* Fix md5 return_type to only return Utf8 as per current code impl. * Add support for sqlite test files to sqllogictest * Force version 0.24.0 of sqllogictest dependency until issue with labels is fixed. * Removed workaround for bug that was fixed. * Git submodule update ... err update, link to sqlite tests. * Git submodule update * Readd submodule --------- Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
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Getting Started
This section describes how you can get started at developing DataFusion.
Windows setup
wget https://az792536.vo.msecnd.net/vms/VMBuild_20190311/VirtualBox/MSEdge/MSEdge.Win10.VirtualBox.zip
choco install -y git rustup.install visualcpp-build-tools
git-bash.exe
cargo build
Protoc Installation
Compiling DataFusion from sources requires an installed version of the protobuf compiler, protoc.
On most platforms this can be installed from your system's package manager
# Ubuntu
$ sudo apt install -y protobuf-compiler
# Fedora
$ dnf install -y protobuf-devel
# Arch Linux
$ pacman -S protobuf
# macOS
$ brew install protobuf
You will want to verify the version installed is 3.15 or greater, which has support for explicit field presence. Older versions may fail to compile.
$ protoc --version
libprotoc 3.15.0
Alternatively a binary release can be downloaded from the Release Page or built from source.
Bootstrap environment
DataFusion is written in Rust and it uses a standard rust toolkit:
cargo buildcargo fmtto format the codecargo testto test- etc.
Note that running cargo test requires significant memory resources, due to cargo running many tests in parallel by default. If you run into issues with slow tests or system lock ups, you can significantly reduce the memory required by instead running cargo test -- --test-threads=1. For more information see this issue.
Testing setup:
rustup update stableDataFusion uses the latest stable release of rustgit submodule initgit submodule update --init --remote --recursive
Formatting instructions:
or run them all at once: