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 |