database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-09-03 15:22:11 +03:00
Code Activity

Parameter toast_tuple_target controls TOAST for new rows

Browse Source 
Specifies the point at which we try to move long column values
into TOAST tables.

No effect on existing rows.

Discussion: https://postgr.es/m/CANP8+jKsVmw6CX6YP9z7zqkTzcKV1+Uzr3XjKcZW=2Ya00OyQQ@mail.gmail.com

Author: Simon Riggs <simon@2ndQudrant.com>
Reviewed-by: Andrew Dunstan <andrew.dunstan@2ndQuadrant.com>
This commit is contained in:
Simon Riggs
2017-11-20 09:50:10 +11:00
parent 52f63bd916
commit c2513365a0
7 changed files with 110 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/include/utils/rel.h
View File

@@ -277,6 +277,7 @@ typedef struct StdRdOptions
{
int32 vl_len_; /* varlena header (do not touch directly!) */
int fillfactor; /* page fill factor in percent (0..100) */
int toast_tuple_target; /* target for tuple toasting */
AutoVacOpts autovacuum; /* autovacuum-related options */
bool user_catalog_table; /* use as an additional catalog relation */
int parallel_workers; /* max number of parallel workers */
@@ -285,6 +286,14 @@ typedef struct StdRdOptions
#define HEAP_MIN_FILLFACTOR 10
#define HEAP_DEFAULT_FILLFACTOR 100
/*
* RelationGetToastTupleTarget
* Returns the relation's toast_tuple_target. Note multiple eval of argument!
*/
#define RelationGetToastTupleTarget(relation, defaulttarg) \
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->toast_tuple_target : (defaulttarg))
/*
* RelationGetFillFactor
* Returns the relation's fillfactor. Note multiple eval of argument!