ARROW-3046: [GLib] Use rubyish method
ARROW-3046: [GLib] Use rubyish method

Because `field_indexes = [1, 3]` is rubyish than `set_field_indexes[1, 3]`.

Author: yosuke shiro <ys2014hs@gmail.com>

Closes #2426 from shiro615/use-rubyish-method and squashes the following commits:

d1e809a6 <yosuke shiro>  Use rubyish method

pcmoritz/arrow,kou/arrow,laurentgo/arrow,tebeka/arrow,majetideepak/arrow,laurentgo/arrow,majetideepak/arrow,pcmoritz/arrow,icexelloss/arrow,renesugar/arrow,wesm/arrow,kou/arrow,majetideepak/arrow,majetideepak/arrow,pcmoritz/arrow,tebeka/arrow,renesugar/arrow,renesugar/arrow,xhochy/arrow,apache/arrow,pcmoritz/arrow,wesm/arrow,wesm/arrow,wesm/arrow,apache/arrow,kou/arrow,majetideepak/arrow,cpcloud/arrow,xhochy/arrow,cpcloud/arrow,kou/arrow,itaiin/arrow,wesm/arrow,apache/arrow,apache/arrow,pcmoritz/arrow,xhochy/arrow,pcmoritz/arrow,laurentgo/arrow,xhochy/arrow,laurentgo/arrow,apache/arrow,laurentgo/arrow,pcmoritz/arrow,icexelloss/arrow,icexelloss/arrow,laurentgo/arrow,renesugar/arrow,tebeka/arrow,renesugar/arrow,laurentgo/arrow,apache/arrow,cpcloud/arrow,itaiin/arrow,itaiin/arrow,cpcloud/arrow,laurentgo/arrow,tebeka/arrow,itaiin/arrow,apache/arrow,cpcloud/arrow,itaiin/arrow,apache/arrow,majetideepak/arrow,pcmoritz/arrow,wesm/arrow,renesugar/arrow,apache/arrow,pcmoritz/arrow,itaiin/arrow,pcmoritz/arrow,laurentgo/arrow,icexelloss/arrow,renesugar/arrow,tebeka/arrow,apache/arrow,wesm/arrow,itaiin/arrow,kou/arrow,laurentgo/arrow,wesm/arrow,tebeka/arrow,wesm/arrow,pcmoritz/arrow,kou/arrow,icexelloss/arrow,cpcloud/arrow,icexelloss/arrow,kou/arrow,pcmoritz/arrow,icexelloss/arrow,icexelloss/arrow,majetideepak/arrow,wesm/arrow,wesm/arrow,renesugar/arrow,cpcloud/arrow,laurentgo/arrow,renesugar/arrow,icexelloss/arrow,cpcloud/arrow,cpcloud/arrow,xhochy/arrow,kou/arrow,pcmoritz/arrow,majetideepak/arrow,tebeka/arrow,xhochy/arrow,pcmoritz/arrow,apache/arrow,majetideepak/arrow,kou/arrow,itaiin/arrow,apache/arrow,majetideepak/arrow,xhochy/arrow,xhochy/arrow,cpcloud/arrow,cpcloud/arrow,laurentgo/arrow,majetideepak/arrow,icexelloss/arrow,cpcloud/arrow,wesm/arrow,cpcloud/arrow,renesugar/arrow,wesm/arrow,xhochy/arrow,kou/arrow,xhochy/arrow,kou/arrow,kou/arrow,xhochy/arrow,itaiin/arrow,apache/arrow,itaiin/arrow,majetideepak/arrow,icexelloss/arrow,icexelloss/arrow,tebeka/arrow,renesugar/arrow,icexelloss/arrow,laurentgo/arrow,xhochy/arrow,renesugar/arrow,majetideepak/arrow,kou/arrow,xhochy/arrow,cpcloud/arrow,pcmoritz/arrow,xhochy/arrow,renesugar/arrow,itaiin/arrow,kou/arrow,itaiin/arrow,itaiin/arrow,xhochy/arrow,apache/arrow,renesugar/arrow,laurentgo/arrow,itaiin/arrow,majetideepak/arrow,icexelloss/arrow,laurentgo/arrow,renesugar/arrow,wesm/arrow,majetideepak/arrow,tebeka/arrow,tebeka/arrow,itaiin/arrow