test: 8 стресс-функций (py/go/js), crash-тесты, stress_test.sh — 32 строки в PG

examples/POSTGRES/code/stress-writer/requirements.txt

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+psycopg2-binary==2.9.9

examples/POSTGRES/code/stress-writer/stress_writer.py

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+# 2026-03-19
+# stress_writer.py — пишет N строк в terraform_demo_table (по умолчанию 5).
+# Проверяет параллельные INSERT'ы и устойчивость соединения с PG при нагрузке.
+
+import os
+import psycopg2
+import time
+
+_VERSION = "v1"
+
+
+def run(event):
+    n = int(event.get("rows", 5))
+    prefix = event.get("prefix", "stress")
+
+    conn = psycopg2.connect(
+        host=os.environ["PGHOST"],
+        port=int(os.environ.get("PGPORT", "5432")),
+        dbname=os.environ["PGDATABASE"],
+        user=os.environ["PGUSER"],
+        password=os.environ["PGPASSWORD"],
+        sslmode=os.environ.get("PGSSLMODE", "require"),
+    )
+    inserted = []
+    try:
+        with conn.cursor() as cur:
+            for i in range(n):
+                title = f"{prefix}-{int(time.time()*1000)}-{i}"
+                cur.execute(
+                    "INSERT INTO terraform_demo_table (title) VALUES (%s) RETURNING id",
+                    (title,),
+                )
+                row = cur.fetchone()
+                inserted.append({"id": row[0], "title": title})
+        conn.commit()
+    finally:
+        conn.close()
+
+    return {"version": _VERSION, "inserted": inserted, "count": len(inserted)}