server: make field types for blob types match mysql (#60196) (#62281)

ti-chi-bot · web-flow · commit 7294dfbfdace · 2025-07-10T09:27:03.000Z
close #60195
diff --git a/pkg/server/internal/column/column.go b/pkg/server/internal/column/column.go
@@ -140,6 +140,8 @@ func dumpType(tp byte) byte {
 	case mysql.TypeTiDBVectorFloat32:
 		// When passing Vector column to the SQL Client, pretend to be a non-binary String.
 		return mysql.TypeLongBlob
+	case mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob:
+		return mysql.TypeBlob
 	default:
 		return tp
 	}

Original file line number	Diff line number	Diff line change
`@@ -140,6 +140,8 @@ func dumpType(tp byte) byte {`
`140`	`140`	`case mysql.TypeTiDBVectorFloat32:`
`141`	`141`	`// When passing Vector column to the SQL Client, pretend to be a non-binary String.`
`142`	`142`	`return mysql.TypeLongBlob`
	`143`	`+ case mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob:`
	`144`	`+ return mysql.TypeBlob`
`143`	`145`	`default:`
`144`	`146`	`return tp`
`145`	`147`	`}`