parser: add SHOW RAW IMPORT JOB(S) (pingcap#67521)

ref pingcap#66461

Author: GMHDBJD

pkg/parser/ast/dml.go

@@ -3205,7 +3205,8 @@ type ShowStmt struct {
 
 	ShowGroupKey string // Used for `SHOW IMPORT GROUP <GROUP_KEY>` syntax
 
-	ImportJobID *int64 // Used for `SHOW IMPORT JOB <ID>` syntax
+	ImportJobID  *int64 // Used for `SHOW IMPORT JOB <ID>` syntax
+	ImportJobRaw bool   // Used for `SHOW RAW IMPORT JOB(S)` syntax
 
 	DistributionJobID *int64 // Used for `SHOW DISTRIBUTION JOB <ID>` syntax
 }
@@ -3430,6 +3431,9 @@ func (n *ShowStmt) Restore(ctx *format.RestoreCtx) error {
 		ctx.WriteKeyWord(" PARTITION ")
 		ctx.WriteName(n.Partition.String())
 	case ShowImportJobs:
+		if n.ImportJobRaw {
+			ctx.WriteKeyWord("RAW ")
+		}
 		if n.ImportJobID != nil {
 			ctx.WriteKeyWord("IMPORT JOB ")
 			ctx.WritePlainf("%d", *n.ImportJobID)

pkg/parser/ast/dml_test.go

@@ -527,6 +527,18 @@ func TestImportActions(t *testing.T) {
 			sourceSQL: "show import job 123",
 			expectSQL: "SHOW IMPORT JOB 123",
 		},
+		{
+			sourceSQL: "show raw import jobs",
+			expectSQL: "SHOW RAW IMPORT JOBS",
+		},
+		{
+			sourceSQL: "show raw import job 123",
+			expectSQL: "SHOW RAW IMPORT JOB 123",
+		},
+		{
+			sourceSQL: "show raw import jobs where group_key = 'g'",
+			expectSQL: "SHOW RAW IMPORT JOBS WHERE `group_key`=_UTF8MB4'g'",
+		},
 		{
 			sourceSQL: "show import jobs where aa > 1",
 			expectSQL: "SHOW IMPORT JOBS WHERE `aa`>1",

pkg/parser/keywords.go

@@ -36,7 +36,7 @@ func TestKeywords(t *testing.T) {
 }
 
 func TestKeywordsLength(t *testing.T) {
-	require.Equal(t, 678, len(parser.Keywords))
+	require.Equal(t, 679, len(parser.Keywords))
 
 	reservedNr := 0
 	for _, kw := range parser.Keywords {

pkg/parser/keywords_test.go

@@ -668,6 +668,7 @@ var tokenMap = map[string]int{
 	"QUICK":                          quick,
 	"RANGE":                          rangeKwd,
 	"RATE_LIMIT":                     rateLimit,
+	"RAW":                            raw,
 	"READ":                           read,
 	"READ_ONLY":                      readOnly,
 	"REAL":                           realType,