diff options
Diffstat (limited to 'sql/mysqld.cc')
| -rw-r--r-- | sql/mysqld.cc | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc index d21de9b7780..a38763ac9a8 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -5281,7 +5281,8 @@ The minimum value for this variable is 4096.", GET_ULONG, REQUIRED_ARG, 8192*1024, 4, ~0L, 0, 1, 0}, {"myisam_stats_method", OPT_MYISAM_STATS_METHOD, "Specifies how MyISAM index statistics collection code should threat NULLs. " - "Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), and \"nulls_equal\" (emulate 4.0 behavior).", + "Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), " + "\"nulls_equal\" (emulate 4.0 behavior), and \"nulls_ignored\".", (gptr*) &myisam_stats_method_str, (gptr*) &myisam_stats_method_str, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"net_buffer_length", OPT_NET_BUFFER_LENGTH, @@ -6475,16 +6476,26 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)), } case OPT_MYISAM_STATS_METHOD: { - myisam_stats_method_str= argument; int method; + ulong method_conv; + myisam_stats_method_str= argument; if ((method=find_type(argument, &myisam_stats_method_typelib, 2)) <= 0) { fprintf(stderr, "Invalid value of myisam_stats_method: %s.\n", argument); exit(1); } - global_system_variables.myisam_stats_method= - test(method-1)? MI_STATS_METHOD_NULLS_EQUAL : - MI_STATS_METHOD_NULLS_NOT_EQUAL; + switch (method-1) { + case 0: + method_conv= MI_STATS_METHOD_NULLS_EQUAL; + break; + case 1: + method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL; + break; + case 2: + method_conv= MI_STATS_METHOD_IGNORE_NULLS; + break; + } + global_system_variables.myisam_stats_method= method_conv; break; } case OPT_SQL_MODE: |