code.gitea.io/gitea@v1.21.7/models/migrations/v1_15/v182.go (about)

     1  // Copyright 2021 The Gitea Authors. All rights reserved.
     2  // SPDX-License-Identifier: MIT
     3  
     4  package v1_15 //nolint
     5  
     6  import (
     7  	"xorm.io/xorm"
     8  )
     9  
    10  func AddIssueResourceIndexTable(x *xorm.Engine) error {
    11  	type ResourceIndex struct {
    12  		GroupID  int64 `xorm:"pk"`
    13  		MaxIndex int64 `xorm:"index"`
    14  	}
    15  
    16  	sess := x.NewSession()
    17  	defer sess.Close()
    18  
    19  	if err := sess.Begin(); err != nil {
    20  		return err
    21  	}
    22  
    23  	if err := sess.Table("issue_index").Sync(new(ResourceIndex)); err != nil {
    24  		return err
    25  	}
    26  
    27  	// Remove data we're goint to rebuild
    28  	if _, err := sess.Table("issue_index").Where("1=1").Delete(&ResourceIndex{}); err != nil {
    29  		return err
    30  	}
    31  
    32  	// Create current data for all repositories with issues and PRs
    33  	if _, err := sess.Exec("INSERT INTO issue_index (group_id, max_index) " +
    34  		"SELECT max_data.repo_id, max_data.max_index " +
    35  		"FROM ( SELECT issue.repo_id AS repo_id, max(issue.`index`) AS max_index " +
    36  		"FROM issue GROUP BY issue.repo_id) AS max_data"); err != nil {
    37  		return err
    38  	}
    39  
    40  	return sess.Commit()
    41  }