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Fix bug: could not switch trx isolation back to REPEATABLE READ after switching it to some other level
This commit is contained in:
heikki@hundin.mysql.fi 2002-12-31 10:17:35 +02:00
parent 3cf6a6b28e
commit 80f5621e4c
1 changed files with 2 additions and 4 deletions
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6
sql/ha_innodb.cc
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@ -3812,8 +3812,8 @@ innobase_map_isolation_level(
enum_tx_isolation iso) /* in: MySQL isolation level code */
{
switch(iso) {
case ISO_READ_COMMITTED: return(TRX_ISO_READ_COMMITTED);
case ISO_REPEATABLE_READ: return(TRX_ISO_REPEATABLE_READ);
case ISO_READ_COMMITTED: return(TRX_ISO_READ_COMMITTED);
case ISO_SERIALIZABLE: return(TRX_ISO_SERIALIZABLE);
case ISO_READ_UNCOMMITTED: return(TRX_ISO_READ_UNCOMMITTED);
default: ut_a(0); return(0);
@ -3868,11 +3868,9 @@ ha_innobase::external_lock(
trx->n_mysql_tables_in_use++;
prebuilt->mysql_has_locked = TRUE;
if (thd->variables.tx_isolation != ISO_REPEATABLE_READ) {
trx->isolation_level = innobase_map_isolation_level(
trx->isolation_level = innobase_map_isolation_level(
(enum_tx_isolation)
thd->variables.tx_isolation);
}
if (trx->isolation_level == TRX_ISO_SERIALIZABLE
&& prebuilt->select_lock_type == LOCK_NONE) {