@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $ Header : / cvsroot / pgsql / src / backend / catalog / index . c , v 1.117 2000 / 06 / 17 21 : 48 : 39 tgl Exp $
* $ Header : / cvsroot / pgsql / src / backend / catalog / index . c , v 1.118 2000 / 06 / 17 23 : 41 : 34 tgl Exp $
*
*
* INTERFACE ROUTINES
@ -72,9 +72,9 @@ static void UpdateIndexRelation(Oid indexoid, Oid heapoid,
AttrNumber * attNums , Oid * classOids , Node * predicate ,
List * attributeList , bool islossy , bool unique , bool primary ) ;
static void DefaultBuild ( Relation heapRelation , Relation indexRelation ,
int numberOfAttributes , AttrNumber * attributeNumber ,
IndexStrategy indexStrategy , uint16 parameterCount ,
Datum * parameter , FuncIndexInfoPtr funcInfo , PredInfo * predInfo ) ;
int numberOfAttributes , AttrNumber * attributeNumber ,
FuncIndexInfoPtr funcInfo , PredInfo * predInfo ,
bool unique , IndexStrategy indexStrategy ) ;
static Oid IndexGetRelation ( Oid indexId ) ;
static bool activate_index ( Oid indexId , bool activate ) ;
@ -952,8 +952,6 @@ index_create(char *heapRelationName,
int numatts ,
AttrNumber * attNums ,
Oid * classObjectId ,
uint16 parameterCount ,
Datum * parameter ,
Node * predicate ,
bool islossy ,
bool unique ,
@ -1086,13 +1084,13 @@ index_create(char *heapRelationName,
if ( IsBootstrapProcessingMode ( ) )
{
index_register ( heapRelationName , indexRelationName , numatts , attNums ,
parameterCount , parameter , funcInfo , predInfo ) ;
funcInfo , predInfo , unique ) ;
/* XXX shouldn't we close the heap and index rels here? */
}
else
{
index_build ( heapRelation , indexRelation , numatts , attNums ,
parameterCount , parameter , funcInfo , predInfo ) ;
funcInfo , predInfo , unique ) ;
}
}
@ -1706,6 +1704,11 @@ FillDummyExprContext(ExprContext *econtext,
/* ----------------
* DefaultBuild
*
* NB : this routine is dead code , and likely always has been , because
* there are no access methods that don ' t supply their own ambuild procedure .
*
* Anyone want to wager whether it would actually work if executed ?
* - - - - - - - - - - - - - - - -
*/
static void
@ -1713,11 +1716,10 @@ DefaultBuild(Relation heapRelation,
Relation indexRelation ,
int numberOfAttributes ,
AttrNumber * attributeNumber ,
IndexStrategy indexStrategy , /* not used */
uint16 parameterCount , /* not used */
Datum * parameter , /* not used */
FuncIndexInfoPtr funcInfo ,
PredInfo * predInfo )
PredInfo * predInfo ,
bool unique , /* not used */
IndexStrategy indexStrategy ) /* not used */
{
HeapScanDesc scan ;
HeapTuple heapTuple ;
@ -1925,10 +1927,9 @@ index_build(Relation heapRelation,
Relation indexRelation ,
int numberOfAttributes ,
AttrNumber * attributeNumber ,
uint16 parameterCount ,
Datum * parameter ,
FuncIndexInfo * funcInfo ,
PredInfo * predInfo )
PredInfo * predInfo ,
bool unique )
{
RegProcedure procedure ;
@ -1942,30 +1943,28 @@ index_build(Relation heapRelation,
procedure = indexRelation - > rd_am - > ambuild ;
/* ----------------
* use the access method build procedure if supplied . .
* use the access method build procedure if supplied , else default .
* - - - - - - - - - - - - - - - -
*/
if ( RegProcedureIsValid ( procedure ) )
OidFunctionCall9 ( procedure ,
OidFunctionCall8 ( procedure ,
PointerGetDatum ( heapRelation ) ,
PointerGetDatum ( indexRelation ) ,
Int32GetDatum ( numberOfAttributes ) ,
PointerGetDatum ( attributeNumber ) ,
PointerGetDatum ( RelationGetIndexStrategy ( indexRelation ) ) ,
UInt16GetDatum ( parameterCount ) ,
PointerGetDatum ( parameter ) ,
PointerGetDatum ( funcInfo ) ,
PointerGetDatum ( predInfo ) ) ;
PointerGetDatum ( predInfo ) ,
BoolGetDatum ( unique ) ,
PointerGetDatum ( RelationGetIndexStrategy ( indexRelation ) ) ) ;
else
DefaultBuild ( heapRelation ,
indexRelation ,
numberOfAttributes ,
attributeNumber ,
RelationGetIndexStrategy ( indexRelation ) ,
parameterCount ,
parameter ,
funcInfo ,
predInfo ) ;
predInfo ,
unique ,
RelationGetIndexStrategy ( indexRelation ) ) ;
}
/*
@ -2016,51 +2015,6 @@ IndexIsUnique(Oid indexId)
return index - > indisunique ;
}
/*
* IndexIsUniqueNoCache : same as above function , but don ' t use the
* system cache . if we are called from btbuild , the transaction
* that is adding the entry to pg_index has not been committed yet .
* the system cache functions will do a heap scan , but only with
* NowTimeQual , not SelfTimeQual , so it won ' t find tuples added
* by the current transaction ( which is good , because if the transaction
* is aborted , you don ' t want the tuples sitting around in the cache ) .
* so anyway , we have to do our own scan with SelfTimeQual .
* this is only called when a new index is created , so it ' s OK
* if it ' s slow .
*/
bool
IndexIsUniqueNoCache ( Oid indexId )
{
Relation pg_index ;
ScanKeyData skey [ 1 ] ;
HeapScanDesc scandesc ;
HeapTuple tuple ;
Form_pg_index index ;
bool isunique ;
pg_index = heap_openr ( IndexRelationName , AccessShareLock ) ;
ScanKeyEntryInitialize ( & skey [ 0 ] , ( bits16 ) 0x0 ,
Anum_pg_index_indexrelid ,
( RegProcedure ) F_OIDEQ ,
ObjectIdGetDatum ( indexId ) ) ;
scandesc = heap_beginscan ( pg_index , 0 , SnapshotSelf , 1 , skey ) ;
/* NO CACHE */
tuple = heap_getnext ( scandesc , 0 ) ;
if ( ! HeapTupleIsValid ( tuple ) )
elog ( ERROR , " IndexIsUniqueNoCache: can't find index id %u " , indexId ) ;
index = ( Form_pg_index ) GETSTRUCT ( tuple ) ;
Assert ( index - > indexrelid = = indexId ) ;
isunique = index - > indisunique ;
heap_endscan ( scandesc ) ;
heap_close ( pg_index , AccessShareLock ) ;
return isunique ;
}
/* ---------------------------------
* activate_index - - activate / deactivate the specified index .
@ -2102,6 +2056,7 @@ reindex_index(Oid indexId, bool force)
* funcInfo = NULL ;
int i ,
numberOfAttributes ;
bool unique ;
char * predString ;
bool old ;
@ -2121,6 +2076,7 @@ reindex_index(Oid indexId, bool force)
index = ( Form_pg_index ) GETSTRUCT ( indexTuple ) ;
heapId = index - > indrelid ;
procId = index - > indproc ;
unique = index - > indisunique ;
for ( i = 0 ; i < INDEX_MAX_KEYS ; i + + )
{
@ -2189,7 +2145,7 @@ reindex_index(Oid indexId, bool force)
/* Initialize the index and rebuild */
InitIndexStrategy ( numberOfAttributes , iRel , accessMethodId ) ;
index_build ( heapRelation , iRel , numberOfAttributes ,
attributeNumberA , 0 , NULL , funcInfo , predInfo ) ;
attributeNumberA , funcInfo , predInfo , unique ) ;
/*
* index_build will close both the heap and index relations ( but not
Tom Lane
26 years ago