integration/spark/src/test/resources/secindex/dest1.csv

c1,c2,c3,c5
a,11,aa,aaa
b,12,bb,bbb
c,13,cc,ccc
d,14,dd,ddd
e,15,ee,eee
f,16,ff,fff
g,17,gg,ggg
h,18,hh,hhh
i,19,ii,iii
j,20,jj,jjj