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Description
set hivevar:A_VALUE_1=A ; set hivevar:A_VALUE_3=C ; explain select "${A_VALUE_1}","${A_VALUE_2}","${A_VALUE_3}" from foobar ; set hivevar:A_VALUE_2=B ; explain select "${A_VALUE_1}","${A_VALUE_2}","${A_VALUE_3}" from foobar ;
In the first query , the variable A_VALUE_3 is not subsituted , because the A_VALUE_2 is not defined !