1. Singleton methods

new(page_size: 100)

[PARAM(optional)] page_size: The maximum number of items requested in one response. (Integer, default: 100)
[RETURN] A new Query object.

Query builds filter and sort criteria passed to DataSource#query_data_source. It is a mutable builder: methods such as and, or, ascending, and descending update the receiver and return it.

query = Query.new page_size: 100
ds.query_data_source query

↑ Table of Contents

2. Instance methods

and(another_query)

[PARAM] another_query A Query object containing another filter.
[RETURN] self
[RAISE] ArgumentError Raised with "query has no filter" when either query has no filter.

Joins the receiver and another_query with an AND condition. This method updates the receiver.

name = ds.properties["Name"]
score = ds.properties["Score"]
query = name.filter_starts_with("A").and(score.filter_greater_than(10))
ds.query_data_source query

↑ Table of Contents

ascending(property)

[PARAM] property A property object used for ascending sort.
[RETURN] self