mirror of
https://github.com/postgres/postgres.git
synced 2025-06-08 22:02:03 +03:00
Update FAQ.
This commit is contained in:
parent
1c753e1ffb
commit
1ee0d4a992
4
doc/FAQ
4
doc/FAQ
@ -900,6 +900,10 @@ BYTEA bytea variable-length array of bytes
|
|||||||
DELETE FROM new;
|
DELETE FROM new;
|
||||||
COPY new WITH OIDS FROM '/tmp/pgtable';
|
COPY new WITH OIDS FROM '/tmp/pgtable';
|
||||||
|
|
||||||
|
OIDs are stored as 4-byte integers, and will overflow at 4 billion. No
|
||||||
|
one has reported this every happening, and we plan to have the limit
|
||||||
|
removed before anyone does.
|
||||||
|
|
||||||
TIDs are used to identify specific physical rows with block and offset
|
TIDs are used to identify specific physical rows with block and offset
|
||||||
values. Tids change after rows are modified or reloaded. They are used
|
values. Tids change after rows are modified or reloaded. They are used
|
||||||
by index entries to point to physical rows.
|
by index entries to point to physical rows.
|
||||||
|
@ -1095,6 +1095,10 @@ no reason you can't do it:
|
|||||||
-->
|
-->
|
||||||
</PRE><P>
|
</PRE><P>
|
||||||
|
|
||||||
|
O<small>ID</small>s are stored as 4-byte integers, and will overflow
|
||||||
|
at 4 billion. No one has reported this every happening, and we plan to
|
||||||
|
have the limit removed before anyone does.<P>
|
||||||
|
|
||||||
T<small>ID</small>s are used to identify specific physical rows with block and offset
|
T<small>ID</small>s are used to identify specific physical rows with block and offset
|
||||||
values. Tids change after rows are modified or reloaded. They are used
|
values. Tids change after rows are modified or reloaded. They are used
|
||||||
by index entries to point to physical rows.<P>
|
by index entries to point to physical rows.<P>
|
||||||
|
Loading…
x
Reference in New Issue
Block a user