413 lines
23 KiB
Python
413 lines
23 KiB
Python
from __future__ import annotations
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import sqlite3
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import json
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from .connection import connect, resolve_db_path
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from .schema import ACCOUNT_ADDITIVE_COLUMNS, SCHEMA_SQL, SCHEMA_VERSION, TRANSACTION_ADDITIVE_COLUMNS
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def _execute_script_transactional(conn: sqlite3.Connection, script: str) -> None:
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"""Execute a schema script without executescript's implicit COMMIT."""
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statement = ""
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for line in script.splitlines():
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statement += line + "\n"
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if sqlite3.complete_statement(statement):
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_execute_one_schema_statement(conn, statement)
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statement = ""
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if statement.strip():
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_execute_one_schema_statement(conn, statement)
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def _execute_one_schema_statement(conn: sqlite3.Connection, statement: str) -> None:
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if statement.lstrip().upper().startswith("PRAGMA JOURNAL_MODE=WAL"):
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return
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try:
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conn.execute(statement)
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except sqlite3.OperationalError as exc:
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if "no such column" not in str(exc):
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raise
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def _stored_version(conn: sqlite3.Connection) -> str | None:
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try:
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row = conn.execute("SELECT value FROM schema_meta WHERE key='schema_version'").fetchone()
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except sqlite3.OperationalError as exc:
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if "no such table" in str(exc):
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return None
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raise
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return row["value"] if row else None
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def _compatible_known_v16(conn: sqlite3.Connection) -> bool:
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"""Allow only the already-approved v16 development shape to normalize to v15."""
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required = {
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"accounts": {"id", "name", "type", "liquidity_bucket"},
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"transactions": {"id", "transaction_date", "amount", "raw_payload"},
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"account_snapshot": {"id", "monthly_settlement_id", "amount", "verification_status"},
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"monthly_settlement": {"id", "month", "status"},
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"settlement_cashflow_snapshots": {"id", "monthly_settlement_id", "amount"},
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}
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for table, columns in required.items():
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if not conn.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name=?", (table,)).fetchone():
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return False
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actual = _existing_columns(conn, table)
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if not columns <= actual:
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return False
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return not conn.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name IN ('asset_snapshot_runs','manual_assets','asset_snapshots','account_valuations')").fetchone()
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def _existing_columns(conn: sqlite3.Connection, table: str) -> set[str]:
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return {row["name"] for row in conn.execute(f"PRAGMA table_info({table})")}
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def _add_missing_columns(conn: sqlite3.Connection, table: str, columns: dict[str, str]) -> None:
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existing = _existing_columns(conn, table)
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for name, definition in columns.items():
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if name not in existing:
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conn.execute(f"ALTER TABLE {table} ADD COLUMN {name} {definition}")
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def _drop_month_settlement_latest_run_id(conn: sqlite3.Connection) -> None:
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"""Rebuild monthly_settlement so SQLite removes its FK-bearing column safely."""
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if "latest_run_id" not in _existing_columns(conn, "monthly_settlement"):
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return
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# The canonical child table references this parent; SQLite otherwise
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# rejects the deliberate parent-table rebuild even though child rows stay.
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foreign_keys = conn.execute("PRAGMA foreign_keys").fetchone()[0]
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conn.execute("PRAGMA defer_foreign_keys=ON")
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conn.execute("PRAGMA foreign_keys=OFF")
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try:
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_drop_month_settlement_latest_run_id_impl(conn)
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finally:
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conn.execute(f"PRAGMA foreign_keys={'ON' if foreign_keys else 'OFF'}")
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def _drop_month_settlement_latest_run_id_impl(conn: sqlite3.Connection) -> None:
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conn.execute("""CREATE TABLE month_settlement__v16 (
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id TEXT PRIMARY KEY,
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month TEXT NOT NULL UNIQUE CHECK (
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length(month) = 7 AND substr(month, 5, 1) = '-' AND
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CAST(substr(month, 1, 4) AS INTEGER) BETWEEN 1 AND 9999 AND
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CAST(substr(month, 6, 2) AS INTEGER) BETWEEN 1 AND 12
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),
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basis_date TEXT NOT NULL CHECK (date(basis_date) = basis_date),
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status TEXT NOT NULL CHECK (status IN ('draft', 'in_review', 'approved', 'closed', 'cancelled')),
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version INTEGER NOT NULL CHECK (typeof(version) = 'integer' AND version > 0),
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memo TEXT NOT NULL DEFAULT '', created_by TEXT NOT NULL, created_at TEXT NOT NULL,
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updated_by TEXT NOT NULL, updated_at TEXT NOT NULL, reviewed_by TEXT, reviewed_at TEXT,
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review_fingerprint TEXT, approved_by TEXT, approved_at TEXT,
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approved_version INTEGER CHECK (approved_version IS NULL OR (typeof(approved_version) = 'integer' AND approved_version > 0)),
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approved_fingerprint TEXT, approved_cashflow_fingerprint TEXT, approval_reason TEXT, approval_flags_json TEXT NOT NULL DEFAULT '{}',
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closed_by TEXT, closed_at TEXT, cancelled_by TEXT, cancelled_at TEXT, cancellation_reason TEXT,
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CHECK (status NOT IN ('approved', 'closed') OR (approved_by IS NOT NULL AND approved_at IS NOT NULL AND approved_version IS NOT NULL AND approved_fingerprint IS NOT NULL)),
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CHECK (status <> 'closed' OR (closed_by IS NOT NULL AND closed_at IS NOT NULL)),
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CHECK (status <> 'cancelled' OR (cancelled_by IS NOT NULL AND cancelled_at IS NOT NULL AND cancellation_reason IS NOT NULL))
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)""")
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columns = [row[1] for row in conn.execute("PRAGMA table_info(monthly_settlement)") if row[1] != "latest_run_id"]
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names = ", ".join(columns)
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conn.execute(f"INSERT INTO month_settlement__v16 ({names}) SELECT {names} FROM monthly_settlement")
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conn.execute("PRAGMA defer_foreign_keys=ON")
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conn.execute("PRAGMA foreign_keys=OFF")
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try:
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conn.execute("DROP TABLE monthly_settlement")
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conn.execute("ALTER TABLE month_settlement__v16 RENAME TO monthly_settlement")
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finally:
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conn.execute("PRAGMA foreign_keys=ON")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_month_settlement_status_month ON monthly_settlement(status, month)")
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def _migrate_cashflow_snapshots_to_monthly(conn: sqlite3.Connection) -> None:
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"""Replace the retired run FK only when every legacy row maps uniquely."""
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parent = conn.execute("SELECT 1 FROM sqlite_master WHERE type='table' AND name='asset_snapshot_runs'").fetchone()
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child = conn.execute("SELECT sql FROM sqlite_master WHERE type='table' AND name='settlement_cashflow_snapshots'").fetchone()
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if not child or "monthly_settlement_id" in (child["sql"] or ""):
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return
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if not parent:
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if conn.execute("SELECT 1 FROM settlement_cashflow_snapshots LIMIT 1").fetchone() is None:
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conn.execute("DROP TABLE settlement_cashflow_snapshots")
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conn.execute("""CREATE TABLE settlement_cashflow_snapshots (
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id TEXT PRIMARY KEY, monthly_settlement_id TEXT NOT NULL REFERENCES monthly_settlement(id) ON DELETE RESTRICT,
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cashflow_kind TEXT NOT NULL, category TEXT NOT NULL DEFAULT '', subcategory TEXT NOT NULL DEFAULT '',
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amount INTEGER NOT NULL, transaction_count INTEGER NOT NULL, currency TEXT NOT NULL,
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UNIQUE (monthly_settlement_id, cashflow_kind, category, subcategory, currency)
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)""")
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return
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raise sqlite3.DatabaseError("cannot migrate settlement cashflow snapshots: legacy run parent is missing")
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run_columns = _existing_columns(conn, "asset_snapshot_runs")
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period_column = next((c for c in ("settlement_month", "month", "period", "basis_date") if c in run_columns), None)
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if period_column is None:
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raise sqlite3.DatabaseError("cannot migrate settlement cashflow snapshots: legacy run has no month metadata")
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rows = conn.execute(f"SELECT id, {period_column} AS period FROM asset_snapshot_runs").fetchall()
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mapping = {}
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for row in rows:
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period = row["period"]
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month = period[:7] if period and len(period) >= 7 else period
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matches = conn.execute("SELECT id FROM monthly_settlement WHERE month=?", (month,)).fetchall()
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if len(matches) != 1:
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if conn.execute("SELECT 1 FROM settlement_cashflow_snapshots WHERE settlement_run_id=?", (row["id"],)).fetchone():
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raise sqlite3.DatabaseError(f"ambiguous legacy settlement run mapping: {row['id']}")
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else:
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mapping[row["id"]] = matches[0]["id"]
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conn.execute("ALTER TABLE settlement_cashflow_snapshots RENAME TO settlement_cashflow_snapshots__legacy")
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conn.execute("""CREATE TABLE settlement_cashflow_snapshots (
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id TEXT PRIMARY KEY, monthly_settlement_id TEXT NOT NULL REFERENCES monthly_settlement(id) ON DELETE RESTRICT,
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cashflow_kind TEXT NOT NULL CHECK (cashflow_kind IN ('income', 'expense', 'excluded')),
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category TEXT NOT NULL DEFAULT '', subcategory TEXT NOT NULL DEFAULT '',
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amount INTEGER NOT NULL CHECK (typeof(amount) = 'integer'),
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transaction_count INTEGER NOT NULL CHECK (typeof(transaction_count) = 'integer' AND transaction_count > 0),
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currency TEXT NOT NULL,
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UNIQUE (monthly_settlement_id, cashflow_kind, category, subcategory, currency)
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)""")
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for row in conn.execute("SELECT * FROM settlement_cashflow_snapshots__legacy"):
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target = mapping.get(row["settlement_run_id"])
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if target is None:
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raise sqlite3.DatabaseError(f"cannot migrate legacy settlement run without unique monthly mapping: {row['settlement_run_id']}")
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conn.execute("INSERT INTO settlement_cashflow_snapshots VALUES(?,?,?,?,?,?,?,?)", (row["id"], target, row["cashflow_kind"], row["category"], row["subcategory"], row["amount"], row["transaction_count"], row["currency"]))
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conn.execute("DROP TABLE settlement_cashflow_snapshots__legacy")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_settlement_cashflow_snapshots_month ON settlement_cashflow_snapshots(monthly_settlement_id)")
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def _drop_legacy_snapshot_storage(conn: sqlite3.Connection) -> None:
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_migrate_cashflow_snapshots_to_monthly(conn)
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conn.execute("DROP TABLE IF EXISTS asset_snapshot_runs")
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def _rename_legacy_month_settlement(conn: sqlite3.Connection) -> None:
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"""Rename the legacy parent before fresh schema creation updates child FKs."""
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old = conn.execute(
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"SELECT 1 FROM sqlite_master WHERE type='table' AND name='month_settlement'"
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).fetchone()
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new = conn.execute(
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"SELECT 1 FROM sqlite_master WHERE type='table' AND name='monthly_settlement'"
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).fetchone()
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if old and new:
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raise sqlite3.DatabaseError("both month_settlement and monthly_settlement exist")
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if old:
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conn.execute("ALTER TABLE month_settlement RENAME TO monthly_settlement")
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def _rename_legacy_settlement_column(conn: sqlite3.Connection) -> None:
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"""Rename the child FK column without rebuilding rows or changing schema version."""
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columns = _existing_columns(conn, "account_snapshot")
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if "month_settlement_id" in columns and "monthly_settlement_id" in columns:
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raise sqlite3.DatabaseError("both settlement FK columns exist")
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if "month_settlement_id" in columns:
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conn.execute(
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"ALTER TABLE account_snapshot RENAME COLUMN month_settlement_id TO monthly_settlement_id"
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)
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def _rename_legacy_snapshot_table(conn: sqlite3.Connection) -> None:
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"""Rename the historical table in place, preserving rows and objects."""
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old = conn.execute(
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"SELECT 1 FROM sqlite_master WHERE type='table' AND name='asset_snapshots'"
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).fetchone()
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new = conn.execute(
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"SELECT 1 FROM sqlite_master WHERE type='table' AND name='account_snapshot'"
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).fetchone()
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if old and new:
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raise sqlite3.DatabaseError("both asset_snapshots and account_snapshot exist")
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if old:
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conn.execute("ALTER TABLE asset_snapshots RENAME TO account_snapshot")
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def _drop_account_valuations(conn: sqlite3.Connection) -> None:
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"""Remove the deprecated valuation table without touching other tables."""
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conn.execute("DROP TABLE IF EXISTS account_valuations")
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def migrate_db(conn: sqlite3.Connection) -> None:
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"""Apply additive, idempotent migrations only."""
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_drop_account_valuations(conn)
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conn.execute("""CREATE TABLE IF NOT EXISTS settlement_drafts (
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id TEXT PRIMARY KEY, month TEXT NOT NULL, basis_date TEXT NOT NULL,
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status TEXT NOT NULL, version INTEGER NOT NULL, created_by TEXT NOT NULL,
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created_at TEXT NOT NULL, updated_at TEXT NOT NULL, memo TEXT NOT NULL DEFAULT '',
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create_key TEXT NOT NULL UNIQUE, correction_of_run_id TEXT NOT NULL DEFAULT '',
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correction_reason TEXT NOT NULL DEFAULT '', final_run_id TEXT NOT NULL DEFAULT '',
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final_response TEXT NOT NULL DEFAULT '', cancelled_by TEXT NOT NULL DEFAULT '',
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cancellation_reason TEXT NOT NULL DEFAULT '', cancelled_at TEXT NOT NULL DEFAULT '',
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approval_fingerprint TEXT NOT NULL DEFAULT '', approval_version INTEGER NOT NULL DEFAULT 0,
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approved_by TEXT NOT NULL DEFAULT '', approved_at TEXT NOT NULL DEFAULT '',
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approval_reason TEXT NOT NULL DEFAULT '', approval_reference TEXT NOT NULL DEFAULT '',
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approval_flags TEXT NOT NULL DEFAULT '{}'
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)""")
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conn.execute("CREATE UNIQUE INDEX IF NOT EXISTS idx_settlement_drafts_active_month ON settlement_drafts(month) WHERE status='active'")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_settlement_drafts_month ON settlement_drafts(month,created_at)")
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_add_missing_columns(conn, "settlement_drafts", {"original_request_hash": "TEXT NOT NULL DEFAULT ''", "cashflow_policy_json": "TEXT NOT NULL DEFAULT '{}'", "aggregation_version": "TEXT NOT NULL DEFAULT 'comprehensive-v1'"})
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conn.execute("""CREATE TABLE IF NOT EXISTS settlement_draft_items (
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id TEXT PRIMARY KEY, draft_id TEXT NOT NULL REFERENCES settlement_drafts(id),
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source_type TEXT NOT NULL, source_id TEXT NOT NULL, valuation_id TEXT NOT NULL DEFAULT '',
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selection_mode TEXT NOT NULL DEFAULT 'exact', selection_reason TEXT NOT NULL DEFAULT '',
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included INTEGER NOT NULL DEFAULT 1, exclusion_reason TEXT NOT NULL DEFAULT '',
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version INTEGER NOT NULL DEFAULT 1, selected_by TEXT NOT NULL DEFAULT '',
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selected_at TEXT NOT NULL DEFAULT '', evidence_json TEXT NOT NULL DEFAULT '{}',
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UNIQUE(draft_id,source_type,source_id)
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)""")
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_add_missing_columns(conn, "accounts", ACCOUNT_ADDITIVE_COLUMNS)
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_add_missing_columns(conn, "transactions", TRANSACTION_ADDITIVE_COLUMNS)
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conn.execute("CREATE INDEX IF NOT EXISTS idx_transactions_datetime ON transactions(transaction_datetime)")
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conn.execute("""CREATE TABLE IF NOT EXISTS category_rules (
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id TEXT PRIMARY KEY,
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priority INTEGER NOT NULL DEFAULT 100,
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match_field TEXT NOT NULL,
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match_type TEXT NOT NULL DEFAULT 'contains',
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pattern TEXT NOT NULL,
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amount_min INTEGER,
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amount_max INTEGER,
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day_of_month INTEGER,
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transaction_type TEXT NOT NULL DEFAULT '',
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category TEXT NOT NULL,
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subcategory TEXT NOT NULL DEFAULT '',
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person TEXT NOT NULL DEFAULT '',
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is_fixed INTEGER,
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confidence REAL NOT NULL DEFAULT 1.0,
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active INTEGER NOT NULL DEFAULT 1,
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memo TEXT NOT NULL DEFAULT '',
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)""")
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_add_missing_columns(conn, "category_rules", {"amount_min": "INTEGER", "amount_max": "INTEGER", "day_of_month": "INTEGER"})
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conn.execute("CREATE INDEX IF NOT EXISTS idx_category_rules_active_priority ON category_rules(active, priority)")
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conn.execute("CREATE UNIQUE INDEX IF NOT EXISTS idx_category_rules_unique ON category_rules(match_field, match_type, pattern, transaction_type, category, subcategory, person)")
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conn.execute("""CREATE TABLE IF NOT EXISTS ledger_categories (
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id TEXT PRIMARY KEY,
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category TEXT NOT NULL,
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subcategory TEXT NOT NULL DEFAULT '',
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cashflow_kind TEXT NOT NULL DEFAULT 'expense',
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active INTEGER NOT NULL DEFAULT 1,
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sort_order INTEGER NOT NULL DEFAULT 100,
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memo TEXT NOT NULL DEFAULT '',
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)""")
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_add_missing_columns(conn, "ledger_categories", {"cashflow_kind": "TEXT NOT NULL DEFAULT 'expense'"})
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conn.execute("CREATE INDEX IF NOT EXISTS idx_ledger_categories_active_sort ON ledger_categories(active, sort_order, category, subcategory)")
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conn.execute("CREATE UNIQUE INDEX IF NOT EXISTS idx_ledger_categories_unique ON ledger_categories(category, subcategory)")
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conn.execute("""CREATE TABLE IF NOT EXISTS account_snapshot (
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id TEXT PRIMARY KEY,
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basis_date TEXT NOT NULL,
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source_type TEXT NOT NULL,
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source_id TEXT NOT NULL DEFAULT '',
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name TEXT NOT NULL,
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amount INTEGER,
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currency TEXT NOT NULL DEFAULT 'KRW',
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liquidity_bucket TEXT NOT NULL DEFAULT 'other',
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valuation_source TEXT NOT NULL DEFAULT '',
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source_note TEXT NOT NULL DEFAULT '',
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memo TEXT NOT NULL DEFAULT '',
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correction_of_run_id TEXT NOT NULL DEFAULT '',
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correction_reason TEXT NOT NULL DEFAULT '',
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is_correction INTEGER NOT NULL DEFAULT 0,
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closed_at TEXT NOT NULL DEFAULT '',
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created_at TEXT NOT NULL
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)""")
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_add_missing_columns(conn, "account_snapshot", {
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"monthly_settlement_id": "TEXT REFERENCES monthly_settlement(id) ON DELETE RESTRICT",
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"correction_of_run_id": "TEXT NOT NULL DEFAULT ''",
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"correction_reason": "TEXT NOT NULL DEFAULT ''",
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"is_correction": "INTEGER NOT NULL DEFAULT 0",
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"closed_at": "TEXT NOT NULL DEFAULT ''",
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"valuation_id": "TEXT NOT NULL DEFAULT ''",
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"selection_policy": "TEXT NOT NULL DEFAULT 'exact'",
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"verification_status": "TEXT NOT NULL DEFAULT 'unverified'",
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"evidence_kind": "TEXT NOT NULL DEFAULT 'applied'",
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"exclusion_reason": "TEXT NOT NULL DEFAULT ''",
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})
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conn.execute("CREATE INDEX IF NOT EXISTS idx_account_snapshot_basis_date ON account_snapshot(basis_date)")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_account_snapshot_source ON account_snapshot(source_type, source_id)")
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if "monthly_settlement_id" in _existing_columns(conn, "account_snapshot"):
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conn.execute("CREATE INDEX IF NOT EXISTS idx_account_snapshot_month_settlement ON account_snapshot(monthly_settlement_id, basis_date, created_at)")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_settlement_cashflow_snapshots_month ON settlement_cashflow_snapshots(monthly_settlement_id)")
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conn.execute("""CREATE TABLE IF NOT EXISTS review_decisions (
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id TEXT PRIMARY KEY,
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target_type TEXT NOT NULL,
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target_id TEXT NOT NULL,
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status TEXT NOT NULL DEFAULT 'pending',
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decision_type TEXT NOT NULL DEFAULT 'unknown',
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reason_code TEXT NOT NULL DEFAULT '',
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memo TEXT NOT NULL DEFAULT '',
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operator TEXT NOT NULL DEFAULT 'operator',
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decided_at TEXT NOT NULL DEFAULT '',
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review_after TEXT NOT NULL DEFAULT '',
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target_payload TEXT NOT NULL DEFAULT '{}',
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)""")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_review_decisions_target ON review_decisions(target_type, target_id, updated_at)")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_review_decisions_status ON review_decisions(status, review_after, updated_at)")
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conn.execute("""CREATE TABLE IF NOT EXISTS reconciliation_sessions (
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id TEXT PRIMARY KEY,
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account_id TEXT NOT NULL,
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basis_date TEXT NOT NULL,
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expected_balance INTEGER,
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actual_balance INTEGER,
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difference INTEGER,
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status TEXT NOT NULL DEFAULT 'open',
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closed_at TEXT NOT NULL DEFAULT '',
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source_note TEXT NOT NULL DEFAULT '',
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memo TEXT NOT NULL DEFAULT '',
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operator TEXT NOT NULL DEFAULT 'operator',
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL
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)""")
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conn.execute("CREATE UNIQUE INDEX IF NOT EXISTS idx_reconciliation_sessions_account_basis ON reconciliation_sessions(account_id, basis_date)")
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conn.execute("CREATE INDEX IF NOT EXISTS idx_reconciliation_sessions_status ON reconciliation_sessions(status, closed_at)")
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_drop_month_settlement_latest_run_id(conn)
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conn.execute("""CREATE TABLE IF NOT EXISTS monthly_settlement (
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id TEXT PRIMARY KEY,
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month TEXT NOT NULL UNIQUE CHECK (
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length(month) = 7 AND substr(month, 5, 1) = '-' AND
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CAST(substr(month, 1, 4) AS INTEGER) BETWEEN 1 AND 9999 AND
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CAST(substr(month, 6, 2) AS INTEGER) BETWEEN 1 AND 12
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),
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basis_date TEXT NOT NULL CHECK (date(basis_date) = basis_date),
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status TEXT NOT NULL CHECK (status IN ('draft', 'in_review', 'approved', 'closed', 'cancelled')),
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version INTEGER NOT NULL CHECK (typeof(version) = 'integer' AND version > 0),
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memo TEXT NOT NULL DEFAULT '', created_by TEXT NOT NULL, created_at TEXT NOT NULL,
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updated_by TEXT NOT NULL, updated_at TEXT NOT NULL, reviewed_by TEXT, reviewed_at TEXT,
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review_fingerprint TEXT, approved_by TEXT, approved_at TEXT,
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approved_version INTEGER CHECK (approved_version IS NULL OR (typeof(approved_version) = 'integer' AND approved_version > 0)),
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approved_fingerprint TEXT, approved_cashflow_fingerprint TEXT, approval_reason TEXT, approval_flags_json TEXT NOT NULL DEFAULT '{}',
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closed_by TEXT, closed_at TEXT, cancelled_by TEXT, cancelled_at TEXT, cancellation_reason TEXT,
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CHECK (status NOT IN ('approved', 'closed') OR (approved_by IS NOT NULL AND approved_at IS NOT NULL AND approved_version IS NOT NULL AND approved_fingerprint IS NOT NULL)),
|
|
CHECK (status <> 'closed' OR (closed_by IS NOT NULL AND closed_at IS NOT NULL)),
|
|
CHECK (status <> 'cancelled' OR (cancelled_by IS NOT NULL AND cancelled_at IS NOT NULL AND cancellation_reason IS NOT NULL))
|
|
)""")
|
|
conn.execute("CREATE INDEX IF NOT EXISTS idx_month_settlement_status_month ON monthly_settlement(status, month)")
|
|
_add_missing_columns(conn, "monthly_settlement", {"approved_cashflow_fingerprint": "TEXT"})
|
|
_drop_legacy_snapshot_storage(conn)
|
|
# schema version 16 retires manual_assets without creating replacement rows.
|
|
conn.execute("DROP TABLE IF EXISTS manual_assets")
|
|
conn.execute("INSERT OR REPLACE INTO schema_meta(key, value) VALUES ('schema_version', ?)", (SCHEMA_VERSION,))
|
|
|
|
|
|
def init_db(db_path: str | None = None) -> str:
|
|
path = resolve_db_path(db_path)
|
|
with connect(str(path)) as conn:
|
|
stored = _stored_version(conn)
|
|
if stored not in (None, "14", "15"):
|
|
if stored == "16" and _compatible_known_v16(conn):
|
|
pass
|
|
else:
|
|
raise sqlite3.DatabaseError(f"unsupported schema version {stored}; refusing implicit downgrade")
|
|
# Keep the entire migration atomic. In particular, executescript() commits
|
|
# implicitly, which would leave half-renamed legacy tables after a failure.
|
|
conn.execute("BEGIN")
|
|
conn.execute("PRAGMA defer_foreign_keys=ON")
|
|
conn.execute("PRAGMA foreign_keys=OFF")
|
|
_rename_legacy_month_settlement(conn)
|
|
_rename_legacy_snapshot_table(conn)
|
|
_rename_legacy_settlement_column(conn)
|
|
# The canonical schema creates monthly_settlement before legacy cashflow
|
|
# rows are mapped from asset_snapshot_runs.
|
|
_execute_script_transactional(conn, SCHEMA_SQL)
|
|
_migrate_cashflow_snapshots_to_monthly(conn)
|
|
migrate_db(conn)
|
|
conn.execute("PRAGMA foreign_keys=ON")
|
|
conn.execute("INSERT OR REPLACE INTO schema_meta(key, value) VALUES ('schema_version', ?)", (SCHEMA_VERSION,))
|
|
conn.commit()
|
|
return str(path)
|