The holy box of search
A holy box of search is a text input box, where you can type all the constraints that you want to search.
For example, if I want to search on a news database for news that has the word "India" in its title, the word "occupation" in its content, is dated between 1990 to 1992, and whose author is Shiv Shankar, I should swiftly be able to search this in the following way:
Title:India AND Content:occupation AND date:[1900-01-01 TO 1992-01-01] AND author:"Shiv Shankar"
For this kind of a search, the query string query is the weapon of our choice.
It gives us a variety of search options, which can be written as plain text. These features are discussed in the next section.
The field search
You can specify a particular field by the ...
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