increase message_id length to 1024

app/models.py

@@ -1636,7 +1636,7 @@ class EmailLog(Base, ModelMixin):
     )
 
     # the Message ID
-    message_id = deferred(sa.Column(sa.String(512), nullable=True))
+    message_id = deferred(sa.Column(sa.String(1024), nullable=True))
     # in the reply phase, the original message_id is replaced by the SL message_id
     sl_message_id = deferred(sa.Column(sa.String(512), nullable=True))
 
@@ -2596,4 +2596,4 @@ class MessageIDMatching(Base, ModelMixin):
 
     # SimpleLogin Message ID
     sl_message_id = sa.Column(sa.String(512), unique=True, nullable=False)
-    original_message_id = sa.Column(sa.String(512), unique=True, nullable=False)
+    original_message_id = sa.Column(sa.String(1024), unique=True, nullable=False)

migrations/versions/2021_102715_0b9150eb309d_.py

@@ -0,0 +1,29 @@
+"""Increase message_id length manually
+
+Revision ID: 0b9150eb309d
+Revises: bbedc353f90c
+Create Date: 2021-10-27 15:58:22.275769
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '0b9150eb309d'
+down_revision = 'bbedc353f90c'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # As alembic cannot detect changes in column length, do it manually
+    op.execute('ALTER TABLE email_log ALTER COLUMN message_id TYPE varchar(1024);')
+    op.execute('ALTER TABLE message_id_matching ALTER COLUMN original_message_id TYPE varchar(1024);')
+
+
+def downgrade():
+    # As alembic cannot detect changes in column length, do it manually
+    op.execute('ALTER TABLE email_log ALTER COLUMN message_id TYPE varchar(512);')
+    op.execute('ALTER TABLE message_id_matching ALTER COLUMN original_message_id TYPE varchar(512);')