JSqlParser
swifties
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JSqlParser | swifties | |
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4 | 5 | |
4,956 | 11 | |
2.1% | - | |
9.2 | 0.0 | |
4 days ago | over 2 years ago | |
Java | Swift | |
Apache License 2.0 | - |
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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.
JSqlParser
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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.
[0]: https://github.com/JSQLParser/JSqlParser
[1]: https://en.wikipedia.org/wiki/Visitor_pattern
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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].
[0]: https://github.com/JSQLParser/JSqlParser
swifties
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Let's write a compiler, part 5: A code generator
Depends on the complexity of your queries, but if you have a narrow subset that you're interested in, implementing a recursive descent parser for just those parts of the syntax that fits your problem like a glove could be a better solution.
https://github.com/codr7/swifties
- Show HN: Swifties – a custom language construction kit in Swift
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Let's write a compiler, part 3: A parser
What few seem to realize is that it's perfectly possible to abstract out some of the work and create an extensible foundation for manual parsers.
Since it's all regular code, you can use the full power of the host language to deal with the problem.
https://github.com/codr7/swifties/blob/main/Sources/Swifties...
What are some alternatives?
Apache Calcite - Apache Calcite
sqlite-parser - JavaScript implentation of SQLite 3 query parser
sqlglot - Python SQL Parser and Transpiler
langjam
zetasql - ZetaSQL - Analyzer Framework for SQL
pl0c - Self-hosting PL/0 to C compiler to teach basic compiler construction from a practical, hands-on perspective.
sqlparse - A non-validating SQL parser module for Python
rhizome - A JIT for Ruby, implemented in pure Ruby
Presto - The official home of the Presto distributed SQL query engine for big data
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
vitess-sqlparser - simply SQL Parser for Go ( powered by vitess and TiDB )