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GS
[GS 3.1]
1 执行上一条SQL
\\
Tank> select * from t1;ID NAME
-- ----1 Tank1 row selected.Tank> \\ID NAME
-- ----1 Tank1 row selected.
2 编辑最近执行的SQL
\ed
\edit
Tank> select * from t1;ID NAME
-- ----1 Tank1 row selected.Tank> \edselect * from t1
3 在客户端中执行OS命令
\host
\ho
\!
Tank> \ho
[gs@test01 ~]$ exit
exitTank> \!
[gs@test01 ~]$ exit
exitTank> \! pwd
/home/gsTank>
4 显示执行过的SQL
\hi
\history
gSQL> select * from t1;ID NAME
-- ----1 Tank1 row selected.gSQL> select * from dual;DUMMY
-----
X 1 row selected.gSQL> \hi ID SQL
-- ------------------1 select * from t1 2 select * from dualgSQL> \1ID NAME
-- ----1 Tank1 row selected.
5 调用脚本
Tank> \i '1.sql'
select * from t1;ID NAME
-- ----1 Tank1 row selected.Tank> !cat 1.sql
select * from t1;
6 设置自动提交
\set autocommit [on | off]
Tank> \set autocommit on
Tank> \set autocommit off
7 输出执行计划
\set autotrace on
输出结果+执行计划
\set autotrace traceonly
只输出执行计划
\set autotrace off
不输出执行计划(默认)
Tank> \set autotrace on
Tank> select * from t1;ID NAME
-- ----1 Tank1 row selected.>>> start print plan< Execution Plan >
==================================================================================================
| IDX | NODE DESCRIPTION | ROWS |
--------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | TABLE ACCESS ("T1") | 1 |
==================================================================================================1 - READ COLUMNS : ID, NAME<<< end print planTank> \set autotrace traceonly
Tank> select * from t1;>>> start print plan< Execution Plan >
==================================================================================================
| IDX | NODE DESCRIPTION | ROWS |
--------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | |
| 1 | TABLE ACCESS ("T1") | 0 |
==================================================================================================1 - READ COLUMNS : ID, NAME<<< end print planTank> \set autotrace off
作用与\explain plan相同:
\explain plan on
输出结果+执行计划
\explain plan only
只输出执行计划
\explain plan
未指定on或only时,默认为on
8 设置颜色用于区分输出行
\set color on
每行的输出颜色不同
\set color off
每行的输出颜色相同(默认值)
9 设置输出结果字段长度
\set colsize number
10 设置输出结果的行大小
\set linesize number
11 设置每页显示的行数
\set pagesize number
12 设置显示执行时间、
\set time [on | off]
Tank> set timing on
Tank> select * from t1;ID NAME
-- -----1 Tank 2 Bruce3 Roy 4 Ken 4 rows selected.Elapsed time: 0.15800 ms
Tank> set timing off
13 保存输出结果到文件
\spool 'filename' [CREATE | REPLACE | APPEND]
执行SQL
\spool off
Tank> \spool 'output.csv' create
Tank> select * from t1;ID NAME
-- -----1 Tank 2 Bruce3 Roy 4 Ken 4 rows selected.Tank> \spool offTank> !
[gs@test01 ~]$ cat output.csv
Tank> select * from t1;ID NAME
-- -----1 Tank 2 Bruce3 Roy 4 Ken 4 rows selected.Tank> \spool off
14 查看表的定义信息
\ddl_table table_name
Tank> \ddl_table t1SET SESSION AUTHORIZATION "TESTUSER";
CREATE TABLE "TESTUSER"."T1" ( "ID" NUMBER( 10, 0 )) PCTFREE 10 PCTUSED 60 INITRANS 4 MAXTRANS 8 STORAGE ( INITIAL 524288 NEXT 262144 MINSIZE 524288 MAXSIZE 562949953159168 ) TABLESPACE "DATA_TBS"
;
COMMIT;
Tank
2019.7.24
本文标签: GS
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