Indicator variables can be associated with the output main variables used in the INTO clause of a data returning statement or cursor FETCH statement.
Value Returned from the Teradata Database |
Description |
Null for a column and no indicator variable exists |
The SQLCODE in the SQLCA is set to -305. The value of the receiving main variable remains unchanged. |
Negative value |
The field was returned to the main variable with no exception conditions. |
Positive value |
The returned byte or character string was truncated. This value represents the original length of the string before truncation. |
For example:
EXEC SQL
SELECT col1
INTO :hostvar1 :indvar1
FROM table1
WHERE col1 = :hostvar2;
EXEC SQL
FETCH cursor1 INTO :hostvar1 :indvar1;