P:drop database if exists m;
P:create database m;
P:use m;

P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(1), name nchar(1));
P:insert into t (ts, b) values('2020-10-10 00:00:00', 0);
P:insert into t (ts, b) values('2020-10-10 00:00:00.001', 1);
P:insert into t (ts, b) values('2020-10-10 00:00:00.002', 10);
P:select * from t;

P:drop table t;
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(1), name nchar(1));
P:insert into t (ts, v1) values('2020-10-10 00:00:00', 0);
P:insert into t (ts, v1) values('2020-10-10 00:00:00.001', 1);
P:insert into t (ts, v1) values('2020-10-10 00:00:00.002', 10);
P:select * from t;

P:drop table t;
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(1), name nchar(1));
P:insert into t (ts, name) values('2020-10-10 00:00:00', 0);
P:insert into t (ts, name) values('2020-10-10 00:00:00.001', 1);
P:insert into t (ts, name) values('2020-10-10 00:00:00.002', '人');
P:insert into t (ts, name) values('2020-10-10 00:00:00.003', 'a');
P:select * from t;

P:drop table t;
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(3), name nchar(1));
P:insert into t (ts, blob) values('2020-10-10 00:00:00', 0);
P:insert into t (ts, blob) values('2020-10-10 00:00:00.001', 1);
P:insert into t (ts, blob) values('2020-10-10 00:00:00.002', 'a');
P:insert into t (ts, blob) values('2020-10-10 00:00:00.003', 'b');
P:insert into t (ts, blob) values('2020-10-10 00:00:00.004', '人');
P:select * from t;

P:drop table t;
P:create table t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, blob binary(3), name nchar(1));
N:insert into t (ts, blob) values('2020-10-10 00:00:00', '1234');
N:insert into t (ts, blob) values('2020-10-10 00:00:00.001', '0000');
N:insert into t (ts, blob) values('2020-10-10 00:00:00.002', '人a');
P:insert into t (ts, blob) values('2020-10-10 00:00:00.003', 'a');
P:insert into t (ts, blob) values('2020-10-10 00:00:00.004', 'b');
P:insert into t (ts, blob) values('2020-10-10 00:00:00.005', '人');
P:select * from t;