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Invalid use of take in MySQL #10892

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SuperCodeCandy opened this issue May 15, 2024 · 0 comments
Open

Invalid use of take in MySQL #10892

SuperCodeCandy opened this issue May 15, 2024 · 0 comments

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@SuperCodeCandy
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  • When I was flipping pages using take in MySQL, I found that take was invalid, but I was able to use limit

  • limit queryBuilder

    const queryBuild = this.articleClassifyMapRepository
      .createQueryBuilder('articleClassifyMap')
      .leftJoinAndSelect(ArticleClassifyEntity, 'articleClassify', 'articleClassify.id = articleClassifyMap.classifyId')
      .select([
        'count(articleClassifyMap.classifyId) as classifyCount',
        'articleClassify.name as name',
        'articleClassify.tag as tag',
        'articleClassify.id as id'
      ])
      .offset(1)
      .limit(1)
      .groupBy('articleClassifyMap.classifyId')
  • limit query
SELECT count(`articleClassifyMap`.`classify_id`) as classifyCount, `articleClassify`.`name` as name, `articleClassify`.`tag` as tag, `articleClassify`.`id` as id FROM `article_classify_map` `articleClassifyMap` LEFT JOIN `article_classify` `articleClassify` ON `articleClassify`.`id` = `articleClassifyMap`.`classify_id` GROUP BY `articleClassifyMap`.`classify_id` LIMIT 1 OFFSET 1
  • take queryBuilder
    const queryBuild = this.articleClassifyMapRepository
      .createQueryBuilder('articleClassifyMap')
      .leftJoinAndSelect(ArticleClassifyEntity, 'articleClassify', 'articleClassify.id = articleClassifyMap.classifyId')
      .select([
        'count(articleClassifyMap.classifyId) as classifyCount',
        'articleClassify.name as name',
        'articleClassify.tag as tag',
        'articleClassify.id as id'
      ])
      .skip(1)
      .take(1)
      .groupBy('articleClassifyMap.classifyId')
  • take query
SELECT count(`articleClassifyMap`.`classify_id`) as classifyCount, `articleClassify`.`name` as name, `articleClassify`.`tag` as tag, `articleClassify`.`id` as id FROM `article_classify_map` `articleClassifyMap` LEFT JOIN `article_classify` `articleClassify` ON `articleClassify`.`id` = `articleClassifyMap`.`classify_id` GROUP BY `articleClassifyMap`.`classify_id`
@SuperCodeCandy SuperCodeCandy changed the title take invalid Invalid use of take in MySQL May 15, 2024
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