root
59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package database
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import (
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"fmt"
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"slices"
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"gorm.io/gorm"
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)
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type mysqlIndexColumn struct {
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KeyName string `gorm:"column:Key_name"`
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SeqInIndex int `gorm:"column:Seq_in_index"`
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ColumnName string `gorm:"column:Column_name"`
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}
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func repairSmokeAINextSmokeIndexes(db *gorm.DB) error {
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if db == nil {
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return nil
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}
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const (
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tableName = "fa_smoke_ai_next_smoke"
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indexName = "uniq_smoke_ai_next_node"
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)
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var rows []mysqlIndexColumn
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if err := db.Raw(fmt.Sprintf("SHOW INDEX FROM `%s` WHERE Key_name = ?", tableName), indexName).Scan(&rows).Error; err != nil {
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return fmt.Errorf("inspect %s: %w", indexName, err)
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}
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expected := []string{"ai_advice_id", "node_type", "node_at"}
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actual := make([]string, 0, len(rows))
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for _, row := range rows {
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actual = append(actual, row.ColumnName)
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}
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if slices.Equal(actual, expected) {
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return nil
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}
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if len(rows) > 0 {
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if err := db.Exec(fmt.Sprintf("ALTER TABLE `%s` DROP INDEX `%s`", tableName, indexName)).Error; err != nil {
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return fmt.Errorf("drop %s: %w", indexName, err)
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}
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}
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if err := db.Exec(
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fmt.Sprintf(
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"ALTER TABLE `%s` ADD UNIQUE KEY `%s` (`ai_advice_id`,`node_type`,`node_at`)",
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tableName,
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indexName,
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),
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).Error; err != nil {
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return fmt.Errorf("create %s: %w", indexName, err)
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}
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return nil
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}
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