This structure queries meta data.
typedef struct ESS_PARTOTL_SELECT_CHG_T
{
ESS_STR_T pszFileName;
ESS_PARTOTL_QRY_FILTER_T QueryFilter;
} ESS_PARTOTL_SELECT_CHG_T, *ESS_PPARTOTL_SELECT_CHG_T,
**ESS_PPPARTOTL_SELECT_CHG_T;
| Data Type | Field | Descriptions |
| ESS_STR_T | pszFileName | Meta change file name. |
| ESS_PARTOTL_QRY_FILTER_T | QueryFilter | Only reads records which satisfy the criteria. |