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clarify the message when filesort is aborted by LIMIT ROWS EXAMINED

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Sergei Golubchik 2024-12-28 20:16:22 +01:00
parent 9508a44c37
commit 3bf8b60caf
3 changed files with 4 additions and 4 deletions
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2
mysql-test/main/information_schema.result
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@ -2240,7 +2240,7 @@ drop database dummy;
USE test; USE test;
CREATE VIEW v AS SELECT table_schema AS object_schema, table_name AS object_name, table_type AS object_type FROM information_schema.tables ORDER BY object_schema; CREATE VIEW v AS SELECT table_schema AS object_schema, table_name AS object_name, table_type AS object_type FROM information_schema.tables ORDER BY object_schema;
SELECT * FROM v LIMIT ROWS EXAMINED 9; SELECT * FROM v LIMIT ROWS EXAMINED 9;
ERROR HY000: Sort aborted: ERROR HY000: Sort aborted: LIMIT ROWS EXAMINED
DROP VIEW v; DROP VIEW v;
# #
# MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset # MDEV-23408 Wrong result upon query from I_S and further Assertion `!alias_arg || strlen(alias_arg->str) == alias_arg->length' failed with certain connection charset

4
mysql-test/main/limit_rows_examined.result
View file

@ -608,7 +608,7 @@ select c1, c2 from t3 order by c2, c1 LIMIT ROWS EXAMINED 2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 5 Using filesort 1 SIMPLE t3 ALL NULL NULL NULL NULL 5 Using filesort
select c1, c2 from t3 order by c2, c1 LIMIT ROWS EXAMINED 2; select c1, c2 from t3 order by c2, c1 LIMIT ROWS EXAMINED 2;
ERROR HY000: Sort aborted: ERROR HY000: Sort aborted: LIMIT ROWS EXAMINED
explain explain
select c1, c2 from t3i order by c2, c1 LIMIT ROWS EXAMINED 2; select c1, c2 from t3i order by c2, c1 LIMIT ROWS EXAMINED 2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
@ -624,7 +624,7 @@ select c1, c2 from t3i order by c2, c1 desc LIMIT ROWS EXAMINED 2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3i index NULL it3j 8 NULL 5 Using index; Using filesort 1 SIMPLE t3i index NULL it3j 8 NULL 5 Using index; Using filesort
select c1, c2 from t3i order by c2, c1 desc LIMIT ROWS EXAMINED 2; select c1, c2 from t3i order by c2, c1 desc LIMIT ROWS EXAMINED 2;
ERROR HY000: Sort aborted: ERROR HY000: Sort aborted: LIMIT ROWS EXAMINED
drop table t3,t3i; drop table t3,t3i;
========================================================================= =========================================================================
INSERT/DELETE/UPDATE INSERT/DELETE/UPDATE

2
sql/filesort.cc
View file

@ -474,7 +474,7 @@ SORT_INFO *filesort(THD *thd, TABLE *table, Filesort *filesort,
MYF(0), MYF(0),
ER_THD(thd, ER_FILSORT_ABORT), ER_THD(thd, ER_FILSORT_ABORT),
kill_errno ? ER_THD(thd, kill_errno) : kill_errno ? ER_THD(thd, kill_errno) :
thd->killed == ABORT_QUERY ? "" : thd->killed == ABORT_QUERY ? "LIMIT ROWS EXAMINED" :
thd->get_stmt_da()->message()); thd->get_stmt_da()->message());
if (global_system_variables.log_warnings > 1) if (global_system_variables.log_warnings > 1)