ai-and-semistructured-data-guard

Load for RAG/chatbot ingestion or retrieval code (top_k, vector filters, chunk metadata, file paths, modified_time), LLM/AI columns (ML.GENERATE_TEXT, sentiment or category per review/comment), matcher scores written into an _id column, JSON payload extraction (JSON arrow operators, :key, TRY_CAST), or partition expiration/deleting raw event tables after a rollup.