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DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
DROP TABLE IF EXISTS t3;
create table t1(
id bigint not null primary key auto_increment,
a varchar(255) not null,
b bigint,
index t1_1(b)
) engine=rocksdb;
create table t2(
id bigint not null primary key auto_increment,
a varchar(255) not null,
b bigint,
index t2_1(b) comment 'cf_t3'
) engine=rocksdb;
create table t3(
id bigint not null primary key auto_increment,
a varchar(255) not null,
b bigint,
index t3_1(b) comment 'rev:cf_t4'
) engine=rocksdb;
SELECT table_name, table_rows FROM information_schema.tables WHERE table_schema = DATABASE() and table_name <> 't1';
table_name table_rows
t2 1000
t3 1000
SELECT CASE WHEN table_rows < 100000 then 'true' else 'false' end from information_schema.tables where table_name = 't1';
CASE WHEN table_rows < 100000 then 'true' else 'false' end
true
set global rocksdb_force_flush_memtable_now = true;
SELECT table_name, table_rows FROM information_schema.tables WHERE table_schema = DATABASE();
table_name table_rows
t1 1000
t2 1000
t3 1000
SELECT table_name, data_length>0, index_length>0 FROM information_schema.tables WHERE table_schema = DATABASE();
table_name data_length>0 index_length>0
t1 1 1
t2 1 1
t3 1 1
# restart
SELECT table_name, table_rows FROM information_schema.tables WHERE table_schema = DATABASE();
table_name table_rows
t1 1000
t2 1000
t3 1000
SELECT table_name, data_length>0, index_length>0 FROM information_schema.tables WHERE table_schema = DATABASE();
table_name data_length>0 index_length>0
t1 1 1
t2 1 1
t3 1 1
analyze table t1,t2,t3,t4,t5;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
test.t2 analyze status Engine-independent statistics collected
test.t2 analyze status OK
test.t3 analyze status Engine-independent statistics collected
test.t3 analyze status OK
test.t4 analyze Error Table 'test.t4' doesn't exist
test.t4 analyze status Operation failed
test.t5 analyze Error Table 'test.t5' doesn't exist
test.t5 analyze status Operation failed
SELECT table_name, table_rows FROM information_schema.tables WHERE table_schema = DATABASE();
table_name table_rows
t1 1000
t2 1000
t3 1000
SELECT table_name, data_length>0, index_length>0 FROM information_schema.tables WHERE table_schema = DATABASE();
table_name data_length>0 index_length>0
t1 1 1
t2 1 1
t3 1 1
drop table t1, t2, t3;
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