TAJO-357: Fix invalid filename TestMethFunction to TestMathFUnction. (DaeMyung Kang via hyunsik)
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into OUTER_JOIN
TAJO-348: Implement octet_length(text). (DaeMyung Kang via jaehwa)
TAJO-339: Implement sin( x ) - returns the sine of x (x is in radians). (Jae Young Lee via jaehwa)
TAJO-355: Implement repeat(text,int) function. (DaeMyung Kang via jaehwa)
TAJO-284: Add table partitioning entry to Catalog. (jaehwa)
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-tajo into OUTER_JOIN