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12.16.2006 at 07:17AM PST, ID: 22095469
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9.0

Grouping + fill empty spaces

Asked by pmengal in MS SQL Server

Tags: , , , ,

Hello,

Consider this table structure / data :

Column :     Connexions         DateRecorded        
Row1 :           10                         1/1/2007 11:12:45 pm              
Row2 :           11                         1/1/2007 11:17:12 pm              
Row3 :           13                          1/1/2007 11:17:59 pm              
Row4 :           12                         1/1/2007 11:25:11 pm              
Row5 :            11                         1/1/2007 11:26:13 pm              
Row6 :            10                         1/1/2007 11:28:52 pm              
Row7 :            9                         1/1/2007 11:28:59 pm              
Row8 :            8                         1/1/2007 11:41:00 pm              
Row9 :            7                         1/1/2007 11:47:15 pm              

Based on that table, I want to retrieve all the data from 11:12 to 12h00 (the getDate() returns 12:00:00), group by minute to get this :

Column :     Connexions         DateRecorded        
Row1 :           10                         1/1/2007 11:12
Row2 :           10                         1/1/2007 11:13
Row3 :           10                         1/1/2007 11:14
Row4 :           10                         1/1/2007 11:15
Row5 :           10                         1/1/2007 11:16
Row6 :           13                          1/1/2007 11:17
Row7 :           13                          1/1/2007 11:18
Row8 :           13                          1/1/2007 11:19
Row9 :           13                          1/1/2007 11:20
Row10 :           13                          1/1/2007 11:21
Row11 :           13                          1/1/2007 11:22
Row12 :           13                          1/1/2007 11:23
Row13 :           13                          1/1/2007 11:24
Row14 :           12                         1/1/2007 11:25
Row15 :            11                         1/1/2007 11:26
Row16 :            11                         1/1/2007 11:27
Row17 :            10                         1/1/2007 11:28
Row18 :            10                         1/1/2007 11:29
Row19 :            10                         1/1/2007 11:30
Row20 :            10                         1/1/2007 11:31
Row21 :            10                         1/1/2007 11:32
Row22 :            10                         1/1/2007 11:33
Row23 :            10                         1/1/2007 11:34
Row24 :            10                         1/1/2007 11:35
Row25 :            10                         1/1/2007 11:36
Row26 :            10                         1/1/2007 11:37
Row27 :            10                         1/1/2007 11:38
Row28 :            10                         1/1/2007 11:39
Row29 :            10                         1/1/2007 11:40
Row30 :            8                         1/1/2007 11:41
Row31 :            8                         1/1/2007 11:42
Row32 :            8                         1/1/2007 11:43
Row33 :            8                         1/1/2007 11:44
Row34 :            8                         1/1/2007 11:45
Row35 :            8                         1/1/2007 11:46
Row36 :            7                         1/1/2007 11:47

Please note that we do a MAX for grouping, so we keep the MAXIMUM value of the grouped records for the same minute. The complexity is to fill the record for each minute that is not on the table.

If it's not possible with a single SQL query, a stored proc is OK ;)

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[+][-]12.16.2006 at 07:19AM PST, ID: 18151736

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[+][-]12.18.2006 at 02:09PM PST, ID: 18162108

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About this solution

Zone: MS SQL Server
Tags: empty, fill, space, data, sql
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Solution Provided By: ScottPletcher
Participating Experts: 3
Solution Grade: A
 
 
[+][-]02.06.2007 at 09:54PM PST, ID: 18482743

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