BlackMagic: Automatic Inlining of Scalar UDFs into SQL Queries with Froid
Summary: Froid automatically translates imperative, multistatement scalar UDFs into equivalent relational algebra, exposing them to SQL optimization. This eliminates black-box, iterative execution in favor of set-oriented parallel plans, yielding orders-of-magnitude speedups and powering SQL Server 2019 UDF inlining. (summarized by gpt-5.6-luna on Jul 24 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Karthik Ramachandra (Microsoft)
- 2. Kwanghyun Park (Microsoft)
BibTeX Citation
@article{ramachandra_vldb19,
title = {{BlackMagic: Automatic Inlining of Scalar UDFs into SQL Queries with Froid}},
author = {Ramachandra, Karthik and Park, Kwanghyun},
journal = {PVLDB},
series = {{VLDB} '19},
volume = {12},
number = {12},
pages = {1810--1813},
doi = {10.14778/3352063.3352072},
url = {https://doi.org/10.14778/3352063.3352072},
year = {2019}
}Incoming Citations (Sorted by Pagerank)
Showing 9 of 9 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,257 | One WITH RECURSIVE is Worth Many GOTOs | 2021 | SIGMOD | 7.590651e-05 |
| 5,567 | iTurboGraph: Scaling and Automating Incremental Graph Analytics | 2021 | SIGMOD | 6.1709411e-05 |
| 6,328 | Functional-Style SQL UDFs With a Capital 'F' | 2020 | SIGMOD | 5.9113895e-05 |
| 8,211 | MONSOON: Multi-Step Optimization and Execution of Queries with Partially Obscured Predicates | 2020 | SIGMOD | 5.4658735e-05 |
| 9,315 | ProcAnalyzer: Effective Code Analyzer for Tuning Imperative Programs in SAP HANA | 2020 | SIGMOD | 5.289545e-05 |
| 9,456 | QURE: AI-Assisted and Automatically Verified UDF Inlining | 2025 | SIGMOD | 5.2643416e-05 |
| 10,040 | SQL Engines Excel at the Execution of Imperative Programs | 2024 | VLDB | 5.1723558e-05 |
| 10,232 | EncoderForge: Generating Efficient SQL for Encoders in Machine Learning Inference Pipelines | 2026 | SIGMOD | 5.093636e-05 |
| 11,275 | Hardware-Efficient Data Imputation through DBMS Extensibility | 2024 | VLDB | 5.093636e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 3 of 3 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 543 | Orthogonal Optimization of Subqueries and Aggregation | 2001 | SIGMOD | 0.0001682612 |
| 894 | Froid: Optimization of Imperative Programs in a Relational Database | 2018 | VLDB | 0.00013367658 |
| 1,362 | Execution Strategies for SQL Subqueries | 2007 | SIGMOD | 0.00011032204 |
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