Update 20231202_01.md

Author: digoal

202312/20231202_01.md

@@ -41,7 +41,7 @@ docker exec -ti pg bash
 ```    
 
 ## 例子    
-首先在容器中部署mysql8最新版本, 下次把mysql直接打包到容器中.    
+(本步骤可以忽略, 以上x86的docker image已经集成mysql8) 首先在容器中部署mysql8最新版本, 下次把mysql直接打包到容器中.    
 
 https://dev.mysql.com/downloads/repo/apt/    
 
@@ -117,11 +117,11 @@ COPY 10000000
 ```    
 mysql -S /tmp/mysql.sock    
     
-mysql>    mysql    
+mysql>  use  mysql    
 mysql> create table tbl (id int(10), info varchar(100), ts timestamp, c1 int(10));    
 mysql> load data infile '/tmp/1.csv' into table tbl fields terminated by ',' ignore 1 lines;    
     
-mysql> CREATE   R 'digoal'@'localhost' IDENTIFIED BY '123456';    
+mysql> CREATE   USER 'digoal'@'localhost' IDENTIFIED BY '123456';    
 mysql> grant all on *.* to 'digoal'@'localhost';    
 mysql> grant all on mysql to 'digoal'@'localhost';    
     
@@ -163,11 +163,11 @@ install 'mysql';
 load 'mysql';    
 .timer on    
     
-ATTACH 'host=localhost   r=digoal password=123456 port=0 database=mysql' AS my (TYPE mysql_scanner, READ_ONLY) ;    
+ATTACH 'host=localhost   user=digoal password=123456 port=0 database=mysql' AS my (TYPE mysql_scanner, READ_ONLY) ;    
     
     
-D    my;    
-Run Time (s): real 0.002   r 0.000000 sys 0.000860    
+D  use  my;    
+Run Time (s): real 0.002   user 0.000000 sys 0.000860    
     
 D show tables;    
 ┌──────────────────────────────────────────────────────┐    
@@ -216,7 +216,7 @@ D show tables;
 ├──────────────────────────────────────────────────────┤    
 │                       39 rows                        │    
 └──────────────────────────────────────────────────────┘    
-Run Time (s): real 0.011   r 0.018249 sys 0.004298    
+Run Time (s): real 0.011   user 0.018249 sys 0.004298    
     
 D select count(*) from tbl;    
 100% ▕████████████████████████████████████████████████████████████▏     
@@ -226,7 +226,7 @@ D select count(*) from tbl;
 ├──────────────┤    
 │     10000000 │    
 └──────────────┘    
-Run Time (s): real 6.570   r 0.788166 sys 0.183505    
+Run Time (s): real 6.570   user 0.788166 sys 0.183505    
     
 D select count(*), count(distinct id), count(distinct info), count(distinct ts), count(distinct c1) from tbl;    
 100% ▕████████████████████████████████████████████████████████████▏     
@@ -236,7 +236,7 @@ D select count(*), count(distinct id), count(distinct info), count(distinct ts),
 ├──────────────┼────────────────────┼──────────────────────┼────────────────────┼────────────────────┤    
 │     10000000 │           10000000 │             10000000 │                 18 │              10001 │    
 └──────────────┴────────────────────┴──────────────────────┴────────────────────┴────────────────────┘    
-Run Time (s): real 40.862   r 17.440941 sys 1.945406    
+Run Time (s): real 40.862   user 17.440941 sys 1.945406    
 ```    
 
 将数据导入DuckDB inmemory db, 1000万记录简单分析SQL 1.4秒.      
@@ -249,12 +249,12 @@ D show databases;
 │ memory        │    
 │ my            │    
 └───────────────┘    
-Run Time (s): real 0.003   r 0.001269 sys 0.002332    
-D    memory;    
-Run Time (s): real 0.002   r 0.000797 sys 0.000000    
+Run Time (s): real 0.003   user 0.001269 sys 0.002332    
+D   use memory;    
+Run Time (s): real 0.002   user 0.000797 sys 0.000000    
 D create table t1 as select * from my.tbl;    
 100% ▕████████████████████████████████████████████████████████████▏     
-Run Time (s): real 35.903   r 12.694567 sys 1.437991    
+Run Time (s): real 35.903   user 12.694567 sys 1.437991    
 D DESCRIBE t1;    
 ┌─────────────┬──────────────────────────┬─────────┬─────────┬─────────┬───────┐    
 │ column_name │       column_type        │  null   │   key   │ default │ extra │    
@@ -265,7 +265,7 @@ D DESCRIBE t1;
 │ ts          │ TIMESTAMP WITH TIME ZONE │ YES     │         │         │       │    
 │ c1          │ INTEGER                  │ YES     │         │         │       │    
 └─────────────┴──────────────────────────┴─────────┴─────────┴─────────┴───────┘    
-Run Time (s): real 0.050   r 0.075262 sys 0.024439    
+Run Time (s): real 0.050   user 0.075262 sys 0.024439    
     
     
 D select count(*), count(distinct id), count(distinct info), count(distinct ts), count(distinct c1) from t1;    
@@ -275,7 +275,7 @@ D select count(*), count(distinct id), count(distinct info), count(distinct ts),
 ├──────────────┼────────────────────┼──────────────────────┼────────────────────┼────────────────────┤    
 │     10000000 │           10000000 │             10000000 │                 18 │              10001 │    
 └──────────────┴────────────────────┴──────────────────────┴────────────────────┴────────────────────┘    
-Run Time (s): real 1.404   r 6.835519 sys 0.699056    
+Run Time (s): real 1.404   user 6.835519 sys 0.699056    
 ```