#endif
#include "access/heapam.h"
#include "catalog/index.h"
+#if PG_VERSION_NUM >= 90600
+#include <catalog/pg_am.h>
+#endif
#include "miscadmin.h"
#include "storage/lmgr.h"
#include "catalog/namespace.h"
#if PG_VERSION_NUM >= 80300
#include <tsearch/ts_utils.h>
#endif
+#if PG_VERSION_NUM >= 100000
+#include <utils/regproc.h>
+#include <utils/varlena.h>
+#endif
#include <utils/tqual.h>
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include <access/relscan.h>
-#define PAGESIZE (BLCKSZ - MAXALIGN(sizeof(PageHeaderData) + sizeof(ItemIdData)))
+#define PAGESIZE (BLCKSZ - MAXALIGN(sizeof(PageHeaderData) + sizeof(ItemIdData)))
#ifndef PG_NARGS
#define PG_NARGS() (fcinfo->nargs)
#endif
+#if PG_VERSION_NUM >= 90600
+#define ISNULL true
+#define ISNOTNULL false
+#define heap_formtuple heap_form_tuple
+#else
+#define ISNULL 'n'
+#define ISNOTNULL ' '
+#endif
+
static char
*t2c(text* in) {
- char *out=palloc( VARSIZE(in) );
- memcpy(out, VARDATA(in), VARSIZE(in)-VARHDRSZ);
- out[ VARSIZE(in)-VARHDRSZ ] ='\0';
- return out;
+ char *out=palloc(VARSIZE(in));
+
+ memcpy(out, VARDATA(in), VARSIZE(in)-VARHDRSZ);
+ out[ VARSIZE(in)-VARHDRSZ ] ='\0';
+ return out;
}
typedef struct {
int maxlevel;
text *txt;
char *ptr;
- int len;
+ int len;
} IdxInfo;
static Relation checkOpenedRelation(Relation r, Oid PgAmOid);
#ifdef PG_MODULE_MAGIC
-/* >= 8.2 */
+/* >= 8.2 */
PG_MODULE_MAGIC;
static Relation
gist_index_open(RangeVar *relvar) {
-#if PG_VERSION_NUM < 90200
+#if PG_VERSION_NUM < 90200
Oid relOid = RangeVarGetRelid(relvar, false);
#else
Oid relOid = RangeVarGetRelid(relvar, NoLock, false);
static Relation
gin_index_open(RangeVar *relvar) {
-#if PG_VERSION_NUM < 90200
+#if PG_VERSION_NUM < 90200
Oid relOid = RangeVarGetRelid(relvar, false);
#else
Oid relOid = RangeVarGetRelid(relvar, NoLock, false);
#define SET_VARSIZE(p,l) VARATT_SIZEP(p)=(l)
#endif
-static Relation
+static Relation
checkOpenedRelation(Relation r, Oid PgAmOid) {
- if ( r->rd_am == NULL )
+ if ( r->rd_index == NULL )
elog(ERROR, "Relation %s.%s is not an index",
get_namespace_name(RelationGetNamespace(r)),
RelationGetRelationName(r)
get_namespace_name(RelationGetNamespace(r)),
RelationGetRelationName(r)
);
-
+
return r;
}
info->ptr = ((char*)info->txt)+dist;
}
- sprintf(info->ptr, "%s%d(l:%d) blk: %u numTuple: %d free: %db(%.2f%%) rightlink:%u (%s)\n",
+ sprintf(info->ptr, "%s%d(l:%d) blk: %u numTuple: %d free: %db(%.2f%%) rightlink:%u (%s)\n",
pred,
- coff,
- level,
+ coff,
+ level,
blk,
- (int) maxoff,
- (int) PageGetFreeSpace(page),
+ (int) maxoff,
+ (int) PageGetFreeSpace(page),
100.0*(((float)PAGESIZE)-(float)PageGetFreeSpace(page))/((float)PAGESIZE),
GistPageGetOpaque(page)->rightlink,
( GistPageGetOpaque(page)->rightlink == InvalidBlockNumber ) ? "InvalidBlockNumber" : "OK" );
index = gist_index_open(relvar);
PG_FREE_IF_COPY(name,0);
- info.maxlevel = ( PG_NARGS() > 1 ) ? PG_GETARG_INT32(1) : -1;
+ info.maxlevel = ( PG_NARGS() > 1 ) ? PG_GETARG_INT32(1) : -1;
info.len=1024;
info.txt=(text*)palloc( info.len );
info.ptr=((char*)info.txt)+VARHDRSZ;
}
typedef struct {
- int level;
- int numpages;
- int numleafpages;
- int numtuple;
- int numinvalidtuple;
- int numleaftuple;
+ int level;
+ int numpages;
+ int numleafpages;
+ int numtuple;
+ int numinvalidtuple;
+ int numleaftuple;
uint64 tuplesize;
uint64 leaftuplesize;
uint64 totalsize;
gist_index_close(index);
pfree(relname);
- sprintf(ptr,
+ sprintf(ptr,
"Number of levels: %d\n"
"Number of pages: %d\n"
"Number of leaf pages: %d\n"
info.totalsize);
ptr=strchr(ptr,'\0');
-
+
SET_VARSIZE(out, ptr-((char*)out));
PG_RETURN_POINTER(out);
}
RangeVar *relvar;
Relation index;
Datum *dvalues;
+#if PG_VERSION_NUM >= 90600
+ bool *nulls;
+#else
char *nulls;
+#endif
GPItem *item;
} TypeStorage;
GPItem *nitem;
MemoryContext oldcontext;
Relation index = ( (TypeStorage*)(funcctx->user_fctx) )->index;
-
+
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
nitem = (GPItem*)palloc( sizeof(GPItem) );
memset(nitem,0,sizeof(GPItem));
nitem->page = (Page) BufferGetPage(nitem->buffer);
nitem->offset=FirstOffsetNumber;
nitem->next = ( (TypeStorage*)(funcctx->user_fctx) )->item;
- nitem->level = ( nitem->next ) ? nitem->next->level+1 : 1;
+ nitem->level = ( nitem->next ) ? nitem->next->level+1 : 1;
( (TypeStorage*)(funcctx->user_fctx) )->item = nitem;
MemoryContextSwitchTo(oldcontext);
return nitem;
-}
+}
static GPItem*
closeGPPage( FuncCallContext *funcctx ) {
GPItem *oitem = ( (TypeStorage*)(funcctx->user_fctx) )->item;
( (TypeStorage*)(funcctx->user_fctx) )->item = oitem->next;
-
+
ReleaseBuffer(oitem->buffer);
pfree( oitem );
- return ( (TypeStorage*)(funcctx->user_fctx) )->item;
+ return ( (TypeStorage*)(funcctx->user_fctx) )->item;
}
+#if PG_VERSION_NUM >= 110000
+#define TS_GET_TYPEVAL(s, i, v) (s)->index->rd_att->attrs[(i)].v
+#else
+#define TS_GET_TYPEVAL(s, i, v) (s)->index->rd_att->attrs[(i)]->v
+#endif
+
static void
setup_firstcall(FuncCallContext *funcctx, text *name) {
MemoryContext oldcontext;
tupdesc,
i+3,
attname,
- st->index->rd_att->attrs[i]->atttypid,
- st->index->rd_att->attrs[i]->atttypmod,
- st->index->rd_att->attrs[i]->attndims
+ TS_GET_TYPEVAL(st, i, atttypid),
+ TS_GET_TYPEVAL(st, i, atttypmod),
+ TS_GET_TYPEVAL(st, i, attndims)
);
}
st->dvalues = (Datum *) palloc((tupdesc->natts+2) * sizeof(Datum));
- st->nulls = (char *) palloc((tupdesc->natts+2) * sizeof(char));
+ st->nulls = palloc((tupdesc->natts+2) * sizeof(*st->nulls));
funcctx->slot = TupleDescGetSlot(tupdesc);
funcctx->attinmeta = TupleDescGetAttInMetadata(tupdesc);
pfree(relname);
st->item=openGPPage(funcctx, GIST_ROOT_BLKNO);
-}
+}
-static void
+static void
close_call( FuncCallContext *funcctx ) {
TypeStorage *st = (TypeStorage*)(funcctx->user_fctx);
-
- while( st->item && closeGPPage(funcctx) );
-
- pfree( st->dvalues );
- pfree( st->nulls );
+
+ while(st->item && closeGPPage(funcctx));
+
+ pfree(st->dvalues);
+ pfree(st->nulls);
gist_index_close(st->index);
}
PG_FREE_IF_COPY(name,0);
}
- funcctx = SRF_PERCALL_SETUP();
+ funcctx = SRF_PERCALL_SETUP();
st = (TypeStorage*)(funcctx->user_fctx);
if ( !st->item ) {
if ( ! closeGPPage(funcctx) ) {
close_call(funcctx);
SRF_RETURN_DONE(funcctx);
- }
+ }
}
iid = PageGetItemId( st->item->page, st->item->offset );
ituple = (IndexTuple) PageGetItem(st->item->page, iid);
st->dvalues[0] = Int32GetDatum( st->item->level );
- st->nulls[0] = ' ';
+ st->nulls[0] = ISNOTNULL;
st->dvalues[1] = BoolGetDatum( (!GistPageIsLeaf(st->item->page) && GistTupleIsInvalid(ituple)) ? false : true );
- st->nulls[1] = ' ';
+ st->nulls[1] = ISNOTNULL;
for(i=2; i<funcctx->attinmeta->tupdesc->natts; i++) {
if ( !GistPageIsLeaf(st->item->page) && GistTupleIsInvalid(ituple) ) {
st->dvalues[i] = (Datum)0;
- st->nulls[i] = 'n';
+ st->nulls[i] = ISNULL;
} else {
- st->dvalues[i] = index_getattr(ituple, i-1, st->index->rd_att, &isnull);
- st->nulls[i] = ( isnull ) ? 'n' : ' ';
+ st->dvalues[i] = index_getattr(ituple, i-1, st->index->rd_att, &isnull);
+ st->nulls[i] = ( isnull ) ? ISNULL : ISNOTNULL;
}
}
GinNullCategory category;
#endif
Datum dvalues[2];
+#if PG_VERSION_NUM >= 110000
+ bool nulls[2];
+#else
char nulls[2];
+#endif
} GinStatState;
static bool
/*
* We scaned the whole page, so we should take right page
*/
- BlockNumber blkno = GinPageGetOpaque(page)->rightlink;
+ BlockNumber blkno = GinPageGetOpaque(page)->rightlink;
if ( GinPageRightMost(page) )
return false; /* no more page */
}
/*
- * Refinds a previois position, at returns it has correctly
+ * Refinds a previois position, at returns it has correctly
* set offset and buffer is locked
*/
static bool
refindPosition(GinStatState *st)
{
- Page page;
+ Page page;
/* find left if needed (it causes only for first search) */
for (;;) {
}
for(;;) {
- int cmp;
+ int cmp;
#if PG_VERSION_NUM >= 90100
GinNullCategory category;
#elif PG_VERSION_NUM < 80400
bool isnull = false;
#endif
Datum datum;
- IndexTuple itup;
+ IndexTuple itup;
if (moveRightIfItNeeded(st)==false)
return false;
#endif
if ( cmp == 0 )
{
- if ( !st->index->rd_att->attrs[st->attnum]->attbyval )
+ if ( st->curval && !TS_GET_TYPEVAL(st, st->attnum, attbyval) )
pfree( (void*) st->curval );
return true;
}
funcctx->user_fctx = (void*)st;
tupdesc = CreateTemplateTupleDesc(2, false);
- TupleDescInitEntry(tupdesc, 1, "value",
- st->index->rd_att->attrs[st->attnum]->atttypid,
- st->index->rd_att->attrs[st->attnum]->atttypmod,
- st->index->rd_att->attrs[st->attnum]->attndims);
+ TupleDescInitEntry(tupdesc, 1, "value",
+ TS_GET_TYPEVAL(st, st->attnum, atttypid),
+ TS_GET_TYPEVAL(st, st->attnum, atttypmod),
+ TS_GET_TYPEVAL(st, st->attnum, attndims));
TupleDescInitEntry(tupdesc, 2, "nrow", INT4OID, -1, 0);
- memset( st->nulls, ' ', 2*sizeof(char) );
+ memset( st->nulls, ISNOTNULL, 2*sizeof(*st->nulls) );
funcctx->slot = TupleDescGetSlot(tupdesc);
funcctx->attinmeta = TupleDescGetAttInMetadata(tupdesc);
static void
processTuple( FuncCallContext *funcctx, GinStatState *st, IndexTuple itup ) {
- MemoryContext oldcontext;
-#if PG_VERSION_NUM < 80400
+ MemoryContext oldcontext;
+#if PG_VERSION_NUM >= 90100
+ Datum key;
+#elif PG_VERSION_NUM < 80400
bool isnull;
#endif
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
+
+#if PG_VERSION_NUM >= 90100
+ key = gintuple_get_key(&st->ginstate, itup, &st->category);
+
+ if (st->category != GIN_CAT_NORM_KEY)
+ st->curval = (Datum)0;
+ else
+#endif
st->curval = datumCopy(
#if PG_VERSION_NUM >= 90100
- gintuple_get_key(&st->ginstate, itup, &st->category),
+ key,
#elif PG_VERSION_NUM >= 80400
gin_index_getattr(&st->ginstate, itup),
#else
index_getattr(itup, FirstOffsetNumber, st->ginstate.tupdesc, &isnull),
#endif
- st->index->rd_att->attrs[st->attnum]->attbyval,
- st->index->rd_att->attrs[st->attnum]->attlen );
+ TS_GET_TYPEVAL(st, st->attnum, attbyval),
+ TS_GET_TYPEVAL(st, st->attnum, attlen));
MemoryContextSwitchTo(oldcontext);
st->dvalues[0] = st->curval;
#if PG_VERSION_NUM >= 90100
/* do no distiguish various null category */
- st->nulls[0] = (st->category == GIN_CAT_NORM_KEY) ? ' ' : 'n';
+ st->nulls[0] = (st->category == GIN_CAT_NORM_KEY) ? ISNOTNULL : ISNULL;
#endif
-
+
if ( GinIsPostingTree(itup) ) {
BlockNumber rootblkno = GinGetPostingTree(itup);
#if PG_VERSION_NUM >= 90400
- GinBtreeData btree, *gdi = &btree;
+ GinBtreeData btree;
GinBtreeStack *stack;
+ ItemPointerData minItem;
+ int nlist;
+ ItemPointer list;
#else
GinPostingTreeScan *gdi;
- Buffer entrybuffer;
+ Buffer entrybuffer;
#endif
Page page;
uint32 predictNumber;
LockBuffer(st->buffer, GIN_UNLOCK);
#if PG_VERSION_NUM >= 90400
- ginPrepareDataScan(gdi, st->index, rootblkno);
- stack = ginScanBeginPostingTree(gdi, st->index, rootblkno);
+ stack = ginScanBeginPostingTree(&btree, st->index, rootblkno
+#if PG_VERSION_NUM >= 90600
+ , NULL
+#endif
+ );
page = BufferGetPage(stack->buffer);
+ ItemPointerSetMin(&minItem);
+ list = GinDataLeafPageGetItems(page, &nlist, minItem);
+ pfree(list);
predictNumber = stack->predictNumber;
+ st->dvalues[1] = Int32GetDatum( predictNumber * nlist );
#elif PG_VERSION_NUM >= 90100
gdi = ginPrepareScanPostingTree(st->index, rootblkno, TRUE);
entrybuffer = ginScanBeginPostingTree(gdi);
page = BufferGetPage(entrybuffer);
predictNumber = gdi->stack->predictNumber;
+ st->dvalues[1] = Int32GetDatum( predictNumber * GinPageGetOpaque(page)->maxoff );
#else
gdi = prepareScanPostingTree(st->index, rootblkno, TRUE);
entrybuffer = scanBeginPostingTree(gdi);
page = BufferGetPage(entrybuffer);
predictNumber = gdi->stack->predictNumber;
-#endif
-
st->dvalues[1] = Int32GetDatum( predictNumber * GinPageGetOpaque(page)->maxoff );
+#endif
#if PG_VERSION_NUM < 90400
LockBuffer(entrybuffer, GIN_UNLOCK);
freeGinBtreeStack(gdi->stack);
pfree(gdi);
#else
+ LockBuffer(stack->buffer, GIN_UNLOCK);
freeGinBtreeStack(stack);
#endif
} else {
PG_FREE_IF_COPY(name,0);
}
- funcctx = SRF_PERCALL_SETUP();
+ funcctx = SRF_PERCALL_SETUP();
st = (GinStatState*)(funcctx->user_fctx);
if ( refindPosition(st) == false ) {
for(;;) {
st->offset++;
-
- if (moveRightIfItNeeded(st)==false) {
+
+ if (moveRightIfItNeeded(st)==false) {
UnlockReleaseBuffer( st->buffer );
gin_index_close(st->index);
}
page = BufferGetPage(st->buffer);
- ituple = (IndexTuple) PageGetItem(page, PageGetItemId(page, st->offset));
+ ituple = (IndexTuple) PageGetItem(page, PageGetItemId(page, st->offset));
#if PG_VERSION_NUM >= 80400
if (st->attnum + 1 == gintuple_get_attrnum(&st->ginstate, ituple))
}
processTuple( funcctx, st, ituple );
-
+
htuple = heap_formtuple(funcctx->attinmeta->tupdesc, st->dvalues, st->nulls);
result = TupleGetDatum(funcctx->slot, htuple);
#if PG_VERSION_NUM >= 80300
Datum
gin_count_estimate(PG_FUNCTION_ARGS) {
- text *name=PG_GETARG_TEXT_P(0);
- Relation index;
+ text *name=PG_GETARG_TEXT_P(0);
+ Relation index;
IndexScanDesc scan;
int64 count = 0;
- char *relname=t2c(name);
+ char *relname=t2c(name);
ScanKeyData key;
#if PG_VERSION_NUM >= 80400
- TIDBitmap *bitmap = tbm_create(work_mem * 1024L);
+ TIDBitmap *bitmap = tbm_create(work_mem * 1024L
+#if PG_VERSION_NUM >= 100000
+ , NULL
+#endif
+ );
#else
#define MAXTIDS 1024
ItemPointerData tids[MAXTIDS];
elog(ERROR, "Column type is not a tsvector");
}
- key.sk_flags = 0;
- key.sk_attno = 1;
+ key.sk_flags = 0;
+ key.sk_attno = 1;
key.sk_strategy = TSearchStrategyNumber;
key.sk_subtype = 0;
key.sk_argument = PG_GETARG_DATUM(1);
#if PG_VERSION_NUM >= 90100
#if PG_VERSION_NUM >= 90400
- scan = index_beginscan_bitmap(index, GetTransactionSnapshot(), 1);
+ scan = index_beginscan_bitmap(index, SnapshotSelf, 1);
#else
scan = index_beginscan_bitmap(index, SnapshotNow, 1);
#endif
leafPages = 0,
emptyPages = 0,
deletedPages = 0;
- double usedSpace = 0.0;
+ double usedSpace = 0.0,
+ usedLeafSpace = 0.0,
+ usedInnerSpace = 0.0;
char res[1024];
int bufferSize = -1;
int64 innerTuples = 0,
pageFree = PageGetExactFreeSpace(page);
usedSpace += bufferSize - pageFree;
+ if (SpGistPageIsLeaf(page))
+ usedLeafSpace += bufferSize - pageFree;
+ else
+ usedInnerSpace += bufferSize - pageFree;
if (pageFree == bufferSize)
emptyPages++;
"leafPages: %u\n"
"emptyPages: %u\n"
"usedSpace: %.2f kbytes\n"
+ "usedInnerSpace: %.2f kbytes\n"
+ "usedLeafSpace: %.2f kbytes\n"
"freeSpace: %.2f kbytes\n"
"fillRatio: %.2f%%\n"
"leafTuples: " INT64_FORMAT "\n"
"innerRedirects: " INT64_FORMAT,
totalPages, deletedPages, innerPages, leafPages, emptyPages,
usedSpace / 1024.0,
- (((double) bufferSize) * ((double) totalPages) - usedSpace) / 1024,
- 100.0 * (usedSpace / (((double) bufferSize) * ((double) totalPages))),
+ usedInnerSpace / 1024.0,
+ usedLeafSpace / 1024.0,
+ (((double) bufferSize) * ((double) totalPages) - usedSpace) / 1024,
+ 100.0 * (usedSpace / (((double) bufferSize) * ((double) totalPages))),
leafTuples, innerTuples, nAllTheSame,
nLeafPlaceholder, nInnerPlaceholder,
nLeafRedirect, nInnerRedirect);
#if PG_VERSION_NUM >= 90200
typedef struct SPGistPrintStackElem {
- ItemPointerData iptr;
+ ItemPointerData iptr;
int16 nlabel;
int level;
} SPGistPrintStackElem;
typedef struct SPGistPrint {
SpGistState state;
- Relation index;
- Datum dvalues[7 /* see CreateTemplateTupleDesc call */];
- char nulls[7 /* see CreateTemplateTupleDesc call */];
+ Relation index;
+ Datum dvalues[8 /* see CreateTemplateTupleDesc call */];
+#if PG_VERSION_NUM >= 110000
+ bool nulls[8];
+#else
+ char nulls[8];
+#endif
List *stack;
} SPGistPrint;
e->iptr = *ip;
e->nlabel = 0;
e->level = level;
- prst->stack = lcons(e, prst->stack);
+ prst->stack = lcons(e, prst->stack);
MemoryContextSwitchTo(oldcontext);
}
MemoryContext oldcontext;
if (SRF_IS_FIRSTCALL()) {
- text *name=PG_GETARG_TEXT_P(0);
- RangeVar *relvar;
+ text *name=PG_GETARG_TEXT_P(0);
+ RangeVar *relvar;
Relation index;
ItemPointerData ipd;
TupleDesc tupdesc;
prst->index = index;
initSpGistState(&prst->state, index);
- tupdesc = CreateTemplateTupleDesc(3 /* types */ + 1 /* level */ + 1 /* nlabel */ + 2 /* tids */, false);
+ tupdesc = CreateTemplateTupleDesc(3 /* types */ + 1 /* level */ + 1 /* nlabel */ + 2 /* tids */ + 1, false);
TupleDescInitEntry(tupdesc, 1, "tid", TIDOID, -1, 0);
- TupleDescInitEntry(tupdesc, 2, "node", INT4OID, -1, 0);
- TupleDescInitEntry(tupdesc, 3, "level", INT4OID, -1, 0);
- TupleDescInitEntry(tupdesc, 4, "tid_pointer", TIDOID, -1, 0);
- TupleDescInitEntry(tupdesc, 5, "prefix",
+ TupleDescInitEntry(tupdesc, 2, "allthesame", BOOLOID, -1, 0);
+ TupleDescInitEntry(tupdesc, 3, "node", INT4OID, -1, 0);
+ TupleDescInitEntry(tupdesc, 4, "level", INT4OID, -1, 0);
+ TupleDescInitEntry(tupdesc, 5, "tid_pointer", TIDOID, -1, 0);
+ TupleDescInitEntry(tupdesc, 6, "prefix",
(prst->state.attPrefixType.type == VOIDOID) ? INT4OID : prst->state.attPrefixType.type, -1, 0);
- TupleDescInitEntry(tupdesc, 6, "label",
+ TupleDescInitEntry(tupdesc, 7, "label",
(prst->state.attLabelType.type == VOIDOID) ? INT4OID : prst->state.attLabelType.type, -1, 0);
- TupleDescInitEntry(tupdesc, 7, "leaf",
+ TupleDescInitEntry(tupdesc, 8, "leaf",
(prst->state.attType.type == VOIDOID) ? INT4OID : prst->state.attType.type, -1, 0);
funcctx->slot = TupleDescGetSlot(tupdesc);
PG_FREE_IF_COPY(name,0);
}
- funcctx = SRF_PERCALL_SETUP();
+ funcctx = SRF_PERCALL_SETUP();
prst = (SPGistPrint*)(funcctx->user_fctx);
next:
tid = palloc(sizeof(ItemPointerData));
*tid = s->iptr;
prst->dvalues[0] = PointerGetDatum(tid);
- prst->nulls[0] = ' ';
- prst->nulls[1] = 'n';
- prst->dvalues[2] = s->level;
- prst->nulls[2] = ' ';
- prst->nulls[3] = 'n';
- prst->nulls[4] = 'n';
- prst->nulls[5] = 'n';
- prst->dvalues[6] = datumCopy(SGLTDATUM(leafTuple, &prst->state),
- prst->state.attType.attbyval, prst->state.attType.attlen);
- prst->nulls[6] = ' ';
+ prst->nulls[0] = ISNOTNULL;
+ prst->nulls[1] = ISNULL;
+ prst->nulls[2] = ISNULL;
+ prst->dvalues[3] = s->level;
+ prst->nulls[3] = ISNOTNULL;
+ prst->nulls[4] = ISNULL;
+ prst->nulls[5] = ISNULL;
+ prst->nulls[6] = ISNULL;
+ prst->dvalues[7] = datumCopy(SGLTDATUM(leafTuple, &prst->state),
+ prst->state.attType.attbyval, prst->state.attType.attlen);
+ prst->nulls[7] = ISNOTNULL;
} else {
SpGistInnerTuple innerTuple = (SpGistInnerTuple)dtuple;
- int i;
+ int i;
SpGistNodeTuple node;
SGITITERATE(innerTuple, i, node) {
tid = palloc(sizeof(ItemPointerData));
*tid = s->iptr;
prst->dvalues[0] = PointerGetDatum(tid);
- prst->nulls[0] = ' ';
- prst->dvalues[1] = Int32GetDatum(s->nlabel);
- prst->nulls[1] = ' ';
- prst->dvalues[2] = s->level;
- prst->nulls[2] = ' ';
+ prst->nulls[0] = ISNOTNULL;
+ prst->dvalues[1] = innerTuple->allTheSame;
+ prst->nulls[1] = ISNOTNULL;
+ prst->dvalues[2] = Int32GetDatum(s->nlabel);
+ prst->nulls[2] = ISNOTNULL;
+ prst->dvalues[3] = s->level;
+ prst->nulls[3] = ISNOTNULL;
tid = palloc(sizeof(ItemPointerData));
*tid = node->t_tid;
- prst->dvalues[3] = PointerGetDatum(tid);
- prst->nulls[3] = ' ';
- if (prst->state.attPrefixType.attbyval != VOIDOID && innerTuple->prefixSize > 0) {
- prst->dvalues[4] = datumCopy(SGITDATUM(innerTuple, &prst->state),
- prst->state.attPrefixType.attbyval, prst->state.attPrefixType.attlen);
- prst->nulls[4] = ' ';
+ prst->dvalues[4] = PointerGetDatum(tid);
+ prst->nulls[5] = ISNOTNULL;
+ if (innerTuple->prefixSize > 0) {
+ prst->dvalues[5] = datumCopy(SGITDATUM(innerTuple, &prst->state),
+ prst->state.attPrefixType.attbyval, prst->state.attPrefixType.attlen);
+ prst->nulls[5] = ISNOTNULL;
} else
- prst->nulls[4] = 'n';
- if (prst->state.attLabelType.attbyval != VOIDOID && !IndexTupleHasNulls(node)) {
- prst->dvalues[5] = datumCopy(SGNTDATUM(node, &prst->state),
- prst->state.attLabelType.attbyval, prst->state.attLabelType.attlen);
- prst->nulls[5] = ' ';
+ prst->nulls[5] = ISNULL;
+ if (!IndexTupleHasNulls(node)) {
+ prst->dvalues[6] = datumCopy(SGNTDATUM(node, &prst->state),
+ prst->state.attLabelType.attbyval, prst->state.attLabelType.attlen);
+ prst->nulls[6] = ISNOTNULL;
} else
- prst->nulls[5] = 'n';
- prst->nulls[6] = 'n';
+ prst->nulls[6] = ISNULL;
+ prst->nulls[7] = ISNULL;
pushSPGistPrint(funcctx, prst, &node->t_tid, s->level + 1);
s->nlabel = i + 1;
#endif
}
+
+PG_FUNCTION_INFO_V1(gin_statpage);
+Datum gin_statpage(PG_FUNCTION_ARGS);
+Datum
+gin_statpage(PG_FUNCTION_ARGS)
+{
+#if PG_VERSION_NUM < 90400
+ elog(NOTICE, "Function is not working under PgSQL < 9.4");
+
+ PG_RETURN_TEXT_P(CStringGetTextDatum("???"));
+#else
+ text *name = PG_GETARG_TEXT_P(0);
+ RangeVar *relvar;
+ Relation index;
+ BlockNumber blkno;
+ char res[1024];
+ uint32 totalPages,
+#if PG_VERSION_NUM >= 100000
+ deletedPages = 0,
+ emptyDataPages = 0,
+#endif
+ entryPages = 0,
+ dataPages = 0,
+ dataInnerPages = 0,
+ dataLeafPages = 0,
+ entryInnerPages = 0,
+ entryLeafPages = 0
+ ;
+ uint64 dataInnerFreeSpace = 0,
+ dataLeafFreeSpace = 0,
+ dataInnerTuplesCount = 0,
+ dataLeafIptrsCount = 0,
+ entryInnerFreeSpace = 0,
+ entryLeafFreeSpace = 0,
+ entryInnerTuplesCount = 0,
+ entryLeafTuplesCount = 0,
+ entryPostingSize = 0,
+ entryPostingCount = 0,
+ entryAttrSize = 0
+ ;
+
+ relvar = makeRangeVarFromNameList(textToQualifiedNameList(name));
+ index = relation_openrv(relvar, AccessExclusiveLock);
+
+ if (index->rd_rel->relkind != RELKIND_INDEX ||
+ index->rd_rel->relam != GIN_AM_OID)
+ elog(ERROR, "relation \"%s\" is not an SPGiST index",
+ RelationGetRelationName(index));
+
+ totalPages = RelationGetNumberOfBlocks(index);
+
+ for (blkno = GIN_ROOT_BLKNO; blkno < totalPages; blkno++)
+ {
+ Buffer buffer;
+ Page page;
+ PageHeader header;
+
+ buffer = ReadBuffer(index, blkno);
+ LockBuffer(buffer, BUFFER_LOCK_SHARE);
+
+ page = BufferGetPage(buffer);
+ header = (PageHeader)page;
+
+#if PG_VERSION_NUM >= 100000
+ if (GinPageIsDeleted(page))
+ {
+ deletedPages++;
+ }
+ else
+#endif
+ if (GinPageIsData(page))
+ {
+ dataPages++;
+ if (GinPageIsLeaf(page))
+ {
+ ItemPointerData minItem, *ptr;
+ int nlist;
+
+
+ dataLeafPages++;
+ dataLeafFreeSpace += header->pd_upper - header->pd_lower;
+ ItemPointerSetMin(&minItem);
+
+ ptr = GinDataLeafPageGetItems(page, &nlist, minItem);
+
+ if (ptr)
+ {
+ pfree(ptr);
+ dataLeafIptrsCount += nlist;
+ }
+ else
+ emptyDataPages++;
+ }
+ else
+ {
+ dataInnerPages++;
+ dataInnerFreeSpace += header->pd_upper - header->pd_lower;
+ dataInnerTuplesCount += GinPageGetOpaque(page)->maxoff;
+ }
+ }
+ else
+ {
+ IndexTuple itup;
+ OffsetNumber i, maxoff;
+
+ maxoff = PageGetMaxOffsetNumber(page);
+
+ entryPages++;
+ if (GinPageIsLeaf(page))
+ {
+ entryLeafPages++;
+ entryLeafFreeSpace += header->pd_upper - header->pd_lower;
+ entryLeafTuplesCount += maxoff;
+ }
+ else
+ {
+ entryInnerPages++;
+ entryInnerFreeSpace += header->pd_upper - header->pd_lower;
+ entryInnerTuplesCount += maxoff;
+ }
+
+ for (i = 1; i <= maxoff; i++)
+ {
+ itup = (IndexTuple) PageGetItem(page, PageGetItemId(page, i));
+
+ if (GinPageIsLeaf(page))
+ {
+ GinPostingList *list = (GinPostingList *)GinGetPosting(itup);
+ entryPostingCount += GinGetNPosting(itup);
+ entryPostingSize += SizeOfGinPostingList(list);
+ entryAttrSize += GinGetPostingOffset(itup) - IndexInfoFindDataOffset((itup)->t_info);
+ }
+ else
+ {
+ entryAttrSize += IndexTupleSize(itup) - IndexInfoFindDataOffset((itup)->t_info);
+ }
+ }
+ }
+
+ UnlockReleaseBuffer(buffer);
+ }
+
+ index_close(index, AccessExclusiveLock);
+ totalPages--;
+
+ snprintf(res, sizeof(res),
+ "totalPages: %u\n"
+#if PG_VERSION_NUM >= 100000
+ "deletedPages: %u\n"
+ "emptyDataPages: %u\n"
+#endif
+ "dataPages: %u\n"
+ "dataInnerPages: %u\n"
+ "dataLeafPages: %u\n"
+ "dataInnerFreeSpace: " INT64_FORMAT "\n"
+ "dataLeafFreeSpace: " INT64_FORMAT "\n"
+ "dataInnerTuplesCount: " INT64_FORMAT "\n"
+ "dataLeafIptrsCount: " INT64_FORMAT "\n"
+ "entryPages: %u\n"
+ "entryInnerPages: %u\n"
+ "entryLeafPages: %u\n"
+ "entryInnerFreeSpace: " INT64_FORMAT "\n"
+ "entryLeafFreeSpace: " INT64_FORMAT "\n"
+ "entryInnerTuplesCount: " INT64_FORMAT "\n"
+ "entryLeafTuplesCount: " INT64_FORMAT "\n"
+ "entryPostingSize: " INT64_FORMAT "\n"
+ "entryPostingCount: " INT64_FORMAT "\n"
+ "entryAttrSize: " INT64_FORMAT "\n"
+ ,
+ totalPages,
+#if PG_VERSION_NUM >= 100000
+ deletedPages,
+ emptyDataPages,
+#endif
+ dataPages,
+ dataInnerPages,
+ dataLeafPages,
+ dataInnerFreeSpace,
+ dataLeafFreeSpace,
+ dataInnerTuplesCount,
+ dataLeafIptrsCount,
+ entryPages,
+ entryInnerPages,
+ entryLeafPages,
+ entryInnerFreeSpace,
+ entryLeafFreeSpace,
+ entryInnerTuplesCount,
+ entryLeafTuplesCount,
+ entryPostingSize,
+ entryPostingCount,
+ entryAttrSize
+ );
+
+ PG_RETURN_TEXT_P(CStringGetTextDatum(res));
+#endif
+}
+
projects / gevel.git / blobdiff