--
-- NUMEROLOGY
-- Test various combinations of numeric types and functions.
--
--
-- Trailing junk in numeric literals
--
SELECT 123abc;
ERROR:  trailing junk after numeric literal at or near "123a"
LINE 1: SELECT 123abc;
               ^
SELECT 0x0o;
ERROR:  trailing junk after numeric literal at or near "0x"
LINE 1: SELECT 0x0o;
               ^
SELECT 1_2_3;
ERROR:  trailing junk after numeric literal at or near "1_"
LINE 1: SELECT 1_2_3;
               ^
SELECT 0.a;
ERROR:  trailing junk after numeric literal at or near "0.a"
LINE 1: SELECT 0.a;
               ^
SELECT 0.0a;
ERROR:  trailing junk after numeric literal at or near "0.0a"
LINE 1: SELECT 0.0a;
               ^
SELECT .0a;
ERROR:  trailing junk after numeric literal at or near ".0a"
LINE 1: SELECT .0a;
               ^
SELECT 0.0e1a;
ERROR:  trailing junk after numeric literal at or near "0.0e1a"
LINE 1: SELECT 0.0e1a;
               ^
SELECT 0.0e;
ERROR:  trailing junk after numeric literal at or near "0.0e"
LINE 1: SELECT 0.0e;
               ^
SELECT 0.0e+a;
ERROR:  trailing junk after numeric literal at or near "0.0e+"
LINE 1: SELECT 0.0e+a;
               ^
PREPARE p1 AS SELECT $1a;
ERROR:  trailing junk after parameter at or near "$1a"
LINE 1: PREPARE p1 AS SELECT $1a;
                             ^
--
-- 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;