Judges whether a string contains another string.

• Expression: <value1> CONTAINS <value2>
• Operand: string

Constant

Example: Judge whether 'Graph Database' contains 'graph'

return "Graph Database@d134" contains "graph"

0

Function

Example: Convert 'Graph Database' to lowercase and judge whether it contains 'graph'

return lower("Graph Database@d134") contains "graph"

1

Alias

Example: Judge each row of an alias whether it contains 'graph'

uncollect ["Graph", "grAph", "graph"] as a
return a contains "graph"

0
0
1

Sample graph: (to be used for the following examples)

create().node_schema("professor").node_schema("student")
create().node_property(@*, "age", int32).node_property(@*, "email", string)
insert().into(@professor).nodes([{_id:"P001",_uuid:1,age:53,email:"test@yahoo.cn"},{_id:"P002",_uuid:2,age:27,email:"test@ultipa.com"}])
insert().into(@student).nodes([{_id:"S001",_uuid:3,age:27,email:"test@yeah.net"},{_id:"S002",_uuid:4,age:20,email:"test@w3.org"},{_id:"S003",_uuid:5,age:25,email:"test@gmail.com"}])

Property

Example: Find nodes whose email contains 'ultipa'

find().nodes({email contains "ultipa"}) as n
return n{*} 

|--------------- @professor --------------|
|  _id  | _uuid |  age  |       email     |
|-------|-------|-------|-----------------|
| P002  |   2   |  27   | test@ultipa.com |

Example: Find nodes of @professor, whose email contains 'ultipa'

find().nodes({@professor.email contains "ultipa"}) as n
return n{*} 

|--------------- @professor --------------|
|  _id  | _uuid |  age  |       email     |
|-------|-------|-------|-----------------|
| P002  |   2   |  27   | test@ultipa.com |