feat: migration for create dataset table

migrations/versions/aaabf849b37f_create_dataset_table.py

@@ -0,0 +1,39 @@
+"""create dataset table
+
+Revision ID: aaabf849b37f
+Revises:
+Create Date: 2025-02-04 17:14:46.411090
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = "aaabf849b37f"
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "dataset",
+        sa.Column("dataset_id", sa.String(), nullable=False),
+        sa.Column("source_url", sa.String(), nullable=False),
+        sa.Column("publisher_name", sa.String(), nullable=False),
+        sa.Column("json_url", sa.String(), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+        sa.PrimaryKeyConstraint("dataset_id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("dataset")
+    # ### end Alembic commands ###