sqlparse
A non-validating SQL parser module for Python (by andialbrecht)
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 (by JSQLParser)
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| sqlparse | JSqlParser | |
|---|---|---|
| 7 | 4 | |
| 3,574 | 4,938 | |
| - | 1.8% | |
| 8.2 | 9.2 | |
| 3 days ago | 5 days ago | |
| Python | Java | |
| BSD 3-clause "New" or "Revised" License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
sqlparse
Posts with mentions or reviews of sqlparse.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-06-08.
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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.
JSqlParser
Posts with mentions or reviews of JSqlParser.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-07-29.
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Semantic Diff for SQL
I wonder if this is a topical thread to check if anyone is aware of a Java based solution to parse a CREATE VIEW statement to get a mapping between the view columns and the corresponding source table columns. I checked out jsqlparser[0] and it does produce an AST which can be parsed using the visitor-pattern[1] but was wondering if there is a more "out-of-the-box" solution. Due to various reasons, querying the database information schema is not an option I can pursue.
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Open Source SQL Parsers
JSQLParser can parse multiple SQL dialects like MySQL, Postgres and Oracle. The grammar can be modified to support other SQL dialects.
- Let's write a compiler, part 5: A code generator
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Racket v8.0
Interesting coincidence - I'm working on a parser that parses the AST produced by JSqlParser[0] for a create view statement to generate mapping between the columns of a view and the columns of its underlying table. It is an interesting example of having to use the visitor pattern[1].
What are some alternatives?
When comparing sqlparse and JSqlParser you can also consider the following projects:
zetasql - ZetaSQL - Analyzer Framework for SQL
Apache Calcite - Apache Calcite
pyparsing - Python library for creating PEG parsers [Moved to: https://github.com/pyparsing/pyparsing]
sqlglot - Python SQL Parser and Transpiler
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
PLY - Python Lex-Yacc
Presto - The official home of the Presto distributed SQL query engine for big data
sqlfluff - A modular SQL linter and auto-formatter with support for multiple dialects and templated code.
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Pygments
queryparser - Parsing and analysis of Vertica, Hive, and Presto SQL.