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Improvements from Heikki Linnakangas <heikki@enterprisedb.com>

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- change the alignment requirement of lexemes in TSVector slightly.
Lexeme strings were always padded to 2-byte aligned length to make sure
that if there's position array (uint16[]) it has the right alignment.
The patch changes that so that the padding is not done when there's no
positions. That makes the storage of tsvectors without positions
slightly more compact.

- added some #include "miscadmin.h" lines I missed in the earlier when I
added calls to check_stack_depth().

- Reimplement the send/recv functions, and added a comment
above them describing the on-wire format. The CRC is now recalculated in
tsquery as well per previous discussion.
This commit is contained in:
Teodor Sigaev
2007-09-07 16:03:40 +00:00
parent 8983852e34
commit 978de9d06d
9 changed files with 276 additions and 209 deletions
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6
src/backend/utils/adt/tsginidx.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/tsginidx.c,v 1.2 2007/09/07 15:09:56 teodor Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/tsginidx.c,v 1.3 2007/09/07 16:03:40 teodor Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,7 +22,7 @@ Datum
gin_extract_tsvector(PG_FUNCTION_ARGS)
{
TSVector vector = PG_GETARG_TSVECTOR(0);
uint32 *nentries = (uint32 *) PG_GETARG_POINTER(1);
int32 *nentries = (int32 *) PG_GETARG_POINTER(1);
Datum *entries = NULL;
*nentries = 0;
@@ -55,7 +55,7 @@ Datum
gin_extract_query(PG_FUNCTION_ARGS)
{
TSQuery query = PG_GETARG_TSQUERY(0);
uint32 *nentries = (uint32 *) PG_GETARG_POINTER(1);
int32 *nentries = (int32 *) PG_GETARG_POINTER(1);
StrategyNumber strategy = PG_GETARG_UINT16(2);
Datum *entries = NULL;