basinfinity.blogg.se - Dtsearch indexing

Please take a look at the following examples: You must use double quotes when searching for exact phrases that contain words that are reserved as dtSearch operators, such as the Boolean connectors AND, OR. Returns the exact phrase: apple grape bananaĭoes not return partial phrase: apple grapeĭoes not return standalone word: grape banana

Does not return standalone word: orange.

You only need to use double quotes when searching for a word that is a dtSearch operator (see the next section). There is no rule that requires double quotes around a phrase of any number of words. For example, if you search for apple pear, dtSearch returns documents that contain the exact phrase apple pear. Searching for words right next to each other with no operator between them constitutes an exact phrase in dtSearch. Watch the following Special Considerations for dtSearch video. For example, if your exact phrase search is an acronym like ACT, you must build a case-sensitive dtSearch index. All characters in a dtSearch index are normalized to lowercase.

dtSearch indexes are case insensitive by default.

For more information, see Searching for symbols. In order to search for these symbols, you must index the character by modifying the alphabet file. The colon (:) and ampersand (&) are not used by Relativity but are still considered a syntax term by the dtSearch index.Verify that a given character is defined as causing a word break before using it as a space in a dtSearch.

The underscore (_) is not recognized as a space by default.Special characters or operatorsĪuto-recognition of dates, emails, credit cardsįor the list of the special characters recognized as spaces that cause word breaks, see Noise words and the alphabet file. The following table summarizes the syntax options available for queries run against a dtSearch index. DtSearch includes special characters and other operators that you can use to define search criteria.