.github/workflows/test.yml

@@ -15,9 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dominikh/staticcheck-action@v1.3.0
-        with:
-          version: "2023.1.6"
+      - uses: dominikh/staticcheck-action@v1.3.1
 
   list:
     runs-on: ubuntu-latest
@@ -31,10 +29,10 @@ jobs:
           import os
           go = [
               # Keep the most recent production release at the top
-              '1.22',
+              '1.23',
               # Older production releases
+              '1.22',
               '1.21',
-              '1.20',
           ]
           mysql = [
               '9.0',
@@ -85,7 +83,7 @@ jobs:
           my-cnf: |
             innodb_log_file_size=256MB
             innodb_buffer_pool_size=512MB
-            max_allowed_packet=16MB
+            max_allowed_packet=48MB
             ; TestConcurrent fails if max_connections is too large
             max_connections=50
             local_infile=1

AUTHORS

@@ -20,7 +20,11 @@ Andrew Reid <andrew.reid at tixtrack.com>
 Animesh Ray <mail.rayanimesh at gmail.com>
 Arne Hormann <arnehormann at gmail.com>
 Ariel Mashraki <ariel at mashraki.co.il>
+Artur Melanchyk <artur.melanchyk@gmail.com>
 Asta Xie <xiemengjun at gmail.com>
+B Lamarche <blam413 at gmail.com>
+Bes Dollma <bdollma@thousandeyes.com>
+Bogdan Constantinescu <bog.con.bc at gmail.com>
 Brian Hendriks <brian at dolthub.com>
 Bulat Gaifullin <gaifullinbf at gmail.com>
 Caine Jette <jette at alum.mit.edu>
@@ -51,6 +55,7 @@ ICHINOSE Shogo <shogo82148 at gmail.com>
 Ilia Cimpoes <ichimpoesh at gmail.com>
 INADA Naoki <songofacandy at gmail.com>
 Jacek Szwec <szwec.jacek at gmail.com>
+Jakub Adamus <kratky at zobak.cz>
 James Harr <james.harr at gmail.com>
 Janek Vedock <janekvedock at comcast.net>
 Jason Ng <oblitorum at gmail.com>
@@ -61,6 +66,7 @@ Jennifer Purevsuren <jennifer at dolthub.com>
 Jerome Meyer <jxmeyer at gmail.com>
 Jiajia Zhong <zhong2plus at gmail.com>
 Jian Zhen <zhenjl at gmail.com>
+Joe Mann <contact at joemann.co.uk>
 Joshua Prunier <joshua.prunier at gmail.com>
 Julien Lefevre <julien.lefevr at gmail.com>
 Julien Schmidt <go-sql-driver at julienschmidt.com>
@@ -91,6 +97,7 @@ Paul Bonser <misterpib at gmail.com>
 Paulius Lozys <pauliuslozys at gmail.com>
 Peter Schultz <peter.schultz at classmarkets.com>
 Phil Porada <philporada at gmail.com>
+Minh Quang <minhquang4334 at gmail.com>
 Rebecca Chin <rchin at pivotal.io>
 Reed Allman <rdallman10 at gmail.com>
 Richard Wilkes <wilkes at me.com>
@@ -141,4 +148,5 @@ PingCAP Inc.
 Pivotal Inc.
 Shattered Silicon Ltd.
 Stripe Inc.
+ThousandEyes
 Zendesk Inc.

CHANGELOG.md

@@ -1,3 +1,39 @@
+# Changelog
+
+## v1.9.1 (2025-03-21)
+
+### Major Changes
+
+* Add Charset() option. (#1679)
+
+### Bugfixes
+
+* go.mod: fix go version format (#1682)
+* Fix FormatDSN missing ConnectionAttributes (#1619)
+
+## v1.9.0 (2025-02-18)
+
+### Major Changes
+
+- Implement zlib compression. (#1487)
+- Supported Go version is updated to Go 1.21+. (#1639)
+- Add support for VECTOR type introduced in MySQL 9.0. (#1609)
+- Config object can have custom dial function. (#1527)
+
+### Bugfixes
+
+- Fix auth errors when username/password are too long. (#1625)
+- Check if MySQL supports CLIENT_CONNECT_ATTRS before sending client attributes. (#1640)
+- Fix auth switch request handling. (#1666)
+
+### Other changes
+
+- Add "filename:line" prefix to log in go-mysql. Custom loggers now show it. (#1589)
+- Improve error handling. It reduces the "busy buffer" errors. (#1595, #1601, #1641)
+- Use `strconv.Atoi` to parse max_allowed_packet. (#1661)
+- `rejectReadOnly` option now handles ER_READ_ONLY_MODE (1290) error too. (#1660)
+
+
 ## Version 1.8.1 (2024-03-26)
 
 Bugfixes:

README.md

@@ -38,10 +38,11 @@ A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) pac
   * Secure `LOAD DATA LOCAL INFILE` support with file allowlisting and `io.Reader` support
   * Optional `time.Time` parsing
   * Optional placeholder interpolation
+  * Supports zlib compression.
 
 ## Requirements
 
-* Go 1.20 or higher. We aim to support the 3 latest versions of Go.
+* Go 1.21 or higher. We aim to support the 3 latest versions of Go.
 * MySQL (5.7+) and MariaDB (10.5+) are supported.
 * [TiDB](https://github.com/pingcap/tidb) is supported by PingCAP.
   * Do not ask questions about TiDB in our issue tracker or forum.
@@ -267,6 +268,16 @@ SELECT u.id FROM users as u
 
 will return `u.id` instead of just `id` if `columnsWithAlias=true`.
 
+##### `compress`
+
+```
+Type:           bool
+Valid Values:   true, false
+Default:        false
+```
+
+Toggles zlib compression. false by default.
+
 ##### `interpolateParams`
 
 ```

auth_test.go

@@ -734,9 +734,9 @@ func TestAuthSwitchCachingSHA256PasswordCached(t *testing.T) {
 
 	expectedReply := []byte{
 		// 1. Packet: Hash
-		32, 0, 0, 3, 129, 93, 132, 95, 114, 48, 79, 215, 128, 62, 193, 118, 128,
-		54, 75, 208, 159, 252, 227, 215, 129, 15, 242, 97, 19, 159, 31, 20, 58,
-		153, 9, 130,
+		32, 0, 0, 3, 219, 72, 64, 97, 56, 197, 167, 203, 64, 236, 168, 80, 223,
+		56, 103, 217, 196, 176, 124, 60, 253, 41, 195, 10, 205, 190, 177, 206, 63,
+		118, 211, 69,
 	}
 	if !bytes.Equal(conn.written, expectedReply) {
 		t.Errorf("got unexpected data: %v", conn.written)
@@ -803,9 +803,9 @@ func TestAuthSwitchCachingSHA256PasswordFullRSA(t *testing.T) {
 
 	expectedReplyPrefix := []byte{
 		// 1. Packet: Hash
-		32, 0, 0, 3, 129, 93, 132, 95, 114, 48, 79, 215, 128, 62, 193, 118, 128,
-		54, 75, 208, 159, 252, 227, 215, 129, 15, 242, 97, 19, 159, 31, 20, 58,
-		153, 9, 130,
+		32, 0, 0, 3, 219, 72, 64, 97, 56, 197, 167, 203, 64, 236, 168, 80, 223,
+		56, 103, 217, 196, 176, 124, 60, 253, 41, 195, 10, 205, 190, 177, 206, 63,
+		118, 211, 69,
 
 		// 2. Packet: Pub Key Request
 		1, 0, 0, 5, 2,
@@ -848,9 +848,9 @@ func TestAuthSwitchCachingSHA256PasswordFullRSAWithKey(t *testing.T) {
 
 	expectedReplyPrefix := []byte{
 		// 1. Packet: Hash
-		32, 0, 0, 3, 129, 93, 132, 95, 114, 48, 79, 215, 128, 62, 193, 118, 128,
-		54, 75, 208, 159, 252, 227, 215, 129, 15, 242, 97, 19, 159, 31, 20, 58,
-		153, 9, 130,
+		32, 0, 0, 3, 219, 72, 64, 97, 56, 197, 167, 203, 64, 236, 168, 80, 223,
+		56, 103, 217, 196, 176, 124, 60, 253, 41, 195, 10, 205, 190, 177, 206, 63,
+		118, 211, 69,
 
 		// 2. Packet: Encrypted Password
 		0, 1, 0, 5, // [changing bytes]
@@ -891,9 +891,9 @@ func TestAuthSwitchCachingSHA256PasswordFullSecure(t *testing.T) {
 
 	expectedReply := []byte{
 		// 1. Packet: Hash
-		32, 0, 0, 3, 129, 93, 132, 95, 114, 48, 79, 215, 128, 62, 193, 118, 128,
-		54, 75, 208, 159, 252, 227, 215, 129, 15, 242, 97, 19, 159, 31, 20, 58,
-		153, 9, 130,
+		32, 0, 0, 3, 219, 72, 64, 97, 56, 197, 167, 203, 64, 236, 168, 80, 223,
+		56, 103, 217, 196, 176, 124, 60, 253, 41, 195, 10, 205, 190, 177, 206, 63,
+		118, 211, 69,
 
 		// 2. Packet: Cleartext password
 		7, 0, 0, 5, 115, 101, 99, 114, 101, 116, 0,

benchmark_test.go

@@ -46,9 +46,13 @@ func (tb *TB) checkStmt(stmt *sql.Stmt, err error) *sql.Stmt {
 	return stmt
 }
 
-func initDB(b *testing.B, queries ...string) *sql.DB {
+func initDB(b *testing.B, useCompression bool, queries ...string) *sql.DB {
 	tb := (*TB)(b)
-	db := tb.checkDB(sql.Open(driverNameTest, dsn))
+	comprStr := ""
+	if useCompression {
+		comprStr = "&compress=1"
+	}
+	db := tb.checkDB(sql.Open(driverNameTest, dsn+comprStr))
 	for _, query := range queries {
 		if _, err := db.Exec(query); err != nil {
 			b.Fatalf("error on %q: %v", query, err)
@@ -60,10 +64,18 @@ func initDB(b *testing.B, queries ...string) *sql.DB {
 const concurrencyLevel = 10
 
 func BenchmarkQuery(b *testing.B) {
+	benchmarkQueryHelper(b, false)
+}
+
+func BenchmarkQueryCompression(b *testing.B) {
+	benchmarkQueryHelper(b, true)
+}
+
+func benchmarkQueryHelper(b *testing.B, compr bool) {
 	tb := (*TB)(b)
 	b.StopTimer()
 	b.ReportAllocs()
-	db := initDB(b,
+	db := initDB(b, compr,
 		"DROP TABLE IF EXISTS foo",
 		"CREATE TABLE foo (id INT PRIMARY KEY, val CHAR(50))",
 		`INSERT INTO foo VALUES (1, "one")`,
@@ -222,7 +234,7 @@ func BenchmarkInterpolation(b *testing.B) {
 		},
 		maxAllowedPacket: maxPacketSize,
 		maxWriteSize:     maxPacketSize - 1,
-		buf:              newBuffer(nil),
+		buf:              newBuffer(),
 	}
 
 	args := []driver.Value{
@@ -269,7 +281,7 @@ func benchmarkQueryContext(b *testing.B, db *sql.DB, p int) {
 }
 
 func BenchmarkQueryContext(b *testing.B) {
-	db := initDB(b,
+	db := initDB(b, false,
 		"DROP TABLE IF EXISTS foo",
 		"CREATE TABLE foo (id INT PRIMARY KEY, val CHAR(50))",
 		`INSERT INTO foo VALUES (1, "one")`,
@@ -305,7 +317,7 @@ func benchmarkExecContext(b *testing.B, db *sql.DB, p int) {
 }
 
 func BenchmarkExecContext(b *testing.B) {
-	db := initDB(b,
+	db := initDB(b, false,
 		"DROP TABLE IF EXISTS foo",
 		"CREATE TABLE foo (id INT PRIMARY KEY, val CHAR(50))",
 		`INSERT INTO foo VALUES (1, "one")`,
@@ -323,7 +335,7 @@ func BenchmarkExecContext(b *testing.B) {
 // "size=" means size of each blobs.
 func BenchmarkQueryRawBytes(b *testing.B) {
 	var sizes []int = []int{100, 1000, 2000, 4000, 8000, 12000, 16000, 32000, 64000, 256000}
-	db := initDB(b,
+	db := initDB(b, false,
 		"DROP TABLE IF EXISTS bench_rawbytes",
 		"CREATE TABLE bench_rawbytes (id INT PRIMARY KEY, val LONGBLOB)",
 	)
@@ -376,7 +388,7 @@ func BenchmarkQueryRawBytes(b *testing.B) {
 // BenchmarkReceiveMassiveRows measures performance of receiving large number of rows.
 func BenchmarkReceiveMassiveRows(b *testing.B) {
 	// Setup -- prepare 10000 rows.
-	db := initDB(b,
+	db := initDB(b, false,
 		"DROP TABLE IF EXISTS foo",
 		"CREATE TABLE foo (id INT PRIMARY KEY, val TEXT)")
 	defer db.Close()