据我所知,SELECT语句的任何视图都是在每次被引用时生成的,所以每次发生这种情况时,我都想重新创建SEQUENCE。,FROM num; 我必须在SELECT语句之前插入SELECT nextval('seq'),否则它将返回 ERROR: currval of sequence "seq" is not yetdefined in this session 最后,这段代码不会每次都重新创建SEQUENCE,因为它只会...
当前,我在查找列的下一个序列值时遇到了问题。currval查询来查找下一个序列值(应该是1),但我得到了ERROR: currval of sequence "my_list_id_seqSELECTnextval('my_list_id_seq'); ---(1 row) 在nextval查询之后,我现在可以使用currval查询 浏览1提问...
> > my PC does... maybe the problem is common to postgres and firebird ?) > > > > Try eliminating disk IO by writing a set returning function which > > returns 1000000 rows, something simple like just a sequence number and > > a text value... if this is slow too... i don't...
CREATESEQUENCE "ioc_dw_second"."test0002_seq" INCREMENT1MINVALUE1MAXVALUE9223372036854775807START1CACHE1CYCLE ;CREATETABLE"ioc_dw_second"."test0002" ( "rid" int4NOTNULLDEFAULTnextval('"ioc_dw_second".test0002_seq'::regclass), "name"varchar(20) COLLATE "pg_catalog"."default", "update_time"...
$setsequence ="ALTER TABLE {$sNewTable} ALTER COLUMN id SET DEFAULT nextval('{$sNewTable}_id_seq'::regclass);"; $deactivateresult = $connect->Execute($setsequence)ordie("Couldn't make backup of the survey table. Please try again. The database reported the following error:<br />". ...
DB::statement("ALTER SEQUENCE roles_role_id_seq OWNED BY \"roles\".\"role_id\" RESTART WITH {$pgSeqNext};"); DB::statement("ALTER TABLE roles ALTER COLUMN role_id SET DEFAULT nextval('roles_role_id_seq');"); }# THEIR TABLES$tBoardsTable =$this->tcon->table("boards")->join(...
Derby上的Oracle sequence nextval问题 、、、 在我们的应用程序中,在Oracle数据库之上有多个MyBatis查询,这些查询使用序列来生成自己的ID值以供进一步使用 <selectKey keyColumn="some_id" keyProperty="someId" order="BEFORE" resultType="int">selects_seq1.nextval from dualsomeId}, 浏览...