rewrite migration

migrations/versions/25fcfa506211_reset_base_after_cleanup.py

+"""Reset base after cleanup
+
+Revision ID: 25fcfa506211
+Revises: 
+Create Date: 2025-04-22 21:06:34.163685
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = '25fcfa506211'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('uploadedfiles', schema=None) as batch_op:
+        batch_op.alter_column('error_details',
+               existing_type=mysql.LONGTEXT(collation='utf8mb4_unicode_ci'),
+               type_=sa.Text(length=16777215),
+               existing_nullable=True)
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('uploadedfiles', schema=None) as batch_op:
+        batch_op.alter_column('error_details',
+               existing_type=sa.Text(length=16777215),
+               type_=mysql.LONGTEXT(collation='utf8mb4_unicode_ci'),
+               existing_nullable=True)
+
+    # ### end Alembic commands ###