oh_cursor.h
Overview
Provides APIs to access the result set obtained by querying the RDB store.
A result set is a set of results returned by query().
File to include: <database/rdb/oh_cursor.h>
Library: libnative_rdb_ndk.z.so
Since: 10
Related module: RDB
Summary
Structs
| Name | Description |
|---|---|
| OH_Cursor | Defines a result set. |
Types
| Name | Description |
|---|---|
| typedef struct OH_Cursor OH_Cursor | Defines a result set. |
Functions
| Name | Description |
|---|---|
| int OH_Cursor_GetFloatVectorCount (OH_Cursor *cursor, int32_t columnIndex, size_t *length) | Obtains the length of a floating-point array in the specified column of the current row. |
| int OH_Cursor_GetFloatVector (OH_Cursor *cursor, int32_t columnIndex, float *val, size_t inLen, size_t *outLen) | Obtains the value in the specified column of the current row in the form of a floating-point array. |