Diagnóstico y fix SQL Server: SERVERNAME, TDS_Version, Puerto explicitos

backend/diag_content.py

@@ -0,0 +1,43 @@
+# diag_content.py  —  Revisa que valores toma content_attributes (para replicar ISBLANK).
+# Ejecutar dentro de backend/:  python diag_content.py
+from data_manager_v2 import DataManager
+
+dm = DataManager()
+conn = dm.pg_conn()
+cur = conn.cursor()
+
+# Distribucion de content_attributes en los mensajes de plantilla
+sql = """
+SELECT
+    CASE
+        WHEN m.content_attributes IS NULL THEN '(NULL)'
+        WHEN m.content_attributes::text = '{}' THEN '(vacio {})'
+        WHEN m.content_attributes::text = 'null' THEN "(texto 'null')"
+        ELSE 'CON DATOS'
+    END AS tipo,
+    COUNT(*) AS n
+FROM messages m
+WHERE m.sender_type = 'User'
+  AND m.additional_attributes -> 'template_params' ->> 'name' IS NOT NULL
+GROUP BY 1
+ORDER BY 2 DESC
+"""
+cur.execute(sql)
+print("== content_attributes en mensajes de plantilla ==")
+for tipo, n in cur.fetchall():
+    print(f"   {tipo:16} {n}")
+
+# Muestra 3 ejemplos de cada tipo con datos
+print("\n== ejemplos de content_attributes CON DATOS (primeros 3) ==")
+cur.execute("""
+SELECT m.additional_attributes -> 'template_params' ->> 'name', m.content_attributes::text
+FROM messages m
+WHERE m.sender_type='User'
+  AND m.additional_attributes -> 'template_params' ->> 'name' IS NOT NULL
+  AND m.content_attributes IS NOT NULL
+  AND m.content_attributes::text NOT IN ('{}','null')
+LIMIT 3
+""")
+for nombre, ca in cur.fetchall():
+    print(f"   {nombre}: {ca[:120]}")
+conn.close()