fix: continue working with non UTC timezone

README.md

@@ -24,7 +24,7 @@ Main features are:
 
 Unsupported:
 
-- Server timezones other than UTC.
+- `DateTime64`
 
 Resources:
 

ch/chproto/server_info.go

@@ -1,9 +1,5 @@
 package chproto
 
-import (
-	"fmt"
-)
-
 type ServerInfo struct {
 	Name         string
 	MinorVersion uint64
@@ -25,18 +21,13 @@ func (srv *ServerInfo) ReadFrom(rd *Reader) (err error) {
 		return err
 	}
 
-	timezone, err := rd.String()
-	if err != nil {
+	if _, err := rd.String(); err != nil { // timezone
 		return err
 	}
-	if timezone != "UTC" {
-		return fmt.Errorf("ch: ClickHouse server uses timezone=%q, expected UTC", timezone)
-	}
-
-	if _, err = rd.String(); err != nil { // display name
+	if _, err := rd.String(); err != nil { // display name
 		return err
 	}
-	if _, err = rd.Uvarint(); err != nil { // server version patch
+	if _, err := rd.Uvarint(); err != nil { // server version patch
 		return err
 	}
 

ch/chschema/append.go

@@ -106,7 +106,10 @@ func AppendString(b []byte, s string) []byte {
 }
 
 func AppendTime(b []byte, tm time.Time) []byte {
-	return tm.UTC().AppendFormat(b, "'2006-01-02 15:04:05'")
+	b = append(b, "toDateTime('"...)
+	b = tm.UTC().AppendFormat(b, "2006-01-02 15:04:05")
+	b = append(b, "', 'UTC')"...)
+	return b
 }
 
 func AppendBytes(b []byte, bytes []byte) []byte {