Certain sequence of queries for JSON outputformat leads to ArrayIndexOutOfBoundsException

[snuyanzin]

case to reproduce

!outputformat json
select 1;
select 1, 2; -- here should be any number of columns which is greater than in a previous query

It will fail as

java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
	at sqlline.JsonOutputFormat.printRow(JsonOutputFormat.java:43)
	at sqlline.AbstractOutputFormat.print(AbstractOutputFormat.java:32)
	at sqlline.SqlLine.print(SqlLine.java:1773)
	at sqlline.Commands.executeSingleQuery(Commands.java:1139)
	at sqlline.Commands.execute(Commands.java:1079)
	at sqlline.Commands.sql(Commands.java:1033)
	at sqlline.SqlLine.dispatch(SqlLine.java:822)
	at sqlline.SqlLine.begin(SqlLine.java:596)
	at sqlline.SqlLine.start(SqlLine.java:269)
	at sqlline.SqlLine.main(SqlLine.java:208)

[snuyanzin]

merged at 87a8e4f