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Fix for BUG#8371: wrong rec_per_key value for hash index on temporary table

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mysql-test/r/heap_hash.result:
  Testcase for BUG#8371: wrong rec_per_key value for hash index on temporary table
mysql-test/t/heap_hash.test:
  Testcase for BUG#8371: wrong rec_per_key value for hash index on temporary table
sql/ha_heap.cc:
  Fix for BUG#8371: wrong rec_per_key value for hash index on temporary table:
  Don't assume that table->rec_per_key==NULL if table->tmp_table != NO_TMP_TABLE, 
  this is not true for tables created with "CREATE TEMPORARY TABLE" (while it holds
  for temporary tables created during query execution)
sql/sql_select.cc:
  Initialize rec_per_key for all keys in temporary table.
This commit is contained in:
unknown
2005-02-08 23:44:51 +03:00
parent ffe417fdde
commit 37e2873fe3
4 changed files with 24 additions and 6 deletions
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sql/sql_select.cc
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@ -5289,6 +5289,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
keyinfo->key_length=(uint16) reclength;
keyinfo->name=(char*) "tmp";
keyinfo->algorithm= HA_KEY_ALG_UNDEF;
keyinfo->rec_per_key=0;
if (null_pack_length)
{
key_part_info->null_bit=0;