Help Center/ MapReduce Service/ Component Operation Guide (LTS) (Ankara Region)/ Using CarbonData/ CarbonData Troubleshooting/ Filter Result Is not Consistent with Hive when a Big Double Type Value Is Used in Filter

Updated on 2024-11-29 GMT+08:00

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Filter Result Is not Consistent with Hive when a Big Double Type Value Is Used in Filter

Symptom

When double data type values with higher precision are used in filters, incorrect values are returned by filtering results.

Possible Causes

When double data type values with higher precision are used in filters, values are rounded off before comparison. Therefore, values of double data type with different fraction part are considered same.

Troubleshooting Method

NA.

Procedure

To avoid this problem, use decimal data type when high precision data comparisons are required, such as financial applications, equality and inequality checks, and rounding operations.

Reference Information

NA.

Parent topic: CarbonData Troubleshooting

Previous topic: CarbonData Troubleshooting

Next topic: Query Performance Deterioration

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