74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
//go:build !pq
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// +build !pq
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package postgresql
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import (
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"net"
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"sort"
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"strings"
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)
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// String reassembles the parsed PostgreSQL connection URL into a valid DSN.
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func (c ConnectionURL) String() (s string) {
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u := []string{}
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// TODO: This surely needs some sort of escaping.
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if c.User != "" {
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u = append(u, "user="+escaper.Replace(c.User))
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}
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if c.Password != "" {
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u = append(u, "password="+escaper.Replace(c.Password))
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}
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if c.Host != "" {
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host, port, err := net.SplitHostPort(c.Host)
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if err == nil {
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if host == "" {
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host = "127.0.0.1"
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}
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if port == "" {
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port = "5432"
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}
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u = append(u, "host="+escaper.Replace(host))
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u = append(u, "port="+escaper.Replace(port))
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} else {
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u = append(u, "host="+escaper.Replace(c.Host))
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}
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}
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if c.Socket != "" {
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u = append(u, "host="+escaper.Replace(c.Socket))
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}
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if c.Database != "" {
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u = append(u, "dbname="+escaper.Replace(c.Database))
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}
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// Is there actually any connection data?
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if len(u) == 0 {
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return ""
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}
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if c.Options == nil {
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c.Options = map[string]string{}
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}
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// If not present, SSL mode is assumed "prefer".
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if sslMode, ok := c.Options["sslmode"]; !ok || sslMode == "" {
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c.Options["sslmode"] = "prefer"
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}
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// Disabled by default
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c.Options["statement_cache_capacity"] = "0"
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for k, v := range c.Options {
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u = append(u, escaper.Replace(k)+"="+escaper.Replace(v))
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}
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sort.Strings(u)
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return strings.Join(u, " ")
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}
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