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fix: drop server_default before dropping enum type in migration 008

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This commit is contained in:
jlightner 2026-03-31 02:46:30 +00:00
parent 63225a3559
commit 7127237afe
1 changed files with 9 additions and 5 deletions
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14
alembic/versions/008_rename_processing_status.py
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@ -18,7 +18,10 @@ depends_on = None
def upgrade() -> None:
# 1. Convert column to text to break free of the old enum
# 1. Drop server default (it references the old enum type)
op.alter_column("source_videos", "processing_status", server_default=None)
# 2. Convert column to text to break free of the old enum
op.alter_column(
"source_videos", "processing_status",
type_=sa.Text(),
@ -26,23 +29,23 @@ def upgrade() -> None:
postgresql_using="processing_status::text",
)
# 2. Drop old enum type
# 3. Drop old enum type
op.execute("DROP TYPE IF EXISTS processing_status")
# 3. Rename values in the text column
# 4. Rename values in the text column
op.execute("UPDATE source_videos SET processing_status = 'not_started' WHERE processing_status = 'pending'")
op.execute("UPDATE source_videos SET processing_status = 'queued' WHERE processing_status = 'transcribed'")
op.execute("UPDATE source_videos SET processing_status = 'processing' WHERE processing_status = 'extracted'")
op.execute("UPDATE source_videos SET processing_status = 'complete' WHERE processing_status = 'published'")
# 4. Create new enum type
# 5. Create new enum type
processing_status = sa.Enum(
"not_started", "queued", "processing", "error", "complete",
name="processing_status",
)
processing_status.create(op.get_bind(), checkfirst=True)
# 5. Convert column back to enum
# 6. Convert column back to enum with new default
op.alter_column(
"source_videos", "processing_status",
type_=processing_status,
@ -53,6 +56,7 @@ def upgrade() -> None:
def downgrade() -> None:
op.alter_column("source_videos", "processing_status", server_default=None)
op.alter_column(
"source_videos", "processing_status",
type_=sa.Text(),