GJSON
errors
GJSON | errors | |
---|---|---|
34 | 30 | |
13,636 | 7,511 | |
- | - | |
5.1 | 0.2 | |
11 days ago | over 2 years ago | |
Go | Go | |
MIT License | BSD 2-clause "Simplified" License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
GJSON
-
Rob Pike: Gobs of data (2011)
Someone made a benchmark of serialization libraries in go [1], and I was surprised to see gobs is one of the slowest ones, specially for decoding. I suspect part of the reason is that the API doesn't not allow reusing decoders [2]. From my explorations it seems like both JSON [3], message-pack [4] and CBOR [5] are better alternatives.
By the way, in Go there are a like a million JSON encoders because a lot of things in the std library are not really coded for maximum performance but more for easy of usage, it seems. Perhaps this is the right balance for certain things (ex: the http library, see [6]).
There are also a bunch of libraries that allow you to modify a JSON file "in place", without having to fully deserialize into structs (ex: GJSON/SJSON [7] [8]). This sounds very convenient and more efficient that fully de/serializing if we just need to change the data a little.
--
1: https://github.com/alecthomas/go_serialization_benchmarks
2: https://github.com/golang/go/issues/29766#issuecomment-45492...
--
3: https://github.com/goccy/go-json
4: https://github.com/vmihailenco/msgpack
5: https://github.com/fxamacker/cbor
--
6: https://github.com/valyala/fasthttp#faq
--
7: https://github.com/tidwall/gjson
8: https://github.com/tidwall/sjson
-
Jj: JSON Stream Editor
```
I don't think there is a way to sort an array, though. However, there is an option to have keys sorted. Personally, I don't think there is much annoyance in that. One could just pipe `jj` output to `sort | uniq -c`.
[0]: https://github.com/tidwall/gjson/blob/master/SYNTAX.md
-
Library to analyze an arbitrary JSON string
I’m using GJSON, so far so good!
-
Mapping json fields in api calls to a struct to store them in a database or cache
If the fields you need are just a small subset of the whole json, maybe https://github.com/tidwall/gjson might be of use to read only those (using jsonpath) without needing to create complete corresponding structs.
-
Which CPU to buy based on profiling
Thank you for the reminder, it's never too much of it :) Didn't say it, but the code was pprof-iled many times and i can really say it's well optimized. I use own libraries with on-the-fly equations (sums, avgs, emas, stds, ...) wherever possible and also made custom json parser as json messages are in fixed format, so the parser is about 10x faster than gjson. I optimized it to the point that I avoided using maps, and rather iterate via slice where ever possible.
-
Jetro - transform and query JSON format
You are right, for learning purposes this fit my needs, but I can imagine an approach similar to this repo: https://github.com/tidwall/gjson
-
Any way to convert unknown/dynamic json to generic object structure
https://github.com/tidwall/gjson is a relatively sensible library if this is something you need to deal with and the structure is actually unknowable.
- Need help with getting the grandchild in nested JSON
- Double down on python or learn Go
- Ad hoc JSON parsing
errors
-
Show HN: Error return traces for Go, inspired by Zig
Can you explain why we should this over https://github.com/pkg/errors?
-
Cant wait for less verbose error handling
The pkg/errors package offers some nice add-ons for easier error handling. Too bad it was put into maintenance mode pending whatever changes/improvements are coming in Go 2.
- Error handling and serializing
-
isse for go path in neovim
I can't figure out the issue so here for some help, I am using `neovim/nvim-lspconfig` my `gopls` doesn't recognise external paths such as `github.com/pkg/errors` , it throws error`could not import github.com/pkg/errors (cannot find package "github.com/pkg/errors" in any of /usr/local/go/src/github.com/pkg/errors (from $GOROOT) /Users/ra compiler (BrokenImport)\`
-
What am I supposed to be doing with errors?
Also - there are some error handling utils that allow you to wrap errors before passing: https://github.com/pkg/errors
-
Go error handling is not verbose but the error handling itself.
Should've been something like errors.Newf("failed to foofoo %s", foo) instead and preferably never invent %w but have some controlled way to wrap like errors.Wrapf(err, "failed to foofoo %s", foo) that was in ye olde github.com/pkg/errors.
-
How to wrap the error best?
Prefer using errors.Wrap and errors.Wrapf from https://github.com/pkg/errors . It's frozen because they don't want to add features, waiting for a re-write of error handling in Go2.
- mdobak/go-xerrors: Yet another error handling library.
-
Getting at the type of error after it has been wrapped with errors.Wrap
Im using zerolog and in order to get the stack trace for my error I have to wrap my error in errors.Wrap from "github.com/pkg/errors".
-
When ia a good time to panic?
And for "real programs" you can use https://github.com/pkg/errors (if you want stack traces)
What are some alternatives?
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
zerolog - Zero Allocation JSON Logger
go-json - Fast JSON encoder/decoder compatible with encoding/json for Go
autoflags - Populate go command line app flags from config struct
intrinsic
go-multierror - A Go (golang) package for representing a list of errors as a single error.
gojson - Automatically generate Go (golang) struct definitions from example JSON
logrus - Structured, pluggable logging for Go.
hub - A command-line tool that makes git easier to use with GitHub.
bitio - Optimized bit-level Reader and Writer for Go.
ngrok - Unified ingress for developers
Testify - A toolkit with common assertions and mocks that plays nicely with the standard library