sqlparse
pyparsing
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| sqlparse | pyparsing | |
|---|---|---|
| 7 | - | |
| 3,574 | 1,000 | |
| - | - | |
| 8.2 | 7.3 | |
| 3 days ago | over 3 years ago | |
| Python | Python | |
| BSD 3-clause "New" or "Revised" License | MIT License |
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sqlparse
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Show HN: Databasediagram.com – Private, Text to Entity-Relationship Diagram Tool
Suggest checking out the sqlparse library for a way to do the different flavours without needing to address each case directly: https://github.com/andialbrecht/sqlparse
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Data Load Diagram
Gotcha, since we haven't actually written all of this yet I don't have any useful code snippets to share but we've discussed tackling the problem internally using something like sqlparse. You'd need to identify the relevant sql chunks, parse them for table dependency information and then create the relevant entities in whichever data lineage tool you were using.
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This Week In Python
sqlparse – A non-validating SQL parser module for Python
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Open Source SQL Parsers
Regular expressions is a popular approach to extract information from SQL statements. However, regular expressions quickly become too complex to handle common features like WITH, sub-queries, windows clauses, aliases and quotes. sqlparse is a popular python package that uses regular expressions to parse SQL.
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Automated SQL formatting checks
This one is not bad: https://github.com/andialbrecht/sqlparse.
- Let's write a compiler, part 5: A code generator
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BigQuery Lineage
We used this repo for this: https://github.com/andialbrecht/sqlparse. I may have miscommunicated. We didn't write the parser from scratch, we created a way for the parser to detect downstream and upstream dependencies of the resource.
pyparsing
We haven't tracked posts mentioning pyparsing yet.
Tracking mentions began in Dec 2020.
What are some alternatives?
zetasql - ZetaSQL - Analyzer Framework for SQL
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
PLY - Python Lex-Yacc
pydantic - Data validation using Python type hints
sqlfluff - A modular SQL linter and auto-formatter with support for multiple dialects and templated code.
Pygments
JSqlParser - JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
python-user-agents - A Python library that provides an easy way to identify devices like mobile phones, tablets and their capabilities by parsing (browser) user agent strings.
Python Left-Right Parser - Python Parser