contract KVTable { function get(string) public view returns (bool, Entry); function set(string, Entry) public returns (int256); function newEntry() public view returns (Entry); } 提供一个合约案例KVTableTest.sol，代码如下： createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); bool ok = false; ME, "name", "item_id,item_name"); } //select records function select(string memory name) public view returns (string[] memory, int256[] memory, string[] memory) { Table table = tableFactory.openTable(TABLE_NAME);

contract KVTable { function get(string) public view returns (bool, Entry); function set(string, Entry) public returns (int256); function newEntry() public view returns (Entry); } 提供一个合约案例KVTableTest.sol，代码如下： createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); bool ok = false; ME, "name", "item_id,item_name"); } //select records function select(string memory name) public view returns (string[] memory, int256[] memory, string[] memory) { Table table = tableFactory.openTable(TABLE_NAME);

contract KVTable { function get(string) public view returns (bool, Entry); function set(string, Entry) public returns (int256); function newEntry() public view returns (Entry); } 提供一个合约案例KVTableTest.sol，代码如下： createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); bool ok = false; ME, "name", "item_id,item_name"); } //select records function select(string memory name) public view returns (string[] memory, int256[] memory, string[] memory) { Table table = tableFactory.openTable(TABLE_NAME);

合约接口声明如下: pragma solidity ^0.4.24; contract KVTableFactory { function openTable(string) public view returns (KVTable); // 创建KVTable，参数分别是表名、主键列名、以逗号分割的字段名，字段可以有多个 function createTable(string, string contract KVTable { function get(string) public view returns (bool, Entry); function set(string, Entry) public returns (int256); function newEntry() public view returns (Entry); } 提供一个合约案例KVTableTest.sol，代码如下： createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); bool ok = false;

createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest solidity >=0.6.10 <0.8.20; contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string function select(string tableName, string key, string condition, string) public view returns (string); function update( string tableName, string key, string

createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest solidity >=0.6.10 <0.8.20; contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string function select(string tableName, string key, string condition, string) public view returns (string); function update( string tableName, string key, string

createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest solidity >=0.6.10 <0.8.20; contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string function select(string tableName, string key, string condition, string) public view returns (string); function update( string tableName, string key, string

sol，代码如下： pragma solidity ^0.4.24; contract KVTableFactory { function openTable(string) public view returns (KVTable); // 创建KVTable，参数分别是表名、主键列名、以逗号分割的字段名，字段可以有多 个 function createTable(string createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest CRUDPrecompiled-0x1002 接口声明 contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string

sol，代码如下： pragma solidity ^0.4.24; contract KVTableFactory { function openTable(string) public view returns (KVTable); // 创建KVTable，参数分别是表名、主键列名、以逗号分割的字段名，字段可以有多 个 function createTable(string createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest CRUDPrecompiled-0x1002 接口声明 contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string

createTable(TABLE_NAME, "id", "item_price,item_name"); } //get record function get(string id) public view returns (bool, int256, string) { KVTable table = tableFactory.openTable(TABLE_NAME); KVTableTest solidity>=0.4.24 <0.6.11; contract TableFactory { function openTable(string tableName) public view returns (Table); //open table function createTable(string tableName, string keyField, string function select(string tableName, string key, string condition, string) public view returns (string); function update( string tableName, string key, string