Bug#37719: Crash if rename Archive table to same name with different

case and then select

Problem was that the archive share was using a case insensitive
charset when comparing table names

Solution was to use a case sensitive char set when the table
names are case sensitive

mysql-test/suite/parts/r/partition_mgm_lc0_archive.result

@@ -157,23 +157,11 @@ tablea
 SELECT * FROM tablea;
 a
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 SHOW CREATE TABLE tablea;
 Table	Create Table
 tablea	CREATE TABLE `tablea` (
@@ -185,7 +173,6 @@ ALTER TABLE TableA REMOVE PARTITIONING;
 SELECT * FROM TableA;
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@@ -195,11 +182,8 @@ a
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 SHOW CREATE TABLE TableA;
 Table	Create Table
 TableA	CREATE TABLE `TableA` (
@@ -372,23 +356,11 @@ tablea
 SELECT * FROM tablea;
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 SHOW CREATE TABLE tablea;
 Table	Create Table
 tablea	CREATE TABLE `tablea` (
@@ -400,21 +372,16 @@ ALTER TABLE TableA REMOVE PARTITIONING;
 SELECT * FROM TableA;
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 SHOW CREATE TABLE TableA;
 Table	Create Table
@@ -580,23 +547,11 @@ tablea
 SELECT * FROM tablea;
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 SHOW CREATE TABLE tablea;
 Table	Create Table
 tablea	CREATE TABLE `tablea` (
@@ -608,23 +563,17 @@ ALTER TABLE TableA REMOVE PARTITIONING;
 SELECT * FROM TableA;
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 SHOW CREATE TABLE TableA;
 Table	Create Table
 TableA	CREATE TABLE `TableA` (
@@ -783,19 +732,10 @@ tablea
 SELECT * FROM tablea;
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 SHOW CREATE TABLE tablea;
 Table	Create Table
@@ -808,19 +748,13 @@ ALTER TABLE TableA REMOVE PARTITIONING;
 SELECT * FROM TableA;
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 SHOW CREATE TABLE TableA;
 Table	Create Table

storage/archive/ha_archive.cc

@@ -171,7 +171,7 @@ int archive_db_init(void *p)
 
   if (pthread_mutex_init(&archive_mutex, MY_MUTEX_INIT_FAST))
     goto error;
-  if (hash_init(&archive_open_tables, system_charset_info, 32, 0, 0,
+  if (hash_init(&archive_open_tables, table_alias_charset, 32, 0, 0,
                 (hash_get_key) archive_get_key, 0, 0))
   {
     VOID(pthread_mutex_destroy(&archive_mutex));