Initial commit: svg backend

backend/alembic/versions/20260316_02_create_schemes_table.py

@@ -0,0 +1,40 @@
+"""create schemes table
+
+Revision ID: 20260316_02
+Revises: 20260316_01
+Create Date: 2026-03-16 15:15:00
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "20260316_02"
+down_revision = "20260316_01"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "schemes",
+        sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True),
+        sa.Column("scheme_id", sa.String(length=32), nullable=False),
+        sa.Column("source_upload_id", sa.String(length=32), nullable=False),
+        sa.Column("name", sa.String(length=512), nullable=False),
+        sa.Column("status", sa.String(length=32), nullable=False),
+        sa.Column("normalized_elements_count", sa.Integer(), nullable=False),
+        sa.Column("normalized_seats_count", sa.Integer(), nullable=False),
+        sa.Column("normalized_groups_count", sa.Integer(), nullable=False),
+        sa.Column("normalized_sectors_count", sa.Integer(), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.ForeignKeyConstraint(["source_upload_id"], ["uploads.upload_id"], ondelete="RESTRICT"),
+    )
+    op.create_index("ix_schemes_scheme_id", "schemes", ["scheme_id"], unique=True)
+    op.create_index("ix_schemes_source_upload_id", "schemes", ["source_upload_id"], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_index("ix_schemes_source_upload_id", table_name="schemes")
+    op.drop_index("ix_schemes_scheme_id", table_name="schemes")
+    op.drop_table("schemes")