Re: Issue with to_timestamp function

I suspect your data is not what you think it is.
What do you see when you do

SELECT ts FROM from sql_log_import LIMIT 3;

On Mon, Sep 8, 2014 at 4:52 PM, Lou Oquin <LOquin(at)nammotalley(dot)com> wrote:

> I’ve imported a csv export of an MS SQL Server log file into a staging
> table on my local install of Postgresql (9.3/UTF8 encoding) for analysis.
>
>
>
> The staging table definition is:
>
>
>
> CREATE TABLE sql_log_import
>
> (
>
> id serial NOT NULL,
>
> ts text, -- will convert to ts when merging into sql_server_logs
>
> source character varying(30),
>
> severity character varying(20),
>
> message text,
>
> CONSTRAINT sql_log_import_pk PRIMARY KEY (id)
>
> )
>
> WITH (
>
> OIDS=FALSE
>
> );
>
> ALTER TABLE sql_log_import
>
> OWNER TO postgres;
>
> COMMENT ON COLUMN sql_log_import.ts IS 'will convert to ts when merging
> into sql_server_logs';
>
>
>
> Here’s a copy of the first few lines of the data imported to table
> sql_log_import:
>
> 08/06/2014 03:08:58,spid4s,Unknown,SQL Trace was stopped due to server
> shutdown. Trace ID = '1'. This is an informational message only; no user
> action is required.
>
> 08/06/2014 03:08:58,spid12s,Unknown,The current event was not reported to
> the Windows Events log. Operating system error = 1717(The interface is
> unknown.). You may need to clear the Windows Events log if it is full.
>
> 08/06/2014 03:08:58,spid12s,Unknown,Error: 17054<c/> Severity: 16<c/>
> State: 1.
>
> 08/06/2014 03:08:58,Server,Unknown,The connection has been lost with
> Microsoft Distributed Transaction Coordinator (MS DTC). Recovery of any
> in-doubt distributed transactions involving Microsoft Distributed
> Transaction Coordinator (MS DTC) will begin once the connection is
> re-established. This is an informational message only. No user action is
> required.
>
> 08/06/2014 03:08:58,spid12s,Unknown,Service Broker manager has shut down.
>
> 08/06/2014 03:08:55,Server,Unknown,SQL Server is terminating because of a
> system shutdown. This is an informational message only. No user action is
> required.
>
>
>
> The final table is very similar, but with a timestamp with timezone field
> for the logged server data. But, when I try to populate the target table
> with data from the staging table, I keep getting an error. The issue is
> associated with the to_timestamp function.
>
>
>
> Here’s what I’m seeing: If I use to_timestamp with the text data (copied
> from table sql_log_import.ts), the select statement returns a timestamp
> with timezone, as expected:
>
> -- Executing query:
>
> select to_timestamp('08/06/2014 03:08:58', 'MM/DD/YYYY
> hh24:mi:ss')::timestamp with time zone as tstamp
>
> Total query runtime: 78 ms.
>
> 1 row retrieved.
>
>
>
>
>
> But, when I select data from the table sql_log_import, I get an error:
>
> -- Executing query:
>
> select to_timestamp(ts, 'MM/DD/YYYY hh24:mi:ss')::timestamp with time zone
> as tStamp
>
> from sql_log_import
>
> where id <= 10
>
> ********** Error **********
>
>
>
>
>
> SQL state: 22007
>
> Detail: Value must be an integer.
>
>
>
>
>
> Any Ideas?
>
>
>
> Thanks
>
>
>
> *Lou O’Quin*
>
>
>

--
*Melvin Davidson*
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.