Обсуждение: connectby
hi I have menu table: id | integer | not null default nextval('public.menu_id_seq'::text) parent_id | integer | description | text | I do select: test=> SELECT * FROM connectby('menu','id','parent_id','2',0,'~') t(id integer, parent_id integer, level int, branch text); id | parent_id | level | branch ----+-----------+-------+------------- 2 | | 0 | 2 4 | 2 | 1 | 2~4 7 | 4 | 2 | 2~4~7 10 | 7 | 3 | 2~4~7~10 16 | 10 | 4 | 2~4~7~10~16 9 | 4 | 2 | 2~4~9 How am I able to select description file from menu table, not only id, parent_id, level, branch fields? -- WBR, sector119
> hi > > I have menu table: > id | integer | not null default > nextval('public.menu_id_seq'::text) > parent_id | integer | > description | text | > > I do select: > test=> SELECT * FROM connectby('menu','id','parent_id','2',0,'~') t(id > integer, parent_id integer, level int, branch text); > id | parent_id | level | branch > ----+-----------+-------+------------- > 2 | | 0 | 2 > 4 | 2 | 1 | 2~4 > 7 | 4 | 2 | 2~4~7 > 10 | 7 | 3 | 2~4~7~10 > 16 | 10 | 4 | 2~4~7~10~16 > 9 | 4 | 2 | 2~4~9 > > How am I able to select description file from menu table, not only id, > parent_id, level, branch fields? > > -- > WBR, sector119 Try a join with the original table: SELECT t.*, description FROM connectby('menu','id','parent_id','2',0,'~') AS t(id integer, parent_id integer, level int, branch text), menu WHERE t.id = menu.id George Essig
BenLaKnet wrote: > I use postgresql 7.2.3 > How can I use connectby ?? > > Must I install files ? or packages ? or it is recommanded to upgrade > dataserver ? You need to upgrade. Either install 7.3.4 or wait a few weeks and install 7.4 when it is released. Joe
I use postgresql 7.2.3
How can I use connectby ??
Must I install files ? or packages ? or it is recommanded to upgrade dataserver ?
George Essig wrote:
How can I use connectby ??
Must I install files ? or packages ? or it is recommanded to upgrade dataserver ?
George Essig wrote:
hi I have menu table: id | integer | not null default nextval('public.menu_id_seq'::text) parent_id | integer | description | text | I do select: test=> SELECT * FROM connectby('menu','id','parent_id','2',0,'~') t(id integer, parent_id integer, level int, branch text); id | parent_id | level | branch ----+-----------+-------+------------- 2 | | 0 | 2 4 | 2 | 1 | 2~4 7 | 4 | 2 | 2~4~7 10 | 7 | 3 | 2~4~7~10 16 | 10 | 4 | 2~4~7~10~16 9 | 4 | 2 | 2~4~9 How am I able to select description file from menu table, not only id, parent_id, level, branch fields? -- WBR, sector119Try a join with the original table: SELECT t.*, description FROM connectby('menu','id','parent_id','2',0,'~') AS t(id integer, parent_id integer, level int, branch text), menu WHERE t.id = menu.id George Essig ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
I use postgresql 7.2.3
How can I use connectby ??
Must I install files ? or packages ? or it is recommanded to upgrade dataserver ?
George Essig wrote:
How can I use connectby ??
Must I install files ? or packages ? or it is recommanded to upgrade dataserver ?
George Essig wrote:
hi I have menu table: id | integer | not null default nextval('public.menu_id_seq'::text) parent_id | integer | description | text | I do select: test=> SELECT * FROM connectby('menu','id','parent_id','2',0,'~') t(id integer, parent_id integer, level int, branch text); id | parent_id | level | branch ----+-----------+-------+------------- 2 | | 0 | 2 4 | 2 | 1 | 2~4 7 | 4 | 2 | 2~4~7 10 | 7 | 3 | 2~4~7~10 16 | 10 | 4 | 2~4~7~10~16 9 | 4 | 2 | 2~4~9 How am I able to select description file from menu table, not only id, parent_id, level, branch fields? -- WBR, sector119Try a join with the original table: SELECT t.*, description FROM connectby('menu','id','parent_id','2',0,'~') AS t(id integer, parent_id integer, level int, branch text), menu WHERE t.id = menu.id George Essig ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org