1e41f4b71Sopenharmony_ci# OH_VBucket 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciDefines the types of the key and value in a KV pair. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**Since**: 10 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**Related module**: [RDB](_r_d_b.md) 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci## Summary 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci### Member Variables 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| Name| Description| 19e41f4b71Sopenharmony_ci| -------- | -------- | 20e41f4b71Sopenharmony_ci| [id](_r_d_b.md#id-45) | Unique identifier of the **OH_VBucket** struct.| 21e41f4b71Sopenharmony_ci| [capability](_r_d_b.md#capability) | Number of the KV pairs in the struct.| 22e41f4b71Sopenharmony_ci| [putText](_r_d_b.md#puttext-12) | Puts a char value into the **OH_VBucket** object in the given column.| 23e41f4b71Sopenharmony_ci| [putInt64](_r_d_b.md#putint64-12) | Puts an int64_t value into the **OH_VBucket** object in the given column.| 24e41f4b71Sopenharmony_ci| [putReal](_r_d_b.md#putreal) | Puts a double value into the **OH_VBucket** object in the given column.| 25e41f4b71Sopenharmony_ci| [putBlob](_r_d_b.md#putblob) | Puts a const uint8_t value into the **OH_VBucket** object in the given column.| 26e41f4b71Sopenharmony_ci| [putNull](_r_d_b.md#putnull) | Puts a null value into the **OH_VBucket** object in the given column.| 27e41f4b71Sopenharmony_ci| [clear](_r_d_b.md#clear-22) | Clears an **OH_VBucket** object.| 28e41f4b71Sopenharmony_ci| [destroy](_r_d_b.md#destroy-34) | Destroys an **OH_VBucket** object and reclaims the memory occupied.| 29