[chore]: Bump github.com/jackc/pgx/v4 from 4.17.2 to 4.18.1 (#1595)

Bumps [github.com/jackc/pgx/v4](https://github.com/jackc/pgx) from 4.17.2 to 4.18.1.
- [Release notes](https://github.com/jackc/pgx/releases)
- [Changelog](https://github.com/jackc/pgx/blob/v4.18.1/CHANGELOG.md)
- [Commits](https://github.com/jackc/pgx/compare/v4.17.2...v4.18.1)

---
updated-dependencies:
- dependency-name: github.com/jackc/pgx/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

vendor/github.com/jackc/pgconn/CHANGELOG.md

@@ -1,3 +1,10 @@
+# 1.14.0 (February 11, 2023)
+
+* Fix: each connection attempt to new node gets own timeout (Nathan Giardina)
+* Set SNI for SSL connections (Stas Kelvich)
+* Fix: CopyFrom I/O race (Tommy Reilly)
+* Minor dependency upgrades
+
 # 1.13.0 (August 6, 2022)
 
 * Add sslpassword support (Eric McCormack and yun.xu)

vendor/github.com/jackc/pgconn/README.md

@@ -1,6 +1,12 @@
 [![](https://godoc.org/github.com/jackc/pgconn?status.svg)](https://godoc.org/github.com/jackc/pgconn)
 ![CI](https://github.com/jackc/pgconn/workflows/CI/badge.svg)
 
+---
+
+This version is used with pgx `v4`. In pgx `v5` it is part of the https://github.com/jackc/pgx repository.
+
+---
+
 # pgconn
 
 Package pgconn is a low-level PostgreSQL database driver. It operates at nearly the same level as the C library libpq.

vendor/github.com/jackc/pgconn/config.go

@@ -297,6 +297,7 @@ func ParseConfigWithOptions(connString string, options ParseConfigOptions) (*Con
 		"sslcert":              {},
 		"sslrootcert":          {},
 		"sslpassword":          {},
+		"sslsni":               {},
 		"krbspn":               {},
 		"krbsrvname":           {},
 		"target_session_attrs": {},
@@ -424,6 +425,7 @@ func parseEnvSettings() map[string]string {
 		"PGSSLMODE":            "sslmode",
 		"PGSSLKEY":             "sslkey",
 		"PGSSLCERT":            "sslcert",
+		"PGSSLSNI":             "sslsni",
 		"PGSSLROOTCERT":        "sslrootcert",
 		"PGSSLPASSWORD":        "sslpassword",
 		"PGTARGETSESSIONATTRS": "target_session_attrs",
@@ -619,11 +621,15 @@ func configTLS(settings map[string]string, thisHost string, parseConfigOptions P
 	sslcert := settings["sslcert"]
 	sslkey := settings["sslkey"]
 	sslpassword := settings["sslpassword"]
+	sslsni := settings["sslsni"]
 
 	// Match libpq default behavior
 	if sslmode == "" {
 		sslmode = "prefer"
 	}
+	if sslsni == "" {
+		sslsni = "1"
+	}
 
 	tlsConfig := &tls.Config{}
 
@@ -756,6 +762,13 @@ func configTLS(settings map[string]string, thisHost string, parseConfigOptions P
 		tlsConfig.Certificates = []tls.Certificate{cert}
 	}
 
+	// Set Server Name Indication (SNI), if enabled by connection parameters.
+	// Per RFC 6066, do not set it if the host is a literal IP address (IPv4
+	// or IPv6).
+	if sslsni == "1" && net.ParseIP(host) == nil {
+		tlsConfig.ServerName = host
+	}
+
 	switch sslmode {
 	case "allow":
 		return []*tls.Config{nil, tlsConfig}, nil

vendor/github.com/jackc/pgconn/pgconn.go

@@ -128,19 +128,13 @@ func ConnectWithOptions(ctx context.Context, connString string, parseConfigOptio
 // authentication error will terminate the chain of attempts (like libpq:
 // https://www.postgresql.org/docs/11/libpq-connect.html#LIBPQ-MULTIPLE-HOSTS) and be returned as the error. Otherwise,
 // if all attempts fail the last error is returned.
-func ConnectConfig(ctx context.Context, config *Config) (pgConn *PgConn, err error) {
+func ConnectConfig(octx context.Context, config *Config) (pgConn *PgConn, err error) {
 	// Default values are set in ParseConfig. Enforce initial creation by ParseConfig rather than setting defaults from
 	// zero values.
 	if !config.createdByParseConfig {
 		panic("config must be created by ParseConfig")
 	}
 
-	// ConnectTimeout restricts the whole connection process.
-	if config.ConnectTimeout != 0 {
-		var cancel context.CancelFunc
-		ctx, cancel = context.WithTimeout(ctx, config.ConnectTimeout)
-		defer cancel()
-	}
 	// Simplify usage by treating primary config and fallbacks the same.
 	fallbackConfigs := []*FallbackConfig{
 		{
@@ -150,7 +144,7 @@ func ConnectConfig(ctx context.Context, config *Config) (pgConn *PgConn, err err
 		},
 	}
 	fallbackConfigs = append(fallbackConfigs, config.Fallbacks...)
-
+	ctx := octx
 	fallbackConfigs, err = expandWithIPs(ctx, config.LookupFunc, fallbackConfigs)
 	if err != nil {
 		return nil, &connectError{config: config, msg: "hostname resolving error", err: err}
@@ -163,6 +157,14 @@ func ConnectConfig(ctx context.Context, config *Config) (pgConn *PgConn, err err
 	foundBestServer := false
 	var fallbackConfig *FallbackConfig
 	for _, fc := range fallbackConfigs {
+		// ConnectTimeout restricts the whole connection process.
+		if config.ConnectTimeout != 0 {
+			var cancel context.CancelFunc
+			ctx, cancel = context.WithTimeout(octx, config.ConnectTimeout)
+			defer cancel()
+		} else {
+			ctx = octx
+		}
 		pgConn, err = connect(ctx, config, fc, false)
 		if err == nil {
 			foundBestServer = true
@@ -1252,8 +1254,11 @@ func (pgConn *PgConn) CopyFrom(ctx context.Context, r io.Reader, sql string) (Co
 	abortCopyChan := make(chan struct{})
 	copyErrChan := make(chan error, 1)
 	signalMessageChan := pgConn.signalMessage()
+	var wg sync.WaitGroup
+	wg.Add(1)
 
 	go func() {
+		defer wg.Done()
 		buf := make([]byte, 0, 65536)
 		buf = append(buf, 'd')
 		sp := len(buf)
@@ -1307,6 +1312,8 @@ func (pgConn *PgConn) CopyFrom(ctx context.Context, r io.Reader, sql string) (Co
 		}
 	}
 	close(abortCopyChan)
+	// Make sure io goroutine finishes before writing.
+	wg.Wait()
 
 	buf = buf[:0]
 	if copyErr == io.EOF || pgErr != nil {