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fix postgresql 'name', and 'oid' data types by switching to a driver
that handles them properly
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package postgresql | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "fmt" | ||
| "net" | ||
| "net/url" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/jackc/pgx" | ||
| "github.com/jackc/pgx/stdlib" | ||
| ) | ||
|
|
||
| // pulled from lib/pq | ||
| // ParseURL no longer needs to be used by clients of this library since supplying a URL as a | ||
| // connection string to sql.Open() is now supported: | ||
| // | ||
| // sql.Open("postgres", "postgres://bob:secret@1.2.3.4:5432/mydb?sslmode=verify-full") | ||
| // | ||
| // It remains exported here for backwards-compatibility. | ||
| // | ||
| // ParseURL converts a url to a connection string for driver.Open. | ||
| // Example: | ||
| // | ||
| // "postgres://bob:secret@1.2.3.4:5432/mydb?sslmode=verify-full" | ||
| // | ||
| // converts to: | ||
| // | ||
| // "user=bob password=secret host=1.2.3.4 port=5432 dbname=mydb sslmode=verify-full" | ||
| // | ||
| // A minimal example: | ||
| // | ||
| // "postgres://" | ||
| // | ||
| // This will be blank, causing driver.Open to use all of the defaults | ||
| func ParseURL(uri string) (string, error) { | ||
| u, err := url.Parse(uri) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| if u.Scheme != "postgres" && u.Scheme != "postgresql" { | ||
| return "", fmt.Errorf("invalid connection protocol: %s", u.Scheme) | ||
| } | ||
|
|
||
| var kvs []string | ||
| escaper := strings.NewReplacer(` `, `\ `, `'`, `\'`, `\`, `\\`) | ||
| accrue := func(k, v string) { | ||
| if v != "" { | ||
| kvs = append(kvs, k+"="+escaper.Replace(v)) | ||
| } | ||
| } | ||
|
|
||
| if u.User != nil { | ||
| v := u.User.Username() | ||
| accrue("user", v) | ||
|
|
||
| v, _ = u.User.Password() | ||
| accrue("password", v) | ||
| } | ||
|
|
||
| if host, port, err := net.SplitHostPort(u.Host); err != nil { | ||
| accrue("host", u.Host) | ||
| } else { | ||
| accrue("host", host) | ||
| accrue("port", port) | ||
| } | ||
|
|
||
| if u.Path != "" { | ||
| accrue("dbname", u.Path[1:]) | ||
| } | ||
|
|
||
| q := u.Query() | ||
| for k := range q { | ||
| accrue(k, q.Get(k)) | ||
| } | ||
|
|
||
| sort.Strings(kvs) // Makes testing easier (not a performance concern) | ||
| return strings.Join(kvs, " "), nil | ||
| } | ||
|
|
||
| func Connect(address string) (*sql.DB, error) { | ||
| if strings.HasPrefix(address, "postgres://") || strings.HasPrefix(address, "postgresql://") { | ||
| return sql.Open("pgx", address) | ||
| } | ||
|
|
||
| config, err := pgx.ParseDSN(address) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| pool, err := pgx.NewConnPool(pgx.ConnPoolConfig{ConnConfig: config}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return stdlib.OpenFromConnPool(pool) | ||
| } |
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