Description:
Query data stored in DynamoDB.
Syntax:
dynadb._query(sql)
dynadb.query(A,sql)
Note:
The external library function (See External Library Guide) queries data in DynamoDB using a SQL statement.
Parameter:
|
A |
A sequence on which the sql statement is executed circularly while calculating different parameter values to pass to sql for execution |
|
sql |
A SQL statement |
Return value:
A table sequence
Example:
|
|
A |
|
1 |
=dyna_open("http://localhost:8000", "us-east-2") |
|
2 |
=A1.query("select * from emp") |
|
3 |
=A1.query("select * from emp where lname in (?,?,?) and gender = ?","Gary","Eddy","Lee","F") |
|
4 |
=A1.query("select * from emp where gender =?","M") |
|
5 |
[201,'Joshua',205,'Emma',212,'Ryan'] |
|
6 |
=A1.query(A5, "select * from emp where pid = ? and fname=?") |
|
7 |
>A1.close() |