summary: CREATE TRIGGER doesn't detect all illegal references to SESSION schema
                 Key: DERBY-6357
                 URL: https://issues.apache.org/jira/browse/DERBY-6357
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.10.1.1
            Reporter: Knut Anders Hatlen
            Assignee: Knut Anders Hatlen


The reference manual's section on the DECLARE GLOBAL TEMPORARY TABLE statement says: Temporary tables cannot be referenced in a triggered-SQL-statement

It detects most cases and reports:

ERROR XCL51: The requested function can not reference tables in SESSION schema.

However, some references are not detected if they are in a subquery. For example:

ij version 10.10
ij> connect 'jdbc:derby:memory:db;create=true';
ij> declare global temporary table temptable(x int) not logged;
0 rows inserted/updated/deleted
ij> create table t1(x int);
0 rows inserted/updated/deleted
ij> create table t2(b boolean);
0 rows inserted/updated/deleted
ij> create trigger tr1 after insert on t1 insert into t2 values exists(select * from session.temptable);
0 rows inserted/updated/deleted

This CREATE TRIGGER statement should have raised an error.



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