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Commit86bc1da

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Update regress test for CASE to enable tests involving joins.
1 parentec1f5f7 commit86bc1da

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2 files changed

+105
-65
lines changed

2 files changed

+105
-65
lines changed

‎src/test/regress/expected/case.out

Lines changed: 99 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -67,28 +67,28 @@ One|Two WHEN with default
6767

6868
QUERY: SELECT '' AS "Five",
6969
CASE
70-
WHEN i >=0 THEN i
71-
END AS ">=0 or Null"
70+
WHEN i >=3 THEN i
71+
END AS ">=3 or Null"
7272
FROM CASE_TBL;
73-
Five|>=0 or Null
73+
Five|>=3 or Null
7474
----+------------
75-
|1
76-
|2
75+
|
76+
|
7777
| 3
7878
| 4
7979
(4 rows)
8080

8181
QUERY: SELECT '' AS "Five",
82-
CASE WHEN i >=0 THEN (i- i)
82+
CASE WHEN i >=3 THEN (i+ i)
8383
ELSE i
8484
END AS "Simplest Math"
8585
FROM CASE_TBL;
8686
Five|Simplest Math
8787
----+-------------
88-
|0
89-
|0
90-
|0
91-
|0
88+
|1
89+
|2
90+
|6
91+
|8
9292
(4 rows)
9393

9494
QUERY: SELECT '' AS "Five", i AS "Value",
@@ -107,17 +107,23 @@ Five|Value|Category
107107
| 4|big
108108
(4 rows)
109109

110-
QUERY: /*
111-
SELECT '' AS "Five",
110+
QUERY: SELECT '' AS "Five",
112111
CASE WHEN ((i < 0) or (i < 0)) THEN 'small'
113112
WHEN ((i = 0) or (i = 0)) THEN 'zero'
114113
WHEN ((i = 1) or (i = 1)) THEN 'one'
115114
WHEN ((i = 2) or (i = 2)) THEN 'two'
116115
ELSE 'big'
117116
END AS "Category"
118117
FROM CASE_TBL;
119-
*/
120-
SELECT * FROM CASE_TBL WHERE COALESCE(f,i) = 4;
118+
Five|Category
119+
----+--------
120+
|one
121+
|two
122+
|big
123+
|big
124+
(4 rows)
125+
126+
QUERY: SELECT * FROM CASE_TBL WHERE COALESCE(f,i) = 4;
121127
i|f
122128
-+-
123129
4|
@@ -128,33 +134,77 @@ i|f
128134
-+-
129135
(0 rows)
130136

131-
QUERY: /*
132-
This crashes the backend at the moment...
133-
- thomas 1998-12-12
134-
SELECT COALESCE(a.i, a.f, b.i, b.j)
137+
QUERY: SELECT COALESCE(a.f, b.i, b.j)
135138
FROM CASE_TBL a, CASE2_TBL b;
136-
*/
137-
SELECT *
139+
case
140+
-----
141+
10.1
142+
20.2
143+
-30.3
144+
1
145+
10.1
146+
20.2
147+
-30.3
148+
2
149+
10.1
150+
20.2
151+
-30.3
152+
3
153+
10.1
154+
20.2
155+
-30.3
156+
2
157+
10.1
158+
20.2
159+
-30.3
160+
1
161+
10.1
162+
20.2
163+
-30.3
164+
-6
165+
(24 rows)
166+
167+
QUERY: SELECT *
138168
FROM CASE_TBL a, CASE2_TBL b
139-
WHERE COALESCE(a.i, a.f, b.i, b.j) =4;
169+
WHERE COALESCE(a.f, b.i, b.j) =2;
140170
i|f|i| j
141171
-+-+-+--
142-
4| |1|-1
143172
4| |2|-2
144-
4| |3|-3
145173
4| |2|-4
146-
4| |1|
147-
4| | |-6
148-
(6 rows)
149-
150-
QUERY: /*
151-
This crashes the backend at the moment...
152-
- thomas 1998-12-12
153-
SELECT '' AS Five, NULLIF(a.i,b.i) AS "NULLIF(a.i,b.i)",
174+
(2 rows)
175+
176+
QUERY: SELECT '' AS Five, NULLIF(a.i,b.i) AS "NULLIF(a.i,b.i)",
154177
NULLIF(b.i, 4) AS "NULLIF(b.i,4)"
155178
FROM CASE_TBL a, CASE2_TBL b;
156-
*/
157-
SELECT '' AS "Two", *
179+
five|NULLIF(a.i,b.i)|NULLIF(b.i,4)
180+
----+---------------+-------------
181+
| | 1
182+
| 2| 1
183+
| 3| 1
184+
| 4| 1
185+
| 1| 2
186+
| | 2
187+
| 3| 2
188+
| 4| 2
189+
| 1| 3
190+
| 2| 3
191+
| | 3
192+
| 4| 3
193+
| 1| 2
194+
| | 2
195+
| 3| 2
196+
| 4| 2
197+
| | 1
198+
| 2| 1
199+
| 3| 1
200+
| 4| 1
201+
| 1|
202+
| 2|
203+
| 3|
204+
| 4|
205+
(24 rows)
206+
207+
QUERY: SELECT '' AS "Two", *
158208
FROM CASE_TBL a, CASE2_TBL b
159209
WHERE COALESCE(f,b.i) = 2;
160210
Two|i|f|i| j
@@ -164,13 +214,13 @@ Two|i|f|i| j
164214
(2 rows)
165215

166216
QUERY: UPDATE CASE_TBL
167-
SET i = CASE WHEN i >=0 THEN (- i)
217+
SET i = CASE WHEN i >=3 THEN (- i)
168218
ELSE (2 * i) END;
169219
QUERY: SELECT * FROM CASE_TBL;
170220
i| f
171221
--+-----
172-
-1| 10.1
173-
-2| 20.2
222+
2| 10.1
223+
4| 20.2
174224
-3|-30.3
175225
-4|
176226
(4 rows)
@@ -181,21 +231,25 @@ QUERY: UPDATE CASE_TBL
181231
QUERY: SELECT * FROM CASE_TBL;
182232
i| f
183233
---+-----
184-
-3| 10.1
185-
-6| 20.2
234+
4| 10.1
235+
8| 20.2
186236
-9|-30.3
187237
-12|
188238
(4 rows)
189239

190-
QUERY: /*
191-
This crashes the backend at the moment...
192-
- thomas 1998-12-12
193-
UPDATE CASE_TBL
240+
QUERY: UPDATE CASE_TBL
194241
SET i = CASE WHEN b.i >= 2 THEN (2 * j)
195242
ELSE (3 * j) END
196243
FROM CASE2_TBL b
197244
WHERE j = -CASE_TBL.i;
198-
SELECT * FROM CASE_TBL;
199-
*/
200-
DROP TABLE CASE_TBL;
245+
QUERY: SELECT * FROM CASE_TBL;
246+
i| f
247+
---+-----
248+
8| 20.2
249+
-9|-30.3
250+
-12|
251+
-8| 10.1
252+
(4 rows)
253+
254+
QUERY: DROP TABLE CASE_TBL;
201255
QUERY: DROP TABLE CASE2_TBL;

‎src/test/regress/sql/case.sql

Lines changed: 6 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -65,12 +65,12 @@ SELECT '6' AS "One",
6565

6666
SELECT''AS"Five",
6767
CASE
68-
WHEN i>=0 THEN i
69-
ENDAS">=0 or Null"
68+
WHEN i>=3 THEN i
69+
ENDAS">=3 or Null"
7070
FROM CASE_TBL;
7171

7272
SELECT''AS"Five",
73-
CASE WHEN i>=0 THEN (i- i)
73+
CASE WHEN i>=3 THEN (i+ i)
7474
ELSE i
7575
ENDAS"Simplest Math"
7676
FROM CASE_TBL;
@@ -84,7 +84,6 @@ SELECT '' AS "Five", i AS "Value",
8484
ENDAS"Category"
8585
FROM CASE_TBL;
8686

87-
/*
8887
SELECT''AS"Five",
8988
CASE WHEN ((i<0)or (i<0)) THEN'small'
9089
WHEN ((i=0)or (i=0)) THEN'zero'
@@ -93,7 +92,6 @@ SELECT '' AS "Five",
9392
ELSE'big'
9493
ENDAS"Category"
9594
FROM CASE_TBL;
96-
*/
9795

9896
--
9997
-- Examples of qualifications involving tables
@@ -109,24 +107,16 @@ SELECT * FROM CASE_TBL WHERE COALESCE(f,i) = 4;
109107

110108
SELECT*FROM CASE_TBLWHERE NULLIF(f,i)=2;
111109

112-
/*
113-
This crashes the backend at the moment...
114-
- thomas 1998-12-12
115-
SELECT COALESCE(a.i, a.f, b.i, b.j)
110+
SELECT COALESCE(a.f,b.i,b.j)
116111
FROM CASE_TBL a, CASE2_TBL b;
117-
*/
118112

119113
SELECT*
120114
FROM CASE_TBL a, CASE2_TBL b
121-
WHERE COALESCE(a.i,a.f,b.i,b.j)=4;
115+
WHERE COALESCE(a.f,b.i,b.j)=2;
122116

123-
/*
124-
This crashes the backend at the moment...
125-
- thomas 1998-12-12
126117
SELECT''AS Five, NULLIF(a.i,b.i)AS"NULLIF(a.i,b.i)",
127118
NULLIF(b.i,4)AS"NULLIF(b.i,4)"
128119
FROM CASE_TBL a, CASE2_TBL b;
129-
*/
130120

131121
SELECT''AS"Two",*
132122
FROM CASE_TBL a, CASE2_TBL b
@@ -137,7 +127,7 @@ SELECT '' AS "Two", *
137127
--
138128

139129
UPDATE CASE_TBL
140-
SET i= CASE WHEN i>=0 THEN (- i)
130+
SET i= CASE WHEN i>=3 THEN (- i)
141131
ELSE (2* i) END;
142132

143133
SELECT*FROM CASE_TBL;
@@ -148,17 +138,13 @@ UPDATE CASE_TBL
148138

149139
SELECT*FROM CASE_TBL;
150140

151-
/*
152-
This crashes the backend at the moment...
153-
- thomas 1998-12-12
154141
UPDATE CASE_TBL
155142
SET i= CASE WHENb.i>=2 THEN (2* j)
156143
ELSE (3* j) END
157144
FROM CASE2_TBL b
158145
WHERE j=-CASE_TBL.i;
159146

160147
SELECT*FROM CASE_TBL;
161-
*/
162148

163149
--
164150
-- Clean up

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