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21 Medicus find table with leky.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import fdb
+
+CODE = "0255910"
+
+con = fdb.connect(
+    host='192.168.1.4',
+    database=r'z:\MEDICUS 3\data\medicus.FDB',
+    user='sysdba',
+    password='masterkey',
+    charset='WIN1250'
+)
+cur = con.cursor()
+
+# --- find every user-table column defined as CHAR(7) ---
+cur.execute("""
+SELECT
+    TRIM(rf.rdb$relation_name)  AS table_name,
+    TRIM(rf.rdb$field_name)     AS column_name
+FROM rdb$relation_fields rf
+JOIN rdb$fields f
+  ON rf.rdb$field_source = f.rdb$field_name
+JOIN rdb$relations r
+  ON rf.rdb$relation_name = r.rdb$relation_name
+WHERE
+    r.rdb$system_flag = 0           -- only user tables
+    AND r.rdb$view_blr IS NULL      -- exclude views
+    AND f.rdb$field_type = 14       -- CHAR
+    AND f.rdb$field_length = 7      -- exactly CHAR(7)
+ORDER BY rf.rdb$relation_name, rf.rdb$field_position
+""")
+
+columns = cur.fetchall()
+matches = []
+
+# --- check each CHAR(7) column for exact match ---
+for table_name, column_name in columns:
+    sql_count = f'''
+        SELECT COUNT(*)
+        FROM "{table_name}"
+        WHERE "{column_name}" = ?
+    '''
+    try:
+        cur.execute(sql_count, (CODE,))
+        cnt = cur.fetchone()[0]
+    except Exception as e:
+        print(f"Skipped {table_name}.{column_name}: {e}")
+        continue
+
+    if cnt > 0:
+        sql_sample = f'''
+            SELECT FIRST 5 "{column_name}"
+            FROM "{table_name}"
+            WHERE "{column_name}" = ?
+        '''
+        cur.execute(sql_sample, (CODE,))
+        samples = [s.strip() if s else "" for (s,) in cur.fetchall()]
+        matches.append((table_name, column_name, int(cnt), samples))
+
+# --- report ---
+if not matches:
+    print(f'No exact matches for "{CODE}" in any CHAR(7) column.')
+else:
+    print(f'Exact matches for "{CODE}" in CHAR(7) columns:')
+    for t, c, cnt, samples in matches:
+        print(f'  - {t}.{c}: {cnt} row(s)')
+        for s in samples:
+            print(f'      sample: {s}')
+
+con.close()