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https://issues.apache.org/jira/browse/ARROW-12433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17324311#comment-17324311
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Adam Lippai commented on ARROW-12433:
-------------------------------------
No, likely I'm the one who don't understand something here.
I just followed the link in the error message to the closed issue, looked into
the feature and found the blogpost that it's shipped (in a minimal version).
For me flatbuffers 0.8.4 and arrow master compiles:
{code:java}
alippai:/mnt/c/Repositories/arrow/rust/arrow$ cargo clean
alippai:/mnt/c/Repositories/arrow/rust/arrow$ cargo --version --verbose
cargo 1.51.0 (43b129a20 2021-03-16)
release: 1.51.0
commit-hash: 43b129a20fbf1ede0df411396ccf0c024bf34134
commit-date: 2021-03-16
alippai@DESKTOP-HTTH82C:/mnt/c/Repositories/arrow/rust/arrow$ cargo build
Compiling autocfg v1.0.1
Compiling libc v0.2.93
Compiling proc-macro2 v1.0.24
Compiling memchr v2.3.4
Compiling unicode-xid v0.2.1
Compiling syn v1.0.67
Compiling serde v1.0.125
Compiling cfg-if v1.0.0
Compiling getrandom v0.1.16
Compiling ryu v1.0.5
Compiling bitflags v1.2.1
Compiling byteorder v1.4.3
Compiling lexical-core v0.7.5
Compiling hashbrown v0.9.1
Compiling cfg_aliases v0.1.1
Compiling itoa v0.4.7
Compiling serde_json v1.0.64
Compiling ppv-lite86 v0.2.10
Compiling serde_derive v1.0.125
Compiling lazy_static v1.4.0
Compiling regex-syntax v0.6.23
Compiling arrayvec v0.5.2
Compiling smallvec v1.6.1
Compiling static_assertions v1.1.0
Compiling hex v0.4.3
Compiling arrow v4.0.0-SNAPSHOT (/mnt/c/Repositories/arrow/rust/arrow)
Compiling regex-automata v0.1.9
Compiling num-traits v0.2.14
Compiling num-integer v0.1.44
Compiling num-bigint v0.3.2
Compiling num-rational v0.3.2
Compiling num-iter v0.1.42
Compiling indexmap v1.6.2
Compiling aho-corasick v0.7.15
Compiling csv-core v0.1.10
Compiling quote v1.0.9
Compiling regex v1.4.5
Compiling time v0.1.43
Compiling rand_core v0.5.1
Compiling rand_chacha v0.2.2
Compiling num-complex v0.3.1
Compiling rand v0.7.3
Compiling chrono v0.4.19
Compiling bstr v0.2.15
Compiling csv v1.1.6
Compiling num v0.3.1
Compiling thiserror-impl v1.0.24
Compiling thiserror v1.0.24
Compiling flatbuffers v0.8.4
Finished dev [unoptimized + debuginfo] target(s) in 48.18s
{code}
> [Rust] Builds failing due to new flatbuffer release introducing const generics
> ------------------------------------------------------------------------------
>
> Key: ARROW-12433
> URL: https://issues.apache.org/jira/browse/ARROW-12433
> Project: Apache Arrow
> Issue Type: Bug
> Affects Versions: 4.0.0
> Reporter: Andy Grove
> Priority: Critical
>
> I filed [https://github.com/google/flatbuffers/issues/6572] but for now we
> should pin the dependency to 0.8.3
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