diff options
Diffstat (limited to 'sql/sys_vars.cc')
| -rw-r--r-- | sql/sys_vars.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index 2bf9a55f8b1..aa0c4232466 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -3777,6 +3777,17 @@ static Sys_var_ulong Sys_histogram_size( SESSION_VAR(histogram_size), CMD_LINE(REQUIRED_ARG), VALID_RANGE(0, 255), DEFAULT(0), BLOCK_SIZE(1)); +const char *histogram_types[] = + {"SINGLE_PREC_HB", "DOUBLE_PREC_HB", 0}; +static Sys_var_enum Sys_histogram_type( + "histogram_type", + "Specifies type of the histograms created by ANALYZE. " + "Possible values are: " + "SINGLE_PREC_HB - single precision height-balanced, " + "DOUBLE_PREC_HB - double precision height-balanced.", + SESSION_VAR(histogram_type), CMD_LINE(REQUIRED_ARG), + histogram_types, DEFAULT(0)); + static Sys_var_mybool Sys_no_thread_alarm( "debug_no_thread_alarm", "Disable system thread alarm calls. Disabling it may be useful " |