contains judges if the word segmentation result of a given string contains the the word segmentation result of a sub string

• Expression: ~<fulltext> contains "<subtext1>* <subtext2>* ..."
• Operand: full-text index, string constant
• Pattern: fuzzy match (with star *) and precise match (w/o star *), refer to Full-text Index for details

Full-text contain 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.