[For #18707] MySQL compatibility: support DIV and MOD operators

src/Parsers/ExpressionListParsers.cpp

@@ -18,6 +18,8 @@ const char * ParserMultiplicativeExpression::operators[] =
     "*",     "multiply",
     "/",     "divide",
     "%",     "modulo",
+    "MOD",   "modulo",
+    "DIV",   "intDiv",
     nullptr
 };
 

tests/queries/0_stateless/00977_int_div.reference

@@ -81,3 +81,43 @@
 -1
 -1
 -1
+-1
+0
+0
+0
+0
+0
+0
+0
+0
+0
+-1
+-2
+-3
+-4
+-5
+-6
+-7
+-8
+-9
+-10
+-1
+-2
+-3
+-4
+-5
+-6
+-7
+-8
+-9
+-10
+-1
+-1
+-1
+-1
+-1
+-1
+-1
+-1
+-1
+-1

tests/queries/0_stateless/00977_int_div.sql

@@ -23,3 +23,9 @@ SELECT intDiv(toInt64(number), -1) FROM numbers(1, 10);
 SELECT intDivOrZero(toInt64(number), -1) FROM numbers(1, 10);
 SELECT intDiv(number, -number) FROM numbers(1, 10);
 SELECT intDivOrZero(number, -number) FROM numbers(1, 10);
+
+SELECT -1 DIV number FROM numbers(1, 10);
+SELECT toInt32(number) DIV -1 FROM numbers(1, 10);
+SELECT toInt64(number) DIV -1 FROM numbers(1, 10);
+SELECT number DIV -number FROM numbers(1, 10);
+SELECT -1 DIV 0;  -- { serverError 153 }

tests/queries/0_stateless/01412_mod_float.reference

@@ -1,3 +1,7 @@
 1	-1	1	-1
 0.125	-0.125	0.125	-0.125
 1	-1	1	-1
+1	-1	1	-1
+0.125	-0.125	0.125	-0.125
+nan
+nan

tests/queries/0_stateless/01412_mod_float.sql

@@ -1,3 +1,7 @@
 WITH 8.5 AS a, 2.5 AS b SELECT a % b, -a % b, a % -b, -a % -b;
 WITH 10.125 AS a, 2.5 AS b SELECT a % b, -a % b, a % -b, -a % -b;
 WITH 8.5 AS a, 2.5 AS b SELECT mod(a, b), MOD(-a, b), modulo(a, -b), moduloOrZero(-a, -b);
+WITH 8.5 AS a, 2.5 AS b SELECT a MOD b, -a MOD b, a MOD -b, -a MOD -b;
+WITH 10.125 AS a, 2.5 AS b SELECT a MOD b, -a MOD b, a MOD -b, -a MOD -b;
+SELECT 3.5 % 0;
+SELECT 3.5 MOD 0;