Re: Issue with to_timestamp function

On 09/08/2014 01:52 PM, Lou Oquin 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?

Where are you getting this error?

Or to put it another way, where are you executing the query?

>
> Thanks
>
> *Lou O’Quin*
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com