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# Equal

`==` judges whether the given value equals another value.

• Expression: `<value1>` == `<value2>`
• Operand: number, time, string
• Abbreviated form: when judging whether the UUID of the current node/edge equals an integer or the UUID of a certain node/edge alias, the filter can be abbreviated as the integer or the node/edge alias without the curly bracket:
Standard Form Abbreviated Form Description
({ _uuid == 10}) (10)
({ _uuid == `num`}) (`num`) `num` is the alias of an integer
({ _uuid == `node`._uuid}) (`node`) `node` is the alias of a node
({ _uuid == `edge`._uuid}) (`edge`) `edge` is the alias of an edge

## Constant

Example: judge whether "Ultipa" equals "Ultipa"

``````return "Ultipa" == "U1tipa"
``````

## Function

Example: judge whether PI equals 3

``````return pi() == 3
``````

## Alias

Example: find nodes whose levels are 1, return 10 nodes with all properties

``````find().nodes() as n
where n.level == 1
limit 10
return n{*}
``````

## Property

Example: Find information of 10 bank cards

``````find().nodes({@ == "card"}) as n
limit 10
return n{*}
``````

Analysis: we can also use another expression `{@card}`, see Conditional Operators `@`.

Example: Find 10 nodes at level 1

``````find().nodes({@card.level == 1}) as n
limit 10
return n{*}
``````

Example: Find 10 bank cards at level 1

``````find().nodes({@card.level == 1})
return nodes{*} limit 10
``````

## UUID (Abbreviated)

Example: Find 1-hop neighbors of node whose UUID is 1, then find 1-hop neighbors of these neighbors, return deduplicated results

``````khop().src({_uuid == 1}).depth(1) as neighbor1
khop().src({_uuid == neighbor1._uuid}).depth(1) as neighbor2
return distinct(neighbor2)
``````