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Commit3534fa2

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Refactor code building relation options
Historically, the code to build relation options has been shaped thesame way in multiple code paths by using a set of datums in input withthe options parsed with a static table which is then filled with theoption values. This introduces a new common routine in reloptions.c todo most of the legwork for the in-core code paths.Author: Amit LangoteReviewed-by: Michael PaquierDiscussion:https://postgr.es/m/CA+HiwqGsoSn_uTPPYT19WrtR7oYpYtv4CdS0xuedTKiHHWuk_g@mail.gmail.com
1 parent5102f39 commit3534fa2

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7 files changed

+82
-133
lines changed

7 files changed

+82
-133
lines changed

‎contrib/bloom/blutils.c‎

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -475,18 +475,18 @@ BloomInitMetapage(Relation index)
475475
bytea*
476476
bloptions(Datumreloptions,boolvalidate)
477477
{
478-
relopt_value*options;
479-
intnumoptions;
480478
BloomOptions*rdopts;
481479

482480
/* Parse the user-given reloptions */
483-
options=parseRelOptions(reloptions,validate,bl_relopt_kind,&numoptions);
484-
rdopts=allocateReloptStruct(sizeof(BloomOptions),options,numoptions);
485-
fillRelOptions((void*)rdopts,sizeof(BloomOptions),options,numoptions,
486-
validate,bl_relopt_tab,lengthof(bl_relopt_tab));
481+
rdopts= (BloomOptions*)build_reloptions(reloptions,validate,
482+
bl_relopt_kind,
483+
sizeof(BloomOptions),
484+
bl_relopt_tab,
485+
lengthof(bl_relopt_tab));
487486

488487
/* Convert signature length from # of bits to # to words, rounding up */
489-
rdopts->bloomLength= (rdopts->bloomLength+SIGNWORDBITS-1) /SIGNWORDBITS;
488+
if (rdopts)
489+
rdopts->bloomLength= (rdopts->bloomLength+SIGNWORDBITS-1) /SIGNWORDBITS;
490490

491491
return (bytea*)rdopts;
492492
}

‎src/backend/access/brin/brin.c‎

Lines changed: 4 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -820,29 +820,15 @@ brinvacuumcleanup(IndexVacuumInfo *info, IndexBulkDeleteResult *stats)
820820
bytea*
821821
brinoptions(Datumreloptions,boolvalidate)
822822
{
823-
relopt_value*options;
824-
BrinOptions*rdopts;
825-
intnumoptions;
826823
staticconstrelopt_parse_elttab[]= {
827824
{"pages_per_range",RELOPT_TYPE_INT, offsetof(BrinOptions,pagesPerRange)},
828825
{"autosummarize",RELOPT_TYPE_BOOL, offsetof(BrinOptions,autosummarize)}
829826
};
830827

831-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_BRIN,
832-
&numoptions);
833-
834-
/* if none set, we're done */
835-
if (numoptions==0)
836-
returnNULL;
837-
838-
rdopts=allocateReloptStruct(sizeof(BrinOptions),options,numoptions);
839-
840-
fillRelOptions((void*)rdopts,sizeof(BrinOptions),options,numoptions,
841-
validate,tab,lengthof(tab));
842-
843-
pfree(options);
844-
845-
return (bytea*)rdopts;
828+
return (bytea*)build_reloptions(reloptions,validate,
829+
RELOPT_KIND_BRIN,
830+
sizeof(BrinOptions),
831+
tab,lengthof(tab));
846832
}
847833

848834
/*

‎src/backend/access/common/reloptions.c‎

Lines changed: 54 additions & 61 deletions
Original file line numberDiff line numberDiff line change
@@ -1474,9 +1474,6 @@ fillRelOptions(void *rdopts, Size basesize,
14741474
bytea*
14751475
default_reloptions(Datumreloptions,boolvalidate,relopt_kindkind)
14761476
{
1477-
relopt_value*options;
1478-
StdRdOptions*rdopts;
1479-
intnumoptions;
14801477
staticconstrelopt_parse_elttab[]= {
14811478
{"fillfactor",RELOPT_TYPE_INT, offsetof(StdRdOptions,fillfactor)},
14821479
{"autovacuum_enabled",RELOPT_TYPE_BOOL,
@@ -1521,20 +1518,57 @@ default_reloptions(Datum reloptions, bool validate, relopt_kind kind)
15211518
offsetof(StdRdOptions,vacuum_truncate)}
15221519
};
15231520

1521+
return (bytea*)build_reloptions(reloptions,validate,kind,
1522+
sizeof(StdRdOptions),
1523+
tab,lengthof(tab));
1524+
}
1525+
1526+
/*
1527+
* build_reloptions
1528+
*
1529+
* Parses "reloptions" provided by the caller, returning them in a
1530+
* structure containing the parsed options. The parsing is done with
1531+
* the help of a parsing table describing the allowed options, defined
1532+
* by "relopt_elems" of length "num_relopt_elems".
1533+
*
1534+
* "validate" must be true if reloptions value is freshly built by
1535+
* transformRelOptions(), as opposed to being read from the catalog, in which
1536+
* case the values contained in it must already be valid.
1537+
*
1538+
* NULL is returned if the passed-in options did not match any of the options
1539+
* in the parsing table, unless validate is true in which case an error would
1540+
* be reported.
1541+
*/
1542+
void*
1543+
build_reloptions(Datumreloptions,boolvalidate,
1544+
relopt_kindkind,
1545+
Sizerelopt_struct_size,
1546+
constrelopt_parse_elt*relopt_elems,
1547+
intnum_relopt_elems)
1548+
{
1549+
intnumoptions;
1550+
relopt_value*options;
1551+
void*rdopts;
1552+
1553+
/* parse options specific to given relation option kind */
15241554
options=parseRelOptions(reloptions,validate,kind,&numoptions);
1555+
Assert(numoptions <=num_relopt_elems);
15251556

15261557
/* if none set, we're done */
15271558
if (numoptions==0)
1559+
{
1560+
Assert(options==NULL);
15281561
returnNULL;
1562+
}
15291563

1530-
rdopts=allocateReloptStruct(sizeof(StdRdOptions),options,numoptions);
1531-
1532-
fillRelOptions((void*)rdopts,sizeof(StdRdOptions),options,numoptions,
1533-
validate,tab,lengthof(tab));
1564+
/* allocate and fill the structure */
1565+
rdopts=allocateReloptStruct(relopt_struct_size,options,numoptions);
1566+
fillRelOptions(rdopts,relopt_struct_size,options,numoptions,
1567+
validate,relopt_elems,num_relopt_elems);
15341568

15351569
pfree(options);
15361570

1537-
return(bytea*)rdopts;
1571+
returnrdopts;
15381572
}
15391573

15401574
/*
@@ -1543,30 +1577,17 @@ default_reloptions(Datum reloptions, bool validate, relopt_kind kind)
15431577
bytea*
15441578
view_reloptions(Datumreloptions,boolvalidate)
15451579
{
1546-
relopt_value*options;
1547-
ViewOptions*vopts;
1548-
intnumoptions;
15491580
staticconstrelopt_parse_elttab[]= {
15501581
{"security_barrier",RELOPT_TYPE_BOOL,
15511582
offsetof(ViewOptions,security_barrier)},
15521583
{"check_option",RELOPT_TYPE_ENUM,
15531584
offsetof(ViewOptions,check_option)}
15541585
};
15551586

1556-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_VIEW,&numoptions);
1557-
1558-
/* if none set, we're done */
1559-
if (numoptions==0)
1560-
returnNULL;
1561-
1562-
vopts=allocateReloptStruct(sizeof(ViewOptions),options,numoptions);
1563-
1564-
fillRelOptions((void*)vopts,sizeof(ViewOptions),options,numoptions,
1565-
validate,tab,lengthof(tab));
1566-
1567-
pfree(options);
1568-
1569-
return (bytea*)vopts;
1587+
return (bytea*)build_reloptions(reloptions,validate,
1588+
RELOPT_KIND_VIEW,
1589+
sizeof(ViewOptions),
1590+
tab,lengthof(tab));
15701591
}
15711592

15721593
/*
@@ -1628,29 +1649,15 @@ index_reloptions(amoptions_function amoptions, Datum reloptions, bool validate)
16281649
bytea*
16291650
attribute_reloptions(Datumreloptions,boolvalidate)
16301651
{
1631-
relopt_value*options;
1632-
AttributeOpts*aopts;
1633-
intnumoptions;
16341652
staticconstrelopt_parse_elttab[]= {
16351653
{"n_distinct",RELOPT_TYPE_REAL, offsetof(AttributeOpts,n_distinct)},
16361654
{"n_distinct_inherited",RELOPT_TYPE_REAL, offsetof(AttributeOpts,n_distinct_inherited)}
16371655
};
16381656

1639-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_ATTRIBUTE,
1640-
&numoptions);
1641-
1642-
/* if none set, we're done */
1643-
if (numoptions==0)
1644-
returnNULL;
1645-
1646-
aopts=allocateReloptStruct(sizeof(AttributeOpts),options,numoptions);
1647-
1648-
fillRelOptions((void*)aopts,sizeof(AttributeOpts),options,numoptions,
1649-
validate,tab,lengthof(tab));
1650-
1651-
pfree(options);
1652-
1653-
return (bytea*)aopts;
1657+
return (bytea*)build_reloptions(reloptions,validate,
1658+
RELOPT_KIND_ATTRIBUTE,
1659+
sizeof(AttributeOpts),
1660+
tab,lengthof(tab));
16541661
}
16551662

16561663
/*
@@ -1659,30 +1666,16 @@ attribute_reloptions(Datum reloptions, bool validate)
16591666
bytea*
16601667
tablespace_reloptions(Datumreloptions,boolvalidate)
16611668
{
1662-
relopt_value*options;
1663-
TableSpaceOpts*tsopts;
1664-
intnumoptions;
16651669
staticconstrelopt_parse_elttab[]= {
16661670
{"random_page_cost",RELOPT_TYPE_REAL, offsetof(TableSpaceOpts,random_page_cost)},
16671671
{"seq_page_cost",RELOPT_TYPE_REAL, offsetof(TableSpaceOpts,seq_page_cost)},
16681672
{"effective_io_concurrency",RELOPT_TYPE_INT, offsetof(TableSpaceOpts,effective_io_concurrency)}
16691673
};
16701674

1671-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_TABLESPACE,
1672-
&numoptions);
1673-
1674-
/* if none set, we're done */
1675-
if (numoptions==0)
1676-
returnNULL;
1677-
1678-
tsopts=allocateReloptStruct(sizeof(TableSpaceOpts),options,numoptions);
1679-
1680-
fillRelOptions((void*)tsopts,sizeof(TableSpaceOpts),options,numoptions,
1681-
validate,tab,lengthof(tab));
1682-
1683-
pfree(options);
1684-
1685-
return (bytea*)tsopts;
1675+
return (bytea*)build_reloptions(reloptions,validate,
1676+
RELOPT_KIND_TABLESPACE,
1677+
sizeof(TableSpaceOpts),
1678+
tab,lengthof(tab));
16861679
}
16871680

16881681
/*

‎src/backend/access/gin/ginutil.c‎

Lines changed: 4 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -602,30 +602,16 @@ ginExtractEntries(GinState *ginstate, OffsetNumber attnum,
602602
bytea*
603603
ginoptions(Datumreloptions,boolvalidate)
604604
{
605-
relopt_value*options;
606-
GinOptions*rdopts;
607-
intnumoptions;
608605
staticconstrelopt_parse_elttab[]= {
609606
{"fastupdate",RELOPT_TYPE_BOOL, offsetof(GinOptions,useFastUpdate)},
610607
{"gin_pending_list_limit",RELOPT_TYPE_INT, offsetof(GinOptions,
611608
pendingListCleanupSize)}
612609
};
613610

614-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_GIN,
615-
&numoptions);
616-
617-
/* if none set, we're done */
618-
if (numoptions==0)
619-
returnNULL;
620-
621-
rdopts=allocateReloptStruct(sizeof(GinOptions),options,numoptions);
622-
623-
fillRelOptions((void*)rdopts,sizeof(GinOptions),options,numoptions,
624-
validate,tab,lengthof(tab));
625-
626-
pfree(options);
627-
628-
return (bytea*)rdopts;
611+
return (bytea*)build_reloptions(reloptions,validate,
612+
RELOPT_KIND_GIN,
613+
sizeof(GinOptions),
614+
tab,lengthof(tab));
629615
}
630616

631617
/*

‎src/backend/access/gist/gistutil.c‎

Lines changed: 4 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -908,29 +908,15 @@ gistPageRecyclable(Page page)
908908
bytea*
909909
gistoptions(Datumreloptions,boolvalidate)
910910
{
911-
relopt_value*options;
912-
GiSTOptions*rdopts;
913-
intnumoptions;
914911
staticconstrelopt_parse_elttab[]= {
915912
{"fillfactor",RELOPT_TYPE_INT, offsetof(GiSTOptions,fillfactor)},
916913
{"buffering",RELOPT_TYPE_ENUM, offsetof(GiSTOptions,buffering_mode)}
917914
};
918915

919-
options=parseRelOptions(reloptions,validate,RELOPT_KIND_GIST,
920-
&numoptions);
921-
922-
/* if none set, we're done */
923-
if (numoptions==0)
924-
returnNULL;
925-
926-
rdopts=allocateReloptStruct(sizeof(GiSTOptions),options,numoptions);
927-
928-
fillRelOptions((void*)rdopts,sizeof(GiSTOptions),options,numoptions,
929-
validate,tab,lengthof(tab));
930-
931-
pfree(options);
932-
933-
return (bytea*)rdopts;
916+
return (bytea*)build_reloptions(reloptions,validate,
917+
RELOPT_KIND_GIST,
918+
sizeof(GiSTOptions),
919+
tab,lengthof(tab));
934920
}
935921

936922
/*

‎src/include/access/reloptions.h‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -296,6 +296,11 @@ extern void fillRelOptions(void *rdopts, Size basesize,
296296
relopt_value*options,intnumoptions,
297297
boolvalidate,
298298
constrelopt_parse_elt*elems,intnelems);
299+
externvoid*build_reloptions(Datumreloptions,boolvalidate,
300+
relopt_kindkind,
301+
Sizerelopt_struct_size,
302+
constrelopt_parse_elt*relopt_elems,
303+
intnum_relopt_elems);
299304

300305
externbytea*default_reloptions(Datumreloptions,boolvalidate,
301306
relopt_kindkind);

‎src/test/modules/dummy_index_am/dummy_index_am.c‎

Lines changed: 4 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -222,17 +222,10 @@ dicostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
222222
staticbytea*
223223
dioptions(Datumreloptions,boolvalidate)
224224
{
225-
relopt_value*options;
226-
intnumoptions;
227-
DummyIndexOptions*rdopts;
228-
229-
/* Parse the user-given reloptions */
230-
options=parseRelOptions(reloptions,validate,di_relopt_kind,&numoptions);
231-
rdopts=allocateReloptStruct(sizeof(DummyIndexOptions),options,numoptions);
232-
fillRelOptions((void*)rdopts,sizeof(DummyIndexOptions),options,numoptions,
233-
validate,di_relopt_tab,lengthof(di_relopt_tab));
234-
235-
return (bytea*)rdopts;
225+
return (bytea*)build_reloptions(reloptions,validate,
226+
di_relopt_kind,
227+
sizeof(DummyIndexOptions),
228+
di_relopt_tab,lengthof(di_relopt_tab));
236229
}
237230

238231
/*

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