📄 int4.sql
字号:
-- int4 checkCREATE TABLE int4tmp (a int4);\copy int4tmp from 'data/int2.data'SET enable_seqscan=on;SELECT count(*) FROM int4tmp WHERE a < 237;SELECT count(*) FROM int4tmp WHERE a <= 237;SELECT count(*) FROM int4tmp WHERE a = 237;SELECT count(*) FROM int4tmp WHERE a >= 237;SELECT count(*) FROM int4tmp WHERE a > 237;CREATE INDEX int4idx ON int4tmp USING gist ( a );SET enable_seqscan=off;SELECT count(*) FROM int4tmp WHERE a < 237::int4;SELECT count(*) FROM int4tmp WHERE a <= 237::int4;SELECT count(*) FROM int4tmp WHERE a = 237::int4;SELECT count(*) FROM int4tmp WHERE a >= 237::int4;SELECT count(*) FROM int4tmp WHERE a > 237::int4;
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -