feat(portfolios): add unified ledger history API

2026-08-20 12:01:28 +09:00
parent fe22be0b66
commit ac742b1150
10 changed files with 307 additions and 25 deletions
@@ -0,0 +1,31 @@
+"""portfolio_ledger: keyset pagination index for unified ledger reads
+
+Revision ID: 20260820_0030
+Revises: 20260814_0029
+Create Date: 2026-08-20 10:50:00
+"""
+
+from __future__ import annotations
+
+from alembic import op
+from sqlalchemy import text
+
+revision = "20260820_0030"
+down_revision = "20260814_0029"
+branch_labels = None
+depends_on = None
+
+_INDEX = "idx_portfolio_ledger_portfolio_recorded_entry_desc"
+
+
+def upgrade() -> None:
+    op.get_bind().execute(
+        text(
+            f"CREATE INDEX IF NOT EXISTS {_INDEX} "
+            "ON portfolio_ledger (portfolio_id, recorded_at DESC, ledger_entry_id DESC)"
+        )
+    )
+
+
+def downgrade() -> None:
+    op.get_bind().execute(text(f"DROP INDEX IF EXISTS {_INDEX}"))