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backend/alembic/versions/008_modify_field_type.py

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+"""008_modify_field_type
+
+Revision ID: 35d925df4568
+Revises: ff653d5df198
+Create Date: 2025-05-28 12:15:28.296915
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '35d925df4568'
+down_revision = 'ff653d5df198'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('core_datasource', 'create_time',
+               existing_type=postgresql.TIMESTAMP(timezone=True),
+               type_=sa.DateTime(),
+               existing_nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('core_datasource', 'create_time',
+               existing_type=sa.DateTime(),
+               type_=postgresql.TIMESTAMP(timezone=True),
+               existing_nullable=True)
+    # ### end Alembic commands ###