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Switch the default histogram_type to still be DOUBLE_PREC_HB

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MTR still uses JSON_HB as the default.
This commit is contained in:
Sergei Petrunia 2022-01-19 15:54:38 +03:00
parent 4842a56356
commit f7e49c98e6
4 changed files with 4 additions and 3 deletions
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1
mysql-test/include/default_mysqld.cnf
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@ -118,6 +118,7 @@ binlog-direct-non-transactional-updates
default-storage-engine=myisam default-storage-engine=myisam
use_stat_tables=preferably use_stat_tables=preferably
histogram_type=json_hb
loose-ssl-ca=@ENV.MYSQL_TEST_DIR/std_data/cacert.pem loose-ssl-ca=@ENV.MYSQL_TEST_DIR/std_data/cacert.pem
loose-ssl-cert=@ENV.MYSQL_TEST_DIR/std_data/server-cert.pem loose-ssl-cert=@ENV.MYSQL_TEST_DIR/std_data/server-cert.pem

2
mysql-test/main/mysqld--help.result
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@ -1551,7 +1551,7 @@ gtid-pos-auto-engines
gtid-strict-mode FALSE gtid-strict-mode FALSE
help TRUE help TRUE
histogram-size 254 histogram-size 254
histogram-type JSON_HB histogram-type DOUBLE_PREC_HB
host-cache-size 279 host-cache-size 279
idle-readonly-transaction-timeout 0 idle-readonly-transaction-timeout 0
idle-transaction-timeout 0 idle-transaction-timeout 0

2
mysql-test/suite/sys_vars/r/histogram_type_basic.result
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@ -10,7 +10,7 @@ SET @@global.histogram_type = 1;
SET @@global.histogram_type = DEFAULT; SET @@global.histogram_type = DEFAULT;
SELECT @@global.histogram_type; SELECT @@global.histogram_type;
@@global.histogram_type @@global.histogram_type
JSON_HB DOUBLE_PREC_HB
SET @@global.histogram_type = 0; SET @@global.histogram_type = 0;
SELECT @@global.histogram_type; SELECT @@global.histogram_type;
@@global.histogram_type @@global.histogram_type

2
sql/sys_vars.cc
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@ -6499,7 +6499,7 @@ static Sys_var_enum Sys_histogram_type(
"DOUBLE_PREC_HB - double precision height-balanced, " "DOUBLE_PREC_HB - double precision height-balanced, "
"JSON_HB - height-balanced, stored as JSON.", "JSON_HB - height-balanced, stored as JSON.",
SESSION_VAR(histogram_type), CMD_LINE(REQUIRED_ARG), SESSION_VAR(histogram_type), CMD_LINE(REQUIRED_ARG),
histogram_types, DEFAULT(2)); histogram_types, DEFAULT(1));
static Sys_var_mybool Sys_no_thread_alarm( static Sys_var_mybool Sys_no_thread_alarm(
"debug_no_thread_alarm", "debug_no_thread_alarm",