例: GROUP BY TIMEとタイムコード指定がない無効な例 - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - 時系列テーブルと操作の概要

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
2021年7月
Language
日本語
Last Update
2021-09-23
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ja-JP/zzg1600277315070.ditamap
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ja-JP/wrg1590696035526.ditaval
dita:id
B035-1208
Product Category
Software
Teradata Vantage

タイムコードの推測元のPTIテーブルがない場合は、エラーが返されます。

次の例では、どのソース テーブルもPTIテーブルではないため、USING TIMECODE句が必要です。

sel avg(a.temperature), mode(b.temperature)
from non_pti_tbl_seq a inner join ocean_buoys_nonpti b
on a.buoyid = b.buoyid
group by time(minutes(10));

*** *** Failure 4359 Time Series: GROUP BY TIME clause may not be used without a TIMECODE specification.
sel avg(a.temperature), mode(b.temperature)
from non_pti_tbl_seq a, ocean_buoys_nonpti b
group by time(minutes(10));
 
 *** Failure 4359 Time Series: GROUP BY TIME clause may not be used without a TIMECODE specification.
sel avg(a.temperature), mode(a.temperature)
from non_pti_tbl_seq a
group by time(minutes(10));

 *** Failure 4359 Time Series: GROUP BY TIME clause may not be used without a TIMECODE specification.