Files
jorgecuadros-platform/migration/transform_policies.py
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rmancinasandClaude Opus 4.8 1b79b43a54
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fix(migration): make Phase B additive sync actually work + verify end-to-end
The --sync path had never been run and was broken in several ways. Fixed and
verified against the dev DB (two consecutive syncs, both exit 0, 32/32
assertions: stable PKs, manual-row preservation, changed-row updates,
legacy-delete, no child duplication, zero FK orphans; idempotent).

- policies/properties: reuse each legacy row's existing id (by provenance)
  BEFORE building child rows, so children no longer point at a discarded fresh
  uuid; rebuild legacy-owned children via scoped delete + reinsert.
- customers: replace zip(customers, refs) (mispaired almost every row) with a
  ref-grouped id remap; names now restore and no spurious customers appear.
- drop the invalid Vehicle @@unique(legacySourceTable, legacyId) — one legacy
  policy row carries up to 3 vehicles sharing a legacyId; handle via delete+reinsert.
- upsert lookup tables (policy_types, insurance_providers, type_transactions,
  adjusters) by natural name and remap child FKs instead of inserting fresh
  uuids that nothing points at.
- transactions: drop updatedAt=NOW() (no such column); guard report formatting
  on NULL legacySourceTable (manual rows). Same report guard in bank.
- add manual-safe prune (prune_empty_customers.py --sync, in SYNC_STEPS): prune
  only legacy-owned empties, never manually-added customers.

web: customer-detail mini tx list now strikes voided rows with an "(anulado)"
tag (was the last void-UI rendering gap; /estado-cuenta already handled it).

docs: RESUME.md updated — Phase B sync marked verified end-to-end, void-UI
browser pass recorded.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-24 13:37:22 -07:00

445 lines
24 KiB
Python

"""
Migration plan step 3 (policies): consolidate every insurance line into one
`policies` table + child tables, resolving each policy's customer FK through
the insurance customer_legacy_refs (run AFTER transform_customers.py).
One Access table per line of business becomes rows in `policies` tagged by a
policy_types discriminator, plus:
- policy_payment_installments : the 4 hardcoded payment slots, unpivoted
- vehicles : the up-to-3 hardcoded vehicle slots
- insured_drivers : the up-to-3 hardcoded named-insured slots
- policy_beneficiaries : from BENEF (by policy number)
- claims : from DATOS (siniestros)
- adjusters : from AJUSTADORES / AJUSTADORESATLAS
Design (validated against staged data):
- Customer link column varies (num_id / numer_id); ~10 policy customer ids
across all tables don't resolve to a loaded insurance customer -> those
policies are skipped and counted (required FK).
- Payment slots: c_1er_pago is the first amount, pago_subsec the recurring
amount for slots 2-4; efectivo is a cash flag, no_cheque the check ref.
- Any source column not explicitly modeled (coverage amounts: edificio,
contenidos, robo, cristales, ...) is preserved verbatim in coveragesJson,
so nothing is lost in consolidation.
- docs_1/docs_2/foto1 (LONGBINARY) are skipped — documents are step 4.
Run: ./.venv/bin/python transform_policies.py --env dev
"""
from __future__ import annotations
import json
import uuid
from datetime import datetime, timezone
from decimal import Decimal, InvalidOperation
from pathlib import Path
import pandas as pd
from dbenv import connect, env_arg
from sync import parse_mode, existing_ids, delete_missing
STG = Path(__file__).parent / "output" / "stg_seguros"
LEGACY_DB = "SEGUROS 16_be"
NULL = "∅"
NOW = datetime.now(timezone.utc).replace(tzinfo=None)
_ADDR = {"calle_y_no", "col", "edo", "tel", "cp", "_row_num", "nombre_aseg", "observaciones"}
def s(v):
if v is None or pd.isna(v):
return None
v = str(v).strip()
return None if v in ("", NULL, "0000-00-00") else v
def norm_id(v):
v = s(v)
if v is None:
return None
if v.endswith(".0"):
v = v[:-2]
return v
def dec(v):
v = s(v)
if v is None:
return None
try:
return Decimal(v.replace(",", ""))
except (InvalidOperation, ValueError):
return None
def dt(v):
v = s(v)
if v is None:
return None
d = pd.to_datetime(v, errors="coerce")
return None if pd.isna(d) else d.to_pydatetime()
def cur(v):
v = (s(v) or "").upper()
if v.startswith("DOL") or v.startswith("USD") or "DOLLAR" in v:
return "USD"
if v.startswith("PES") or v.startswith("MXN") or v.startswith("MN"):
return "MXN"
return "MXN"
def truthy(v):
return (s(v) or "0").lower() in {"1", "-1", "true", "si", "sí", "yes", "x"}
# --- per-table config ------------------------------------------------------- #
# fields: policy column -> source column. installments: list of slot dicts.
# vehicles: 'trip_underscore' | 'single' | 'mca2' | None. drivers: 'mca2' |
# 'licencias' | None.
HOME_INST = [
dict(seq=1, amt="c_1er_pago", cu="moned", d="fecha_pago", ck="no_cheque", cash="efectivo"),
dict(seq=2, amt="pago_subsec", cu="moned_2", d="fecha_pago_2", ck="no_cheque_2", cash="efectivo_2"),
dict(seq=3, amt="pago_subsec", cu="moned_3", d="fecha_pago_3", ck="no_cheque_3", cash="efectivo_3"),
dict(seq=4, amt="pago_subsec", cu="moned_4", d="fecha_pago_4", ck="no_cheque_4", cash="efectivo_4"),
]
HOME_FIELDS = dict(polno="no_poliza", agent="agent", comp="comp", desde="desde", hasta="hasta",
forma="forma_pago", curcol="moned", pneta="p_neta", dpol="d_pol", com="com",
liquidada="liquidada", numliq="num_liquidacion", fliq="f_liquida1", renov="renovacion")
AUTO_SINGLE_INST = [dict(seq=1, amt="total", cu="moneda", d="fecha_pago", ck="no_cheque", cash="efectivo")]
CONFIGS = {
"incendio": dict(ptype="INCENDIO", idcol="num_id", fields={**HOME_FIELDS, "curcol": "moneda"},
inst=HOME_INST, veh=None, drv=None),
"mult": dict(ptype="MULT", idcol="num_id", fields=HOME_FIELDS, inst=HOME_INST, veh=None, drv=None),
"m_empr": dict(ptype="M_EMPR", idcol="num_id", fields=HOME_FIELDS, inst=HOME_INST, veh=None, drv=None),
"tabla_autos": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde",
hasta="hasta", forma="forma_pago", curcol="moneda", pneta="prima_neta",
dpol="d_poliza", total="total", liquidada="liquidada",
numliq="num_liquidacion", fliq="f_liquida1", renov="renovacion"),
inst=AUTO_SINGLE_INST, veh="trip_underscore", drv=None),
"tabla_autos_ampl": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde",
hasta="hasta", forma="forma_pago", curcol="moneda", pneta="prima_neta",
dpol="d_poliza", total="total", liquidada="liquidada",
numliq="num_liquidacion", fliq="f_liquida1", renov="renovacion"),
inst=AUTO_SINGLE_INST, veh="single", drv=None),
"tabla_autos_limit": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde",
hasta="hasta", forma="forma_pago", curcol="moneda", pneta="prima_neta",
dpol="d_poliza", total="total", liquidada="liquidada", renov="renovacion"),
inst=AUTO_SINGLE_INST, veh="single", drv=None),
"tabla_autos_ampl_r": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde",
hasta="hasta", forma="forma_pago", curcol="moneda", pneta="prima_neta",
dpol="d_poliza", com="com", liquidada="liquidada",
numliq="num_liquidacion", fliq="f_liquida1", renov="renovacion"),
inst=[dict(seq=1, amt="c_1er_pago", cu="moneda", d="fecha_pago", ck="no_cheque", cash="efectivo"),
dict(seq=2, amt="pago_subsec", cu="moned_2", d="fecha_pago_2", ck="no_cheque_2", cash="efectivo_2")],
veh="single", drv=None),
"tabla_autos_rc_r": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde",
hasta="hasta", forma="forma_pago", curcol="moneda", pneta="prima_neta",
dpol="d_poliza", com="com", liquidada="liquidada",
numliq="num_liquidacion", fliq="f_liquida1", renov="renovacion"),
inst=[dict(seq=1, amt="c_1er_pago", cu="moneda", d="fecha_pago", ck="no_cheque", cash="efectivo"),
dict(seq=2, amt="pago_subsec", cu="moned_2", d="fecha_pago_2", ck="no_cheque_2", cash="efectivo_2")],
veh="single", drv=None),
"mca2": dict(ptype="AUTO", idcol="numer_id",
fields=dict(polno="poliza", agent="agent", comp="comp", desde="desde", hasta="hasta",
forma="forma_pago", curcol="moned", pneta="prima1", dpol="d_poliza1",
liquidada="liquidada", numliq="nuliquida", fliq="f_liquida1", renov="renovacion"),
inst=[dict(seq=1, amt="c_1er_pago", cu="moned", d="fecha_pago", ck="no_cheque", cash="efectivo")],
veh="mca2", drv="mca2"),
"licencias": dict(ptype="LICENCIAS", idcol="numer_id",
fields=dict(polno="no_poliza", agent="agent", comp="comp", desde="desde", hasta="hasta",
forma="forma_pago", curcol="moneda", pneta="prima_neta", dpol="d_poliza",
total="total", liquidada="liquidada", numliq="num_liquidacion",
fliq="f_liquida1", renov="renovacion"),
inst=[dict(seq=1, amt="total", cu="moneda", d="fecha_pago", ck="no_cheque", cash="efectivo")],
veh=None, drv="licencias"),
}
def load(name):
df = pd.read_parquet(STG / f"{name}.parquet").sort_values("_row_num").reset_index(drop=True)
df = df[[c for c in df.columns if c != "_legacy_source_table"]].copy()
for c in df.columns:
if c != "_row_num":
df[c] = df[c].astype("string").str.strip()
return df
def main():
env, sync_mode = parse_mode()
conn = connect(env)
print(f"[policies] target env: {env}")
c = conn.cursor()
c.execute("SELECT legacyId, customerId FROM customer_legacy_refs WHERE sourceSystem='insurance'")
cust = {r[0]: r[1] for r in c.fetchall()}
# Sync mode reuses each legacy policy's existing id (keyed by provenance) so
# its PK is stable and every child row built below points at the right
# parent. New legacy policies fall through to a fresh uuid.
existing_pol = existing_ids(
c, "policies", ("legacySourceDb", "legacySourceTable", "legacyId"),
"WHERE legacyId IS NOT NULL") if sync_mode else {}
pol_keys: set = set()
policies, insts, vehicles, drivers = [], [], [], []
polno_to_id = {} # policy number -> a policyId (for BENEF/DATOS linking)
providers, ptypes = set(), set()
skipped = 0
for table, cfg in CONFIGS.items():
df = load(table)
F = cfg["fields"]
ptypes.add(cfg["ptype"])
consumed = {cfg["idcol"], *F.values()}
for slot in cfg["inst"]:
consumed |= {slot["amt"], slot["cu"], slot["d"], slot["ck"], slot["cash"]}
for _, row in df.iterrows():
cid = cust.get(norm_id(row[cfg["idcol"]]))
if not cid:
skipped += 1
continue
legacy_pid = str(int(row["_row_num"]))
pkey = (LEGACY_DB, table, legacy_pid)
pol_keys.add(pkey)
pid = existing_pol.get(pkey) or str(uuid.uuid4())
comp = s(row.get(F.get("comp", ""), None)) if F.get("comp") else None
if comp:
providers.add(comp)
polno = s(row.get(F["polno"])) if F.get("polno") else None
if polno:
polno_to_id[polno] = pid
# coverages = everything not explicitly consumed / address / doc-ish
cov = {}
for col in df.columns:
if col in consumed or col in _ADDR:
continue
if col.startswith(("marca", "modelo", "carroceria", "motor", "placa", "clase",
"auto_id", "a_o", "edo", "name", "birth", "edad", "lic",
"ocup", "sex", "nombre_aseg_", "docs_", "foto")):
continue
val = s(row[col])
if val is not None:
cov[col] = val
policies.append((
pid, polno or "(SIN POLIZA)", cid, cfg["ptype"], comp,
s(row.get(F.get("agent", ""))) if F.get("agent") else None,
dt(row.get(F.get("desde", ""))) if F.get("desde") else None,
dt(row.get(F.get("desde", ""))) if F.get("desde") else None,
dt(row.get(F.get("hasta", ""))) if F.get("hasta") else None,
dec(row.get(F.get("pneta", ""))) if F.get("pneta") else None,
dec(row.get(F.get("dpol", ""))) if F.get("dpol") else None,
dec(row.get(F.get("com", ""))) if F.get("com") else None,
dec(row.get(F.get("total", ""))) if F.get("total") else None,
cur(row.get(F.get("curcol", ""))) if F.get("curcol") else "MXN",
s(row.get("observaciones")),
json.dumps(cov, ensure_ascii=False) if cov else None,
1 if truthy(row.get(F.get("liquidada", ""))) else 0,
s(row.get(F.get("numliq", ""))) if F.get("numliq") else None,
dt(row.get(F.get("fliq", ""))) if F.get("fliq") else None,
LEGACY_DB, table, str(int(row["_row_num"])), NOW,
))
# installments
for slot in cfg["inst"]:
amt = dec(row.get(slot["amt"]))
pdate = dt(row.get(slot["d"]))
if amt is None and pdate is None:
continue
insts.append((str(uuid.uuid4()), pid, slot["seq"], amt,
cur(row.get(slot["cu"])), pdate, s(row.get(slot["ck"])),
1 if truthy(row.get(slot["cash"])) else 0))
# vehicles
def add_vehicle(make, model, body, engine, plate, year=None, state=None):
if not any([make, model, plate, engine]):
return
vehicles.append((str(uuid.uuid4()), cid, pid, make, model, year, body,
engine, plate, state, table, str(int(row["_row_num"]))))
if cfg["veh"] == "trip_underscore":
for i in ("1", "2", "3"):
add_vehicle(s(row.get(f"marca_{i}")), s(row.get(f"modelo_{i}")),
s(row.get(f"carroceria_{i}")), s(row.get(f"motor_{i}")),
s(row.get(f"placa_{i}")))
elif cfg["veh"] == "single":
add_vehicle(s(row.get("marca")), s(row.get("modelo")), s(row.get("carroceria")),
s(row.get("motor")), s(row.get("placa")))
elif cfg["veh"] == "mca2":
for i in ("1", "2", "3"):
add_vehicle(s(row.get(f"marca{i}")), s(row.get(f"modelo{i}")),
s(row.get(f"clase{i}")), s(row.get(f"auto_id{i}")),
s(row.get(f"placa{i}")), year=s(row.get(f"a_o{i}")),
state=s(row.get(f"edo{i}")))
# drivers
def add_driver(name, birth=None, sex=None, occ=None, lic=None, lstate=None):
if not name and not lic:
return
drivers.append((str(uuid.uuid4()), pid, name, dt(birth), sex, occ, lic, lstate))
if cfg["drv"] == "mca2":
for i in ("1", "2", "3"):
add_driver(s(row.get(f"name{i}")), s(row.get(f"birth{i}")),
s(row.get(f"sex{i}")), s(row.get(f"ocup{i}")),
s(row.get(f"lic{i}")), s(row.get(f"licedo{i}")))
elif cfg["drv"] == "licencias":
for i in ("1", "2", "3"):
add_driver(s(row.get(f"nombre_aseg_{i}")), lic=s(row.get(f"lic_{i}")),
lstate=s(row.get(f"edo_{i}")))
# beneficiaries (BENEF -> by policy number)
benef = load("benef")
benes = []
for _, r in benef.iterrows():
pid = polno_to_id.get(s(r["bpoliza"]))
if pid:
benes.append((str(uuid.uuid4()), pid, s(r["bnombre"]), s(r["bdireccion"]),
s(r["btel"]), s(r["bemail"])))
# adjusters (AJUSTADORES + ATLAS)
adj_rows, adj_by_name = [], {}
for t in ("ajustadores", "ajustadoresatlas"):
for _, r in load(t).iterrows():
aid = str(uuid.uuid4())
name = s(r["nombre"])
adj_rows.append((aid, s(r["comp"]), s(r["ciudad"]), name, s(r["tel"]), s(r["beeper"])))
if name:
adj_by_name.setdefault(name.upper(), aid)
# claims (DATOS)
claims = []
for _, r in load("datos").iterrows():
pid = polno_to_id.get(s(r["poliza"]))
if not pid:
continue
adjid = adj_by_name.get((s(r["ajustador"]) or "").upper())
claims.append((str(uuid.uuid4()), pid, s(r["tipo"]), dt(r["fecha_siniestro"]),
dt(r["fecha_reportado"]), s(r["descripcion"]), adjid,
dec(r["cantidad_reclamada"]), dec(r["cantidad_pactada"]),
dt(r["fecha_cheque"]), s(r["num_cheque"]),
1 if truthy(r["concluido"]) else 0, s(r["resolucion"])))
pol_cols = ("id,policyNumber,customerId,policyTypeId,insuranceProviderId,agentName,policyDate,"
"policyFrom,policyTo,netPremium,policyFee,commission,total,currency,observations,"
"coveragesJson,liquidated,liquidationNumber,liquidationDate,legacySourceDb,"
"legacySourceTable,legacyId,updatedAt")
ph = ",".join(["%s"] * 23)
pol_upsert = (
f"INSERT INTO policies ({pol_cols}) VALUES ({ph}) ON DUPLICATE KEY UPDATE "
"customerId=VALUES(customerId),policyNumber=VALUES(policyNumber),policyTypeId=VALUES(policyTypeId),"
"insuranceProviderId=VALUES(insuranceProviderId),agentName=VALUES(agentName),policyDate=VALUES(policyDate),"
"policyFrom=VALUES(policyFrom),policyTo=VALUES(policyTo),netPremium=VALUES(netPremium),policyFee=VALUES(policyFee),"
"commission=VALUES(commission),total=VALUES(total),currency=VALUES(currency),observations=VALUES(observations),"
"coveragesJson=VALUES(coveragesJson),liquidated=VALUES(liquidated),liquidationNumber=VALUES(liquidationNumber),"
"liquidationDate=VALUES(liquidationDate),updatedAt=VALUES(updatedAt),archivedAt=NULL")
if sync_mode:
# policy_types / providers: upsert by their name unique, keep ids stable.
c.execute("SELECT name,id FROM policy_types")
ptype_ids = dict(c.fetchall())
for n in ptypes:
ptype_ids.setdefault(n, str(uuid.uuid4()))
c.executemany("INSERT INTO policy_types (id,name) VALUES (%s,%s) ON DUPLICATE KEY UPDATE name=VALUES(name)", [(i, n) for n, i in ptype_ids.items()])
c.execute("SELECT name,id FROM insurance_providers")
prov_ids = dict(c.fetchall())
for n in providers:
prov_ids.setdefault(n, str(uuid.uuid4()))
c.executemany("INSERT INTO insurance_providers (id,name) VALUES (%s,%s) ON DUPLICATE KEY UPDATE name=VALUES(name)", [(i, n) for n, i in prov_ids.items()])
# Adjusters carry no provenance key, so they can't be upserted by one.
# Resolve claims against the adjusters already in the DB (manual + prior
# loads), inserting only names not present yet — keeps manual adjusters
# and every claim's adjusterId FK valid.
c.execute("SELECT id,name FROM adjusters")
db_adj = {(nm or "").upper(): i for i, nm in c.fetchall()}
adj_id_name = {aid: (nm or "").upper() for aid, comp, city, nm, tel, bp in adj_rows}
new_adj = []
for aid, comp, city, nm, tel, bp in adj_rows:
if nm and nm.upper() not in db_adj:
db_adj[nm.upper()] = aid
new_adj.append((aid, comp, city, nm, tel, bp))
if new_adj:
c.executemany("INSERT INTO adjusters (id,company,city,name,phone,beeper) VALUES (%s,%s,%s,%s,%s,%s)", new_adj)
claims = [(cl[0], cl[1], *cl[2:6], db_adj.get(adj_id_name.get(cl[6])) if cl[6] else None, *cl[7:]) for cl in claims]
# Rebuild every child of a legacy-owned policy before re-inserting the
# children below (manual rows survive: vehicles by their own null
# provenance, the rest by their parent policy's null provenance).
c.execute("DELETE FROM vehicles WHERE legacyId IS NOT NULL")
for tbl in ("policy_payment_installments", "insured_drivers", "policy_beneficiaries", "claims"):
c.execute(f"DELETE ch FROM {tbl} ch JOIN policies p ON p.id=ch.policyId WHERE p.legacyId IS NOT NULL")
pol_rows = [tuple([p[0], p[1], p[2], ptype_ids.get(p[3]), prov_ids.get(p[4]), *p[5:]]) for p in policies]
c.executemany(pol_upsert, pol_rows)
# Drop legacy policies that vanished from source (children already gone).
delete_missing(c, "policies", ("legacySourceDb", "legacySourceTable", "legacyId"), pol_keys, "WHERE legacyId IS NOT NULL")
else:
c.execute("SET FOREIGN_KEY_CHECKS=0")
for t in ("policy_payment_installments", "vehicles", "insured_drivers",
"policy_beneficiaries", "claims", "adjusters",
"policies", "policy_types", "insurance_providers"):
c.execute(f"TRUNCATE TABLE {t}")
c.execute("SET FOREIGN_KEY_CHECKS=1")
ptype_ids = {n: str(uuid.uuid4()) for n in ptypes}
c.executemany("INSERT INTO policy_types (id,name) VALUES (%s,%s)", [(i, n) for n, i in ptype_ids.items()])
prov_ids = {n: str(uuid.uuid4()) for n in providers}
c.executemany("INSERT INTO insurance_providers (id,name) VALUES (%s,%s)", [(i, n) for n, i in prov_ids.items()])
c.executemany("INSERT INTO adjusters (id,company,city,name,phone,beeper) VALUES (%s,%s,%s,%s,%s,%s)", adj_rows)
pol_rows = [tuple([p[0], p[1], p[2], ptype_ids.get(p[3]), prov_ids.get(p[4]), *p[5:]]) for p in policies]
c.executemany(f"INSERT INTO policies ({pol_cols}) VALUES ({ph})", pol_rows)
c.executemany("INSERT INTO policy_payment_installments "
"(id,policyId,sequence,amount,currency,paidDate,checkNumber,isCash) "
"VALUES (%s,%s,%s,%s,%s,%s,%s,%s)", insts)
c.executemany("INSERT INTO vehicles (id,customerId,policyId,make,model,modelYear,bodyType,"
"engineNumber,licensePlate,stateCode,legacySourceTable,legacyId) "
"VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)", vehicles)
c.executemany("INSERT INTO insured_drivers (id,policyId,fullName,birthDate,sex,occupation,"
"licenseNumber,licenseState) VALUES (%s,%s,%s,%s,%s,%s,%s,%s)", drivers)
c.executemany("INSERT INTO policy_beneficiaries (id,policyId,name,address,phone,email) "
"VALUES (%s,%s,%s,%s,%s,%s)", benes)
c.executemany("INSERT INTO claims (id,policyId,claimType,incidentDate,reportedDate,description,"
"adjusterId,claimedAmount,settledAmount,settlementDate,checkNumber,resolved,"
"resolutionNotes) VALUES (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)", claims)
conn.commit()
# --- report ---
def count(t):
c.execute(f"SELECT COUNT(*) FROM {t}"); return c.fetchone()[0]
c.execute("SELECT pt.name, COUNT(*) FROM policies p JOIN policy_types pt ON p.policyTypeId=pt.id "
"GROUP BY pt.name ORDER BY 2 DESC")
by_type = c.fetchall()
c.execute("SELECT COUNT(*) FROM policies p LEFT JOIN customers c ON p.customerId=c.id WHERE c.id IS NULL")
orphans = c.fetchone()[0]
print("=== Policies load complete ===")
print(f" skipped (unresolved customer): {skipped}")
print(f" -> policies : {count('policies')}")
for n, k in by_type:
print(f" {n:12} {k}")
print(f" -> payment_installments : {count('policy_payment_installments')}")
print(f" -> vehicles : {count('vehicles')}")
print(f" -> insured_drivers : {count('insured_drivers')}")
print(f" -> policy_beneficiaries : {count('policy_beneficiaries')}")
print(f" -> claims : {count('claims')}")
print(f" -> policy_types : {count('policy_types')}")
print(f" -> insurance_providers : {count('insurance_providers')}")
print(f" -> adjusters : {count('adjusters')}")
print(f" orphan policies (bad customer FK): {orphans}")
assert orphans == 0, "policy customer FK invariant failed"
print(" validation: OK")
conn.close()
if __name__ == "__main__":
main()