VbzCart/docs/queries/qryCtg src: Difference between revisions

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imported>Woozle
(+ID_Supplier)
imported>Woozle
(t.Name AS TitleName)
Line 5: Line 5:
** '''2008-03-15''' Building sequence completely rewritten, so presumably this query was created then
** '''2008-03-15''' Building sequence completely rewritten, so presumably this query was created then
** '''2008-04-02''' convert blanks to nulls in b.ItOpt_Descr_part
** '''2008-04-02''' convert blanks to nulls in b.ItOpt_Descr_part
** '''2010-12-29''' Added ID_Supplier because {{vbzcart|table|cat_items}} now needs that field set.
** '''2010-12-29''' Added t.ID_Supplier because {{vbzcart|table|cat_items}} now needs that field set.
** '''2011-01-02''' Added t.Name (AS TitleName) for the same reason
* '''Fields''':
* '''Fields''':
** '''b.ItOpt_Descr_part''' apparently often comes up as "" rather than NULL, so we have to convert blanks to nulls before testing for null.
** '''b.ItOpt_Descr_part''' apparently often comes up as "" rather than NULL, so we have to convert blanks to nulls before testing for null.
Line 13: Line 14:
   b.*,
   b.*,
   t.ID_Supplier,
   t.ID_Supplier,
  t.Name AS TitleName,
   CONCAT_WS('-',b.ID_Title,b.CatSfx) AS IDS_Item,
   CONCAT_WS('-',b.ID_Title,b.CatSfx) AS IDS_Item,
   CONCAT_WS('-',t.CatNum,b.CatSfx) AS CatNum,
   CONCAT_WS('-',t.CatNum,b.CatSfx) AS CatNum,

Revision as of 00:44, 3 January 2011

About

  • Requires: Template:Vbzcart/query, Template:Vbzcart/query
  • Used by: catalog building process (details to be documented)
  • History:
    • 2008-03-15 Building sequence completely rewritten, so presumably this query was created then
    • 2008-04-02 convert blanks to nulls in b.ItOpt_Descr_part
    • 2010-12-29 Added t.ID_Supplier because Template:Vbzcart now needs that field set.
    • 2011-01-02 Added t.Name (AS TitleName) for the same reason
  • Fields:
    • b.ItOpt_Descr_part apparently often comes up as "" rather than NULL, so we have to convert blanks to nulls before testing for null.

SQL

<section begin=sql /><mysql>CREATE OR REPLACE VIEW qryCtg_src AS SELECT

 b.*,
 t.ID_Supplier,
 t.Name AS TitleName,
 CONCAT_WS('-',b.ID_Title,b.CatSfx) AS IDS_Item,
 CONCAT_WS('-',t.CatNum,b.CatSfx) AS CatNum,
 IFNULL(NULLIF(b.ItOpt_Descr_part,""),b.NameSng) AS ItOpt_Descr

FROM qryCtg_src_sub AS b LEFT JOIN qryCat_Titles AS t ON b.ID_Title=t.ID;</mysql> <section end=sql />