notebookvb

Medicus/MedicusWithClaudeSelects/precti_trace.py

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+"""
+precti_trace.py – přehledné SQL dotazy z Firebird audit trace logu
+Čte od konce (nejnovější nahoře).
+
+Použití:
+    python precti_trace.py            # posledních 50 dotazů
+    python precti_trace.py 100        # posledních 100
+    python precti_trace.py 50 SELECT  # filtr – jen SELECT dotazy
+"""
+
+import re, sys, io
+
+LOG_PATH = r'C:\Program Files\Firebird\Firebird_2_5_CGM\default_trace.log'
+SEPARATOR = '-' * 80
+
+TS_RE    = re.compile(r'^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d+)\s+\([\w:]+\)\s+(\w+)')
+ATT_RE   = re.compile(r'\(ATT_\d+,\s*([\w]+):')
+SQL_S_RE = re.compile(r'^-{70,}$')
+SQL_E_RE = re.compile(r'^\^{70,}$')
+
+# ── Parametry ──────────────────────────────────────────────────────────────
+limit = int(sys.argv[1]) if len(sys.argv) > 1 else 50
+filtr = sys.argv[2].upper() if len(sys.argv) > 2 else ''
+
+# ── Čtení logu ─────────────────────────────────────────────────────────────
+with open(LOG_PATH, 'r', encoding='cp1252', errors='replace') as f:
+    lines = f.readlines()
+
+# ── Rozděl log na bloky podle timestamp řádků ──────────────────────────────
+# Každý blok = od jednoho timestamp řádku do dalšího
+blocks = []   # (start_line_idx, ts, event, block_lines[])
+i = 0
+n = len(lines)
+
+while i < n:
+    m = TS_RE.match(lines[i].rstrip())
+    if m:
+        ts    = m.group(1)
+        event = m.group(2)
+        start = i
+        i += 1
+        block = []
+        while i < n and not TS_RE.match(lines[i].rstrip()):
+            block.append(lines[i].rstrip())
+            i += 1
+        blocks.append((ts, event, block))
+    else:
+        i += 1
+
+# ── Extrahuj SQL z PREPARE_STATEMENT bloků ─────────────────────────────────
+results = []
+
+for ts, event, block in blocks:
+    if event != 'PREPARE_STATEMENT':
+        continue
+
+    # Uživatel
+    user = '?'
+    for line in block:
+        att = ATT_RE.search(line)
+        if att:
+            user = att.group(1)
+            break
+
+    # SQL mezi --- a ^^^
+    sql_lines = []
+    plan_lines = []
+    in_sql = False
+    after_sql = False
+
+    for line in block:
+        if SQL_S_RE.match(line):
+            in_sql = True
+            after_sql = False
+            continue
+        if SQL_E_RE.match(line):
+            in_sql = False
+            after_sql = True
+            continue
+        if in_sql:
+            sql_lines.append(line)
+        elif after_sql and line.startswith('PLAN'):
+            plan_lines.append(line)
+
+    sql = '\n'.join(sql_lines).strip()
+    plan = ' '.join(plan_lines).strip()
+
+    if sql:
+        results.append((ts, user, sql, plan))
+
+# ── Výstup – nejnovější nahoře ─────────────────────────────────────────────
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+
+filtered = [r for r in results if filtr in r[2].upper()] if filtr else results
+filtered = list(reversed(filtered))[:limit]
+
+print(f'Firebird trace – posledních {len(filtered)} dotazu'
+      + (f'  [filtr: {filtr}]' if filtr else ''))
+print(SEPARATOR)
+
+for ts, user, sql, plan in filtered:
+    print(f'[{ts}]  {user}')
+    print(sql)
+    if plan:
+        print(f'  --> {plan}')
+    print(SEPARATOR)