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Thread-Topic: concatenating hstores in a group by? 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X-OriginatorOrg: niwa.co.nz X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jan 2025 20:43:20.2453 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 405ade9c-1273-4c9f-03af-08dd37379414 X-MS-Exchange-CrossTenant-Id: 41caed73-6a0c-468a-ba49-9ff6aafd1c77 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=41caed73-6a0c-468a-ba49-9ff6aafd1c77;Ip=[202.36.29.34];Helo=[wellmail.dmz.niwa.co.nz] X-MS-Exchange-CrossTenant-AuthSource: SY3PEPF0000A726.ausprd01.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MEUP300MB0207 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --_000_SY7P300MB0761A579730344B2813CA07DA11B2SY7P300MB0761AUSP_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, I have a table with a timestamp and hstore columns with times in millisecon= ds. I want to concatenate the hstores, grouped by timestamp, with the timestamp= s truncated to whole seconds: date_trunc('seconds', timer). How can I concatenate all the hstores within a one second interval, ie, something like: select timer, from (select date_trunc('seconds', timer) as timer_sec, hstore) group by timer; Thanks Brent Wood Principal Technician, Fisheries NIWA DDI: +64 (4) 3860529 [https://www.niwa.co.nz/static/niwa-2018-horizontal-180.png] Brent Wood Principal Technician - GIS and Spatial Data Management Programme Leader - Environmental Information Delivery +64-4-386-0529 National Institute of Water & Atmospheric Research Ltd (NIWA) 301 Evans Bay Parade Hataitai Wellington New Zealand Connect with NIWA: niwa.co.nz Facebook LinkedIn Twitte= r Instagram YouTube To ensure compliance with legal requirements and to maintain cyber security= standards, NIWA's IT systems are subject to ongoing monitoring, activity l= ogging and auditing. This monitoring and auditing service may be provided b= y third parties. Such third parties can access information transmitted to, = processed by and stored on NIWA's IT systems. Note: This email is intended solely for the use of the addressee and may co= ntain information that is confidential or subject to legal professional pri= vilege. If you receive this email in error please immediately notify the se= nder and delete the email. --_000_SY7P300MB0761A579730344B2813CA07DA11B2SY7P300MB0761AUSP_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi,

I have a table with a timestamp and hstore columns with times in millisecon= ds.

I want to concatenate the hstores, grouped by timestamp, with the timestamp= s truncated to whole seconds: date_trunc('seconds', timer).

How can I concatenate all the hstores within a one second interval,

 ie, something like:

select timer,
            &nb= sp; <hstores concatenated>
from (select  date_trunc('seconds', timer) as timer_sec, hstore)
group by timer;


Thanks


Brent Wood

Principal Technician, Fisheries
NIWA
DDI:  +64 (4) 3860529

Brent Wood
Principal Technician - GIS and Spatial Data Managem= ent
Programme Leader - Environmental Information Delive= ry
+64-4-386-0529

National Institute of Water & Atmospheric Research Ltd (NIWA)
301 Evans Bay Parade Hataitai Wellington New Zealand
Connect with NIWA: niwa.co.nz= Facebook LinkedIn= Twitter Instagram YouTube
To ensure compliance with legal requirement= s and to maintain cyber security standards, NIWA's IT systems are subject t= o ongoing monitoring, activity logging and auditing. This monitoring and au= diting service may be provided by third parties. Such third parties can access information transmitted to, process= ed by and stored on NIWA's IT systems.
Note: This email is intended solely for the use of the addressee and may co= ntain information that is confidential or subject to legal professional pri= vilege. If you receive this email in error please immediately notify the se= nder and delete the email. --_000_SY7P300MB0761A579730344B2813CA07DA11B2SY7P300MB0761AUSP_--