CREATE TABLE dest1(c1 STRING) STORED AS TEXTFILE;

FROM src INSERT OVERWRITE TABLE dest1 SELECT '  abc  ' WHERE src.key = 86;

EXPLAIN
SELECT ROUND(LN(3.0),12), LN(0.0), LN(-1), ROUND(LOG(3.0),12), LOG(0.0),
       LOG(-1), ROUND(LOG2(3.0),12), LOG2(0.0), LOG2(-1),
       ROUND(LOG10(3.0),12), LOG10(0.0), LOG10(-1), ROUND(LOG(2, 3.0),12),
       LOG(2, 0.0), LOG(2, -1), LOG(0.5, 2), LOG(2, 0.5), ROUND(EXP(2.0),12),
       POW(2,3), POWER(2,3), POWER(2,-3), POWER(0.5, -3), POWER(4, 0.5),
       POWER(-1, 0.5), POWER(-1, 2), POWER(CAST (1 AS DECIMAL), CAST (0 AS INT)),
       POWER(CAST (2 AS DECIMAL), CAST (3 AS INT)), 
       POW(CAST (2 AS DECIMAL), CAST(3 AS INT)) FROM dest1;

SELECT ROUND(LN(3.0),12), LN(0.0), LN(-1), ROUND(LOG(3.0),12), LOG(0.0),
       LOG(-1), ROUND(LOG2(3.0),12), LOG2(0.0), LOG2(-1),
       ROUND(LOG10(3.0),12), LOG10(0.0), LOG10(-1), ROUND(LOG(2, 3.0),12),
       LOG(2, 0.0), LOG(2, -1), LOG(0.5, 2), LOG(2, 0.5), ROUND(EXP(2.0),12),
       POW(2,3), POWER(2,3), POWER(2,-3), POWER(0.5, -3), POWER(4, 0.5),
       POWER(-1, 0.5), POWER(-1, 2), POWER(CAST (1 AS DECIMAL), CAST (0 AS INT)),
       POWER(CAST (2 AS DECIMAL), CAST (3 AS INT)), 
       POW(CAST (2 AS DECIMAL), CAST(3 AS INT)) FROM dest1;