This perform returns a worth that could be close to comprehended as the greatest similarity amongst the first string and any substring of the สล็อตเว็บตรง 2nd string.
This module is considered “trusted”, that is definitely, it may be set up by non-superusers who may have build privilege on the current databases.
A trigram is a group of three consecutive figures taken from the string. we could measure the similarity of two strings by counting the number of trigrams they share. this easy idea seems for being really productive for measuring the similarity of words in many organic languages.
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The pg_trgm module presents capabilities and operators for identifying the similarity of alphanumeric textual content based on trigram matching, and also index operator courses that guidance quickly seeking related strings.
Returns The present similarity threshold employed by the % operator. This sets the bare minimum similarity concerning two phrases for them being viewed as equivalent more than enough to be misspellings of every other, one example is. (
Returns an array of many of the trigrams during the provided string. (In apply This can be seldom valuable aside from debugging.)
Returns a selection that implies the best similarity between the list of trigrams in the initial string and any continuous extent of an ordered set of trigrams in the 2nd string. For information, see the rationalization beneath.
Returns a selection that suggests how similar the two arguments are. The choice of the result is zero (indicating that the two strings are wholly dissimilar) to 1 (indicating that the two strings are similar).
identical as word_similarity, but forces extent boundaries to match phrase boundaries. because we don't have cross-term trigrams, this functionality truly returns finest similarity concerning 1st string and any steady extent of words and phrases of the 2nd string.
having said that, this function isn't going to add padding on the boundaries of the extent. As a result, the quantity of additional characters current in the next string will not be regarded, apart from the mismatched word boundaries.
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