lightning: raise field length of checkpoint (pingcap#51460)

close pingcap#50711

Author: lance6716

br/pkg/lightning/checkpoints/checkpoints.go

@@ -71,7 +71,7 @@ const WholeTableEngineID = math.MaxInt32
 // remember to increase the version number in case of incompatible change.
 const (
 	CheckpointTableNameTask   = "task_v2"
-	CheckpointTableNameTable  = "table_v8"
+	CheckpointTableNameTable  = "table_v9"
 	CheckpointTableNameEngine = "engine_v5"
 	CheckpointTableNameChunk  = "chunk_v5"
 )
@@ -107,7 +107,7 @@ const (
 			status tinyint unsigned DEFAULT 30,
 			alloc_base bigint NOT NULL DEFAULT 0,
 			table_id bigint NOT NULL DEFAULT 0,
-		    table_info text NOT NULL,
+		    table_info longtext NOT NULL,
 			create_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
 			update_time timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
 			kv_bytes bigint unsigned NOT NULL DEFAULT 0,

br/tests/lightning_checkpoint/run.sh

@@ -89,7 +89,7 @@ echo "******** Verify checkpoint no-op ********"
 run_lightning -d "$DBPATH" --enable-checkpoint=1
 run_sql "$PARTIAL_IMPORT_QUERY"
 check_contains "s: $(( (1000 * $CHUNK_COUNT + 1001) * $CHUNK_COUNT * $TABLE_COUNT ))"
-run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cppk`.table_v8 WHERE status >= 200'
+run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cppk`.table_v9 WHERE status >= 200'
 check_contains "count(*): $TABLE_COUNT"
 
 # Start importing the tables.
@@ -113,5 +113,5 @@ echo "******** Verify checkpoint no-op ********"
 run_lightning -d "$DBPATH" --enable-checkpoint=1
 run_sql "$PARTIAL_IMPORT_QUERY"
 check_contains "s: $(( (1000 * $CHUNK_COUNT + 1001) * $CHUNK_COUNT * $TABLE_COUNT ))"
-run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cppk`.table_v8 WHERE status >= 200'
+run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cppk`.table_v9 WHERE status >= 200'
 check_contains "count(*): $TABLE_COUNT"

br/tests/lightning_checkpoint_chunks/run.sh

@@ -34,7 +34,7 @@ verify_checkpoint_noop() {
     run_sql 'SELECT count(i), sum(i) FROM cpch_tsr.tbl;'
     check_contains "count(i): $(($ROW_COUNT*$CHUNK_COUNT))"
     check_contains "sum(i): $(( $ROW_COUNT*$CHUNK_COUNT*(($CHUNK_COUNT+2)*$ROW_COUNT + 1)/2 ))"
-    run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cpch.1234567890.bak`.table_v8 WHERE status >= 200'
+    run_sql 'SELECT count(*) FROM `tidb_lightning_checkpoint_test_cpch.1234567890.bak`.table_v9 WHERE status >= 200'
     check_contains "count(*): 1"
 }