Data Type Mappings
Apache Impala to TDV Data Types
The following limits apply to Apache Impala data type mapping:
| • | The maximum length for VARCHAR is 65355. |
| • | The maximum precision for CAST function is 38. |
| • | The maximum scale for CAST function is 38. |
The following table shows the mapping from Apache Impala data types to TDV data types.
|
Apache Impala 2.0 Data Type |
TDV Data Type |
|
DATE |
TIMESTAMP |
|
DECIMAL |
DECIMAL |
|
NUMERIC |
DECIMAL |
|
FLOAT |
FLOAT |
|
CHAR |
CHAR |
|
VARCHAR |
VARCHAR |
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