Skip to content

P
Postgres FD Implementation
Commit 255363f8 authored by Bryan Henderson's avatar Bryan Henderson
Browse files
Options

Clean up. Get rid of tabs and overly long lines.

parent ea8b5196
Show whitespace changes
Inline Side-by-side
Showing with 714 additions and 672 deletions
src/interfaces/libpq/fe-exec.c
View file @ 255363f8
......@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.19 1996/11/20 22:35:19 momjian Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.20 1996/12/13 09:25:08 bryanh Exp $
*
*-------------------------------------------------------------------------
*/
......@@ -32,7 +32,7 @@ struct winsize {
} screen_size;
#endif
/* the tuples array in a PGresGroup has to grow to accommodate the tuples */
/* the rows array in a PGresGroup has to grow to accommodate the rows */
/* returned. Each time, we grow by this much: */
#define TUPARR_GROW_BY 100
......@@ -66,7 +66,7 @@ PQclear(PGresult* res)
if (!res)
return;
/* free all the tuples */
/* free all the rows */
for (i=0;i<res->ntups;i++) {
for (j=0;j<res->numAttributes;j++) {
if (res->tuples[i][j].value)
......@@ -114,7 +114,7 @@ makeEmptyPGresult(PGconn *conn, ExecStatusType status)
/*
* getTuple -
* get the next tuple from the stream
* get the next row from the stream
*
* the CALLER is responsible from freeing the PGresAttValue returned
*/
......@@ -147,7 +147,7 @@ getTuple(PGconn *conn, PGresult* result, int binary)
if (pqGetnchar(bitmap, nbytes, pfin, pfdebug) == 1){
sprintf(conn->errorMessage,
"Error reading null-values bitmap from tuple data stream\n");
"Error reading null-values bitmap from row data stream\n");
return NULL;
}
......@@ -191,7 +191,7 @@ getTuple(PGconn *conn, PGresult* result, int binary)
/*
* addTuple
* add a tuple to the PGresult structure, growing it if necessary
* add a row to the PGresult structure, growing it if necessary
* to accommodate
*
*/
......@@ -217,11 +217,11 @@ addTuple(PGresult* res, PGresAttValue* tup)
/*
* PGresult
* fill out the PGresult structure with result tuples from the backend
* fill out the PGresult structure with result rows from the backend
* this is called after query has been successfully run and we have
* a portal name
*
* ASSUMPTION: we assume only *1* tuple group is returned from the backend
* ASSUMPTION: we assume only *1* row group is returned from the backend
*
* the CALLER is reponsible for free'ing the new PGresult allocated here
*
......@@ -284,34 +284,30 @@ makePGresult(PGconn* conn, char* pname)
/* process the data stream until we're finished */
while(!done) {
switch (id) {
case 'T': /* a new tuple group */
case 'T': /* a new row group */
sprintf(conn->errorMessage,
"makePGresult() -- is not equipped to handle multiple tuple groups.\n");
"makePGresult() -- "
"is not equipped to handle multiple row groups.\n");
goto makePGresult_badResponse_return;
case 'B': /* a tuple in binary format */
case 'D': /* a tuple in ASCII format */
case 'B': /* a row in binary format */
case 'D': /* a row in ASCII format */
newTup = getTuple(conn, result, (id == 'B'));
if (newTup == NULL)
goto makePGresult_badResponse_return;
addTuple(result,newTup);
break;
/* case 'A':
sprintf(conn->errorMessage, "Asynchronous portals not supported");
result->resultStatus = PGRES_NONFATAL_ERROR;
return result;
break;
*/
case 'C': /* end of portal tuple stream */
case 'C': /* end of portal row stream */
{
char command[MAX_MESSAGE_LEN];
pqGets(command,MAX_MESSAGE_LEN, pfin, pfdebug); /* read the command tag */
pqGets(command,MAX_MESSAGE_LEN, pfin, pfdebug); /* read command tag */
done = 1;
}
break;
case 'E': /* errors */
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
sprintf(conn->errorMessage,
"Error return detected from backend, but error message cannot be read");
"Error return detected from backend, "
"but error message cannot be read");
}
result->resultStatus = PGRES_FATAL_ERROR;
return result;
......@@ -319,7 +315,8 @@ makePGresult(PGconn* conn, char* pname)
case 'N': /* notices from the backend */
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
sprintf(conn->errorMessage,
"Notice return detected from backend, but error message cannot be read");
"Notice return detected from backend, "
"but error message cannot be read");
} else
/* XXXX send Notices to stderr for now */
fprintf(stderr, "%s\n", conn->errorMessage);
......@@ -327,7 +324,9 @@ makePGresult(PGconn* conn, char* pname)
default: /* uh-oh
this should never happen but frequently does when the
backend dumps core */
sprintf(conn->errorMessage,"FATAL: unexpected results from the backend, it probably dumped core.");
sprintf(conn->errorMessage,
"FATAL: unrecognized data from the backend. "
"It probably dumped core.");
fprintf(stderr, conn->errorMessage);
result->resultStatus = PGRES_FATAL_ERROR;
return result;
......@@ -445,10 +444,11 @@ PQexec(PGconn* conn, const char* query)
/* async messages are piggy'ed back on other messages,
so we stay in the while loop for other messages */
break;
case 'C': /* portal query command, no tuples returned */
case 'C': /* portal query command, no rows returned */
if (pqGets(cmdStatus, MAX_MESSAGE_LEN, pfin, pfdebug) == 1) {
sprintf(conn->errorMessage,
"PQexec() -- query command completed, but return message from backend cannot be read");
"PQexec() -- query command completed, "
"but return message from backend cannot be read.");
return (PGresult*)NULL;
}
else {
......@@ -495,7 +495,8 @@ PQexec(PGconn* conn, const char* query)
case 'E': /* error return */
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
(void) sprintf(conn->errorMessage,
"PQexec() -- error return detected from backend, but error message cannot be read");
"PQexec() -- error return detected from backend, "
"but attempt to read the error message failed.");
}
return (PGresult*)NULL;
break;
......@@ -506,7 +507,6 @@ PQexec(PGconn* conn, const char* query)
if ((c = pqGetc(pfin,pfdebug)) != '\0') {
fprintf(stderr,"error!, unexpected character %c following 'I'\n", c);
}
#ifdef PQ_NOTIFY_PATCH
if (isCommand) {
/*
* If this is the result of a portal query command set the
......@@ -516,7 +516,6 @@ PQexec(PGconn* conn, const char* query)
strncpy(result->cmdStatus,cmdStatus, CMDSTATUS_LEN-1);
return result;
}
#endif
result = makeEmptyPGresult(conn, PGRES_EMPTY_QUERY);
return result;
}
......@@ -524,16 +523,17 @@ PQexec(PGconn* conn, const char* query)
case 'N': /* notices from the backend */
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
sprintf(conn->errorMessage,
"PQexec() -- error return detected from backend, but error message cannot be read");
"PQexec() -- Notice detected from backend, "
"but attempt to read the notice failed.");
return (PGresult*)NULL;
}
else
fprintf(stderr,"%s", conn->errorMessage);
break;
case 'P': /* synchronous (normal) portal */
pqGets(pname,MAX_MESSAGE_LEN,pfin, pfdebug); /* read in the portal name*/
pqGets(pname,MAX_MESSAGE_LEN,pfin, pfdebug); /* read in portal name*/
break;
case 'T': /* actual tuple results: */
case 'T': /* actual row results: */
return makePGresult(conn, pname);
break;
case 'D': /* copy command began successfully */
......@@ -668,7 +668,8 @@ PQendcopy(PGconn *conn)
case 'N':
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
sprintf(conn->errorMessage,
"Error return detected from backend, but error message cannot be read");
"Error return detected from backend, "
"but attempt to read the message failed.");
}
return(0);
break;
......@@ -813,7 +814,7 @@ PQprintTuples(PGresult *res,
} else
sprintf(formatString,"%%s %%s");
if ( nFields > 0 ) { /* only print tuples with at least 1 field. */
if ( nFields > 0 ) { /* only print rows with at least 1 field. */
if (!TerseOutput)
{
......@@ -856,13 +857,206 @@ PQprintTuples(PGresult *res,
}
}
static void
do_field(PQprintOpt *po, PGresult *res,
const int i, const int j, char *buf, const int fs_len,
char *fields[],
const int nFields, char *fieldNames[],
unsigned char fieldNotNum[], int fieldMax[],
const int fieldMaxLen, FILE *fout
) {
char *pval, *p, *o;
int plen;
bool skipit;
plen=PQgetlength(res,i,j);
pval=PQgetvalue(res,i,j);
if (plen < 1 || !pval || !*pval) {
if (po->align || po->expanded) skipit = true;
else {
skipit = false;
goto efield;
}
} else skipit = false;
if (!skipit) {
for (p=pval, o=buf; *p; *(o++)=*(p++)) {
if ((fs_len==1 && (*p==*(po->fieldSep))) || *p=='\\')
*(o++)='\\';
if (po->align && (*pval=='E' || *pval=='e' ||
!((*p>='0' && *p<='9') ||
*p=='.' ||
*p=='E' ||
*p=='e' ||
*p==' ' ||
*p=='-')))
fieldNotNum[j]=1;
}
*o='\0';
if (!po->expanded && (po->align || po->html3)) {
int n=strlen(buf);
if (n>fieldMax[j])
fieldMax[j]=n;
if (!(fields[i*nFields+j]=(char *)malloc(n+1))) {
perror("malloc");
exit(1);
}
strcpy(fields[i*nFields+j], buf);
} else {
if (po->expanded) {
if (po->html3)
fprintf(fout,
"<tr><td align=left><b>%s</b></td>"
"<td align=%s>%s</td></tr>\n",
fieldNames[j],
fieldNotNum[j] ? "left": "right",
buf);
else {
if (po->align)
fprintf(fout,
"%-*s%s %s\n",
fieldMaxLen-fs_len, fieldNames[j], po->fieldSep,
buf);
else
fprintf(fout, "%s%s%s\n", fieldNames[j], po->fieldSep, buf);
}
} else {
if (!po->html3) {
fputs(buf, fout);
efield:
if ((j+1)<nFields)
fputs(po->fieldSep, fout);
else
fputc('\n', fout);
}
}
}
}
}
static void
do_header(FILE *fout, PQprintOpt *po, const int nFields, int fieldMax[],
char *fieldNames[], unsigned char fieldNotNum[],
const int fs_len, char *border, PGresult *res) {
int j; /* for loop index */
if (po->html3)
fputs("<tr>", fout);
else {
int j; /* for loop index */
int tot=0;
int n=0;
char *p;
for (; n < nFields; n++)
tot+=fieldMax[n]+fs_len+(po->standard? 2: 0);
if (po->standard)
tot+=fs_len*2+2;
if (!(p=border=malloc(tot+1))) {
perror("malloc");
exit(1);
}
if (po->standard) {
char *fs=po->fieldSep;
while (*fs++)
*p++='+';
}
for (j=0; j < nFields; j++) {
int len;
for (len=fieldMax[j] + (po->standard? 2:0) ; len--; *p++='-');
if (po->standard || (j+1)<nFields) {
char *fs=po->fieldSep;
while (*fs++)
*p++='+';
}
}
*p='\0';
if (po->standard)
fprintf(fout, "%s\n", border);
}
if (po->standard)
fputs(po->fieldSep, fout);
for (j=0; j < nFields; j++) {
char *s=PQfname(res, j);
if (po->html3) {
fprintf(fout, "<th align=%s>%s</th>",
fieldNotNum[j]? "left": "right", fieldNames[j]);
} else {
int n=strlen(s);
if (n>fieldMax[j])
fieldMax[j]=n;
if (po->standard)
fprintf(fout,
fieldNotNum[j] ? " %-*s ": " %*s ",
fieldMax[j], s);
else
fprintf(fout, fieldNotNum[j] ? "%-*s": "%*s", fieldMax[j], s);
if (po->standard || (j+1)<nFields)
fputs(po->fieldSep, fout);
}
}
if (po->html3)
fputs("</tr>\n", fout);
else
fprintf(fout, "\n%s\n", border);
}
static void
output_row(FILE *fout, PQprintOpt *po, const int nFields, char *fields[],
unsigned char fieldNotNum[], int fieldMax[], char *border,
const int row_index) {
int field_index; /* for loop index */
if (po->html3)
fputs("<tr>", fout);
else if (po->standard)
fputs(po->fieldSep, fout);
for (field_index = 0; field_index < nFields; field_index++) {
char *p=fields[row_index*nFields+field_index];
if (po->html3)
fprintf(fout, "<td align=%s>%s</td>",
fieldNotNum[field_index]? "left": "right", p? p: "");
else {
fprintf(fout,
fieldNotNum[field_index] ?
(po->standard ? " %-*s ": "%-*s") :
(po->standard ? " %*s ": "%*s"),
fieldMax[field_index],
p ? p: "");
if (po->standard || field_index+1 < nFields)
fputs(po->fieldSep, fout);
}
if (p)
free(p);
}
if (po->html3)
fputs("</tr>", fout);
else
if (po->standard)
fprintf(fout, "\n%s", border);
fputc('\n', fout);
}
/*
* PQprint()
*
* new PQprintTuples routine (proff@suburbia.net)
* Format results of a query for printing.
*
* PQprintOpt is a typedef (structure) that containes
* various flags and options. consult libpq-fe.h for
* details
*
* Obsoletes PQprintTuples.
*/
void
......@@ -875,7 +1069,7 @@ PQprint(FILE *fout,
nFields = PQnfields(res);
if ( nFields > 0 ) { /* only print tuples with at least 1 field. */
if ( nFields > 0 ) { /* only print rows with at least 1 field. */
int i,j;
int nTups;
int *fieldMax=NULL; /* in case we don't use them */
......@@ -892,34 +1086,30 @@ PQprint(FILE *fout,
char buf[8192*2+1];
nTups = PQntuples(res);
if (!(fieldNames=(char **)calloc(nFields, sizeof (char *))))
{
if (!(fieldNames=(char **)calloc(nFields, sizeof (char *)))) {
perror("calloc");
exit(1);
}
if (!(fieldNotNum=(unsigned char *)calloc(nFields, 1)))
{
if (!(fieldNotNum=(unsigned char *)calloc(nFields, 1))) {
perror("calloc");
exit(1);
}
if (!(fieldMax=(int *)calloc(nFields, sizeof(int))))
{
if (!(fieldMax=(int *)calloc(nFields, sizeof(int)))) {
perror("calloc");
exit(1);
}
for (numFieldName=0; po->fieldName && po->fieldName[numFieldName]; numFieldName++)
for (numFieldName=0;
po->fieldName && po->fieldName[numFieldName];
numFieldName++)
;
for (j=0; j < nFields; j++)
{
for (j=0; j < nFields; j++) {
int len;
char *s=(j<numFieldName && po->fieldName[j][0])? po->fieldName[j]: PQfname(res, j);
char *s =
(j<numFieldName && po->fieldName[j][0])?
po->fieldName[j]: PQfname(res, j);
fieldNames[j]=s;
len=s? strlen(s): 0;
len=s ? strlen(s): 0;
fieldMax[j] = len;
/*
if (po->header && len<5)
len=5;
*/
len+=fs_len;
if (len>fieldMaxLen)
fieldMaxLen=len;
......@@ -932,14 +1122,12 @@ PQprint(FILE *fout,
fout = stdout;
if (po->pager && fout == stdout &&
isatty(fileno(stdin)) &&
isatty(fileno(stdout)))
{
isatty(fileno(stdout))) {
/* try to pipe to the pager program if possible */
#ifdef TIOCGWINSZ
if (ioctl(fileno(stdout),TIOCGWINSZ,&screen_size) == -1 ||
screen_size.ws_col == 0 ||
screen_size.ws_row == 0)
{
screen_size.ws_row == 0) {
#endif
screen_size.ws_row = 24;
screen_size.ws_col = 80;
......@@ -959,8 +1147,7 @@ PQprint(FILE *fout,
(po->header != 0) *
(total_line_length / screen_size.ws_col + 1) * 2
- (po->header != 0) *2 /* row count and newline */
)))
{
))) {
fout = popen(pagerenv, "w");
if (fout) {
usePipe = 1;
......@@ -970,29 +1157,22 @@ PQprint(FILE *fout,
}
}
if (!po->expanded && (po->align || po->html3))
{
if (!(fields=(char **)calloc(nFields*(nTups+1), sizeof(char *))))
{
if (!po->expanded && (po->align || po->html3)) {
if (!(fields=(char **)calloc(nFields*(nTups+1), sizeof(char *)))) {
perror("calloc");
exit(1);
}
}
else
if (po->header && !po->html3)
{
if (po->expanded)
{
} else
if (po->header && !po->html3) {
if (po->expanded) {
if (po->align)
fprintf(fout, "%-*s%s Value\n", fieldMaxLen-fs_len, "Field", po->fieldSep);
fprintf(fout, "%-*s%s Value\n",
fieldMaxLen-fs_len, "Field", po->fieldSep);
else
fprintf(fout, "%s%sValue\n", "Field", po->fieldSep);
}
else
{
} else {
int len=0;
for (j=0; j < nFields; j++)
{
for (j=0; j < nFields; j++) {
char *s=fieldNames[j];
fputs(s, fout);
len+=strlen(s)+fs_len;
......@@ -1004,195 +1184,55 @@ PQprint(FILE *fout,
fputc('\n', fout);
}
}
if (po->expanded && po->html3)
{
if (po->expanded && po->html3) {
if (po->caption)
fprintf(fout, "<centre><h2>%s</h2></centre>\n", po->caption);
else
fprintf(fout, "<centre><h2>Query retrieved %d tuples * %d fields</h2></centre>\n", nTups, nFields);
fprintf(fout,
"<centre><h2>"
"Query retrieved %d rows * %d fields"
"</h2></centre>\n",
nTups, nFields);
}
for (i = 0; i < nTups; i++)
{
if (po->expanded)
{
for (i = 0; i < nTups; i++) {
if (po->expanded) {
if (po->html3)
fprintf(fout, "<table %s><caption align=high>%d</caption>\n", po->tableOpt? po->tableOpt: "", i);
fprintf(fout,
"<table %s><caption align=high>%d</caption>\n",
po->tableOpt? po->tableOpt: "", i);
else
fprintf(fout, "-- RECORD %d --\n", i);
}
for (j = 0; j < nFields; j++)
{
char *pval, *p, *o;
int plen;
if ((plen=PQgetlength(res,i,j))<1 || !(pval=PQgetvalue(res,i,j)) || !*pval)
{
if (po->align || po->expanded)
continue;
goto efield;
}
for (p=pval, o=buf; *p; *(o++)=*(p++))
{
if ((fs_len==1 && (*p==*(po->fieldSep))) || *p=='\\')
*(o++)='\\';
if (po->align && (*pval=='E' || *pval=='e' ||
!((*p>='0' && *p<='9') || *p=='.' || *p=='E' || *p=='e' || *p==' ' || *p=='-')))
fieldNotNum[j]=1;
}
*o='\0';
if (!po->expanded && (po->align || po->html3))
{
int n=strlen(buf);
if (n>fieldMax[j])
fieldMax[j]=n;
if (!(fields[i*nFields+j]=(char *)malloc(n+1)))
{
perror("malloc");
exit(1);
}
strcpy(fields[i*nFields+j], buf);
}
else
{
if (po->expanded)
{
if (po->html3)
fprintf(fout, "<tr><td align=left><b>%s</b></td><td align=%s>%s</td></tr>\n",
fieldNames[j], fieldNotNum[j]? "left": "right", buf);
else
{
if (po->align)
fprintf(fout, "%-*s%s %s\n", fieldMaxLen-fs_len, fieldNames[j], po->fieldSep, buf);
else
fprintf(fout, "%s%s%s\n", fieldNames[j], po->fieldSep, buf);
}
}
else
{
if (!po->html3)
{
fputs(buf, fout);
efield:
if ((j+1)<nFields)
fputs(po->fieldSep, fout);
else
fputc('\n', fout);
}
}
}
}
do_field(po, res, i, j, buf, fs_len, fields, nFields,
fieldNames, fieldNotNum,
fieldMax, fieldMaxLen, fout);
if (po->html3 && po->expanded)
fputs("</table>\n", fout);
}
if (!po->expanded && (po->align || po->html3))
{
if (po->html3)
{
if (po->header)
{
if (!po->expanded && (po->align || po->html3)) {
if (po->html3) {
if (po->header) {
if (po->caption)
fprintf(fout, "<table %s><caption align=high>%s</caption>\n", po->tableOpt? po->tableOpt: "", po->caption);
fprintf(fout,
"<table %s><caption align=high>%s</caption>\n",
po->tableOpt? po->tableOpt: "",
po->caption);
else
fprintf(fout, "<table %s><caption align=high>Retrieved %d tuples * %d fields</caption>\n", po->tableOpt? po->tableOpt: "", nTups, nFields);
fprintf(fout,
"<table %s><caption align=high>"
"Retrieved %d rows * %d fields"
"</caption>\n",
po->tableOpt? po->tableOpt: "", nTups, nFields);
} else
fprintf(fout, "<table %s>", po->tableOpt? po->tableOpt: "");
}
if (po->header)
{
if (po->html3)
fputs("<tr>", fout);
else
{
int tot=0;
int n=0;
char *p;
for (; n<nFields; n++)
tot+=fieldMax[n]+fs_len+(po->standard? 2: 0);
if (po->standard)
tot+=fs_len*2+2;
if (!(p=border=malloc(tot+1)))
{
perror("malloc");
exit(1);
}
if (po->standard)
{
char *fs=po->fieldSep;
while (*fs++)
*p++='+';
}
for (j=0; j <nFields; j++)
{
int len;
for (len=fieldMax[j] + (po->standard? 2:0) ; len--; *p++='-');
if (po->standard || (j+1)<nFields)
{
char *fs=po->fieldSep;
while (*fs++)
*p++='+';
}
}
*p='\0';
if (po->standard)
fprintf(fout, "%s\n", border);
}
if (po->standard)
fputs(po->fieldSep, fout);
for (j=0; j < nFields; j++)
{
char *s=PQfname(res, j);
if (po->html3)
{
fprintf(fout, "<th align=%s>%s</th>", fieldNotNum[j]? "left": "right",
fieldNames[j]);
}
else
{
int n=strlen(s);
if (n>fieldMax[j])
fieldMax[j]=n;
if (po->standard)
fprintf(fout, fieldNotNum[j]? " %-*s ": " %*s ", fieldMax[j], s);
else
fprintf(fout, fieldNotNum[j]? "%-*s": "%*s", fieldMax[j], s);
if (po->standard || (j+1)<nFields)
fputs(po->fieldSep, fout);
}
}
if (po->html3)
fputs("</tr>\n", fout);
else
fprintf(fout, "\n%s\n", border);
}
do_header(fout, po, nFields, fieldMax, fieldNames, fieldNotNum,
fs_len, border, res);
for (i = 0; i < nTups; i++)
{
if (po->html3)
fputs("<tr>", fout);
else
if (po->standard)
fputs(po->fieldSep, fout);
for (j = 0; j < nFields; j++)
{
char *p=fields[i*nFields+j];
if (po->html3)
fprintf(fout, "<td align=%s>%s</td>", fieldNotNum[j]? "left": "right", p? p: "");
else
{
fprintf(fout, fieldNotNum[j]? (po->standard? " %-*s ": "%-*s"): (po->standard? " %*s ": "%*s"), fieldMax[j], p? p: "");
if (po->standard || (j+1)<nFields)
fputs(po->fieldSep, fout);
}
if (p)
free(p);
}
if (po->html3)
fputs("</tr>", fout);
else
if (po->standard)
fprintf(fout, "\n%s", border);
fputc('\n', fout);
}
output_row(fout, po, nFields, fields,
fieldNotNum, fieldMax, border, i);
free(fields);
}
if (po->header && !po->html3)
......@@ -1201,8 +1241,7 @@ efield:
free(fieldMax);
free(fieldNotNum);
free(fieldNames);
if (usePipe)
{
if (usePipe) {
pclose(fout);
signal(SIGPIPE, SIG_DFL);
}
......@@ -1303,9 +1342,11 @@ PQfn(PGconn *conn,
return makeEmptyPGresult(conn,PGRES_FATAL_ERROR);
case 'N':
/* print notice and go back to processing return values */
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug) == 1) {
if (pqGets(conn->errorMessage, ERROR_MSG_LENGTH, pfin, pfdebug)
== 1) {
sprintf(conn->errorMessage,
"Notice return detected from backend, but error message cannot be read");
"Notice return detected from backend, but message "
"cannot be read");
} else
fprintf(stderr, "%s\n", conn->errorMessage);
/* keep iterating */
......@@ -1472,7 +1513,7 @@ const char* PQoidStatus(PGresult *res) {
/*
PQgetvalue:
return the attribute value of field 'field_num' of
tuple 'tup_num'
row 'tup_num'
If res is binary, then the value returned is NOT a null-terminated
ASCII string, but the binary representation in the server's native
......@@ -1491,7 +1532,8 @@ PQgetvalue(PGresult *res, int tup_num, int field_num)
if (tup_num > (res->ntups - 1) ||
field_num > (res->numAttributes - 1)) {
fprintf(stderr,
"PQgetvalue: ERROR! field %d(of %d) of tuple %d(of %d) is not available",
"PQgetvalue: ERROR! field %d(of %d) of row %d(of %d) "
"is not available",
field_num, res->numAttributes - 1, tup_num, res->ntups);
}
......@@ -1514,7 +1556,8 @@ PQgetlength(PGresult *res, int tup_num, int field_num)
if (tup_num > (res->ntups - 1 )||
field_num > (res->numAttributes - 1)) {
fprintf(stderr,
"PQgetlength: ERROR! field %d(of %d) of tuple %d(of %d) is not available",
"PQgetlength: ERROR! field %d(of %d) of row %d(of %d) "
"is not available",
field_num, res->numAttributes - 1, tup_num, res->ntups);
}
......@@ -1538,7 +1581,8 @@ PQgetisnull(PGresult *res, int tup_num, int field_num)
if (tup_num > (res->ntups - 1 )||
field_num > (res->numAttributes - 1)) {
fprintf(stderr,
"PQgetisnull: ERROR! field %d(of %d) of tuple %d(of %d) is not available",
"PQgetisnull: ERROR! field %d(of %d) of row %d(of %d) "
"is not available",
field_num, res->numAttributes - 1, tup_num, res->ntups);
}
......@@ -1547,5 +1591,3 @@ PQgetisnull(PGresult *res, int tup_num, int field_num)
else
return 0;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment