CREATE TABLE TBL_COUNT(ID INT)
INSERT INTO TBL_COUNT VALUES(1),(-1),(-2),(1),(2),(-1),(1)
SELECT * FROM TBL_COUNT
SELECT SIGN(ID) AS ID,COUNT(ID) FROM TBL_COUNT GROUP BY SIGN(ID)
INSERT INTO TBL_COUNT VALUES(1),(-1),(-2),(1),(2),(-1),(1)
SELECT * FROM TBL_COUNT
SELECT SIGN(ID) AS ID,COUNT(ID) FROM TBL_COUNT GROUP BY SIGN(ID)
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