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Commit35d1eef

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Fix circle_in to accept "(x,y),r" as it's advertised to do.
Our documentation describes four allowed input syntaxes for circles,but the regression tests tried only three ... with predictableconsequences. Remarkably, this has been wrong since the circledatatype was added in 1997, but nobody noticed till now.David Zhang, with some help from meDiscussion:https://postgr.es/m/332c47fa-d951-7574-b5cc-a8f7f7201202@highgo.ca
1 parent6e6b74a commit35d1eef

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3 files changed

+16
-13
lines changed

3 files changed

+16
-13
lines changed

‎src/backend/utils/adt/geo_ops.c

Lines changed: 8 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -4488,8 +4488,8 @@ poly_path(PG_FUNCTION_ARGS)
44884488
/*circle_in-convert a string to internal form.
44894489
*
44904490
*External format: (center and radius of circle)
4491-
*"((f8,f8)<f8>)"
4492-
*also supports quick entry style "(f8,f8,f8)"
4491+
*"<(f8,f8),f8>"
4492+
*also supports quick entry style "f8,f8,f8"
44934493
*/
44944494
Datum
44954495
circle_in(PG_FUNCTION_ARGS)
@@ -4503,16 +4503,19 @@ circle_in(PG_FUNCTION_ARGS)
45034503
s=str;
45044504
while (isspace((unsignedchar)*s))
45054505
s++;
4506-
if ((*s==LDELIM_C)|| (*s==LDELIM))
4506+
if (*s==LDELIM_C)
4507+
depth++,s++;
4508+
elseif (*s==LDELIM)
45074509
{
4508-
depth++;
4510+
/* If there are two left parens, consume the first one */
45094511
cp= (s+1);
45104512
while (isspace((unsignedchar)*cp))
45114513
cp++;
45124514
if (*cp==LDELIM)
4513-
s=cp;
4515+
depth++,s=cp;
45144516
}
45154517

4518+
/* pair_decode will consume parens around the pair, if any */
45164519
pair_decode(s,&circle->center.x,&circle->center.y,&s,"circle",str);
45174520

45184521
if (*s==DELIM)

‎src/test/regress/expected/circle.out

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -6,10 +6,10 @@
66
SET extra_float_digits = -1;
77
CREATE TABLE CIRCLE_TBL (f1 circle);
88
INSERT INTO CIRCLE_TBL VALUES ('<(5,1),3>');
9-
INSERT INTO CIRCLE_TBL VALUES ('<(1,2),100>');
10-
INSERT INTO CIRCLE_TBL VALUES ('1,3,5');
11-
INSERT INTO CIRCLE_TBL VALUES ('((1,2),3)');
12-
INSERT INTO CIRCLE_TBL VALUES ('<(100,200),10>');
9+
INSERT INTO CIRCLE_TBL VALUES ('((1,2),100)');
10+
INSERT INTO CIRCLE_TBL VALUES (' 1 , 3 , 5');
11+
INSERT INTO CIRCLE_TBL VALUES (' ( ( 1 , 2 ) , 3 )');
12+
INSERT INTO CIRCLE_TBL VALUES (' (100 ,200 ) , 10');
1313
INSERT INTO CIRCLE_TBL VALUES (' < ( 100 , 1 ) , 115 > ');
1414
INSERT INTO CIRCLE_TBL VALUES ('<(3,5),0>');-- Zero radius
1515
INSERT INTO CIRCLE_TBL VALUES ('<(3,5),NaN>');-- NaN radius

‎src/test/regress/sql/circle.sql

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -10,13 +10,13 @@ CREATE TABLE CIRCLE_TBL (f1 circle);
1010

1111
INSERT INTO CIRCLE_TBLVALUES ('<(5,1),3>');
1212

13-
INSERT INTO CIRCLE_TBLVALUES ('<(1,2),100>');
13+
INSERT INTO CIRCLE_TBLVALUES ('((1,2),100)');
1414

15-
INSERT INTO CIRCLE_TBLVALUES ('1,3,5');
15+
INSERT INTO CIRCLE_TBLVALUES (' 1 , 3 , 5');
1616

17-
INSERT INTO CIRCLE_TBLVALUES ('((1,2),3)');
17+
INSERT INTO CIRCLE_TBLVALUES (' ( ( 1 , 2 ) , 3 )');
1818

19-
INSERT INTO CIRCLE_TBLVALUES ('<(100,200),10>');
19+
INSERT INTO CIRCLE_TBLVALUES (' (100 ,200 ) , 10');
2020

2121
INSERT INTO CIRCLE_TBLVALUES (' < ( 100 , 1 ) , 115 >');
2222

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