Mixing
Use schema search path in views
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I am experimenting a little with PostgreSQL schemas and found that the search path doesn't seem to be used in views. I have two schemas, one called bf and public. My search path is set as bf,public. Both schemas have the same tables, the table in public is empty.
When using this view:
CREATE VIEW public.testview(data1, data2)
AS
SELECT data1, data2 FROM the_table;
always only data from public (i.e. nothing) is shown.
I expect the data from bf, because bf.the_table is found first, according to the search path.
Update the view seems to automatically include the tablename including the schema name. When creating and omitting the schema name, it shows after changing the schema search path.
postgresql schema
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
add a comment |
I am experimenting a little with PostgreSQL schemas and found that the search path doesn't seem to be used in views. I have two schemas, one called bf and public. My search path is set as bf,public. Both schemas have the same tables, the table in public is empty.
When using this view:
CREATE VIEW public.testview(data1, data2)
AS
SELECT data1, data2 FROM the_table;
always only data from public (i.e. nothing) is shown.
I expect the data from bf, because bf.the_table is found first, according to the search path.
Update the view seems to automatically include the tablename including the schema name. When creating and omitting the schema name, it shows after changing the schema search path.
postgresql schema
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
1
Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27
add a comment |
I am experimenting a little with PostgreSQL schemas and found that the search path doesn't seem to be used in views. I have two schemas, one called bf and public. My search path is set as bf,public. Both schemas have the same tables, the table in public is empty.
When using this view:
CREATE VIEW public.testview(data1, data2)
AS
SELECT data1, data2 FROM the_table;
always only data from public (i.e. nothing) is shown.
I expect the data from bf, because bf.the_table is found first, according to the search path.
Update the view seems to automatically include the tablename including the schema name. When creating and omitting the schema name, it shows after changing the schema search path.
postgresql schema
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
I am experimenting a little with PostgreSQL schemas and found that the search path doesn't seem to be used in views. I have two schemas, one called bf and public. My search path is set as bf,public. Both schemas have the same tables, the table in public is empty.
When using this view:
CREATE VIEW public.testview(data1, data2)
AS
SELECT data1, data2 FROM the_table;
always only data from public (i.e. nothing) is shown.
I expect the data from bf, because bf.the_table is found first, according to the search path.
Update the view seems to automatically include the tablename including the schema name. When creating and omitting the schema name, it shows after changing the schema search path.
postgresql schema
postgresql schema
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
edited Jan 3 at 13:22
Bart Friederichs
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
asked Jan 3 at 12:59
Bart FriederichsBart Friederichs
25.1k1168124
25.1k1168124
1
Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27
add a comment |
1
Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27
1
1
Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27
add a comment |
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Maybe what you want can be done with rules. (AFAIK a view is translated to a rule too, so you might want to start with that rule and try to modify it to use a variable schema.)
– sticky bit
Jan 3 at 13:28
@stickybit I looked at the documentation, but haven't found a way to implement what I want, could you perhaps elaborate?
– Bart Friederichs
Jan 3 at 14:27