57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package migrations
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import (
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"context"
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"fmt"
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"time"
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"git.handmade.network/hmn/hmn/src/migration/types"
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"git.handmade.network/hmn/hmn/src/oops"
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"github.com/jackc/pgx/v4"
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)
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func init() {
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registerMigration(DeleteIncorrectReplies{})
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}
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type DeleteIncorrectReplies struct{}
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func (m DeleteIncorrectReplies) Version() types.MigrationVersion {
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return types.MigrationVersion(time.Date(2021, 9, 6, 21, 32, 26, 0, time.UTC))
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}
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func (m DeleteIncorrectReplies) Name() string {
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return "DeleteIncorrectReplies"
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}
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func (m DeleteIncorrectReplies) Description() string {
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return "Remove reply ID from posts that are replying to the OP"
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}
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func (m DeleteIncorrectReplies) Up(ctx context.Context, tx pgx.Tx) error {
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tag, err := tx.Exec(ctx, `
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UPDATE handmade_post
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SET reply_id = NULL
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WHERE id IN (
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SELECT post.id
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FROM
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handmade_post AS post
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JOIN handmade_thread AS thread ON post.thread_id = thread.id
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WHERE
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post.reply_id = thread.first_id
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)
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`)
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if err != nil {
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return oops.New(err, "failed to delete bad reply IDs")
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}
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fmt.Printf("Cleared the reply id on %d posts.\n", tag.RowsAffected())
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return nil
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}
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func (m DeleteIncorrectReplies) Down(ctx context.Context, tx pgx.Tx) error {
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fmt.Println("This migration was just a fixup and we don't really need a reverse.")
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return nil
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}
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