pgsql-parser
JSqlParser
pgsql-parser | JSqlParser | |
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2 | 4 | |
120 | 4,965 | |
0.8% | 1.0% | |
8.8 | 9.4 | |
1 day ago | 8 days ago | |
PLpgSQL | Java | |
MIT License | Apache License 2.0 |
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pgsql-parser
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From Postgres Proto to TypeScript – new transpiler for tooling
pgsql-parser: https://github.com/launchql/pgsql-parser
Additionally, we now have new utilities generated by the proto parser, make sure to checkout the @pgsql/utils! That has some cool features in it:
@pgsql/enums: https://github.com/launchql/pgsql-parser/tree/main/packages/...
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Open Source SQL Parsers
JS: psql-parser in Node and pg-query-emscripten in the browser
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
What are some alternatives?
zetasql - ZetaSQL - Analyzer Framework for SQL
Apache Calcite - Apache Calcite
pg_query - Ruby extension to parse, deparse and normalize SQL queries using the PostgreSQL query parser
sqlglot - Python SQL Parser and Transpiler
libpg_query - C library for accessing the PostgreSQL parser outside of the server environment
sqlparse - A non-validating SQL parser module for Python
parser - A MySQL Compatible SQL Parser
Presto - The official home of the Presto distributed SQL query engine for big data
pg_query_go - Go library to parse and normalize SQL queries using the PostgreSQL query parser
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.