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-rw-r--r--src/backend/access/common/printtup.c74
1 files changed, 40 insertions, 34 deletions
diff --git a/src/backend/access/common/printtup.c b/src/backend/access/common/printtup.c
index 7615c79a748..0a2eee932f5 100644
--- a/src/backend/access/common/printtup.c
+++ b/src/backend/access/common/printtup.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.45 1999/05/10 00:44:50 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/printtup.c,v 1.46 1999/05/25 16:06:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -25,9 +25,9 @@
#include "libpq/pqformat.h"
#include "utils/syscache.h"
-static void printtup_setup(DestReceiver* self, TupleDesc typeinfo);
-static void printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self);
-static void printtup_cleanup(DestReceiver* self);
+static void printtup_setup(DestReceiver * self, TupleDesc typeinfo);
+static void printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver * self);
+static void printtup_cleanup(DestReceiver * self);
/* ----------------------------------------------------------------
* printtup / debugtup support
@@ -43,7 +43,7 @@ static void printtup_cleanup(DestReceiver* self);
* ----------------
*/
int
-getTypeOutAndElem(Oid type, Oid* typOutput, Oid* typElem)
+getTypeOutAndElem(Oid type, Oid *typOutput, Oid *typElem)
{
HeapTuple typeTuple;
@@ -54,6 +54,7 @@ getTypeOutAndElem(Oid type, Oid* typOutput, Oid* typElem)
if (HeapTupleIsValid(typeTuple))
{
Form_pg_type pt = (Form_pg_type) GETSTRUCT(typeTuple);
+
*typOutput = (Oid) pt->typoutput;
*typElem = (Oid) pt->typelem;
return OidIsValid(*typOutput);
@@ -70,27 +71,29 @@ getTypeOutAndElem(Oid type, Oid* typOutput, Oid* typElem)
* Private state for a printtup destination object
* ----------------
*/
-typedef struct { /* Per-attribute information */
+typedef struct
+{ /* Per-attribute information */
Oid typoutput; /* Oid for the attribute's type output fn */
Oid typelem; /* typelem value to pass to the output fn */
FmgrInfo finfo; /* Precomputed call info for typoutput */
-} PrinttupAttrInfo;
+} PrinttupAttrInfo;
-typedef struct {
- DestReceiver pub; /* publicly-known function pointers */
- TupleDesc attrinfo; /* The attr info we are set up for */
- int nattrs;
- PrinttupAttrInfo *myinfo; /* Cached info about each attr */
-} DR_printtup;
+typedef struct
+{
+ DestReceiver pub; /* publicly-known function pointers */
+ TupleDesc attrinfo; /* The attr info we are set up for */
+ int nattrs;
+ PrinttupAttrInfo *myinfo; /* Cached info about each attr */
+} DR_printtup;
/* ----------------
* Initialize: create a DestReceiver for printtup
* ----------------
*/
-DestReceiver*
+DestReceiver *
printtup_create_DR()
{
- DR_printtup* self = (DR_printtup*) palloc(sizeof(DR_printtup));
+ DR_printtup *self = (DR_printtup *) palloc(sizeof(DR_printtup));
self->pub.receiveTuple = printtup;
self->pub.setup = printtup_setup;
@@ -100,42 +103,43 @@ printtup_create_DR()
self->nattrs = 0;
self->myinfo = NULL;
- return (DestReceiver*) self;
+ return (DestReceiver *) self;
}
static void
-printtup_setup(DestReceiver* self, TupleDesc typeinfo)
+printtup_setup(DestReceiver * self, TupleDesc typeinfo)
{
/* ----------------
* We could set up the derived attr info at this time, but we postpone it
* until the first call of printtup, for 3 reasons:
* 1. We don't waste time (compared to the old way) if there are no
- * tuples at all to output.
+ * tuples at all to output.
* 2. Checking in printtup allows us to handle the case that the tuples
- * change type midway through (although this probably can't happen in
- * the current executor).
+ * change type midway through (although this probably can't happen in
+ * the current executor).
* 3. Right now, ExecutorRun passes a NULL for typeinfo anyway :-(
* ----------------
*/
}
static void
-printtup_prepare_info(DR_printtup* myState, TupleDesc typeinfo, int numAttrs)
+printtup_prepare_info(DR_printtup * myState, TupleDesc typeinfo, int numAttrs)
{
- int i;
+ int i;
if (myState->myinfo)
- pfree(myState->myinfo); /* get rid of any old data */
+ pfree(myState->myinfo); /* get rid of any old data */
myState->myinfo = NULL;
myState->attrinfo = typeinfo;
myState->nattrs = numAttrs;
if (numAttrs <= 0)
return;
- myState->myinfo = (PrinttupAttrInfo*)
+ myState->myinfo = (PrinttupAttrInfo *)
palloc(numAttrs * sizeof(PrinttupAttrInfo));
for (i = 0; i < numAttrs; i++)
{
- PrinttupAttrInfo* thisState = myState->myinfo + i;
+ PrinttupAttrInfo *thisState = myState->myinfo + i;
+
if (getTypeOutAndElem((Oid) typeinfo->attrs[i]->atttypid,
&thisState->typoutput, &thisState->typelem))
fmgr_info(thisState->typoutput, &thisState->finfo);
@@ -147,9 +151,9 @@ printtup_prepare_info(DR_printtup* myState, TupleDesc typeinfo, int numAttrs)
* ----------------
*/
static void
-printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
+printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver * self)
{
- DR_printtup *myState = (DR_printtup*) self;
+ DR_printtup *myState = (DR_printtup *) self;
StringInfoData buf;
int i,
j,
@@ -178,7 +182,7 @@ printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
k = 1 << 7;
for (i = 0; i < tuple->t_data->t_natts; ++i)
{
- if (! heap_attisnull(tuple, i + 1))
+ if (!heap_attisnull(tuple, i + 1))
j |= k; /* set bit if not null */
k >>= 1;
if (k == 0) /* end of byte? */
@@ -197,7 +201,8 @@ printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
*/
for (i = 0; i < tuple->t_data->t_natts; ++i)
{
- PrinttupAttrInfo* thisState = myState->myinfo + i;
+ PrinttupAttrInfo *thisState = myState->myinfo + i;
+
attr = heap_getattr(tuple, i + 1, typeinfo, &isnull);
if (isnull)
continue;
@@ -223,9 +228,10 @@ printtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
* ----------------
*/
static void
-printtup_cleanup(DestReceiver* self)
+printtup_cleanup(DestReceiver * self)
{
- DR_printtup* myState = (DR_printtup*) self;
+ DR_printtup *myState = (DR_printtup *) self;
+
if (myState->myinfo)
pfree(myState->myinfo);
pfree(myState);
@@ -274,7 +280,7 @@ showatts(char *name, TupleDesc tupleDesc)
* ----------------
*/
void
-debugtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
+debugtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver * self)
{
int i;
Datum attr;
@@ -310,7 +316,7 @@ debugtup(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
* ----------------
*/
void
-printtup_internal(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
+printtup_internal(HeapTuple tuple, TupleDesc typeinfo, DestReceiver * self)
{
StringInfoData buf;
int i,
@@ -334,7 +340,7 @@ printtup_internal(HeapTuple tuple, TupleDesc typeinfo, DestReceiver* self)
k = 1 << 7;
for (i = 0; i < tuple->t_data->t_natts; ++i)
{
- if (! heap_attisnull(tuple, i + 1))
+ if (!heap_attisnull(tuple, i + 1))
j |= k; /* set bit if not null */
k >>= 1;
if (k == 0) /* end of byte? */
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-09 06:03:40 +0000