notebookVb
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"""
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migrate_category.py — přidá sloupec category do photos (idempotentní)
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a provede konkrétní UPDATE podle pravidel.
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"""
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import psycopg2
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DB = dict(host="192.168.1.76", port=5432, user="vladimir.buzalka",
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password="Vlado7309208104++", database="fotky_buzalkovi")
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conn = psycopg2.connect(**DB)
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conn.autocommit = True
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cur = conn.cursor()
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# 1. Přidat sloupec category pokud neexistuje
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cur.execute("""
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ALTER TABLE photos
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ADD COLUMN IF NOT EXISTS category VARCHAR(100);
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""")
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print("Sloupec category OK.")
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# 2. BolyMedia SG520 → wanted=TRUE, category='Fotopast'
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cur.execute("""
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UPDATE photos
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SET wanted = TRUE,
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category = 'Fotopast'
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WHERE camera_make = 'BolyMedia'
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AND camera_model = 'SG520';
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""")
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print(f"SG520 aktualizováno: {cur.rowcount:,} řádků → wanted=TRUE, category='Fotopast'")
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conn.close()
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