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CTE will panic with tidb_max_chunk_size=32 in TiKV env #48808

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Defined2014 opened this issue Nov 22, 2023 · 1 comment · Fixed by #48839
Closed

CTE will panic with tidb_max_chunk_size=32 in TiKV env #48808

Defined2014 opened this issue Nov 22, 2023 · 1 comment · Fixed by #48839
Labels
affects-5.4 This bug affects the 5.4.x(LTS) versions. affects-6.0 affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.2 affects-6.3 affects-6.4 affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-6.6 affects-7.0 affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-7.2 affects-7.3 affects-7.4 affects-7.5 This bug affects the 7.5.x(LTS) versions. severity/major sig/execution SIG execution type/bug The issue is confirmed as a bug.

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@Defined2014
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Defined2014 commented Nov 22, 2023

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

set tidb_max_chunk_size=32;
drop table if exists t1;
create table t1(c1 int);
insert into t1 values(0), (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), (12), (13), (14), (15), (16), (17), (18), (19), (20), (21), (22), (23), (24), (25), (26), (27), (28), (29), (30), (31), (32), (33), (34), (35), (36), (37), (38), (39), (40), (41), (42), (43), (44), (45), (46), (47), (48), (49), (50), (51), (52), (53), (54), (55), (56), (57), (58), (59), (60), (61), (62), (63), (64), (65), (66), (67), (68), (69), (70), (71), (72), (73), (74), (75), (76), (77), (78), (79), (80), (81), (82), (83), (84), (85), (86), (87), (88), (89), (90), (91), (92), (93), (94), (95), (96), (97), (98), (99), (100), (101), (102), (103), (104), (105), (106), (107), (108), (109), (110), (111), (112), (113), (114), (115), (116), (117), (118), (119), (120), (121), (122), (123), (124), (125), (126), (127), (128), (129), (130), (131), (132), (133), (134), (135), (136), (137), (138), (139), (140), (141), (142), (143), (144), (145), (146), (147), (148), (149), (150), (151), (152), (153), (154), (155), (156), (157), (158), (159), (160), (161), (162), (163), (164), (165), (166), (167), (168), (169), (170), (171), (172), (173), (174), (175), (176), (177), (178), (179), (180), (181), (182), (183), (184), (185), (186), (187), (188), (189), (190), (191), (192), (193), (194), (195), (196), (197), (198), (199), (200), (201), (202), (203), (204), (205), (206), (207), (208), (209), (210), (211), (212), (213), (214), (215), (216), (217), (218), (219), (220), (221), (222), (223), (224), (225), (226), (227), (228), (229), (230), (231), (232), (233), (234), (235), (236), (237), (238), (239), (240), (241), (242), (243), (244), (245), (246), (247), (248), (249), (250), (251), (252), (253), (254), (255), (256), (257), (258), (259), (260), (261), (262), (263), (264), (265), (266), (267), (268), (269), (270), (271), (272), (273), (274), (275), (276), (277), (278), (279), (280), (281), (282), (283), (284), (285), (286), (287), (288), (289), (290), (291), (292), (293), (294), (295), (296), (297), (298), (299);
with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 1 offset 100) select * from cte1;

2. What did you expect to see? (Required)

no panic

3. What did you see instead (Required)

ERROR 1105 (HY000): runtime error: index out of range [32] with length 32

4. What is your TiDB version? (Required)

mysql> SELECT tidb_version();
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| tidb_version()                                                                                                                                                                                                                                                           |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Release Version: v7.6.0-alpha-257-g740cfb504e
Edition: Community
Git Commit Hash: 740cfb504ef5832aa3e5de8b4c7f8fd8a0ba916f
Git Branch: move-tests
UTC Build Time: 2023-11-22 09:35:31
GoVersion: go1.21.0
Race Enabled: false
Check Table Before Drop: false
Store: tikv |
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
@Defined2014
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We could remove

## Delete it when https://github.com/pingcap/tidb/issues/48808 merged
after fix this issue.

@guo-shaoge guo-shaoge added affects-5.4 This bug affects the 5.4.x(LTS) versions. affects-6.0 affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.2 affects-6.3 affects-6.4 affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-6.6 affects-7.0 affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-7.2 affects-7.3 and removed may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.4 This bug maybe affects 5.4.x versions. may-affects-6.1 may-affects-6.5 may-affects-7.1 may-affects-7.5 labels Nov 23, 2023
@guo-shaoge guo-shaoge added affects-7.4 affects-7.5 This bug affects the 7.5.x(LTS) versions. labels Nov 23, 2023
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Labels
affects-5.4 This bug affects the 5.4.x(LTS) versions. affects-6.0 affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.2 affects-6.3 affects-6.4 affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-6.6 affects-7.0 affects-7.1 This bug affects the 7.1.x(LTS) versions. affects-7.2 affects-7.3 affects-7.4 affects-7.5 This bug affects the 7.5.x(LTS) versions. severity/major sig/execution SIG execution type/bug The issue is confirmed as a bug.
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