changed all date to string

backend/app/alembic/versions/e6b42c5752d5_changed_all_date_to_string.py

@@ -0,0 +1,43 @@
+"""changed all date to string
+
+Revision ID: e6b42c5752d5
+Revises: 691c39dbac74
+Create Date: 2024-10-07 14:52:05.314791
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'e6b42c5752d5'
+down_revision = '691c39dbac74'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('course', 'created_at',
+               existing_type=postgresql.TIMESTAMP(),
+               type_=sqlmodel.sql.sqltypes.AutoString(),
+               existing_nullable=False)
+    op.alter_column('message', 'created_at',
+               existing_type=postgresql.TIMESTAMP(),
+               type_=sqlmodel.sql.sqltypes.AutoString(),
+               existing_nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('message', 'created_at',
+               existing_type=sqlmodel.sql.sqltypes.AutoString(),
+               type_=postgresql.TIMESTAMP(),
+               existing_nullable=False)
+    op.alter_column('course', 'created_at',
+               existing_type=sqlmodel.sql.sqltypes.AutoString(),
+               type_=postgresql.TIMESTAMP(),
+               existing_nullable=False)
+    # ### end Alembic commands ###