zetasql
sqlite-parser
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| zetasql | sqlite-parser | |
|---|---|---|
| 15 | 1 | |
| 2,127 | 292 | |
| 1.5% | - | |
| 0.0 | 0.0 | |
| about 2 months ago | almost 5 years ago | |
| C++ | PLpgSQL | |
| Apache License 2.0 | MIT License |
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zetasql
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Mangle, a programming language for deductive database programming
There are even table-valued functions.
These things are not widespread, and differ by implementation, and the way these are used by clients are copy-and-paste. Something as thoughtful as ZetaSQL https://github.com/google/zetasql does not have mechanisms for structuring (modules, packages, interfaces). SQL will not, cannot evolve into such a direction (or, anything that evolves, will not be recognizable as SQL).
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goccy/bigquery-emulator: BigQuery emulator server implemented in Go
Hi, I develop a BigQuery emulator ( https://github.com/goccy/bigquery-emulator ) from early 2022. It is written in Go, but can be used from bq command line tool and other language's (e.g. Python ) client SDK after installing docker image or released binary. It currently supports over 200 of the nearly 330 standard functions in BigQuery and all data types except GEOGRAPHY ( see https://github.com/goccy/go-zetasqlite#status for details ). ZetaSQL ( https://github.com/google/zetasql ) is used to parse and analyze queries.
- ZetaSQL – Analyzer Framework for SQL
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ZetaSQL - Question about using local service
We are using a Python client binding for ZetaSQL GRPC local service in our application to analyze statements and extract referenced tables and output columns.
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Parsing SQL
If you don't want to do it yourself, there's this:
https://github.com/google/zetasql
Parsing is huge but it's amazing how small a part of the job it is. This library isn't even the half of it.
- SQLGlot: SQL parser, transpiler, optimizer – translate to Presto, Spark, Hive
- ZetaSQL - Analyzer Framework for SQL
- ZetaSQL
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New PostgreSQL Interface for Cloud Spanner
I mean the postgres parser (and semantic changes) for ZetaSQL. The zetasql parser is in a file called zetasql/parser/bison_parser.y, I strongly suspect they now have a file called something like zetasql/pgparser/bison_parser.y as well (and much more pervasive changes to support the deeper differences in the dialects).
This is the lexical structure and syntax docs for the new postgres inteface to cloud spanner:
https://cloud.google.com/spanner/docs/postgresql/lexical
And this is the zetasql lexical structure and syntax docs:
https://github.com/google/zetasql/blob/master/docs/lexical.m...
Notice that the new PG docs are an edit of the Zeta ones - evidence that my hypothesis is correct.
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Open Source SQL Parsers
zetasql implements BigQuery, Spanner, and Dataflow dialects.
sqlite-parser
What are some alternatives?
sqlparse - A non-validating SQL parser module for Python
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
Apache Calcite - Apache Calcite
queryparser - Parsing and analysis of Vertica, Hive, and Presto SQL.
go-mysql-server - A MySQL-compatible relational database with a storage agnostic query engine. Implemented in pure Go.
ANTLR - ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
swifties - a custom language construction kit
pgsql-parser - PostgreSQL Query Parser for Node.js
Presto - The official home of the Presto distributed SQL query engine for big data
sqlglot - Python SQL Parser and Transpiler
rhizome - A JIT for Ruby, implemented in pure Ruby