ticdc: add vector type in output protocol (#20767)

Author: wk989898

ticdc/ticdc-avro-protocol.md

@@ -205,6 +205,7 @@ If one column can be NULL, the Column data format can be:
 | ENUM       | ENUM      | string    |  -                                                                                                                         |
 | SET        | SET       | string    |  -                                                                                                                         |
 | DECIMAL    | DECIMAL   | bytes     | When `avro-decimal-handling-mode` is string, AVRO_TYPE is string.                                                         |
+| TiDBVECTORFloat32 | TiDBVECTORFloat32 | string | - |
 
 In the Avro protocol, two other `sink-uri` parameters might affect the Column data format as well: `avro-decimal-handling-mode` and `avro-bigint-unsigned-handling-mode`.
 

ticdc/ticdc-canal-json.md

@@ -213,6 +213,7 @@ In the `sqlType` field, the Canal-JSON format records Java SQL Type of each colu
 | Set        | -7                 |
 | Bit        | -7                 |
 | JSON       | 12                 |
+| TiDBVectorFloat32 | 12          |
 
 ## Integer types
 

ticdc/ticdc-csv.md

@@ -102,3 +102,4 @@ When `include-commit-ts = true` and `output-old-value = true`, the DML events of
 | `DECIMAL`                                             | String   | `"129012.1230000"`             | -                                      |
 | `ENUM`                                                | String   | `"a"`                          | -                                     |
 | `SET`                                                 | String   | `"a,b"`                        | -                                     |
+| `TiDBVectorFloat32`                                   | String   | `"[1.23, -0.4]"`               | -                                     |

ticdc/ticdc-open-protocol.md

@@ -308,6 +308,7 @@ Currently, TiCDC does not provide the standard parsing library for TiCDC Open Pr
 | LONGTEXT/LONGBLOB     | 251  | {"t":251,"v":"5rWL6K+VdGV4dA=="} | The value is encoded in Base64. |
 | TEXT/BLOB             | 252  | {"t":252,"v":"5rWL6K+VdGV4dA=="} | The value is encoded in Base64. |
 | CHAR/BINARY           | 254  | {"t":254,"v":"test"} / {"t":254,"v":"\\\\x89PNG\\\\r\\\\n\\\\x1a\\\\n"} | The value is encoded in UTF-8. When the upstream type is BINARY, invisible characters are escaped. |
+| TiDBVectorFloat32              | 225  | {"t":225,"v":"[1.23, -0.4]"} |  |
 | GEOMETRY              | 255  |  | Unsupported |
 
 ## DDL Type Code

ticdc/ticdc-simple-protocol.md

@@ -708,6 +708,7 @@ The following table describes the value range of the `mysqlType` field in the Ti
 | bit | / | uint64 | long |
 | json | / | string | string |
 | bool | / | int64 | long |
+| TiDBVectorFloat32 | / | string | string |
 
 ### Avro schema definition