1 files changed, 136 insertions, 0 deletions
diff --git a/src/test/regress/expected/numerology.out b/src/test/regress/expected/numerology.out
new file mode 100644
index 0000000..44d6c43
--- /dev/null
+++ b/src/test/regress/expected/numerology.out
@@ -0,0 +1,136 @@
+--
+-- NUMEROLOGY
+-- Test various combinations of numeric types and functions.
+--
+--
+-- Test implicit type conversions
+-- This fails for Postgres v6.1 (and earlier?)
+--  so let's try explicit conversions for now - tgl 97/05/07
+--
+CREATE TABLE TEMP_FLOAT (f1 FLOAT8);
+INSERT INTO TEMP_FLOAT (f1)
+  SELECT float8(f1) FROM INT4_TBL;
+INSERT INTO TEMP_FLOAT (f1)
+  SELECT float8(f1) FROM INT2_TBL;
+SELECT f1 FROM TEMP_FLOAT
+  ORDER BY f1;
+     f1      
+-------------
+ -2147483647
+     -123456
+      -32767
+       -1234
+           0
+           0
+        1234
+       32767
+      123456
+  2147483647
+(10 rows)
+
+-- int4
+CREATE TABLE TEMP_INT4 (f1 INT4);
+INSERT INTO TEMP_INT4 (f1)
+  SELECT int4(f1) FROM FLOAT8_TBL
+  WHERE (f1 > -2147483647) AND (f1 < 2147483647);
+INSERT INTO TEMP_INT4 (f1)
+  SELECT int4(f1) FROM INT2_TBL;
+SELECT f1 FROM TEMP_INT4
+  ORDER BY f1;
+   f1   
+--------
+ -32767
+  -1234
+  -1004
+    -35
+      0
+      0
+      0
+   1234
+  32767
+(9 rows)
+
+-- int2
+CREATE TABLE TEMP_INT2 (f1 INT2);
+INSERT INTO TEMP_INT2 (f1)
+  SELECT int2(f1) FROM FLOAT8_TBL
+  WHERE (f1 >= -32767) AND (f1 <= 32767);
+INSERT INTO TEMP_INT2 (f1)
+  SELECT int2(f1) FROM INT4_TBL
+  WHERE (f1 >= -32767) AND (f1 <= 32767);
+SELECT f1 FROM TEMP_INT2
+  ORDER BY f1;
+  f1   
+-------
+ -1004
+   -35
+     0
+     0
+     0
+(5 rows)
+
+--
+-- Group-by combinations
+--
+CREATE TABLE TEMP_GROUP (f1 INT4, f2 INT4, f3 FLOAT8);
+INSERT INTO TEMP_GROUP
+  SELECT 1, (- i.f1), (- f.f1)
+  FROM INT4_TBL i, FLOAT8_TBL f;
+INSERT INTO TEMP_GROUP
+  SELECT 2, i.f1, f.f1
+  FROM INT4_TBL i, FLOAT8_TBL f;
+SELECT DISTINCT f1 AS two FROM TEMP_GROUP ORDER BY 1;
+ two 
+-----
+   1
+   2
+(2 rows)
+
+SELECT f1 AS two, max(f3) AS max_float, min(f3) as min_float
+  FROM TEMP_GROUP
+  GROUP BY f1
+  ORDER BY two, max_float, min_float;
+ two |      max_float       |       min_float       
+-----+----------------------+-----------------------
+   1 | 1.2345678901234e+200 |                    -0
+   2 |                    0 | -1.2345678901234e+200
+(2 rows)
+
+-- GROUP BY a result column name is not legal per SQL92, but we accept it
+-- anyway (if the name is not the name of any column exposed by FROM).
+SELECT f1 AS two, max(f3) AS max_float, min(f3) AS min_float
+  FROM TEMP_GROUP
+  GROUP BY two
+  ORDER BY two, max_float, min_float;
+ two |      max_float       |       min_float       
+-----+----------------------+-----------------------
+   1 | 1.2345678901234e+200 |                    -0
+   2 |                    0 | -1.2345678901234e+200
+(2 rows)
+
+SELECT f1 AS two, (max(f3) + 1) AS max_plus_1, (min(f3) - 1) AS min_minus_1
+  FROM TEMP_GROUP
+  GROUP BY f1
+  ORDER BY two, min_minus_1;
+ two |      max_plus_1      |      min_minus_1      
+-----+----------------------+-----------------------
+   1 | 1.2345678901234e+200 |                    -1
+   2 |                    1 | -1.2345678901234e+200
+(2 rows)
+
+SELECT f1 AS two,
+       max(f2) + min(f2) AS max_plus_min,
+       min(f3) - 1 AS min_minus_1
+  FROM TEMP_GROUP
+  GROUP BY f1
+  ORDER BY two, min_minus_1;
+ two | max_plus_min |      min_minus_1      
+-----+--------------+-----------------------
+   1 |            0 |                    -1
+   2 |            0 | -1.2345678901234e+200
+(2 rows)
+
+DROP TABLE TEMP_INT2;
+DROP TABLE TEMP_INT4;
+DROP TABLE TEMP_FLOAT;
+DROP TABLE TEMP_GROUP;