ddl,tables: only write the index when it meets partial index condition (#62762)

br/tests/br_partial_index/run.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+#
+# Copyright 2025 PingCAP, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eu
+DB="$TEST_NAME"
+
+run_sql "CREATE DATABASE $DB;"
+
+run_sql "
+USE $DB;
+
+CREATE TABLE t0 (
+    id int primary key,
+    col1 int,
+    col2 int,
+    key idx_col1 (col1) where col2 > 10
+);
+INSERT INTO t0 VALUES (1, 1, 1);
+INSERT INTO t0 VALUES (2, 2, 15);
+INSERT INTO t0 VALUES (3, 3, 1);
+INSERT INTO t0 VALUES (4, 4, 20);
+INSERT INTO t0 VALUES (5, 5, 1);
+"
+
+# backup table
+echo "backup start..."
+run_br --pd $PD_ADDR backup db -s "local://$TEST_DIR/$DB" --db $DB
+
+run_sql "DROP DATABASE $DB;"
+run_sql "CREATE DATABASE $DB;"
+
+# restore table
+echo "restore start..."
+run_br restore db --db $DB -s "local://$TEST_DIR/$DB" --pd $PD_ADDR
+
+if run_sql "admin check table ${DB}.t0;" | grep -q 'inconsistency'; then
+    echo "TEST: [$TEST_NAME] failed after restoring $DB.t0"
+    exit 1
+fi
+
+run_sql "show create table $DB.t0;"
+check_contains "WHERE \`col2\` > 10"
+
+run_sql "DROP DATABASE $DB;"

br/tests/run_group_br_tests.sh

@@ -27,8 +27,13 @@ groups=(
 	["G04"]='br_range br_replica_read br_restore_TDE_enable br_restore_log_task_enable br_s3 br_shuffle_leader br_shuffle_region br_single_table br_region_rule br_merge_option_attributes'
 	["G05"]='br_skip_checksum br_split_region_fail br_systables br_table_filter br_txn br_stats br_clustered_index br_crypter br_partition_add_index br_pitr_log_restore_backup_compatibility'
 	["G06"]='br_tikv_outage br_tikv_outage3 br_restore_checkpoint br_encryption br_pitr_online_table_filter'
+<<<<<<< HEAD
 	["G07"]='br_pitr br_restore_physical br_blocklist'
 	["G08"]='br_tikv_outage2 br_ttl br_views_and_sequences br_z_gc_safepoint br_autorandom br_file_corruption br_tiflash_conflict br_pitr_table_filter'
+=======
+	["G07"]='br_pitr br_restore_physical'
+	["G08"]='br_tikv_outage2 br_ttl br_views_and_sequences br_z_gc_safepoint br_autorandom br_file_corruption br_tiflash_conflict br_pitr_table_filter br_partial_index'
+>>>>>>> 8c2781681a4 (ddl,tables: only write the index when it meets partial index condition (#62762))
 )
 
 # Get other cases not in groups, to avoid missing any case

errors.toml

@@ -1601,6 +1601,11 @@ error = '''
 Invalid AFFINITY %s
 '''
 
+["ddl:8272"]
+error = '''
+Cannot drop, change or modify column '%s': it is referenced in partial index '%s'
+'''
+
 ["ddl:9014"]
 error = '''
 TiFlash backfill index failed: %s