last_value | bigint | 1 start_value | bigint | 1 increment_by | bigint | 1 max_value | bigint | 9223372036854775807 min_value | bigint | 1 cache_value | bigint | 1 log_cnt | bigint | 0 is_cycled | boolean | f is_called | boolean | f Owned by: public.tbl_serial.a 其实...
1. 生成随机整数 —— Generate a random integer --Function:--Generate a random integer--Parameters:--min_value: Minimum value--max_value: Maximum valuecreateorreplacefunctiongen_random_int(min_valueintdefault1, max_valueintdefault1000)returnsintas$$beginreturnmin_value+round((max_value-min_value...
INSERT INTO "public"."inet_workbench_widget" VALUES (12, '2023-07-12 15:54:26.329', '{"h": 4, "i": "1689148545530", "w": 4, "x": 0, "y": 4, "maxH": 8, "maxW": 12, "minH": 3, "minW": 4}', '{"filter": [{"key": "time", "value": "TODAY", "operator":...
lcm.small_subnational_region_name=lcmyv.small_subnational_region_name AND lcm.year_value=lcmyv.max_year_value GROUP BY lcm.country_name, lcm.large_subnational_region_name, lcm.small_subnational_region_name, lcm.year_value ORDER BY country_name, year_value; 1. 2. 3. 4. 5. 6. 7. 8. ...
MAX(year_value) max_year_value FROM land_cover GROUP BY country_name, large_subnational_region_name, small_subnational_region_name ) AS lcmyv ON lcm.country_name = lcmyv.country_name AND lcm.large_subnational_region_name = lcmyv.large_subnational_region_name AND ...
create sequence seq_user_camera_version increment by 1 minvalue 1 no maxvalue start with 1; 3)建表,并用上面的序列作为主键自增序列 CREATE TABLE public.user_camera_version ( id int4 NOT NULL DEFAULT nextval('seq_user_camera_version'::regclass), ...
integer | | | | plain | | | status | text | | | | extended | | | arr | numeric | | | | main | | | Partition key: RANGE (arr) Partitions: cust_arr_large FOR VALUES FROM ('75') TO (MAXVALUE), cust_arr_medium FOR VALUES FROM ('25') TO ('75'), cust_arr_small FOR...
VALUE IF NOT EXISTS 'ok' BEFORE 'fine'; mydb=# \dT+ mood; List of data types Schema | Name | Internal name | Size | Elements | Owner | Access privileges | Description ---+---+---+---+---+---+---+--- public | mood | mood | 4 | sad +| postgres | | | | | | ...
CREATESEQUENCEoldgeek_test_seqINCREMENTBY1MAXVALUE99999999STARTWITH1NOCYCLE;CREATETABLEoldgeek_test(id integerDEFAULTnextval('oldgeek_test_seq')NOTNULL,user_namevarchar(20),PRIMARYKEY(id)); 插入数据 插入值:对应表定义的:方法一 代码语言:javascript ...
定义一个新序列发生器。CREATE [ TEMPORARY | TEMP ] SEQUENCE name [ INCREMENT [ BY ] increment ] [ MINVALUE minvalue | NO MINVALUE ] [ MAXVALUE maxvalue | NO MAXVALUE ] [ START [ WITH ] start ] [ CACHE cache ] [ [ NO ] CYCLE ]CREATE TABLE定义一个新表。