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处理issue：执行层次查询，告警后挂库，产生core

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This commit is contained in:
lukeman
2024-08-03 14:50:48 +08:00
parent a80f25da1e
commit a498e1a80b
3 changed files with 50 additions and 2 deletions
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17
src/gausskernel/optimizer/plan/planstartwith.cpp
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@ -555,6 +555,16 @@ static char *CheckAndFixSiblingsColName(PlannerInfo *root, Plan *basePlan,
errmsg("expression with none-var in order siblings is not supported")));
}
foreach (lc, vars) {
Var* var = (Var *)lfirst(lc);
RangeTblEntry *rte = root->simple_rte_array[var->varno];
char *raw_cte_alias = (char *)strVal(list_nth(rte->eref->colnames, var->varattno - 1));
if (raw_cte_alias != NULL && IsPseudoReturnColumn(raw_cte_alias)) {
ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("Not support refer startwith Pseudo column in order siblings by.")));
}
}
/* do not support multi-column refs specified as order sibling's sort entry */
if (list_length(vars) > 1) {
ereport(WARNING, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
@ -565,7 +575,12 @@ static char *CheckAndFixSiblingsColName(PlannerInfo *root, Plan *basePlan,
RangeTblEntry *rte = root->simple_rte_array[var->varno];
char *raw_cte_alias = (char *)strVal(list_nth(rte->eref->colnames, var->varattno - 1));
resultColName = strrchr(raw_cte_alias, '@');
resultColName += 1; /* fix '@' offset */
if (resultColName != NULL) {
resultColName += 1; /* fix '@' offset */
} else {
ereport(ERROR, (errmodule(MOD_OPT_PLANNER),
errmsg("Invalid column name %s in order siblings is found.", raw_cte_alias)));
}
return resultColName;
}

17
src/test/regress/expected/sw_bugfix-2.out
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@ -2342,3 +2342,20 @@ explain select * from sw_tb_3 where exists (select * from sw_tb_1, sw_tb_2 where
drop table sw_tb_1;
drop table sw_tb_2;
drop table sw_tb_3;
-- test ORDER SIBLINGS BY clause which contains an expression or alias with a pseudocolumn
drop table if exists hier;
create table hier(parent varchar(30),child varchar(30));
insert into hier values(null,'Asia');
insert into hier values('Asia','China');
insert into hier values('Asia','Japan');
insert into hier values('Asia','ENGLAND');
insert into hier values('Asia','HONGKONG');
insert into hier values('China','BEIJING');
insert into hier values('China','SHANGHAI');
insert into hier values('China','AK47');
insert into hier values('China','天津');
select child, level, lpad(' ', level*3, ' ')||child c1 from hier start with parent is null connect by prior child = parent ORDER SIBLINGS BY c1;
ERROR: Not support refer startwith Pseudo column in order siblings by.
select child, level, lpad(' ', level*3, ' ')||child c1, level c2 from hier start with parent is null connect by prior child = parent ORDER SIBLINGS BY c2;
ERROR: Not support refer startwith Pseudo column in order siblings by.
drop table hier;

18
src/test/regress/sql/sw_bugfix-2.sql
View File

@ -865,4 +865,20 @@ explain select * from sw_tb_1,sw_tb_2 where (sw_tb_1.a+sw_tb_1.b=sw_tb_2.b or sw
explain select * from sw_tb_3 where exists (select * from sw_tb_1, sw_tb_2 where sw_tb_1.a + sw_tb_2.a = sw_tb_3.a connect by level < 2);
drop table sw_tb_1;
drop table sw_tb_2;
drop table sw_tb_3;
drop table sw_tb_3;
-- test ORDER SIBLINGS BY clause which contains an expression or alias with a pseudocolumn
drop table if exists hier;
create table hier(parent varchar(30),child varchar(30));
insert into hier values(null,'Asia');
insert into hier values('Asia','China');
insert into hier values('Asia','Japan');
insert into hier values('Asia','ENGLAND');
insert into hier values('Asia','HONGKONG');
insert into hier values('China','BEIJING');
insert into hier values('China','SHANGHAI');
insert into hier values('China','AK47');
insert into hier values('China','天津');
select child, level, lpad(' ', level*3, ' ')||child c1 from hier start with parent is null connect by prior child = parent ORDER SIBLINGS BY c1;
select child, level, lpad(' ', level*3, ' ')||child c1, level c2 from hier start with parent is null connect by prior child = parent ORDER SIBLINGS BY c2;
drop table hier;