## 导出部分字段dump key1, key2, value1, value2 [into result.csv] from table limit 10;## 按 xml 格式导出dump * [into 文件名] from table limit 10 using tdr;## 按 csv 格式导出dump * [into 文件名] from table limit 10;
参数 | Protobuf | TDR | 必填项 |
table | 表格的名字 | 表格的名字 | 是 |
key | 主键字段名,必须填入所有 key 值 | 主键字段名,必须填入所有 key 值 | 是 |
value | 非主键字段名 | 非主键字段名 | 否 |
limit | LIST 表:导出 key 的个数,一个 key 对应多条记录 GENERIC 表:导出记录的条数,一个 key 对应一条记录 | LIST 表:导出 key 的个数,一个 key 对应多条记录 GENERIC 表:导出记录的条数,一个 key 对应一条记录 | 否 |
using | 不支持 | 一 xml 格式导出数据,文件结构严格满足 xml 语法,该操作必须在启动 client 时提供 tdr 文件 | 否 |
into | 导出数据到文件 | 导出数据到文件 | 否 |
tcaplus> dump * from table_list limit 0;uin,name,key1,level,count,array_count,items,c_int8,c_uint8,c_int16,c_uint16,c_int32,c_uint32,c_int64,c_uint64,c_float,c_double,c_string,c_string_128K,c_string_256K,c_binary,binary,selector,single_struct,simple_struct,single_union_selector,single_union,array,c_union,union_array,c_struct,struct_array99,"99",99,1,0,1,0x,-1,2,-3,4,-5,6,-7,0,1.234568,9.876543,"","123456789","123456789",0x,0,0,0x,0x,0,0x,0x,0x,0x,0x,0x99,"99",99,1,0,1,0x,-1,2,-3,4,-5,6,-7,0,1.234568,9.876543,"","123456789","123456789",0x,0,0,0x,0x,0,0x,0x,0x,0x,0x,0x99,"99",99,1,0,1,0x,-1,2,-3,4,-5,6,-7,0,1.234568,9.876543,"","123456789","123456789",0x,0,0,0x,0x,0,0x,0x,0x,0x,0x,0x99,"99",99,1,0,1,0x,-1,2,-3,4,-5,6,-7,0,1.234568,9.876543,"","123456789","123456789",0x,0,0,0x,0x,0,0x,0x,0x,0x,0x,0xdump 4 records successfuldump time: 121671 ustcaplus> dump * into table_list.txt from table_list limit 0;dumped 4 records successfultcaplus> dump * into table_list.xml from table_list limit 0 using tdr;dumped 4 records successful
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