{
"event": "PreToolUse",
"tool_name": "mcp__mcp-db__db_execute",
"tool_input": {
"statement": "ALTER TABLE chat_sessions ADD CONSTRAINT fk_sessions_profile FOREIGN KEY (author_profile_id) REFERENCES content_config(id) ON DELETE SET NULL",
"database": "ki_content"
}
}
{
"tool_response": [
{
"type": "text",
"text": "{\n \"status\": \"error\",\n \"affected_rows\": 0,\n \"error\": \"1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`ki_content`.`#sql-alter-4b4-6ed2`, CONSTRAINT `fk_sessions_profile` FOREIGN KEY (`author_profile_id`) REFERENCES `conte\",\n \"execution_ms\": 4\n}"
}
]
}