notebookvb

Medicus/MedicusWithClaude/explore_db.py

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+"""
+Průzkum Medicus databáze – výpis tabulek a jejich sloupců.
+"""
+import fdb
+
+conn = fdb.connect(
+    dsn=r'localhost:c:\medicus 3\data\medicus.fdb',
+    user='SYSDBA',
+    password='masterkey',
+    charset='win1250'
+)
+
+cur = conn.cursor()
+
+# Všechny uživatelské tabulky
+cur.execute("""
+    SELECT rdb$relation_name
+    FROM rdb$relations
+    WHERE rdb$view_blr IS NULL
+      AND (rdb$system_flag IS NULL OR rdb$system_flag = 0)
+    ORDER BY rdb$relation_name
+""")
+tables = [row[0].strip() for row in cur.fetchall()]
+
+print(f"Počet tabulek: {len(tables)}\n")
+print("=== SEZNAM TABULEK ===")
+for t in tables:
+    print(f"  {t}")
+
+print("\n=== SLOUPCE KAŽDÉ TABULKY ===")
+for table in tables:
+    cur.execute("""
+        SELECT rf.rdb$field_name, f.rdb$field_type, f.rdb$field_length
+        FROM rdb$relation_fields rf
+        JOIN rdb$fields f ON rf.rdb$field_source = f.rdb$field_name
+        WHERE rf.rdb$relation_name = ?
+        ORDER BY rf.rdb$field_position
+    """, (table,))
+    cols = cur.fetchall()
+    col_names = [c[0].strip() for c in cols]
+    print(f"\n{table}")
+    print("  " + ", ".join(col_names))
+
+cur.close()
+conn.close()