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Support MySQL vector type #1004

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Merged
merged 2 commits into from
Mar 6, 2025
Merged

Support MySQL vector type #1004

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3efeb08
Support MySQL vector type
serprex Feb 28, 2025
a9fc052
Merge branch 'master' into vector
lance6716 Mar 6, 2025
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2 changes: 2 additions & 0 deletions mysql/const.go
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,8 @@ const (
MYSQL_TYPE_TIME2
)

const MYSQL_TYPE_VECTOR = 0xf2

const (
MYSQL_TYPE_JSON byte = iota + 0xf5
MYSQL_TYPE_NEWDECIMAL
Expand Down
8 changes: 4 additions & 4 deletions mysql/rowdata.go
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Expand Up @@ -173,10 +173,10 @@ func (p RowData) ParseBinary(f []*Field, dst []FieldValue) ([]FieldValue, error)
pos += 8
continue

case MYSQL_TYPE_DECIMAL, MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
MYSQL_TYPE_BIT, MYSQL_TYPE_ENUM, MYSQL_TYPE_SET, MYSQL_TYPE_TINY_BLOB,
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_BLOB,
MYSQL_TYPE_VAR_STRING, MYSQL_TYPE_STRING, MYSQL_TYPE_GEOMETRY, MYSQL_TYPE_JSON:
case MYSQL_TYPE_DECIMAL, MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR, MYSQL_TYPE_BIT,
MYSQL_TYPE_ENUM, MYSQL_TYPE_SET, MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_MEDIUM_BLOB,
MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_BLOB, MYSQL_TYPE_VAR_STRING, MYSQL_TYPE_STRING,
MYSQL_TYPE_VECTOR, MYSQL_TYPE_GEOMETRY, MYSQL_TYPE_JSON:
v, isNull, n, err = LengthEncodedString(p[pos:])
pos += n
if err != nil {
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1 change: 1 addition & 0 deletions notes/field_type.md
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Expand Up @@ -63,6 +63,7 @@ Here is a list collected from `mysql-8.0/sql/field.h`:
| | | +--Field_varstring | MYSQL_TYPE_VARCHAR | MYSQL_TYPE_VARCHAR | |
| | | +--Field_blob | MYSQL_TYPE_BLOB | | |
| | | +--Field_geom | MYSQL_TYPE_GEOMETRY | | |
| | | +--Field_vector | MYSQL_TYPE_VECTOR | | |
| | | +--Field_json | MYSQL_TYPE_JSON | | |
| | | +--Field_typed_array | real_type_to_type(m_elt_type) | m_elt_type | MYSQL_TYPE_TYPED_ARRAY |
| | | | | | |
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5 changes: 5 additions & 0 deletions replication/row_event.go
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Expand Up @@ -181,6 +181,7 @@ func bitmapByteSize(columnCount int) int {
MYSQL_TYPE_DOUBLE
MYSQL_TYPE_BLOB
MYSQL_TYPE_GEOMETRY
MYSQL_TYPE_VECTOR

//maybe
MYSQL_TYPE_TIME2
Expand Down Expand Up @@ -226,6 +227,7 @@ func (e *TableMapEvent) decodeMeta(data []byte) error {
mysql.MYSQL_TYPE_DOUBLE,
mysql.MYSQL_TYPE_FLOAT,
mysql.MYSQL_TYPE_GEOMETRY,
mysql.MYSQL_TYPE_VECTOR,
mysql.MYSQL_TYPE_JSON:
e.ColumnMeta[i] = uint16(data[pos])
pos++
Expand Down Expand Up @@ -891,6 +893,7 @@ const RowsEventStmtEndFlag = 0x01
// - mysql.MYSQL_TYPE_STRING: string
// - mysql.MYSQL_TYPE_JSON: []byte / *replication.JsonDiff
// - mysql.MYSQL_TYPE_GEOMETRY: []byte
// - mysql.MYSQL_TYPE_VECTOR: []byte
type RowsEvent struct {
// 0, 1, 2
Version int
Expand Down Expand Up @@ -1407,6 +1410,8 @@ func (e *RowsEvent) decodeValue(data []byte, tp byte, meta uint16, isPartial boo
// I also find some go libs to handle WKB if possible
// see https://github.com/twpayne/go-geom or https://github.com/paulmach/go.geo
v, n, err = decodeBlob(data, meta)
case mysql.MYSQL_TYPE_VECTOR:
v, n, err = decodeBlob(data, meta)
default:
err = fmt.Errorf("unsupport type %d in binlog and don't know how to handle", tp)
}
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8 changes: 4 additions & 4 deletions server/stmt.go
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Expand Up @@ -276,10 +276,10 @@ func (c *Conn) bindStmtArgs(s *Stmt, nullBitmap, paramTypes, paramValues []byte)
pos += 8
continue

case mysql.MYSQL_TYPE_DECIMAL, mysql.MYSQL_TYPE_NEWDECIMAL, mysql.MYSQL_TYPE_VARCHAR,
mysql.MYSQL_TYPE_BIT, mysql.MYSQL_TYPE_ENUM, mysql.MYSQL_TYPE_SET, mysql.MYSQL_TYPE_TINY_BLOB,
mysql.MYSQL_TYPE_MEDIUM_BLOB, mysql.MYSQL_TYPE_LONG_BLOB, mysql.MYSQL_TYPE_BLOB,
mysql.MYSQL_TYPE_VAR_STRING, mysql.MYSQL_TYPE_STRING, mysql.MYSQL_TYPE_GEOMETRY,
case mysql.MYSQL_TYPE_DECIMAL, mysql.MYSQL_TYPE_NEWDECIMAL, mysql.MYSQL_TYPE_VARCHAR, mysql.MYSQL_TYPE_BIT,
mysql.MYSQL_TYPE_ENUM, mysql.MYSQL_TYPE_SET, mysql.MYSQL_TYPE_TINY_BLOB, mysql.MYSQL_TYPE_MEDIUM_BLOB,
mysql.MYSQL_TYPE_LONG_BLOB, mysql.MYSQL_TYPE_BLOB, mysql.MYSQL_TYPE_VAR_STRING, mysql.MYSQL_TYPE_STRING,
mysql.MYSQL_TYPE_GEOMETRY, mysql.MYSQL_TYPE_VECTOR,
mysql.MYSQL_TYPE_DATE, mysql.MYSQL_TYPE_NEWDATE,
mysql.MYSQL_TYPE_TIMESTAMP, mysql.MYSQL_TYPE_DATETIME, mysql.MYSQL_TYPE_TIME:
if len(paramValues) < (pos + 1) {
Expand Down
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