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Function
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- redis_close ()
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- return xi
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- sqrt()
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stax_query()
描述：
查询Cassandra数据库，结果值返回成序表
语法：
stax_query (staxClient, cql, [arg1], [arg2], ...)
备注：
外部库函数，外部库的使用请参考《外部库使用指南》。
数据库中查询指定的cql，返回cql的查询结果所组成的序表，其中staxClient为数据库连接。
参数：
|
staxClient |
数据库连接句柄 |
|
cql |
需要查询的cql语句 |
|
args |
参数值,可省略 |
返回值：
序表
示例：
|
|
A |
|
|
1 |
=stax_open("127.0.0.1":9042, "mycasdb","cassandra":"cassandra") |
Cassandra数据库连接 |
|
2 |
=stax_query(A1,"select * from user where id=?",1) |
执行Cassandra数据库查询 |
|
3 |
=stax_close(A1) |
|