MarkLogic Server 11.0 Product Documentation
AccessPlan.prototype.explainAccessPlan.prototype.explain(
[format as String],
[options as String[]]
) as Plan
Summary
This method returns a representation of the builtin execution plan.
Parameters |
format |
The format of the returned plan, expressed as
a lower-case string. This can be either xml (default)
or json .
|
options |
Options as an array 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.
- "seed=N"
Sets the seed to use. The default will generate a random seed. Setting it to
0 will behave the same as the default case. The default is 0.
|
Usage Notes
explain
is a method of the following classes:
Example
const op = require('/MarkLogic/optic');
op.fromView('main', 'employees')
.select(['EmployeeID', 'FirstName', 'LastName'])
.orderBy('EmployeeID')
.explain();
Example
const op = require('/MarkLogic/optic');
op.fromView('main', 'employees')
.select(['EmployeeID', 'FirstName', 'LastName'])
.orderBy('EmployeeID')
.explain('json', ['seed=0','optimize=1']);
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