I downloaded psotgresql-9.4.4 source code and build it on Centos 6.5 x64 edition. Then I run 'make test' and it reported that 'All 145 tests passed'. But the expected output and actual output of test 'char' are not same.
The expected output of in 'src/test/regress/expected/char.out' is:
SELECT '' AS five, c.* FROM CHAR_TBL c WHERE c.f1 < 'a'; five | f1 ------+---- | A | 1 | 2 | 3 | (5 rows)
But the actual output in 'src/test/regress/results/char.out' is:
SELECT '' AS five, c.* FROM CHAR_TBL c WHERE c.f1 < 'a'; five | f1 ------+---- | 1 | 2 | 3 | (4 rows)
I don't know why the files are not the same but tests all passed. Helps are appreciated, thanks!