Help Center/ MapReduce Service/ Component Operation Guide (LTS) (Paris Region)/ Using CarbonData/ CarbonData FAQ/ Why Is Incorrect Output Displayed When I Perform Query with Filter on Decimal Data Type Values?
Updated on 2022-12-14 GMT+08:00
View PDF
Share

Why Is Incorrect Output Displayed When I Perform Query with Filter on Decimal Data Type Values?

Question

Why is incorrect output displayed when I perform query with filter on decimal data type values?

For example:

select * from carbon_table where num = 1234567890123456.22;

Output:

+------+---------------------+--+
| name |        num          |
+------+---------------------+--+
| IAA  | 1234567890123456.22 |
| IAA  | 1234567890123456.21 |
+------+---------------------+--+

Answer

To obtain accurate output, append BD to the number.

For example:

select * from carbon_table where num = 1234567890123456.22BD;

Output:

+------+---------------------+--+
| name |        num          |
+------+---------------------+--+
| IAA  | 1234567890123456.22 |
+------+---------------------+--+
Parent topic: CarbonData FAQ