Query Operators

All standard Feathers query operators are supported, plus the following:

Comparison Operators

Operator	SQL	Description
$lt	<	Less than
$lte	<=	Less than or equal
$gt	>	Greater than
$gte	>=	Greater than or equal
$in	IN	In a list of values
$nin	NOT IN	Not in a list of values
$eq	= / IS	Equal (handles null)
$ne	!= / IS NOT	Not equal (handles null)

Pattern Matching

Operator	SQL	Description
$like	LIKE	Pattern matching
$notLike	NOT LIKE	Negated pattern matching
$iLike	ILIKE	Case-insensitive pattern matching (PostgreSQL)

Array Operators (PostgreSQL)

Operator	SQL	Description
$contains	@>	Array contains
$contained	<@	Array contained by
$overlap	&&	Array overlap

Logical Operators

$and and $or are supported for combining conditions:

// Users named Alice who are at least 18
await app.service("users").find({
  query: {
    $and: [{ name: "Alice" }, { age: { $gte: 18 } }],
  },
});

// Users named Alice or Bob
await app.service("users").find({
  query: {
    $or: [{ name: "Alice" }, { name: "Bob" }],
  },
});