{
"event": "PreToolUse",
"tool_name": "mcp__mcp-db__db_execute",
"tool_input": {
"statement": "ALTER TABLE content_sources ADD CONSTRAINT content_sources_ibfk_2 FOREIGN KEY (chunk_id) REFERENCES chunks(id)",
"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-4b4-1036e`, CONSTRAINT `content_sources_ibfk_2` FOREIGN KEY (`chunk_id`) REFERENCES `chunks` (`\",\n \"execution_ms\": 2\n}"
}
]
}