47 lines
1.4 KiB
Rust
47 lines
1.4 KiB
Rust
use sea_orm_migration::{prelude::*, schema::*};
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use crate::m20250905_000001_init::Thought;
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#[derive(DeriveMigrationName)]
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pub struct Migration;
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#[async_trait::async_trait]
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impl MigrationTrait for Migration {
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async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
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manager
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.alter_table(
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Table::alter()
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.table(Thought::Table)
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.add_column(uuid_null(ThoughtExtension::ReplyToId))
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.add_foreign_key(
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TableForeignKey::new()
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.name("fk_thought_reply_to_id")
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.from_tbl(Thought::Table)
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.from_col(ThoughtExtension::ReplyToId)
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.to_tbl(Thought::Table)
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.to_col(Thought::Id)
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.on_delete(ForeignKeyAction::SetNull),
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)
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.to_owned(),
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)
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.await
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}
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async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
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manager
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.alter_table(
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Table::alter()
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.table(Thought::Table)
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.drop_foreign_key(Alias::new("fk_thought_reply_to_id"))
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.drop_column(ThoughtExtension::ReplyToId)
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.to_owned(),
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)
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.await
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}
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}
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#[derive(DeriveIden)]
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enum ThoughtExtension {
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ReplyToId,
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}
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