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SQL query help

Thread began 3/25/2014 11:35 am by iainmacdonald331081 | Last modified 3/26/2014 10:41 am by Jason Byrnes | 255 views | 5 replies |

iainmacdonald331081

SQL query help

I currently have the following structure:

table: lodges
LodgeID (PK)
Lodge
LodgeDetails
etc

table: nominations
NominationID (PK)
Nomination
Category
Year
LodgeID
etc

table: scores
ScoreID (PK)
Score
ScoreYear
LodgeID
etc

table: trade_users
UserID (PK)
LodgeID
User
etc

And I have a page which lists any lodges which have either a 2015 Nomination or a 2015 Score (i.e. nominations.Year = 2015 OR scores.Year = 2015) for the currently logged in user using the following SQL:

SELECT DISTINCT lodges.LodgeID, Lodge, banner_image_new, Country, banner_image_new_title, photo_one, photo_one_title, Summary_2013, 2014_Nominee, GSG2014, Year, ScoreYear, Nominee, Finalist, HighlyCommended, RunnerUp, Winner, Category, 2015_Paid, 2015_Awards_Participant FROM lodges LEFT JOIN nominations ON lodges.LodgeID = nominations.LodgeID LEFT JOIN scores ON lodges.LodgeID = scores.LodgeID WHERE lodges.UserID = %s AND (Year = 2015 OR ScoreYear = 2015) ORDER BY Lodge ASC

Which works, but lists results:

Lodge A - Category 1
Lodge A Details

Lodge A - Category 2
Lodge A Details

Lodge A - Category 3
Lodge A Details

Lodge B - Category 1
Lodge B Details

etc

How could I change that to list the results in this way:

Lodge A
Category1, Category2, Category3
Lodge A Details

Lodge B
Category 2, Category 5
Lodge B Details

etc

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Jason ByrnesWebAssist

instead of using a joined query for this, i would use a nested recordset to return the categories:


http://www.webassist.com/tutorials/Display-nested-recordsets

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iainmacdonald331081

Thanks Jason - sorry if I'm going blind, but I don't see the Preset Manager it mentions right at the start:

In Dreamweaver, click WebAssist > Preset Manager.

I assume I can try to follow along from the step where record sets are added, where menu_categories are the equivalent of lodges, and menu_items are the equivalent of nominations or scores.

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Jason ByrnesWebAssist

the preset manager should near the end of the list if you have data bridge installed.


"I assume I can try to follow along from the step where record sets are added, where menu_categories are the equivalent of lodges, and menu_items are the equivalent of nominations or scores."

yes, that is correct.

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iainmacdonald331081

Thanks Jason - I have managed to get this all working now. I did go wrong, but fixed it when I had the run time value of LodgeID in the nominations recordset set to:

$row_WADAlodges['LodgeID'] rather than $_GET['LodgeID']

I thought it was about to get complicated by the either or of the nominations and scores, but realised I just needed to keep the joins in the original Lodges query to filter the correct lodges, and the nominations query to list the nomination categories.

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Jason ByrnesWebAssist

glad to hear you have it working.

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