CQEngine
csvq
| CQEngine | csvq | |
|---|---|---|
| 6 | 14 | |
| 1,678 | 1,450 | |
| - | - | |
| 0.0 | 2.7 | |
| 4 months ago | 5 months ago | |
| Java | Go | |
| Apache License 2.0 | MIT License |
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CQEngine
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What is the weirdest or most interesting piece of code you ever had to write?
Wrote the code to convert CQEngineCQEngine queries into Solr search queries.
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Looking for: library to turn SQL (or abstracted) to code & execute against custom backend (slice of structs)
It seems that you're looking for something like https://github.com/npgall/cqengine but unfortunately I'm not aware of any equivalent in Go. LINQ is similar. I'd probably try searching for "LINQ in go" or something like that.
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Evaluating Range Predicates over Java collections
I wonder if there's a huge difference in efficiency between RoaringBitmap and CQEngine. I used CQEngine a few years back and it turned out really great. Never tried RoaringBitmap, though.
- CQEngine for Java Tutorials/ Guides / Books?
- Ideal Datastructure for Multiple Keys mapping to Multiple Values?
- Early stage draft: Functional transformation of immutable objects
csvq
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Fx – Terminal JSON Viewer
sure can do, if you already use that shell [1], but personally I like specific tools for specific jobs such as jq [2], fx, csvq [3] etc, there's value in decoupling shells from utils (modularity, speed, innovation etc).
[1] I don't but tempted to try, like its data-types concept
[2] https://jqlang.github.io/jq/
[3] https://github.com/mithrandie/csvq
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Tool to interact with CSV
csvq
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Can SQL be used without an RDBMS?
There is a way of running SQL-like queries against CSV files.
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Yq is a portable yq: command-line YAML, JSON, XML, CSV and properties processor
Lately I have had to do a lot of flat file analysis and tools along these lines have been a godsend. Will check this out.
My go to lately has been csvq (https://mithrandie.github.io/csvq/). Really nice to be able run complicated selects right over a CSV file with no setup at all.
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Wie fusioniert man CSV tables?
csvq (https://mithrandie.github.io/csvq/)
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Tool to explore big data sets
I usually do this with awk, my largest target files being half a TB in size for a project last year (and far too large to hold entirely in RAM). There are some other utilities like csvq and csvsql both of which let you write SQL-style queries against CSV files, but I'm not sure how they perform on large files. There's a nice list of CSV manipulation tools too if any of those jog your memory.
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sqly - execute SQL against CSV / JSON with shell
Apparently, there were many who thought the same thing; Tools to execute SQL against CSV were trdsql, q, csvq, TextQL. They were highly functional, hoewver, had many options and no input completion. I found it just a little difficult to use.
- One-liner for running queries against CSV files with SQLite
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Most efficient way to query .CSV files for Mac?
Please check out this tool https://github.com/mithrandie/csvq
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Looking for: library to turn SQL (or abstracted) to code & execute against custom backend (slice of structs)
If you are looking to query nondb data with sql statements then you may want to check something like https://github.com/mithrandie/csvq (SQL for csv).
What are some alternatives?
Lanterna - Java library for creating text-based GUIs
querycsv - QueryCSV enables you to load CSV files and manipulate them using SQL queries then after you finish you can export the new values to a CSV file
Modern Java - A Guide to Java 8 - Modern Java - A Guide to Java 8
q - q - Run SQL directly on delimited files and multi-file sqlite databases
OpenRefine - OpenRefine is a free, open source power tool for working with messy data and improving it
yq - yq is a portable command-line YAML, JSON, XML, CSV, TOML and properties processor
Design Patterns - Design patterns implemented in Java
yq - Command-line YAML, XML, TOML processor - jq wrapper for YAML/XML/TOML documents
jabba - (cross-platform) Java Version Manager
miller - Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON
Smooks - Extensible data integration Java framework for building XML and non-XML fragment-based applications
duckdb - DuckDB is an in-process SQL OLAP Database Management System