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Implement worklog #5743 InnoDB: Lift the limit of index key prefixes.

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With this change, the index prefix column length lifted from 767 bytes
to 3072 bytes if "innodb_large_prefix" is set to "true".

rb://603 approved by Marko
This commit is contained in:
Jimmy Yang
2011-05-31 02:12:32 -07:00
parent 942cd5fd18
commit bd708b4240
31 changed files with 827 additions and 156 deletions
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4
sql/handler.cc
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@@ -357,6 +357,7 @@ int ha_init_errors(void)
SETMSG(HA_ERR_AUTOINC_READ_FAILED, ER_DEFAULT(ER_AUTOINC_READ_FAILED));
SETMSG(HA_ERR_AUTOINC_ERANGE, ER_DEFAULT(ER_WARN_DATA_OUT_OF_RANGE));
SETMSG(HA_ERR_TOO_MANY_CONCURRENT_TRXS, ER_DEFAULT(ER_TOO_MANY_CONCURRENT_TRXS));
SETMSG(HA_ERR_INDEX_COL_TOO_LONG, ER_DEFAULT(ER_INDEX_COLUMN_TOO_LONG));
/* Register the error messages for use with my_error(). */
return my_error_register(get_handler_errmsgs, HA_ERR_FIRST, HA_ERR_LAST);
@@ -2861,6 +2862,9 @@ void handler::print_error(int error, myf errflag)
case HA_ERR_TOO_MANY_CONCURRENT_TRXS:
textno= ER_TOO_MANY_CONCURRENT_TRXS;
break;
case HA_ERR_INDEX_COL_TOO_LONG:
textno= ER_INDEX_COLUMN_TOO_LONG;
break;
default:
{
/* The error was "unknown" to this function.