EXPLAIN
CREATE TABLE symlink_text_input_format (key STRING, value STRING) STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.SymlinkTextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat';

CREATE TABLE symlink_text_input_format (key STRING, value STRING) STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.SymlinkTextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat';

dfs -cp ../data/files/symlink1.txt ../build/ql/test/data/warehouse/symlink_text_input_format/symlink1.txt;
dfs -cp ../data/files/symlink2.txt ../build/ql/test/data/warehouse/symlink_text_input_format/symlink2.txt;

EXPLAIN SELECT * FROM symlink_text_input_format order by key, value;

SELECT * FROM symlink_text_input_format order by key, value;

EXPLAIN SELECT value FROM symlink_text_input_format order by value;

SELECT value FROM symlink_text_input_format order by value;

EXPLAIN SELECT count(1) FROM symlink_text_input_format;

SELECT count(1) FROM symlink_text_input_format;