MarkLogic 12 EA 1 Product Documentation
xdmp:sql-planxdmp:sql-plan(
$sql as xs:string,
[$options as xs:string*]
) as element()
Summary
Returns a node representing the query plan of the given SQL SELECT query.
Raises an error if the SQL query is not a SELECT query.
Parameters |
sql |
The SQL query to be executed.
|
options |
Options as a sequence of string values. Available options are:
- "optimize=N"
- Sets the optimization level to use. Levels of 0 (off), 1, and 2 are
recognized. The default is 1.
- "xml"
- Outputs an XML format query plan. This is the default.
- "json"
- Outputs a JSON format query plan. The default is "xml".
|
Required Privileges
http://marklogic.com/xdmp/privileges/xdmp-sql
Example
xdmp:sql-plan("select customername, customersince
from customers
where year(customersince) > 2000
and year(customersince) < 2013")
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