Support MySQL vector type

[serprex]

No description provided.

[serprex]

I've verified this works on peerdb, would be good to get tests, but that's blocked on using a more recent version of mysql in unit tests. Would like to look into widening CI separately

[dveeden]

With MySQL 9.1.0:

reset binary logs and gtids;
create table t1 (id int primary key auto_increment, v vector);
insert into t1(v) values (STRING_TO_VECTOR("[1.05, -17.8, 32]"));

Without this PR:

Get event error: Header &replication.EventHeader{Timestamp:0x67c85160, EventType:0x1e, ServerID:0x1, EventSize:0x38, LogPos:0x2e4, Flags:0x0}, Data "\x81\x02\x00\x00\x00\x00\x01\x00\x02\x00\x02\xff\x00\x01\x00\x00\x00\f\x00\x00\x00ff\x86?ff\x8e\xc1\x00\x00\x00B", Err: unsupport type 242 in binlog and don't know how to handle
github.com/pingcap/errors.AddStack
	/home/dvaneeden/go/pkg/mod/github.com/pingcap/[email protected]/errors.go:174
github.com/pingcap/errors.Trace
	/home/dvaneeden/go/pkg/mod/github.com/pingcap/[email protected]/juju_adaptor.go:15
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).parseEvent
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:843
github.com/go-mysql-org/go-mysql/replication.(*BinlogSyncer).onStream
	/home/dvaneeden/dev/go-mysql/replication/binlogsyncer.go:796
runtime.goexit
	/usr/local/go/src/runtime/asm_amd64.s:1700

With this PR:

=== TableMapEvent ===
Date: 2025-03-05 14:28:00
Log position: 684
Event size: 58
TableID: 641
TableID size: 6
Flags: 1
Schema: test
Table: t1
Column count: 2
Column type: 
00000000  03 f2                                             |..|
NULL bitmap: 
00000000  02                                                |.|
Signedness bitmap: 
00000000  00                                                |.|
Default charset: [63]
Column charset: []
Set str value: []
Enum str value: []
Column name: []
Geometry type: []
Primary key: []
Primary key prefix: []
Enum/set default charset: []
Enum/set column charset: []
Invisible Column bitmap: 
UnsignedMap: map[int]bool{0:false}
CollationMap: map[int]uint64{}
EnumSetCollationMap: map[int]uint64(nil)
EnumStrValueMap: map[int][]string(nil)
SetStrValueMap: map[int][]string(nil)
GeometryTypeMap: map[int]uint64(nil)
VisibilityMap: map[int]bool(nil)
Columns: 
  <n/a>  type=3    unsigned=no   null=no 
  <n/a>  type=242  null=yes

=== WriteRowsEventV2 ===
Date: 2025-03-05 14:28:00
Log position: 740
Event size: 56
TableID: 641
Flags: 1
Column count: 2
NDB data: 
Values:
--
0:1
1:"ff\x86?ff\x8e\xc1\x00\x00\x00B"

=== XIDEvent ===
Date: 2025-03-05 14:28:00
Log position: 771
Event size: 31
XID: 5772

[lance6716]

I've verified this works on peerdb, would be good to get tests, but that's blocked on using a more recent version of mysql in unit tests. Would like to look into widening CI separately

we can create an issue in this repo tp enhance CI coverage on different MySQL distro or versions. I agree that we can fix it later.