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31 lines
635 B
Go
31 lines
635 B
Go
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package mysql
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import (
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"regexp"
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"strings"
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)
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var mysqlFTSSymbolRegexp = regexp.MustCompile("[-+]+")
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func queryMinLength(query string) bool {
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return countLongestTerm(query) >= 3
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}
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func countLongestTerm(query string) int {
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max := 0
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for _, q := range strings.Split(query, " ") {
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if len(q) > max {
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max = len(q)
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}
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}
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return max
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}
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// transformQuery replaces occurrences of characters that are treated specially
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// by the MySQL FTS engine to try to make the search more user-friendly
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func transformQuery(query string) string {
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return strings.TrimSpace(
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mysqlFTSSymbolRegexp.ReplaceAllLiteralString(query, " "),
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) + "*"
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}
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