add greatest and least

typo fix

Signed-off-by: Juanjo Alvarez <juanjo@sourced.tech>

README.md

@@ -77,10 +77,12 @@ We support and actively test against certain third-party clients to ensure compa
 |`DAYOFYEAR(date)`|Returns the day of the year of the given date.|
 |`FLOOR(number)`|Return the largest integer value that is less than or equal to `number`.|
 |`FROM_BASE64(str)`|Decodes the base64-encoded string str.|
+|`GREATEST(...)`|Returns the greatest numeric or string value.|
 |`HOUR(date)`|Returns the hours of the given date.|
 |`IFNULL(expr1, expr2)`|If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2.|
 |`IS_BINARY(blob)`|Returns whether a BLOB is a binary file or not.|
 |`JSON_EXTRACT(json_doc, path, ...)`|Extracts data from a json document using json paths.|
+|`LEAST(...)`|Returns the smaller numeric or string value.|
 |`LN(X)`|Return the natural logarithm of X.|
 |`LOG(X), LOG(B, X)`|If called with one parameter, this function returns the natural logarithm of X. If called with two parameters, this function returns the logarithm of X to the base B. If X is less than or equal to 0, or if B is less than or equal to 1, then NULL is returned.|
 |`LOG10(X)`|Returns the base-10 logarithm of X.|

SUPPORTED.md

@@ -85,48 +85,50 @@
 
 ## Functions
 - ARRAY_LENGTH
+- CEIL
+- CEILING
+- COALESCE
 - CONCAT
 - CONCAT_WS
+- CONNECTION_ID
+- DATABASE
+- FLOOR
+- FROM_BASE64
+- GREATEST
 - IS_BINARY
-- SPLIT
-- SUBSTRING
 - IS_BINARY
-- LOWER
-- UPPER
-- CEILING
-- CEIL
-- FLOOR
-- ROUND
-- COALESCE
-- CONNECTION_ID
-- SOUNDEX
 - JSON_EXTRACT
-- DATABASE
-- SQRT
+- LEAST
+- LN
+- LOG10
+- LOG2
+- LOWER
+- LPAD
 - POW
 - POWER
+- ROUND
 - RPAD
-- LPAD
-- LN
-- LOG2
-- LOG10
 - SLEEP
+- SOUNDEX
+- SPLIT
+- SQRT
+- SUBSTRING
 - TO_BASE64
-- FROM_BASE64
+- UPPER
 
 ## Time functions
 - DATE
+- DATE_ADD
+- DATE_SUB
 - DAY
-- WEEKDAY
 - DAYOFMONTH
 - DAYOFWEEK
 - DAYOFYEAR
 - HOUR
 - MINUTE
 - MONTH
+- NOW
 - SECOND
+- WEEKDAY
 - YEAR
 - YEARWEEK
-- NOW
-- DATE_ADD
-- DATE_SUB

engine_test.go

@@ -1052,6 +1052,14 @@ var queries = []struct {
 		"SELECT DATE_ADD('9999-12-31 23:59:59', INTERVAL 1 DAY)",
 		[]sql.Row{{nil}},
 	},
+	{
+		`SELECT GREATEST(1, 2, 3, 4)`,
+		[]sql.Row{{int64(4)}},
+	},
+	{
+		`SELECT LEAST(1, 2, 3, 4)`,
+		[]sql.Row{{int64(1)}},
+	},
 }
 
 func TestQueries(t *testing.T) {