65 lines
3.1 KiB
Python
65 lines
3.1 KiB
Python
"""Safe delivery lifecycle and immutable execution snapshot.
|
|
|
|
Revision ID: 7b8c9d0e1f2a
|
|
Revises: 6a7b8c9d0e1f
|
|
Create Date: 2026-06-14 12:00:00.000000
|
|
"""
|
|
from __future__ import annotations
|
|
|
|
from alembic import op
|
|
import sqlalchemy as sa
|
|
|
|
revision = "7b8c9d0e1f2a"
|
|
down_revision = "6a7b8c9d0e1f"
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
|
|
def upgrade() -> None:
|
|
with op.batch_alter_table("campaign_versions") as batch_op:
|
|
batch_op.add_column(sa.Column("execution_snapshot", sa.JSON(), nullable=True))
|
|
batch_op.add_column(sa.Column("execution_snapshot_hash", sa.String(length=64), nullable=True))
|
|
batch_op.add_column(sa.Column("execution_snapshot_at", sa.DateTime(timezone=True), nullable=True))
|
|
batch_op.create_index("ix_campaign_versions_execution_snapshot_hash", ["execution_snapshot_hash"], unique=False)
|
|
|
|
with op.batch_alter_table("campaign_jobs") as batch_op:
|
|
batch_op.add_column(sa.Column("claimed_at", sa.DateTime(timezone=True), nullable=True))
|
|
batch_op.add_column(sa.Column("claim_token", sa.String(length=36), nullable=True))
|
|
batch_op.add_column(sa.Column("smtp_started_at", sa.DateTime(timezone=True), nullable=True))
|
|
batch_op.add_column(sa.Column("outcome_unknown_at", sa.DateTime(timezone=True), nullable=True))
|
|
batch_op.add_column(sa.Column("eml_sha256", sa.String(length=64), nullable=True))
|
|
batch_op.create_index("ix_campaign_jobs_claim_token", ["claim_token"], unique=False)
|
|
batch_op.create_index("ix_campaign_jobs_eml_sha256", ["eml_sha256"], unique=False)
|
|
|
|
with op.batch_alter_table("send_attempts") as batch_op:
|
|
batch_op.add_column(sa.Column("status", sa.String(length=50), nullable=False, server_default="started"))
|
|
batch_op.add_column(sa.Column("claim_token", sa.String(length=36), nullable=True))
|
|
batch_op.create_index("ix_send_attempts_status", ["status"], unique=False)
|
|
batch_op.create_index("ix_send_attempts_claim_token", ["claim_token"], unique=False)
|
|
|
|
# Existing successful rows remain readable through the legacy 'sent' value.
|
|
# No data rewrite is required; new deliveries use 'smtp_accepted'.
|
|
|
|
|
|
def downgrade() -> None:
|
|
with op.batch_alter_table("send_attempts") as batch_op:
|
|
batch_op.drop_index("ix_send_attempts_claim_token")
|
|
batch_op.drop_index("ix_send_attempts_status")
|
|
batch_op.drop_column("claim_token")
|
|
batch_op.drop_column("status")
|
|
|
|
with op.batch_alter_table("campaign_jobs") as batch_op:
|
|
batch_op.drop_index("ix_campaign_jobs_eml_sha256")
|
|
batch_op.drop_index("ix_campaign_jobs_claim_token")
|
|
batch_op.drop_column("eml_sha256")
|
|
batch_op.drop_column("outcome_unknown_at")
|
|
batch_op.drop_column("smtp_started_at")
|
|
batch_op.drop_column("claim_token")
|
|
batch_op.drop_column("claimed_at")
|
|
|
|
with op.batch_alter_table("campaign_versions") as batch_op:
|
|
batch_op.drop_index("ix_campaign_versions_execution_snapshot_hash")
|
|
batch_op.drop_column("execution_snapshot_at")
|
|
batch_op.drop_column("execution_snapshot_hash")
|
|
batch_op.drop_column("execution_snapshot")
|