open-dsi
/
postgres
mirror of https://github.com/postgres/postgres
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Avoid creating a TOAST table for a partitioned table.

Browse Source 
It's useless.

Amit Langote

Discussion: http://postgr.es/m/b4c9dee6-d134-49b8-79c4-07fbd7c3b898@lab.ntt.co.jp
pull/31/merge
Robert Haas 8 years ago
parent 8a8c4f3b32
commit 2fe6336e2d
1 changed files with 4 additions and 0 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 4
      src/backend/catalog/toasting.c

4
src/backend/catalog/toasting.c
Unescape View File

@ -397,6 +397,7 @@ create_toast_table(Relation rel, Oid toastOid, Oid toastIndexOid,
* (1) there are any toastable attributes, and (2) the maximum length * (1) there are any toastable attributes, and (2) the maximum length
* of a tuple could exceed TOAST_TUPLE_THRESHOLD. (We don't want to * of a tuple could exceed TOAST_TUPLE_THRESHOLD. (We don't want to
* create a toast table for something like "f1 varchar(20)".) * create a toast table for something like "f1 varchar(20)".)
* No need to create a TOAST table for partitioned tables.
*/ */
static bool static bool
needs_toast_table(Relation rel) needs_toast_table(Relation rel)
@ -408,6 +409,9 @@ needs_toast_table(Relation rel)
int32 tuple_length; int32 tuple_length;
int i; int i;
if (rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
return false;
tupdesc = rel->rd_att; tupdesc = rel->rd_att;
for (i = 0; i < tupdesc->natts; i++) for (i = 0; i < tupdesc->natts; i++)

Write Preview
Loading…
Cancel
Save