damex_getFirstCol
- Last Updated: May 12, 2026
- 1 minute read
- OpenAccess SDK
- Version 9.0
- Documentation
This method navigates through the columns that appear in the schema definition of the table. Call this method with the column types to be navigated and then use the damex_getNextCol method to step through the list.
int64 damex_getFirstCol(
int64 hTable,
int iColType)
Parameters for damex_getFirstCol
| Parameter | Type | Description |
| IN | ||
| hTable | int64 | Table handle |
| iColType | int | Identifies the column list to navigate; use a bitwise OR ( | ) of the following flags to scan through columns that are in multiple categories: DAM_COL_IN_SCHEMA – list of all columns as defined in the schema database DAM_COL_IN_RESULT – list of columns that are part of the result set DAM_COL_IN_CONDITION – list of columns that are in the WHERE clause DAM_COL_IN_UPDATE_VAL_EXP – list of all columns that are part of UPDATE value expressions DAM_COL_IN_USE – list of columns that are either part of the result or are in the WHERE clause |
| RETURN | ||
| int64 | The handle to the first column that has the attributes of iColType. A NULL otherwise. |