Direct Alembic to ignore the sqlite_sequence table (#586)

* Direct Alembic to ignore the sqlite_sequence table

* Direct Alembic to ignore the sqlite_sequence table

* Fix "Skipping unsupported ALTER" warning on database migration

2 files changed, 36 insertions, 11 deletions

diff --git a/ihatemoney/migrations/env.py b/ihatemoney/migrations/env.py
index 4d4729c..0bd0031 100755
--- a/ihatemoney/migrations/env.py
+++ b/ihatemoney/migrations/env.py
@@ -41,7 +41,7 @@ def run_migrations_offline():
 
     """
     url = config.get_main_option("sqlalchemy.url")
-    context.configure(url=url)
+    context.configure(url=url, include_object=include_object)
 
     with context.begin_transaction():
         context.run_migrations()
@@ -75,6 +75,7 @@ def run_migrations_online():
     context.configure(
         connection=connection,
         target_metadata=target_metadata,
+        include_object=include_object,
         process_revision_directives=process_revision_directives,
         **current_app.extensions["migrate"].configure_args
     )
@@ -86,6 +87,12 @@ def run_migrations_online():
         connection.close()
 
 
+def include_object(object, name, type_, reflected, compare_to):
+    if name == "sqlite_sequence":
+        return False
+    return True
+
+
 if context.is_offline_mode():
     run_migrations_offline()
 else:
diff --git a/ihatemoney/migrations/versions/2dcb0c0048dc_autologger.py b/ihatemoney/migrations/versions/2dcb0c0048dc_autologger.py
index 0800835..b0b4f44 100644
--- a/ihatemoney/migrations/versions/2dcb0c0048dc_autologger.py
+++ b/ihatemoney/migrations/versions/2dcb0c0048dc_autologger.py
@@ -165,21 +165,39 @@ def upgrade():
         sa.Column("remote_addr", sa.String(length=50), nullable=True),
         sa.PrimaryKeyConstraint("id"),
     )
-    op.add_column(
-        "project",
-        sa.Column(
-            "logging_preference",
-            sa.Enum("DISABLED", "ENABLED", "RECORD_IP", name="loggingmode"),
-            server_default="ENABLED",
-            nullable=False,
-        ),
-    )
+    bind = op.get_bind()
+    if bind.engine.name == "sqlite":
+        with op.batch_alter_table("project", recreate="always") as batch_op:
+            batch_op.add_column(
+                sa.Column(
+                    "logging_preference",
+                    sa.Enum("DISABLED", "ENABLED", "RECORD_IP", name="loggingmode"),
+                    server_default="ENABLED",
+                    nullable=False,
+                ),
+            )
+    else:
+        op.add_column(
+            "project",
+            sa.Column(
+                "logging_preference",
+                sa.Enum("DISABLED", "ENABLED", "RECORD_IP", name="loggingmode"),
+                server_default="ENABLED",
+                nullable=False,
+            ),
+        )
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_column("project", "logging_preference")
+
+    bind = op.get_bind()
+    if bind.engine.name == "sqlite":
+        with op.batch_alter_table("project", recreate="always") as batch_op:
+            batch_op.drop_column("logging_preference")
+    else:
+        op.drop_column("project", "logging_preference")
     op.drop_table("transaction")
     op.drop_index(
         op.f("ix_project_version_transaction_id"), table_name="project_version"