sqlglotc
mypyc-compiled extensions for sqlglot
Decision gist · record as of 2026-08-14
Yes, if you use sqlglot and performance matters. The compiled extensions are a strict speedup with no API changes—install sqlglotc and operations run 3-5x faster. The trade-off is medium install friction (compiled wheels for common platforms, but source builds elsewhere) and a requirement for Python 3.10 or later. No known vulnerabilities and actively maintained. Skip it only if you need custom dialects or are on an unsupported platform where source compilation is impractical.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; source builds on unsupported platforms may require a C compiler and mypyc toolchain.
- Medium install friction due to compiled wheels; prebuilt binaries are available for Python 3.10–3.14 on macOS, Linux (x86_64 and aarch64), and Windows, but source builds may be required on unsupported platforms.
- Package is actively maintained with releases every few days.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions; suitable for most projects.
last release 2026-08-12 (2 days) · last repo commit 2026-08-14 · 9,529 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 2,119,006 downloads/mo, #3,281 on PyPI
Alternatives
Verify before relying
pip install "sqlglotc[c]"
import sqlglot
result = sqlglot.transpile("SELECT * FROM table", read="postgres", write="duckdb")[0]- Whether custom dialects work correctly with the compiled extensions (documentation notes potential incompatibility).
- Exact performance improvement margin on real-world workloads beyond the stated 3-5x benchmark range.
- Whether the [c] extra is available for sqlglotc or if compilation is automatic.
What it is and what it does
sqlglotc bundles mypyc-optimized C extensions to accelerate SQL parsing and manipulation through sqlglot. It wraps sqlglot and trades pure-Python portability for speed, delivering roughly 3-5x faster execution on parsing, transpilation, and analysis tasks. The package is designed as a drop-in replacement: install it instead of the base package, and operations run faster without code changes.
The underlying sqlglot library handles SQL parsing across over 30 dialects (DuckDB, Presto, Spark, Snowflake, BigQuery, and others), transpilation between them, query optimization, and syntax error detection. sqlglotc simply accelerates these operations by compiling hot paths to native code. It depends on sqlglot as its runtime dependency and is most useful when parsing or transpiling large volumes of SQL or running in performance-sensitive applications.
Use it for
- Accelerate batch SQL transpilation pipelines that convert queries between multiple database dialects.
- Speed up query analysis and metadata extraction (finding columns, tables, and dependencies) in large codebases.
- Reduce latency in real-time SQL formatting or validation services that handle many requests per second.
- Optimize data warehouse migration tools that parse and rewrite SQL at scale.
- Improve performance of SQL linting or code-review tools that analyze many queries in sequence.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you use sqlglot and performance matters.
The compiled extensions are a strict speedup with no API changes—install sqlglotc and operations run 3-5x faster. The trade-off is medium install friction (compiled wheels for common platforms, but source builds elsewhere) and a requirement for Python 3.10 or later. No known vulnerabilities and actively maintained. Skip it only if you need custom dialects or are on an unsupported platform where source compilation is impractical.
Install
sqlglotc on PyPI
Before you install
Medium install friction due to compiled wheels; prebuilt binaries are available for Python 3.10–3.14 on macOS, Linux (x86_64 and aarch64), and Windows, but source builds may be required on unsupported platforms. Package is actively maintained with releases every few days.
Requires Python 3.10 or later; source builds on unsupported platforms may require a C compiler and mypyc toolchain.
License in practice
MIT license permits commercial and private use with minimal restrictions; suitable for most projects.
Quickstart
pip install "sqlglotc[c]"
import sqlglot
result = sqlglot.transpile("SELECT * FROM table", read="postgres", write="duckdb")[0]Verify before relying
- Whether custom dialects work correctly with the compiled extensions (documentation notes potential incompatibility).
- Exact performance improvement margin on real-world workloads beyond the stated 3-5x benchmark range.
- Whether the [c] extra is available for sqlglotc or if compilation is automatic.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 1 packagesqlglot |
| Maintenance | Actively maintained 2 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 2,119,006 / month, #3,281 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: sqlglotc-30.17.0-cp310-cp310-macosx_10_9_universal2.whl; sqlglotc-30.17.0-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; sqlglotc-30.17.0-cp310-cp310-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; sqlglotc-30.17.0-cp310-cp310-win_amd64.whl; sqlglotc-30.17.0-cp311-cp311-macosx_10_9_universal2.whl; sqlglotc-30.17.0-cp311-cp311-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; sqlglotc-30.17.0-cp311-cp311-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; sqlglotc-30.17.0-cp311-cp311-win_amd64.whl; sqlglotc-30.17.0-cp312-cp312-macosx_10_13_universal2.whl; sqlglotc-30.17.0-cp312-cp312-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; sqlglotc-30.17.0-cp312-cp312-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; sqlglotc-30.17.0-cp312-cp312-win_amd64.whl; sqlglotc-30.17.0-cp313-cp313-macosx_10_13_universal2.whl; sqlglotc-30.17.0-cp313-cp313-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; sqlglotc-30.17.0-cp313-cp313-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; sqlglotc-30.17.0-cp313-cp313-win_amd64.whl; sqlglotc-30.17.0-cp314-cp314-macosx_10_15_universal2.whl; sqlglotc-30.17.0-cp314-cp314-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl; sqlglotc-30.17.0-cp314-cp314-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl; sqlglotc-30.17.0-cp314-cp314-win_amd64.whl
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