w22

query_photo_errors.py

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+"""Rychlý summary tabulky photo_errors — spusť a zkopíruj výstup."""
+import psycopg2
+from dotenv import load_dotenv
+import os
+
+load_dotenv()
+
+conn = psycopg2.connect(
+    host=os.getenv("DB_HOST", "192.168.1.76"),
+    port=int(os.getenv("DB_PORT", 5432)),
+    user=os.getenv("DB_USER", "vladimir.buzalka"),
+    password=os.getenv("DB_PASSWORD", "Vlado7309208104++"),
+    dbname=os.getenv("DB_NAME", "fotky_buzalkovi"),
+)
+cur = conn.cursor()
+
+# Struktura
+cur.execute("""
+    SELECT column_name, data_type
+    FROM information_schema.columns
+    WHERE table_name = 'photo_errors'
+    ORDER BY ordinal_position
+""")
+print("=== SLOUPCE ===")
+for row in cur.fetchall():
+    print(f"  {row[0]:30s} {row[1]}")
+
+# Celkový počet
+cur.execute("SELECT COUNT(*) FROM photo_errors")
+total = cur.fetchone()[0]
+print(f"\n=== CELKEM ZÁZNAMŮ: {total} ===")
+
+# Počty podle error_type (pokud sloupec existuje)
+try:
+    cur.execute("""
+        SELECT error_type, COUNT(*) AS pocet
+        FROM photo_errors
+        GROUP BY error_type
+        ORDER BY pocet DESC
+    """)
+    rows = cur.fetchall()
+    if rows:
+        print("\n=== TYPY CHYB ===")
+        for r in rows:
+            print(f"  {str(r[0]):50s} {r[1]:>8,}")
+except Exception as e:
+    print(f"\n(error_type sloupec neexistuje nebo chyba: {e})")
+
+# Ukázka prvních 5 řádků
+cur.execute("SELECT * FROM photo_errors LIMIT 5")
+cols = [d[0] for d in cur.description]
+rows = cur.fetchall()
+print(f"\n=== UKÁZKA (prvních 5) ===")
+print("  " + " | ".join(cols))
+for r in rows:
+    print("  " + " | ".join(str(v)[:60] for v in r))
+
+# Timeline (pokud je sloupec s datumem)
+date_cols = [d[0] for d in cur.description if "dat" in d[0].lower() or "time" in d[0].lower() or "created" in d[0].lower()]
+if date_cols:
+    dc = date_cols[0]
+    cur.execute(f"SELECT MIN({dc}), MAX({dc}) FROM photo_errors")
+    mn, mx = cur.fetchone()
+    print(f"\n=== ČASOVÝ ROZSAH ({dc}) ===")
+    print(f"  Od:  {mn}")
+    print(f"  Do:  {mx}")
+
+conn.close()
+print("\nHotovo.")