notebook vb

2026-03-25 17:32:12 +01:00
parent 5674de1247
commit 82719baba8
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+"""
+001_pruzkum_PN_tabulek.py
+=========================
+Průzkum Medicus DB – hledáme tabulky a strukturu relacionou s PN
+(pracovní neschopnost).
+
+Spustit na Windows:
+    python "001_pruzkum_PN_tabulek.py"
+
+Výstup: přehled tabulek s PN v názvu + jejich sloupce + ukázka dat.
+"""
+import fdb
+import datetime
+
+# ── Připojení ──────────────────────────────────────────────────────────────────
+conn = fdb.connect(
+    dsn=r'localhost:c:\medicus 3\data\medicus.fdb',
+    user='SYSDBA',
+    password='masterkey',
+    charset='win1250'
+)
+cur = conn.cursor()
+
+# ── 1. Všechny tabulky s "PN" v názvu ─────────────────────────────────────────
+print("=" * 60)
+print("TABULKY obsahující 'PN' v názvu")
+print("=" * 60)
+
+cur.execute("""
+    SELECT TRIM(rdb$relation_name)
+    FROM rdb$relations
+    WHERE rdb$view_blr IS NULL
+      AND (rdb$system_flag IS NULL OR rdb$system_flag = 0)
+      AND UPPER(rdb$relation_name) CONTAINING 'PN'
+    ORDER BY rdb$relation_name
+""")
+pn_tables = [row[0] for row in cur.fetchall()]
+
+if pn_tables:
+    for t in pn_tables:
+        print(f"  {t}")
+else:
+    print("  (žádná)")
+
+# ── 2. Sloupce každé PN tabulky + ukázka dat ──────────────────────────────────
+for table in pn_tables:
+    print(f"\n{'─' * 60}")
+    print(f"TABULKA: {table}")
+    print(f"{'─' * 60}")
+
+    # Sloupce
+    cur.execute("""
+        SELECT TRIM(rf.rdb$field_name),
+               f.rdb$field_type,
+               f.rdb$field_length,
+               rf.rdb$null_flag
+        FROM rdb$relation_fields rf
+        JOIN rdb$fields f ON rf.rdb$field_source = f.rdb$field_name
+        WHERE TRIM(rf.rdb$relation_name) = ?
+        ORDER BY rf.rdb$field_position
+    """, (table,))
+    cols = cur.fetchall()
+
+    # field_type kódy Firebirdu (nejběžnější)
+    type_map = {
+        7: 'SMALLINT', 8: 'INTEGER', 10: 'FLOAT', 12: 'DATE',
+        13: 'TIME', 14: 'CHAR', 16: 'BIGINT', 27: 'DOUBLE',
+        35: 'TIMESTAMP', 37: 'VARCHAR', 261: 'BLOB',
+    }
+
+    col_names = []
+    for c in cols:
+        name, ftype, flen, nullable = c
+        type_str = type_map.get(ftype, f'type#{ftype}')
+        if flen and ftype in (14, 37):
+            type_str += f'({flen})'
+        null_str = '' if nullable else ' NOT NULL'
+        print(f"  {name:<25} {type_str}{null_str}")
+        col_names.append(name)
+
+    # Počet řádků
+    try:
+        cur.execute(f'SELECT COUNT(*) FROM {table}')
+        pocet = cur.fetchone()[0]
+        print(f"\n  --> Celkem řádků: {pocet}")
+    except Exception as e:
+        print(f"\n  --> COUNT selhalo: {e}")
+        continue
+
+    # Ukázka prvních 5 řádků
+    if pocet > 0:
+        try:
+            cur.execute(f'SELECT FIRST 5 * FROM {table}')
+            rows = cur.fetchall()
+            print(f"\n  Ukázka (max 5 řádků):")
+            header = " | ".join(f"{n[:12]:>12}" for n in col_names)
+            print(f"  {header}")
+            print(f"  {'-' * len(header)}")
+            for row in rows:
+                vals = []
+                for v in row:
+                    if isinstance(v, (datetime.date, datetime.datetime)):
+                        vals.append(v.isoformat()[:12])
+                    elif isinstance(v, bytes):
+                        vals.append(f'<blob {len(v)}B>')
+                    elif v is None:
+                        vals.append('NULL')
+                    else:
+                        vals.append(str(v)[:12])
+                print(f"  {' | '.join(f'{v:>12}' for v in vals)}")
+        except Exception as e:
+            print(f"  Ukázka selhala: {e}")
+
+# ── 3. Hledáme i tabulky s "NESCHOP" nebo "NESCHOPENK" ────────────────────────
+print(f"\n{'=' * 60}")
+print("TABULKY s 'NESCHOP' nebo 'PRACOV' nebo 'SICK' v názvu")
+print("=" * 60)
+
+cur.execute("""
+    SELECT TRIM(rdb$relation_name)
+    FROM rdb$relations
+    WHERE rdb$view_blr IS NULL
+      AND (rdb$system_flag IS NULL OR rdb$system_flag = 0)
+      AND (
+          UPPER(rdb$relation_name) CONTAINING 'NESCHOP'
+          OR UPPER(rdb$relation_name) CONTAINING 'PRACOV'
+          OR UPPER(rdb$relation_name) CONTAINING 'SICK'
+      )
+    ORDER BY rdb$relation_name
+""")
+extra = [row[0] for row in cur.fetchall()]
+if extra:
+    for t in extra:
+        print(f"  {t}")
+else:
+    print("  (žádná)")
+
+# ── 4. Rychlý přehled – tabulky s datem "OD/DO" nebo "ZACATEK/KONEC" ──────────
+print(f"\n{'=' * 60}")
+print("SLOUPCE: hledáme 'DATPN', 'DATDO', 'DATUM_DO' v celé DB")
+print("=" * 60)
+
+cur.execute("""
+    SELECT TRIM(rf.rdb$relation_name), TRIM(rf.rdb$field_name)
+    FROM rdb$relation_fields rf
+    JOIN rdb$relations r ON rf.rdb$relation_name = r.rdb$relation_name
+    WHERE (r.rdb$system_flag IS NULL OR r.rdb$system_flag = 0)
+      AND r.rdb$view_blr IS NULL
+      AND (
+          UPPER(rf.rdb$field_name) CONTAINING 'DATPN'
+          OR UPPER(rf.rdb$field_name) = 'DATDO'
+          OR UPPER(rf.rdb$field_name) CONTAINING 'DATUM_DO'
+          OR UPPER(rf.rdb$field_name) CONTAINING 'DAT_DO'
+          OR UPPER(rf.rdb$field_name) CONTAINING 'PN'
+      )
+    ORDER BY rf.rdb$relation_name, rf.rdb$field_name
+""")
+hits = cur.fetchall()
+if hits:
+    for tab, col in hits:
+        print(f"  {tab:<30} {col}")
+else:
+    print("  (nic nenalezeno)")
+
+cur.close()
+conn.close()
+print(f"\n{'=' * 60}")
+print("Průzkum dokončen.")