Index: t3lib/stddb/tables.sql
===================================================================
--- t3lib/stddb/tables.sql	(revision 6429)
+++ t3lib/stddb/tables.sql	(working copy)
@@ -125,7 +125,7 @@
 CREATE TABLE cache_hash (
   id int(11) unsigned NOT NULL auto_increment,
   hash varchar(32) DEFAULT '' NOT NULL,
-  content mediumtext,
+  content mediumblob,
   tstamp int(11) unsigned DEFAULT '0' NOT NULL,
   ident varchar(32) DEFAULT '' NOT NULL,
   PRIMARY KEY (id),
@@ -140,7 +140,7 @@
   id int(11) unsigned NOT NULL auto_increment,
   identifier varchar(128) DEFAULT '' NOT NULL,
   crdate int(11) unsigned DEFAULT '0' NOT NULL,
-  content mediumtext,
+  content mediumblob,
   lifetime int(11) unsigned DEFAULT '0' NOT NULL,
   PRIMARY KEY (id),
   KEY cache_id (identifier)
Index: typo3/sysext/cms/ext_tables.sql
===================================================================
--- typo3/sysext/cms/ext_tables.sql	(revision 6429)
+++ typo3/sysext/cms/ext_tables.sql	(working copy)
@@ -11,11 +11,11 @@
   hash varchar(32) DEFAULT '' NOT NULL,
   page_id int(11) unsigned DEFAULT '0' NOT NULL,
   reg1 int(11) unsigned DEFAULT '0' NOT NULL,
-  HTML mediumtext,
+  HTML mediumblob,
   temp_content int(1) DEFAULT '0' NOT NULL,
   tstamp int(11) unsigned DEFAULT '0' NOT NULL,
   expires int(10) unsigned DEFAULT '0' NOT NULL,
-  cache_data mediumtext,
+  cache_data mediumblob,
   KEY page_id (page_id),
   KEY sel (hash,page_id),
   PRIMARY KEY (id)
@@ -28,7 +28,7 @@
 CREATE TABLE cache_pagesection (
   page_id int(11) unsigned DEFAULT '0' NOT NULL,
   mpvar_hash int(11) unsigned DEFAULT '0' NOT NULL,
-  content text,
+  content mediumblob,
   tstamp int(11) unsigned DEFAULT '0' NOT NULL,
   PRIMARY KEY (page_id,mpvar_hash)
 ) ENGINE=InnoDB;
@@ -43,7 +43,7 @@
   id int(11) unsigned NOT NULL auto_increment,
   identifier varchar(128) DEFAULT '' NOT NULL,
   crdate int(11) unsigned DEFAULT '0' NOT NULL,
-  content mediumtext,
+  content mediumblob,
   lifetime int(11) unsigned DEFAULT '0' NOT NULL,
   PRIMARY KEY (id),
   KEY cache_id (identifier)
@@ -70,7 +70,7 @@
   id int(11) unsigned NOT NULL auto_increment,
   identifier varchar(128) DEFAULT '' NOT NULL,
   crdate int(11) unsigned DEFAULT '0' NOT NULL,
-  content mediumtext,
+  content mediumblob,
   lifetime int(11) unsigned DEFAULT '0' NOT NULL,
   PRIMARY KEY (id),
   KEY cache_id (identifier)