Function getSimpleStringMatchingRegex

pgserver/stmt.go:334–343

This function will return a regex that matches all type casts in the query.

()

	// column conversion
	"proallargtypes": catalog.SchemaNameSYS + "." + catalog.MacroNameMySplitListStr + "(proallargtypes)",
	"proargtypes":    catalog.SchemaNameSYS + "." + catalog.MacroNameMySplitListStr + "(proargtypes)",
}

// This function will return a regex that matches all type casts in the query.
func getSimpleStringMatchingRegex() *regexp.Regexp {
	initSimpleStrMatchingRegex.Do(func() {
		var simpleStrings []string
		for simpleString := range simpleStringsConversion {
			simpleStrings = append(simpleStrings, regexp.QuoteMeta(simpleString))
		}
		simpleStrMatchingRegex = regexp.MustCompile(`(?i)(` + strings.Join(simpleStrings, "|") + `)`)
	})