pgsql-parser
sqlparse
| pgsql-parser | sqlparse | |
|---|---|---|
| 2 | 7 | |
| 120 | 3,588 | |
| 0.8% | - | |
| 8.8 | 8.3 | |
| 2 days ago | 13 days ago | |
| PLpgSQL | Python | |
| MIT License | BSD 3-clause "New" or "Revised" License |
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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
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.
What are some alternatives?
zetasql - ZetaSQL - Analyzer Framework for SQL
pg_query - Ruby extension to parse, deparse and normalize SQL queries using the PostgreSQL query parser
pyparsing - Python library for creating PEG parsers [Moved to: https://github.com/pyparsing/pyparsing]
libpg_query - C library for accessing the PostgreSQL parser outside of the server environment
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
Apache Calcite - Apache Calcite
PLY - Python Lex-Yacc
parser - A MySQL Compatible SQL Parser
sqlfluff - A modular SQL linter and auto-formatter with support for multiple dialects and templated code.
pg_query_go - Go library to parse and normalize SQL queries using the PostgreSQL query parser
Pygments