Added column list in INSERT grammar

Author: passren

pymongosql/sql/partiql/PartiQLParser.g4

@@ -167,6 +167,11 @@ insertCommandReturning
 // See the Grammar at https://github.com/partiql/partiql-docs/blob/main/RFCs/0011-partiql-insert.md#2-proposed-grammar-and-semantics
 insertStatement
     : INSERT INTO symbolPrimitive asIdent? value=expr onConflict?
+    | INSERT INTO symbolPrimitive columnList? values onConflict?
+    ;
+
+columnList
+    : PAREN_LEFT columnName ( COMMA columnName )* PAREN_RIGHT
     ;
 
 onConflict
@@ -711,12 +716,12 @@ trimFunction
 dateFunction
     : func=(DATE_ADD|DATE_DIFF) PAREN_LEFT dt=IDENTIFIER COMMA expr COMMA expr PAREN_RIGHT;
 
-// SQL-99 10.4 — <routine invocation> ::= <routine name> <SQL argument list>
+// SQL-99 10.4 � <routine invocation> ::= <routine name> <SQL argument list>
 functionCall
     : functionName PAREN_LEFT ( expr ( COMMA expr )* )? PAREN_RIGHT
     ;
 
-// SQL-99 10.4 — <routine name> ::= [ <schema name> <period> ] <qualified identifier>
+// SQL-99 10.4 � <routine name> ::= [ <schema name> <period> ] <qualified identifier>
 functionName
     : (qualifier+=symbolPrimitive PERIOD)* name=( CHAR_LENGTH | CHARACTER_LENGTH | OCTET_LENGTH | BIT_LENGTH | UPPER | LOWER | SIZE | EXISTS | COUNT )  # FunctionNameReserved
     | (qualifier+=symbolPrimitive PERIOD)* name=symbolPrimitive                                                                                         # FunctionNameSymbol