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path: root/src/backend/utils/adt/geo_ops.c
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Diffstat (limited to 'src/backend/utils/adt/geo_ops.c')
-rw-r--r--src/backend/utils/adt/geo_ops.c151
1 files changed, 114 insertions, 37 deletions
diff --git a/src/backend/utils/adt/geo_ops.c b/src/backend/utils/adt/geo_ops.c
index 1412a1c6821..9934d6a3e0d 100644
--- a/src/backend/utils/adt/geo_ops.c
+++ b/src/backend/utils/adt/geo_ops.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.77 2003/05/13 18:03:07 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.78 2003/07/27 04:53:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -287,7 +287,9 @@ path_encode(bool closed, int npts, Point *pt)
/* Check for integer overflow */
if ((size - 2) / npts != (P_MAXLEN + 3))
- elog(ERROR, "Too many points requested");
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("too many points requested")));
result = palloc(size);
@@ -308,7 +310,10 @@ path_encode(bool closed, int npts, Point *pt)
{
*cp++ = LDELIM;
if (!pair_encode(pt->x, pt->y, cp))
- elog(ERROR, "Unable to format path");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("could not format path")));
+
cp += strlen(cp);
*cp++ = RDELIM;
*cp++ = DELIM;
@@ -380,7 +385,9 @@ box_in(PG_FUNCTION_ARGS)
if ((!path_decode(FALSE, 2, str, &isopen, &s, &(box->high)))
|| (*s != '\0'))
- elog(ERROR, "Bad box external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for box: \"%s\"", str)));
/* reorder corners if necessary... */
if (box->high.x < box->low.x)
@@ -891,12 +898,17 @@ line_in(PG_FUNCTION_ARGS)
if ((!path_decode(TRUE, 2, str, &isopen, &s, &(lseg.p[0])))
|| (*s != '\0'))
- elog(ERROR, "Bad line external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for line: \"%s\"", str)));
line = (LINE *) palloc(sizeof(LINE));
line_construct_pts(line, &lseg.p[0], &lseg.p[1]);
#else
- elog(ERROR, "line not yet implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("line not yet implemented")));
+
line = NULL;
#endif
@@ -960,7 +972,9 @@ line_out(PG_FUNCTION_ARGS)
return path_encode(TRUE, 2, (Point *) &(ls->p[0]));
#else
- elog(ERROR, "line not yet implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("line not yet implemented")));
result = NULL;
#endif
@@ -973,7 +987,9 @@ line_out(PG_FUNCTION_ARGS)
Datum
line_recv(PG_FUNCTION_ARGS)
{
- elog(ERROR, "line not yet implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("line not yet implemented")));
return 0;
}
@@ -983,7 +999,9 @@ line_recv(PG_FUNCTION_ARGS)
Datum
line_send(PG_FUNCTION_ARGS)
{
- elog(ERROR, "line not yet implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("line not yet implemented")));
return 0;
}
@@ -1306,7 +1324,9 @@ path_in(PG_FUNCTION_ARGS)
int depth = 0;
if ((npts = pair_count(str, ',')) <= 0)
- elog(ERROR, "Bad path external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for path: \"%s\"", str)));
s = str;
while (isspace((unsigned char) *s))
@@ -1327,7 +1347,9 @@ path_in(PG_FUNCTION_ARGS)
if ((!path_decode(TRUE, npts, s, &isopen, &s, &(path->p[0])))
&& (!((depth == 0) && (*s == '\0'))) && !((depth >= 1) && (*s == RDELIM)))
- elog(ERROR, "Bad path external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for path: \"%s\"", str)));
path->closed = (!isopen);
@@ -1362,7 +1384,9 @@ path_recv(PG_FUNCTION_ARGS)
closed = pq_getmsgbyte(buf);
npts = pq_getmsgint(buf, sizeof(int32));
if (npts < 0 || npts >= (int32) (INT_MAX / sizeof(Point)))
- elog(ERROR, "Invalid number of points in external path");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
+ errmsg("invalid number of points in external path")));
size = offsetof(PATH, p[0]) +sizeof(path->p[0]) * npts;
path = (PATH *) palloc(size);
@@ -1701,7 +1725,9 @@ point_in(PG_FUNCTION_ARGS)
char *s;
if (!pair_decode(str, &x, &y, &s) || (*s != '\0'))
- elog(ERROR, "Bad point external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for point: \"%s\"", str)));
point = (Point *) palloc(sizeof(Point));
@@ -1927,7 +1953,9 @@ lseg_in(PG_FUNCTION_ARGS)
if ((!path_decode(TRUE, 2, str, &isopen, &s, &(lseg->p[0])))
|| (*s != '\0'))
- elog(ERROR, "Bad lseg external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for lseg: \"%s\"", str)));
#ifdef NOT_USED
lseg->m = point_sl(&lseg->p[0], &lseg->p[1]);
@@ -2517,7 +2545,9 @@ dist_lb(PG_FUNCTION_ARGS)
#endif
/* need to think about this one for a while */
- elog(ERROR, "dist_lb not implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("dist_lb not implemented")));
PG_RETURN_NULL();
}
@@ -3028,7 +3058,9 @@ close_lb(PG_FUNCTION_ARGS)
#endif
/* think about this one for a while */
- elog(ERROR, "close_lb not implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("close_lb not implemented")));
PG_RETURN_NULL();
}
@@ -3305,7 +3337,9 @@ make_bound_box(POLYGON *poly)
box_fill(&(poly->boundbox), x1, x2, y1, y2);
}
else
- elog(ERROR, "Unable to create bounding box for empty polygon");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("cannot create bounding box for empty polygon")));
}
/*------------------------------------------------------------------
@@ -3327,7 +3361,9 @@ poly_in(PG_FUNCTION_ARGS)
char *s;
if ((npts = pair_count(str, ',')) <= 0)
- elog(ERROR, "Bad polygon external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for polygon: \"%s\"", str)));
size = offsetof(POLYGON, p[0]) +sizeof(poly->p[0]) * npts;
poly = (POLYGON *) palloc0(size); /* zero any holes */
@@ -3337,7 +3373,9 @@ poly_in(PG_FUNCTION_ARGS)
if ((!path_decode(FALSE, npts, str, &isopen, &s, &(poly->p[0])))
|| (*s != '\0'))
- elog(ERROR, "Bad polygon external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for polygon: \"%s\"", str)));
make_bound_box(poly);
@@ -3375,7 +3413,9 @@ poly_recv(PG_FUNCTION_ARGS)
npts = pq_getmsgint(buf, sizeof(int32));
if (npts < 0 || npts >= (int32) ((INT_MAX - offsetof(POLYGON, p[0])) / sizeof(Point)))
- elog(ERROR, "Invalid number of points in external polygon");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
+ errmsg("invalid number of points in external polygon")));
size = offsetof(POLYGON, p[0]) +sizeof(poly->p[0]) * npts;
poly = (POLYGON *) palloc0(size); /* zero any holes */
@@ -3683,7 +3723,9 @@ poly_distance(PG_FUNCTION_ARGS)
POLYGON *polyb = PG_GETARG_POLYGON_P(1);
#endif
- elog(ERROR, "poly_distance not implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("poly_distance not implemented")));
PG_RETURN_NULL();
}
@@ -3762,7 +3804,9 @@ point_div(PG_FUNCTION_ARGS)
div = (p2->x * p2->x) + (p2->y * p2->y);
if (div == 0.0)
- elog(ERROR, "division by zero");
+ ereport(ERROR,
+ (errcode(ERRCODE_DIVISION_BY_ZERO),
+ errmsg("division by zero")));
result->x = ((p1->x * p2->x) + (p1->y * p2->y)) / div;
result->y = ((p2->x * p1->y) - (p2->y * p1->x)) / div;
@@ -3881,7 +3925,9 @@ path_add(PG_FUNCTION_ARGS)
/* Check for integer overflow */
if (base_size / sizeof(p1->p[0]) != (p1->npts + p2->npts) ||
size <= base_size)
- elog(ERROR, "Too many points requested");
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("too many points requested")));
result = (PATH *) palloc(size);
@@ -3989,7 +4035,9 @@ path_center(PG_FUNCTION_ARGS)
PATH *path = PG_GETARG_PATH_P(0);
#endif
- elog(ERROR, "path_center not implemented");
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("path_center not implemented")));
PG_RETURN_NULL();
}
@@ -4004,7 +4052,9 @@ path_poly(PG_FUNCTION_ARGS)
/* This is not very consistent --- other similar cases return NULL ... */
if (!path->closed)
- elog(ERROR, "Open path cannot be converted to polygon");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("open path cannot be converted to polygon")));
size = offsetof(POLYGON, p[0]) +sizeof(poly->p[0]) * path->npts;
poly = (POLYGON *) palloc(size);
@@ -4169,7 +4219,9 @@ circle_in(PG_FUNCTION_ARGS)
}
if (!pair_decode(s, &circle->center.x, &circle->center.y, &s))
- elog(ERROR, "Bad circle external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for circle: \"%s\"", str)));
if (*s == DELIM)
s++;
@@ -4177,7 +4229,9 @@ circle_in(PG_FUNCTION_ARGS)
s++;
if ((!single_decode(s, &circle->radius, &s)) || (circle->radius < 0))
- elog(ERROR, "Bad circle external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for circle: \"%s\"", str)));
while (depth > 0)
{
@@ -4190,11 +4244,15 @@ circle_in(PG_FUNCTION_ARGS)
s++;
}
else
- elog(ERROR, "Bad circle external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for circle: \"%s\"", str)));
}
if (*s != '\0')
- elog(ERROR, "Bad circle external representation '%s'", str);
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
+ errmsg("invalid input syntax for circle: \"%s\"", str)));
PG_RETURN_CIRCLE_P(circle);
}
@@ -4214,13 +4272,17 @@ circle_out(PG_FUNCTION_ARGS)
*cp++ = LDELIM_C;
*cp++ = LDELIM;
if (!pair_encode(circle->center.x, circle->center.y, cp))
- elog(ERROR, "Unable to format circle");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("could not format circle")));
cp += strlen(cp);
*cp++ = RDELIM;
*cp++ = DELIM;
if (!single_encode(circle->radius, cp))
- elog(ERROR, "Unable to format circle");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("could not format circle")));
cp += strlen(cp);
*cp++ = RDELIM_C;
@@ -4245,7 +4307,9 @@ circle_recv(PG_FUNCTION_ARGS)
circle->radius = pq_getmsgfloat8(buf);
if (circle->radius < 0)
- elog(ERROR, "Invalid radius in external circle");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
+ errmsg("invalid radius in external circle")));
PG_RETURN_CIRCLE_P(circle);
}
@@ -4736,15 +4800,24 @@ circle_poly(PG_FUNCTION_ARGS)
double angle;
double anglestep;
- if (FPzero(circle->radius) || (npts < 2))
- elog(ERROR, "Unable to convert circle to polygon");
+ if (FPzero(circle->radius))
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("cannot convert zero-size circle to polygon")));
+
+ if (npts < 2)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("must request at least 2 points")));
base_size = sizeof(poly->p[0]) * npts;
size = offsetof(POLYGON, p[0]) +base_size;
/* Check for integer overflow */
if (base_size / npts != sizeof(poly->p[0]) || size <= base_size)
- elog(ERROR, "Too many points requested");
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("too many points requested")));
poly = (POLYGON *) palloc0(size); /* zero any holes */
poly->size = size;
@@ -4777,7 +4850,9 @@ poly_circle(PG_FUNCTION_ARGS)
int i;
if (poly->npts < 2)
- elog(ERROR, "Unable to convert polygon to circle");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("cannot convert empty polygon to circle")));
circle = (CIRCLE *) palloc(sizeof(CIRCLE));
@@ -4798,7 +4873,9 @@ poly_circle(PG_FUNCTION_ARGS)
circle->radius /= poly->npts;
if (FPzero(circle->radius))
- elog(ERROR, "Unable to convert polygon to circle");
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("cannot convert empty polygon to circle")));
PG_RETURN_CIRCLE_P(circle);
}
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