Single query functions

Function	Description	Usage
$eq	Is equal to a given value.	"$eq":[<field_name>,<value>]
$contains	Contains a given value.	"$contains":[<field_name>,<value>]
$neq	Is not equal to a given value.	"$neq":[<field_name>,<value>]
$ncontains	Does not contain a given value.	"$ncontains":[<field_name>,<value>]
$range	Contains value in a given range of values.	"$range":[<field_name>,<lower_value>, <upper_value>,<lower_inclusive>,<upper_inclusive>]
$gt	Is greater than a given value.	"$gt":[<field_name>,<value>]
$gte	Is greater than or equal to a given value.	"$gte":[<field_name>,<value>]
$lt	Is less than a given value.	"$lt":[<field_name>,<value>]
$lte	Is less than or equal to a given value.	"$lte":[<field_name>,<value>]
$eq_any	Is equal to any value in a list of values.	"$eq_any": [ <field_name>, [<value1>, <value2>, ...] ]
$contains_any	Contains any value in a list of values.	"$contains_any":[ <field_name>,[<value1>,<value2>,...] ]
$eq_none	Is not equal to any value in a list of values.	"$eq_none":[ <field_name>,[<value1>,<value2>,...] ]
$contains_none	Does not contain any value in a list of values.	"$contains_none":[ <field_name>,[<value1>,<value2>,...] ]
$eq_all	Equals all values in a list of values.	"$eq_all":[ <field_name>,[<value1>,<value2>,...] ]
$contains_all	Contains all values in a list of values.	"$contains_all":[ <field_name>,[<value1>,<value2>,...] ]