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fix: Oracle Canvas Metadata and deterministic semantic repair

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Sagnik
2026-04-24 15:44:00 +05:30
parent 8d41ba5549
commit 61258978e1
4 changed files with 568 additions and 14 deletions
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39
backend/oracle/natural_db_agent.py
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@@ -360,8 +360,13 @@ class NaturalDbAgent:
"Plan verifier repaired violations: "
+ ", ".join(violation.rule for violation in verification.violations if violation.severity == "blocking")
)
if not verification.passed and verification.repair_failed:
warnings.append("Plan verifier found violations but repair failed. Proceeding with original SQL.")
if not verification.passed:
details = "; ".join(
f"{violation.rule}: {violation.detail}"
for violation in verification.violations
if violation.severity == "blocking"
)
raise RuntimeError(f"Oracle SQL plan failed verification: {details}")
if verification.notes:
warnings.extend(verification.notes)
@@ -463,6 +468,25 @@ class NaturalDbAgent:
f"\n\nPREVIOUS ATTEMPT FAILED - EXECUTION FEEDBACK:\n{prior_feedback}\n"
"You must address the feedback and change the query accordingly."
)
example_section = (
"CANONICAL SQL PATTERNS:\n"
"Generic top QD clients:\n"
"SELECT p.full_name, p.primary_email, p.primary_phone, q.current_value AS qd_score, q.score_type, q.computed_at "
"FROM intel_qd_scores q JOIN crm_people p ON p.person_id = q.person_id "
"WHERE q.score_type = 'overall' ORDER BY q.current_value DESC LIMIT 8;\n"
"Property-scoped lowest QD clients:\n"
"SELECT p.full_name, p.primary_email, pi.project_name, q.current_value AS qd_score "
"FROM crm_property_interests pi JOIN crm_people p ON p.person_id = pi.person_id "
"JOIN intel_qd_scores q ON q.person_id = p.person_id "
"WHERE q.score_type = 'overall' AND pi.project_name ILIKE '%Atri Surya Toron%' "
"ORDER BY q.current_value ASC LIMIT 5;\n"
"Recently contacted high-interest clients:\n"
"SELECT p.full_name, p.primary_email, lc.last_contact_at, lc.last_channel, q.current_value AS qd_score "
"FROM read_last_contacted lc JOIN crm_people p ON p.person_id = lc.person_id "
"LEFT JOIN intel_qd_scores q ON q.person_id = p.person_id AND q.score_type = 'overall' "
"WHERE lc.last_contact_at >= NOW() - INTERVAL '3 months' "
"ORDER BY q.current_value DESC NULLS LAST LIMIT 10;"
)
response = await runtime_llm_service.chat(
provider_id="sglang",
@@ -472,7 +496,8 @@ class NaturalDbAgent:
"Use the semantic catalog as the business source of truth, not raw column guessing. "
"Generate exactly one SELECT or WITH query. "
"Return strict JSON with keys: sql, title, rationale. "
"Never generate INSERT, UPDATE, DELETE, DDL, COPY, or permission statements."
"Never generate INSERT, UPDATE, DELETE, DDL, COPY, or permission statements. "
"Never use columns that are not present in the raw schema."
),
messages=[
{
@@ -480,6 +505,14 @@ class NaturalDbAgent:
"content": (
f"SEMANTIC CATALOG:\n{semantic_context}\n\n"
f"RAW SCHEMA:\n{schema_brief}\n\n"
"NON-NEGOTIABLE DATA RULES:\n"
"- crm_people is identity only; it does not own QD scores.\n"
"- For QD score prompts, join intel_qd_scores.person_id to crm_people.person_id and use intel_qd_scores.current_value.\n"
"- Valid intel_qd_scores.score_type values are: overall, intent, engagement, urgency, financial_qualification.\n"
"- Never filter intel_qd_scores.score_type = 'QD'. For generic QD prompts use score_type = 'overall'.\n"
"- For contact recency, use read_last_contacted.last_contact_at or intel_interactions.happened_at.\n"
"- Do not use edge_communication_events.timestamp or crm_property_interests.last_discussed_at for contact recency.\n\n"
f"{example_section}\n\n"
f"DETECTED INTENTS: {', '.join(detected_intents)}\n\n"
f"USER QUESTION:\n{prompt}\n\n"
f"ROW CAP: {row_limit}\n"