Precedence Rules; Delimiters In Expressions; Operators And Modifiers - MACROMEDIA COLDFUSION MX 61-DEVELOPING COLDFUSION MX Develop Manual

Precedence rules

Expressions are read from left to right. The AND operator takes precedence over the OR
operator; however, terms enclosed in parentheses are evaluated first. When the search engine
encounters nested parentheses, it starts with the innermost term.
Example
Moses AND Larry OR Jerome
(Moses AND Larry) OR Jerome
Moses AND (Larry OR Jerome)

Delimiters in expressions

You use angle brackets (< >), double quotation marks ("), and backslashes (\) to delimit various
elements in a search expression, as the following table describes:
Character Usage
< > Left and right angle brackets are reserved for designating operators and modifiers.
They are optional for the AND, OR, and NOT, but required for all other operators.
" Use double quotation marks in expressions to search for a word that is otherwise
reserved as an operator or modifier, such as AND, OR, and NOT.
\ To include a backslash in a search expression, insert two backslashes for each
backslash character that you want included in the search; for example,
C:\\cfusionmx\\bin.

Operators and modifiers

You are probably familiar with searches containing AND, OR, and NOT. Verity has many
additional operators and modifiers, of various types, that offer you a high degree of specificity in
setting search parameters.
Operators
An operator represents logic to be applied to a search element. This logic defines the qualifications
that a document must meet to be retrieved. You can use operators to refine your search or to
influence the results in other ways.
For example, you can construct an HTML form for conducting searches. In the form, you can
search for a single term. You can refine the search by limiting the search scope in a number of
ways. Operators are available for limiting a query to a sentence or paragraph, and you can search
words based on proximity.
Ordinarily, you use operators in explicit searches, as follows:
"<operator>search_string"
Search result
documents that contain Moses and Larry, or Jerome
(same as above)
documents that contain Moses and either Larry or Jerome
Composing search expressions 543