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* new split algorithm (as proposed in http://archives.postgresql.org/pgsql-hackers/2006-06/msg00254.php)
  * possible call pickSplit() for second and below columns
  * add spl_(l|r)datum_exists to GIST_SPLITVEC -
    pickSplit should check its values to use already defined
    spl_(l|r)datum for splitting. pickSplit should set
    spl_(l|r)datum_exists to 'false' (if they was 'true') to
    signal to caller about using spl_(l|r)datum.
  * support for old pickSplit(): not very optimal
    but correct split
* remove 'bytes' field from GISTENTRY: in any case size of
  value is defined by it's type.
* split GIST_SPLITVEC to two structures: one for using in picksplit
  and second - for internal use.
* some code refactoring
* support of subsplit to rtree opclasses

TODO: add support of subsplit to contrib modules
This commit is contained in:
Teodor Sigaev
2006-06-28 12:00:14 +00:00
parent a1dc5c60bc
commit 1f7ef548ec
23 changed files with 266 additions and 645 deletions
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2
contrib/btree_gist/btree_inet.c
View File

@ -100,7 +100,7 @@ gbt_inet_compress(PG_FUNCTION_ARGS)
r->upper = r->lower;
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, sizeof(inetKEY), FALSE);
entry->offset, FALSE);
}
else
retval = entry;

4
contrib/btree_gist/btree_interval.c
View File

@ -129,7 +129,7 @@ gbt_intv_compress(PG_FUNCTION_ARGS)
}
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, 2 * INTERVALSIZE, FALSE);
entry->offset, FALSE);
}
PG_RETURN_POINTER(retval);
@ -153,7 +153,7 @@ gbt_intv_decompress(PG_FUNCTION_ARGS)
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, sizeof(intvKEY), FALSE);
entry->offset, FALSE);
}
PG_RETURN_POINTER(retval);
}

2
contrib/btree_gist/btree_text.c
View File

@ -115,7 +115,7 @@ gbt_bpchar_compress(PG_FUNCTION_ARGS)
gistentryinit(trim, d,
entry->rel, entry->page,
entry->offset, VARSIZE(DatumGetPointer(d)), TRUE);
entry->offset, TRUE);
retval = gbt_var_compress(&trim, &tinfo);
}
else

2
contrib/btree_gist/btree_time.c
View File

@ -137,7 +137,7 @@ gbt_timetz_compress(PG_FUNCTION_ARGS)
r->lower = r->upper = tmp;
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, sizeof(timeKEY), FALSE);
entry->offset, FALSE);
}
else
retval = entry;

2
contrib/btree_gist/btree_ts.c
View File

@ -159,7 +159,7 @@ gbt_tstz_compress(PG_FUNCTION_ARGS)
r->lower = r->upper = gmt;
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, sizeof(tsKEY), FALSE);
entry->offset, FALSE);
}
else
retval = entry;

2
contrib/btree_gist/btree_utils_num.c
View File

@ -46,7 +46,7 @@ gbt_num_compress(GISTENTRY *retval, GISTENTRY *entry, const gbtree_ninfo * tinfo
memcpy((void *) &r[tinfo->size], leaf, tinfo->size);
retval = palloc(sizeof(GISTENTRY));
gistentryinit(*retval, PointerGetDatum(r), entry->rel, entry->page,
entry->offset, (2 * tinfo->size), FALSE);
entry->offset, FALSE);
}
else
retval = entry;

4
contrib/btree_gist/btree_utils_var.c
View File

@ -19,7 +19,7 @@ gbt_var_decompress(PG_FUNCTION_ARGS)
gistentryinit(*retval, PointerGetDatum(key),
entry->rel, entry->page,
entry->offset, VARSIZE(key), FALSE);
entry->offset, FALSE);
PG_RETURN_POINTER(retval);
}
@ -292,7 +292,7 @@ gbt_var_compress(GISTENTRY *entry, const gbtree_vinfo * tinfo)
retval = palloc(sizeof(GISTENTRY));
gistentryinit(*retval, PointerGetDatum(r),
entry->rel, entry->page,
entry->offset, VARSIZE(r), TRUE);
entry->offset, TRUE);
}
else
retval = entry;