1# OH_Cursor 2 3 4## Overview 5 6Provides APIs to access the result set obtained by querying the RDB store. 7 8**Since**: 10 9 10**Related modules**: [RDB](_r_d_b.md) 11 12 13## Summary 14 15 16### Member Variables 17 18| Name| Description| 19| -------- | -------- | 20| [id](_r_d_b.md#id-14) | Unique identifier of the **OH_Cursor** struct. | 21| [getColumnCount](_r_d_b.md#getcolumncount) | Pointer to the function used to obtain the number of columns in the result set. | 22| [getColumnType](_r_d_b.md#getcolumntype) | Pointer to the function used to obtain the column type based on the specified column index. | 23| [getColumnIndex](_r_d_b.md#getcolumnindex) | Pointer to the function used to obtain the column index based on the specified column name. | 24| [getColumnName](_r_d_b.md#getcolumnname) | Pointer to the function used to obtain the column name based on the specified column index. | 25| [getRowCount](_r_d_b.md#getrowcount) | Pointer to the function used to obtain the number of rows in the result set. | 26| [goToNextRow](_r_d_b.md#gotonextrow) | Pointer to the function used to go to the next row of the result set. | 27| [getSize](_r_d_b.md#getsize) | Pointer to the function used to obtain information about the memory required when the column data type in the result set is **BLOB** or **TEXT**. | 28| [getText](_r_d_b.md#gettext) | Pointer to the function used to obtain the value of the string type based on the specified column and the current row. | 29| [getInt64](_r_d_b.md#getint64) | Pointer to the function used to obtain the value of the int64_t type based on the specified column and the current row. | 30| [getReal](_r_d_b.md#getreal) | Pointer to the function used to obtain the value of the double type based on the specified column and the current row. | 31| [getBlob](_r_d_b.md#getblob) | Pointer to the function used to obtain the values in the form of a byte array based on the specified column and the current row. | 32| [isNull](_r_d_b.md#isnull-12) | Pointer to the function used to check whether the value in the specified column is null. | 33| [destroy](_r_d_b.md#destroy-14) | Pointer to the function used to close a result set. | 34| [getAsset](_r_d_b.md#getasset) | Pointer to the function used to obtain the value of the asset type based on the specified column and current row. | 35| [getAssets](_r_d_b.md#getassets) | Pointer to the function used to obtain the values in the form of an asset array based on the specified column and current row. | 36