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|
--
-- MONEY
--
CREATE TABLE money_data (m money);
INSERT INTO money_data VALUES ('123');
SELECT * FROM money_data;
m
---------
$123.00
(1 row)
SELECT m + '123' FROM money_data;
?column?
----------
$246.00
(1 row)
SELECT m + '123.45' FROM money_data;
?column?
----------
$246.45
(1 row)
SELECT m - '123.45' FROM money_data;
?column?
----------
-$0.45
(1 row)
SELECT m * 2 FROM money_data;
?column?
----------
$246.00
(1 row)
SELECT m / 2 FROM money_data;
?column?
----------
$61.50
(1 row)
-- All true
SELECT m = '$123.00' FROM money_data;
?column?
----------
t
(1 row)
SELECT m != '$124.00' FROM money_data;
?column?
----------
t
(1 row)
SELECT m <= '$123.00' FROM money_data;
?column?
----------
t
(1 row)
SELECT m >= '$123.00' FROM money_data;
?column?
----------
t
(1 row)
SELECT m < '$124.00' FROM money_data;
?column?
----------
t
(1 row)
SELECT m > '$122.00' FROM money_data;
?column?
----------
t
(1 row)
-- All false
SELECT m = '$123.01' FROM money_data;
?column?
----------
f
(1 row)
SELECT m != '$123.00' FROM money_data;
?column?
----------
f
(1 row)
SELECT m <= '$122.99' FROM money_data;
?column?
----------
f
(1 row)
SELECT m >= '$123.01' FROM money_data;
?column?
----------
f
(1 row)
SELECT m > '$124.00' FROM money_data;
?column?
----------
f
(1 row)
SELECT m < '$122.00' FROM money_data;
?column?
----------
f
(1 row)
SELECT cashlarger(m, '$124.00') FROM money_data;
cashlarger
------------
$124.00
(1 row)
SELECT cashsmaller(m, '$124.00') FROM money_data;
cashsmaller
-------------
$123.00
(1 row)
SELECT cash_words(m) FROM money_data;
cash_words
-------------------------------------------------
One hundred twenty three dollars and zero cents
(1 row)
SELECT cash_words(m + '1.23') FROM money_data;
cash_words
--------------------------------------------------------
One hundred twenty four dollars and twenty three cents
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.45');
SELECT * FROM money_data;
m
---------
$123.45
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.451');
SELECT * FROM money_data;
m
---------
$123.45
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.454');
SELECT * FROM money_data;
m
---------
$123.45
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.455');
SELECT * FROM money_data;
m
---------
$123.46
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.456');
SELECT * FROM money_data;
m
---------
$123.46
(1 row)
DELETE FROM money_data;
INSERT INTO money_data VALUES ('$123.459');
SELECT * FROM money_data;
m
---------
$123.46
(1 row)
-- Cast int4/int8 to money
SELECT 1234567890::money;
money
-------------------
$1,234,567,890.00
(1 row)
SELECT 12345678901234567::money;
money
----------------------------
$12,345,678,901,234,567.00
(1 row)
SELECT 123456789012345678::money;
ERROR: bigint out of range
SELECT 9223372036854775807::money;
ERROR: bigint out of range
SELECT (-12345)::money;
money
-------------
-$12,345.00
(1 row)
SELECT (-1234567890)::money;
money
--------------------
-$1,234,567,890.00
(1 row)
SELECT (-12345678901234567)::money;
money
-----------------------------
-$12,345,678,901,234,567.00
(1 row)
SELECT (-123456789012345678)::money;
ERROR: bigint out of range
SELECT (-9223372036854775808)::money;
ERROR: bigint out of range
SELECT 1234567890::int4::money;
money
-------------------
$1,234,567,890.00
(1 row)
SELECT 12345678901234567::int8::money;
money
----------------------------
$12,345,678,901,234,567.00
(1 row)
SELECT (-1234567890)::int4::money;
money
--------------------
-$1,234,567,890.00
(1 row)
SELECT (-12345678901234567)::int8::money;
money
-----------------------------
-$12,345,678,901,234,567.00
(1 row)
|
