Note
This parameter is available starting with V4.6.0.
Description
external_table_csv_max_buffer_size specifies the buffer size for parsing CSV external tables.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query this parameter by using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify the parameter
The
systenant and user tenants can modify this parameter.
Attributes
Attribute |
Description |
|---|---|
| Type | Int |
| Default value | 1G |
| Value range | [0B, +∞) |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No. The setting takes effect immediately. |
Considerations
If a SIZE_OVERFLOW error occurs when you use the default CSV external table buffer size, you can increase the buffer size as needed.
Examples
Set the buffer size for parsing CSV external tables to 2G.
obclient> ALTER SYSTEM SET external_table_csv_max_buffer_size = "2G";