select key1, key2, key3, value1, value2 [into result.csv] from table where key1 = 1 and key2 = "abc" [and -index = 1] [\\P] [\\G] [using tdr]select * [into result.xml] from table where key1 = 1 and key2 = "abc" [and -index = 1] using tdr [\\P];
Parameter | Protobuf | TDR | Required |
table | Table name | Table name | Yes |
key | Primary key field name. The global index query is supported. You can enter some key values. | Primary key field name. All key values are required. | Yes |
value | Non-primary key field name | Non-primary key field name | Yes, at least one |
-index | LIST table: if \\-index is specified, the index record under the same key will be returned; if \\-index is not specified, all records will be returned.GENERIC table: not supported | LIST table: if \\-index is specified, the index record under the same key will be returned; if \\-index is not specified, all records will be returned.GENERIC table: not supported | No |
\\P | Printing latency | Printing latency | No |
\\G | Vertical printing | Vertical printing | No |
using tdr | Not supported | When data is output in XML format, the file structure must strictly comply with the XML syntax. A TDR file must be provided when the client is started. | No |
into | Output data to the file | Output data to the file | No |
tcaplus> select * from test_table where gameid=1234 and itemid=12323 and name='testname';+------+------+----------+------+----+-----+|gameid|itemid|name |typeid|Data|uname|+------+------+----------+------+----+-----+|1234 |12323 |"testname"|0 |9 |"ab" |+------+------+----------+------+----+-----+1 records selectd, select time: 9802 ustcaplus> select uname from test_table where gameid=1234 and itemid=12323 and name='testname';+------+------+----------+-----+|gameid|itemid|name |uname|+------+------+----------+-----+|1234 |12323 |"testname"|"ab" |+------+------+----------+-----+1 records selectd, select time: 9457 ustcaplus> select * into test.txt from test_table where gameid=1234 and itemid=12323 and name='testname';1 records are stored to test.csv, select time: 10198 ustcaplus> select * from test_table where gameid=1234 and itemid=12323 and name='testname' \\P \\G;gameid: 1234itemid: 12323name: "testname"typeid: 0Data: 9uname: "ab"API ---- -1us --->ProxyFront---- 10us --->ProxyEnd--- 364us --->SvrMainStart| | | |381us|11380us |4138us |4104us SvrWorkerStart| | | |61usAPI <--- 34197us ----ProxyFront<--- 24us ----ProxyEnd<-- 3298us ----SvrWorkerEnd1 records selectd, select time: 11380 ustcaplus> select * into table_list.xml from table_list where uin=99 and name = "99" and key1=99 using tdr;11 records are stored to table_list.xml, select time: 135299 ustcaplus> select c_string from table_list where uin=99 and name = "99" and key1=99;+---+----+----+--------+|uin|name|key1|c_string|+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |"" |+---+----+----+--------+|99 |"99"|99 |"" |+---+----+----+--------+|99 |"99"|99 |"" |+---+----+----+--------+|99 |"99"|99 |"" |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+11 records selectd, select time: 102572 ustcaplus> select c_string from table_list where uin=99 and name = "99" and key1=99 and -index=9;+---+----+----+--------+|uin|name|key1|c_string|+---+----+----+--------+|99 |"99"|99 |" " |+---+----+----+--------+1 records selectd, select time: 9886 us
피드백