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我正在运行MySQL 5.0.88并进行搜索presearch以确定我正在运行的搜索number of recordsmin-max values以及element strings of distinct values.

查询的结果将如下所示:

  records      min-price    max-price   sizeRange   colorRange
  1234         9.00         124.00      S,M,L,XL    red,blue,white,orange

我的查询如下所示:

SELECT    COUNT(recordcount) AS total_records
        , MIN(min_price_ek) AS ek_min
        , MAX(max_price_ek) AS ek_max
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT sizeRange ), ',', 10  ) AS sz_rng
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT colorRange ), ',', 16  ) AS cl_rng 

        FROM (SELECT  a.id AS recordcount
                    , a.nos
                    , a.nos_anzeige
                    , MAX(<cfif variables.preislisten neq "">IFNULL(p.ek, a.preis_ek)<cfelse>a.preis_ek</cfif>) AS max_price_ek
                    , MIN(<cfif variables.preislisten neq "">IFNULL(p.ek, a.preis_ek)<cfelse>a.preis_ek</cfif>) AS min_price_ek
                    , a.groesse AS sizeRange
                    , zu.systemfarbe AS colorRange

              FROM artikelstammdaten a

              LEFT JOIN farbenzuordnung zu 
                ON a.farbe = zu.farbe 

              WHERE a.aktiv = "ja"
          AND a.artikelnummer LIKE <cfqueryparam value="#art#" cfsqltype="cf_sql_varchar">

              GROUP BY a.iln, a.artikelnummer, a.preis_aktuell, a.artikelbezeichnung
              HAVING (( sum(a.bestand) != 0 ) OR (a.nos = "ja" AND a.nos_anzeige = "ja" ))

        ) AS temp

这工作正常,但我仍然无法选择所有可用的尺寸/颜色。我得到了一些价值,但不是全部。

我的表如下所示:

  CREATE TABLE dummy (
 `id` INT(11) NOT NULL AUTO_INCREMENT,
 `iln` VARCHAR(13) NULL DEFAULT NULL,
 `ean` VARCHAR(35) NULL DEFAULT NULL,
 `artikelnummer` VARCHAR(35) NULL DEFAULT NULL,
 `preis_ek` DECIMAL(12,2) NULL DEFAULT NULL,
 `preis_vk` DECIMAL(12,2) NULL DEFAULT NULL,
 `firma` VARCHAR(35) NULL DEFAULT NULL,
 `nos` VARCHAR(4) NULL DEFAULT NULL,
 `nos_anzeige` VARCHAR(4) NULL DEFAULT NULL,
 `aktiv` VARCHAR(4) NULL DEFAULT NULL,
 `bestand` DECIMAL(10,0) NULL DEFAULT '0'
  )  

因此,产品将存储在表中,每个尺寸都有一个条目,如下所示:

 product_id      ean           size     price
 1234          111111111111    S        9.99
 1234          111111111112    M        9.99
 1234          111111111113...

从我在 MySQL 中得到的结果来看,我认为我只选择了S文章的第一个大小 (),并创建了记录集的所有不同大小的GROUP_CONCAT of all DISTINCT first sizesvs a GROUP_CONCAT

问题:有人可以给我一个关于我需要如何调整我的指针GROUP_CONCAT吗?

谢谢!

这是我目前正在测试的查询

SELECT    COUNT(recordcount) AS total_records
        , MIN(min_price_ek) AS ek_min
        , MAX(max_price_ek) AS ek_max
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT sizeRange ), ',', 10  ) AS sz_rng
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT colorRange ), ',', 16  ) AS cl_rng 

        FROM (SELECT  a.id AS recordcount
                    , a.nos
                    , a.nos_anzeige
                    , MAX(a.preis_ek) AS max_price_ek
                    , MIN(a.preis_ek) AS min_price_ek
                    , a.groesse AS sizeRange
                    , zu.systemfarbe AS colorRange

                FROM artikelstammdaten a

                LEFT JOIN farbenzuordnung zu 
                    ON a.farbe = zu.farbe 
                WHERE a.aktiv = "ja"
                AND a.artikelnummer LIKE "%402%"

                GROUP BY a.iln, a.artikelnummer
                HAVING (( sum(a.bestand) != 0 ) OR (a.nos = "ja" AND a.nos_anzeige = "ja" ))

        ) AS temp

我已经删除了第三张表(货币查找/左连接),因为无论有没有它,结果都是错误的。这是剩下的两个表:

   ** artikelstammdaten = product data **
   CREATE TABLE dummy (
    `id` INT(11) NOT NULL AUTO_INCREMENT,
    `iln` VARCHAR(13) NULL DEFAULT NULL,
    `ean` VARCHAR(35) NULL DEFAULT NULL,
    `artikelnummer` VARCHAR(35) NULL DEFAULT NULL,
    `groesse` VARCHAR(10) NULL DEFAULT NULL,
    `farbe` VARCHAR(35) NULL DEFAULT NULL,
    `preis_ek` DECIMAL(12,2) NULL DEFAULT NULL,
    `preis_vk` DECIMAL(12,2) NULL DEFAULT NULL,
    `preis_aktuell` DECIMAL(12,2) NULL DEFAULT NULL,
    `marke` VARCHAR(35) NULL DEFAULT NULL,
    `nos` VARCHAR(4) NULL DEFAULT NULL,
    `nos_anzeige` VARCHAR(4) NULL DEFAULT NULL,
    `aktiv` VARCHAR(4) NULL DEFAULT NULL,
    `modus` VARCHAR(4) NULL DEFAULT NULL,
    `bestand` DECIMAL(10,0) NULL DEFAULT '0'
 )

   ** global colors / farbenzuordnung **
   CREATE TABLE dummy (
    `ILN` VARCHAR(13) NOT NULL,
    `farbe` VARCHAR(35) NOT NULL,
    `systemfarbe` VARCHAR(35) NOT NULL,
    `systemfarbe_en` VARCHAR(35) NOT NULL
   )

我现在正在测试一种产品(402)。该产品有 4 种尺寸和两种颜色,因此数据库中有 8 条记录。在其上运行查询应该以 Group__concat 的形式返回s,m,l,xl大小和颜色。red, black但是我只得到(仲裁?) sred结果。

仍然不知道为什么。

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1 回答 1

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您可以使用GROUP_CONCAT 和 ORDER BY CLAUSE进行如下查询,

注意:您需要根据您的要求在以下查询中定义条件

SELECT    COUNT(recordcount) AS total_records
        , MIN(min_price_ek) AS ek_min
        , MAX(max_price_ek) AS ek_max
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT sizeRange ORDER BY [criteria]), ',', 20  ) AS sz_rng
        , SUBSTRING_INDEX( GROUP_CONCAT( DISTINCT colorRange ORDER BY [criteria]), ',', 20  ) AS cl_rng 

        FROM (SELECT  a.id AS recordcount
                    , a.nos
                    , a.nos_anzeige
                    , MAX(<cfif variables.preislisten neq "">IFNULL(p.ek, a.preis_ek)<cfelse>a.preis_ek</cfif>) AS max_price_ek
                    , MIN(<cfif variables.preislisten neq "">IFNULL(p.ek, a.preis_ek)<cfelse>a.preis_ek</cfif>) AS min_price_ek
                    , a.groesse AS sizeRange
                    , zu.systemfarbe AS colorRange

              FROM artikelstammdaten a

              LEFT JOIN farbenzuordnung zu 
                ON a.farbe = zu.farbe 

              WHERE a.aktiv = "ja"
          AND a.artikelnummer LIKE <cfqueryparam value="#art#" cfsqltype="cf_sql_varchar">

              GROUP BY a.iln, a.artikelnummer, a.preis_aktuell, a.artikelbezeichnung
              HAVING (( sum(a.bestand) != 0 ) OR (a.nos = "ja" AND a.nos_anzeige = "ja" ))

        ) AS temp

希望能帮助到你...

于 2012-08-29T10:55:14.550 回答