patentsview (version 0.3.0)

qry_funs: List of query functions

Description

A list of functions that make it easy to write PatentsView queries. See the details section below for a list of the 14 functions, as well as the writing queries vignette for further details.

Usage

qry_funs

Value

An object of class pv_query. This is basically just a simple list with a print method attached to it.

Format

An object of class list of length 14.

Details

1. Comparison operator functions

There are 6 comparison operator functions that work with fields of type integer, float, date, or string:

• eq - Equal to

• neq - Not equal to

• gt - Greater than

• gte - Greater than or equal to

• lt - Less than

• lte - Less than or equal to

There are 2 comparison operator functions that only work with fields of type string:

• begins - The string begins with the value string

• contains - The string contains the value string

There are 3 comparison operator functions that only work with fields of type fulltext:

• text_all - The text contains all the words in the value string

• text_any - The text contains any of the words in the value string

• text_phrase - The text contains the exact phrase of the value string

2. Array functions

There are 2 array functions:

• and - Both members of the array must be true

• or - Only one member of the array must be true

3. Negation function

There is 1 negation function:

• not - The comparison is not true

Examples

# NOT RUN {
qry_funs$eq(patent_date = "2001-01-01")

qry_funs$not(qry_funs$eq(patent_date = "2001-01-01"))

# }