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Commit0c4929f

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committed
Parser no longer considers
SELECT a/2, a/2 FROM test_missing_target GROUP BY a/2;to be ambiguous ... which I think is correct behavior.
1 parent7f76eab commit0c4929f

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2 files changed

+25
-26
lines changed

2 files changed

+25
-26
lines changed

‎src/test/regress/expected/select_implicit.out‎

Lines changed: 11 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -133,7 +133,15 @@ QUERY: SELECT a/2, a/2 FROM test_missing_target
133133

134134
QUERY: SELECT a/2, a/2 FROM test_missing_target
135135
GROUP BY a/2;
136-
ERROR: GROUP BY has ambiguous expression
136+
?column?|?column?
137+
--------+--------
138+
0| 0
139+
1| 1
140+
2| 2
141+
3| 3
142+
4| 4
143+
(5 rows)
144+
137145
QUERY: SELECT x.b, count(*) FROM test_missing_target x, test_missing_target y
138146
WHERE x.a = y.a
139147
GROUP BY x.b;
@@ -169,19 +177,14 @@ count
169177
4
170178
(4 rows)
171179

172-
QUERY: SELECT a%2, count(a) FROM test_missing_target GROUP BY test_missing_target.a%2;
180+
QUERY: SELECT a%2, count(b) FROM test_missing_target GROUP BY test_missing_target.a%2;
173181
?column?|count
174182
--------+-----
175183
0| 5
176184
1| 5
177185
(2 rows)
178186

179-
QUERY: /*
180-
NOTE: as of 1998-08-01 a bug was detected unrelated to this feature which
181-
requires the aggragate function argument to be the same as some non-agragate
182-
in the target list. (i.e. count(*) and count(b) crash the backend.)
183-
*/
184-
SELECT count(c) FROM test_missing_target GROUP BY lower(test_missing_target.c);
187+
QUERY: SELECT count(c) FROM test_missing_target GROUP BY lower(test_missing_target.c);
185188
count
186189
-----
187190
2

‎src/test/regress/sql/select_implicit.sql‎

Lines changed: 14 additions & 18 deletions
Original file line numberDiff line numberDiff line change
@@ -53,38 +53,38 @@ SELECT c, count(*) FROM test_missing_target GROUP BY 1;
5353
-- failure expected
5454
SELECT c,count(*)FROM test_missing_targetGROUP BY3;
5555

56-
-- group w/o existing GROUP BY and ORDER BY target underambigious condition
56+
-- group w/o existing GROUP BY and ORDER BY target underambiguous condition
5757
-- failure expected
5858
SELECTcount(*)FROM test_missing_target x, test_missing_target y
5959
WHEREx.a=y.a
6060
GROUP BY bORDER BY b;
6161

62-
-- order w/ target underambigious condition
62+
-- order w/ target underambiguous condition
6363
-- failure NOT expected
6464
SELECT a, aFROM test_missing_target
6565
ORDER BY a;
6666

67-
-- order expression w/ target underambigious condition
67+
-- order expression w/ target underambiguous condition
6868
-- failure NOT expected
6969
SELECT a/2, a/2FROM test_missing_target
7070
ORDER BY a/2;
7171

72-
-- group expression w/ target underambigious condition
73-
-- failure expected
72+
-- group expression w/ target underambiguous condition
73+
-- failureNOTexpected
7474
SELECT a/2, a/2FROM test_missing_target
7575
GROUP BY a/2;
7676

77-
-- group w/ existing GROUP BY target underambigious condition
77+
-- group w/ existing GROUP BY target underambiguous condition
7878
SELECTx.b,count(*)FROM test_missing_target x, test_missing_target y
7979
WHEREx.a=y.a
8080
GROUP BYx.b;
8181

82-
-- group w/o existing GROUP BY target underambigious condition
82+
-- group w/o existing GROUP BY target underambiguous condition
8383
SELECTcount(*)FROM test_missing_target x, test_missing_target y
8484
WHEREx.a=y.a
8585
GROUP BYx.b;
8686

87-
-- group w/o existing GROUP BY target underambigious condition
87+
-- group w/o existing GROUP BY target underambiguous condition
8888
-- into a table
8989
SELECTcount(*) INTO TABLE test_missing_target2
9090
FROM test_missing_target x, test_missing_target y
@@ -96,12 +96,7 @@ SELECT * FROM test_missing_target2;
9696
-- Functions and expressions
9797

9898
-- w/ existing GROUP BY target
99-
SELECT a%2,count(a)FROM test_missing_targetGROUP BYtest_missing_target.a%2;
100-
/*
101-
NOTE: as of 1998-08-01 a bug was detected unrelated to this feature which
102-
requires the aggragate function argument to be the same as some non-agragate
103-
in the target list. (i.e. count(*) and count(b) crash the backend.)
104-
*/
99+
SELECT a%2,count(b)FROM test_missing_targetGROUP BYtest_missing_target.a%2;
105100

106101
-- w/o existing GROUP BY target using a relation name in GROUP BY clause
107102
SELECTcount(c)FROM test_missing_targetGROUP BYlower(test_missing_target.c);
@@ -124,23 +119,24 @@ SELECT a FROM test_missing_target ORDER BY upper(d);
124119
SELECTcount(b)FROM test_missing_target
125120
GROUP BY (b+1)/2ORDER BY (b+1)/2desc;
126121

127-
-- group w/o existing GROUP BY and ORDER BY target underambigious condition
122+
-- group w/o existing GROUP BY and ORDER BY target underambiguous condition
128123
-- failure expected
129124
SELECTcount(x.a)FROM test_missing_target x, test_missing_target y
130125
WHEREx.a=y.a
131126
GROUP BY b/2ORDER BY b/2;
132127

133-
-- group w/ existing GROUP BY target underambigious condition
128+
-- group w/ existing GROUP BY target underambiguous condition
134129
SELECTx.b/2,count(x.b)FROM test_missing_target x, test_missing_target y
135130
WHEREx.a=y.a
136131
GROUP BYx.b/2;
137132

138-
-- group w/o existing GROUP BY target under ambigious condition
133+
-- group w/o existing GROUP BY target under ambiguous condition
134+
-- failure expected due to ambiguous b in count(b)
139135
SELECTcount(b)FROM test_missing_target x, test_missing_target y
140136
WHEREx.a=y.a
141137
GROUP BYx.b/2;
142138

143-
-- group w/o existing GROUP BY target underambigious condition
139+
-- group w/o existing GROUP BY target underambiguous condition
144140
-- into a table
145141
SELECTcount(x.b) INTO TABLE test_missing_target3
146142
FROM test_missing_target x, test_missing_target y

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