pg_parse
parser
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| pg_parse | parser | |
|---|---|---|
| 1 | 3 | |
| 67 | 1,395 | |
| - | 1.0% | |
| 3.9 | 3.2 | |
| 3 months ago | 5 months ago | |
| Rust | Go | |
| MIT License | Apache License 2.0 |
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pg_parse
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Open Source SQL Parsers
Rust: pg_query.rs
parser
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sqlc: Generating go code from sql statements
For MySQL the situation is a bit different. sqlc uses the parser of TiDB (https://github.com/pingcap/parser), which is a parser that aims to be basically compatible with MySQL, but is quite young and is not a MySQL parser. The most basic queries work, but even simple joins or aggregations usually result in variables with unknown data types or wrong nullability. So you loose a lot of the benefits of sqlc. Manual type annotations for MySQL also do not work most of the time. They are simply ignored and forwarded to MySQL as invalid query if they do not occur on a place where sqlc is expecting them.
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Wp-SQLite: WordPress running on an SQLite database
This is a disaster waiting to happen. Regular expressions should never be used to parse non-regular languages, of which SQL is one.
There are a variety of mature MySQL dialect parsers available[1][2], and MySQL should have its own public APIs for transforming a query into an AST. Any of those would be a safer and more correct alternative.
[1]: https://github.com/pingcap/parser
[2]: https://github.com/square/mysql-parser
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Open Source SQL Parsers
Pingcap parser is a MySQL parser in Go.
What are some alternatives?
libpg_query - C library for accessing the PostgreSQL parser outside of the server environment
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
pg_query_go - Go library to parse and normalize SQL queries using the PostgreSQL query parser
mo-sql-parsing - Let's make a SQL parser so we can provide a familiar interface to non-sql datastores!
pg_query - Ruby extension to parse, deparse and normalize SQL queries using the PostgreSQL query parser
pglast - PostgreSQL Languages AST and statements prettifier: master branch covers PG10, v2 branch covers PG12, v3 covers PG13, v4 covers PG14, v5 covers PG15, v6 covers PG16
zetasql - ZetaSQL - Analyzer Framework for SQL
pg-query-emscripten - Emscripten Port of pg_query to easily play with it in the browser
Apache Hive - Apache Hive