Commit 2da19179 authored by Sergei Petrunia's avatar Sergei Petrunia

Attempt to eliminate race conditions in rocksdb.information_schema

parent c481fc9c
DROP TABLE IF EXISTS t1; DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3; DROP TABLE IF EXISTS t3;
SET GLOBAL ROCKSDB_PAUSE_BACKGROUND_WORK=1;
create table t1 (a int) engine=rocksdb; create table t1 (a int) engine=rocksdb;
drop table t1; drop table t1;
select * from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO; select * from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO;
...@@ -12,6 +13,7 @@ DDL_DROP_INDEX_ONGOING cf_id:0,index_id:max_index_id ...@@ -12,6 +13,7 @@ DDL_DROP_INDEX_ONGOING cf_id:0,index_id:max_index_id
select count(*) from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO; select count(*) from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO;
count(*) count(*)
4 4
SET GLOBAL ROCKSDB_PAUSE_BACKGROUND_WORK=0;
select VALUE into @keysIn from INFORMATION_SCHEMA.ROCKSDB_COMPACTION_STATS where CF_NAME = 'default' and LEVEL = 'Sum' and TYPE = 'KeyIn'; select VALUE into @keysIn from INFORMATION_SCHEMA.ROCKSDB_COMPACTION_STATS where CF_NAME = 'default' and LEVEL = 'Sum' and TYPE = 'KeyIn';
CREATE TABLE t1 (i1 INT, i2 INT, PRIMARY KEY (i1)) ENGINE = ROCKSDB; CREATE TABLE t1 (i1 INT, i2 INT, PRIMARY KEY (i1)) ENGINE = ROCKSDB;
INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3); INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
......
...@@ -13,6 +13,7 @@ DROP TABLE IF EXISTS t3; ...@@ -13,6 +13,7 @@ DROP TABLE IF EXISTS t3;
# is started on a totally empty datadir, where no MyRocks table has # is started on a totally empty datadir, where no MyRocks table has
# ever been created). In that case, there is no MAX_INDEX_ID. # ever been created). In that case, there is no MAX_INDEX_ID.
# Create/drop a table so that we do have MAX_INDEX_ID. # Create/drop a table so that we do have MAX_INDEX_ID.
SET GLOBAL ROCKSDB_PAUSE_BACKGROUND_WORK=1;
create table t1 (a int) engine=rocksdb; create table t1 (a int) engine=rocksdb;
drop table t1; drop table t1;
...@@ -20,6 +21,7 @@ drop table t1; ...@@ -20,6 +21,7 @@ drop table t1;
--replace_result $max_index_id max_index_id --replace_result $max_index_id max_index_id
select * from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO; select * from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO;
select count(*) from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO; select count(*) from INFORMATION_SCHEMA.ROCKSDB_GLOBAL_INFO;
SET GLOBAL ROCKSDB_PAUSE_BACKGROUND_WORK=0;
select VALUE into @keysIn from INFORMATION_SCHEMA.ROCKSDB_COMPACTION_STATS where CF_NAME = 'default' and LEVEL = 'Sum' and TYPE = 'KeyIn'; select VALUE into @keysIn from INFORMATION_SCHEMA.ROCKSDB_COMPACTION_STATS where CF_NAME = 'default' and LEVEL = 'Sum' and TYPE = 'KeyIn';
......
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