| From: | "konishi" <a(dot)konisi(at)gmail(dot)com> | 
|---|---|
| To: | pgsql-bugs(at)postgresql(dot)org | 
| Subject: | BUG #5099: When MetaData is acquired, it becomes an SQL error. | 
| Date: | 2009-10-07 03:44:42 | 
| Message-ID: | 200910070344.n973ig9w065603@wwwmaster.postgresql.org | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-bugs | 
The following bug has been logged online:
Bug reference:      5099
Logged by:          konishi
Email address:      a(dot)konisi(at)gmail(dot)com
PostgreSQL version: 8.4.1
Operating system:   FreeBSD 6.0
Description:        When MetaData is acquired, it becomes an SQL error.
Details: 
In sample source and sample db
when used postgresql-8.4-701.jdbc3.jar is error
when used postgresql-8.3-603.jdbc3.jar is no error
The error disappears when "prepared.getParameterMetaData()" row delete.
sample source:
String url = "jdbc:postgresql://XXX.XXX.XXX.XXX:5432/test";
Connection con = DriverManager.getConnection(url, "postgres", "test");
try{
    String sql = "insert into test(filename,upddate) values(?,?)";
    PreparedStatement prepared = con.prepareStatement(sql);
    System.out.println("ParameterMetaData[" +
prepared.getParameterMetaData() + "]");
    prepared.setString(1, "0");
    prepared.setTimestamp(2, new
Timestamp(Calendar.getInstance().getTimeInMillis()));
    prepared.executeUpdate();
}catch(Exception e){
    System.out.println(e.getMessage());
}
sample table:
test=# \d+ test
                               Table "public.test"
  Column  |            Type             |   Modifiers   | Storage  |
Description
----------+-----------------------------+---------------+----------+--------
-----
 filename | text                        |               | extended |
 upddate  | timestamp without time zone | default now() | plain    |
Has OIDs: no
error message:
java.lang.IllegalArgumentException: Can't change resolved type for param: 1
from 1043 to 25
	at
org.postgresql.core.v3.SimpleParameterList.setResolvedType(SimpleParameterLi
st.java:230)
	at
org.postgresql.core.v3.QueryExecutorImpl.sendOneQuery(QueryExecutorImpl.java
:1488)
	at
org.postgresql.core.v3.QueryExecutorImpl.sendQuery(QueryExecutorImpl.java:10
62)
	at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255)
	at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.j
ava:479)
	at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2St
atement.java:367)
	at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2State
ment.java:321)
	at JdbcTest.testJdbctest(JdbcTest.java:42)
...
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