Judges whether the fulltext index of a property contains another (or more) string.

• Expression: ~<fulltext> CONTAINS "<value1>* <value2>* ..."
• Left operand: full-text index
• Right operand: string constant
• Pattern: fuzzy match (with star *) or precise match (w/o star *), refer to Full-text Index for details

This operator exists only in Ultipa filter and cannot appear as an expression in a UQL clause.

Common Usage

Example: Find products that contain keywords 'graph' and 'database' by the full-text index named 'prodDesc'

find().nodes({~prodDesc contains "graph database"}) 
return nodes

Please refer to Index | Full-text | LTE - Full-text Index for more examples.