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MDEV-30310 Assertion failure in best_access_path upon IN exceeding IN_PREDICATE_CONVERSION_THRESHOLD, derived_with_keys=off

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The bug was some old code that, without any explanation, reset
PART_KEY_FLAG from fields in temporary tables. This caused
join_tab->key_dependent to not be updated properly, which caused
an assert.
This commit is contained in:
Monty
2022-12-28 19:38:37 +02:00
parent 4be0bfad98
commit 02b7735b82
8 changed files with 46 additions and 13 deletions
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2
mysql-test/main/mysql_client_test.result
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@ -130,7 +130,7 @@ mysql_stmt_next_result(): 0; field_count: 0
# cat MYSQL_TMP_DIR/test_mdev26145.out.log
# ------------------------------------
Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr
def MAX(a) MAX(a) 3 11 0 Y 32768 0 63
def MAX(a) MAX(a) 3 11 0 Y 49152 0 63
# ------------------------------------