Add support for UNSIGNED types in InnoDB's SQL parser.

Remove trailing whitespace from flex/bison input files.

include/pars0grm.h

@@ -114,7 +114,8 @@
      PARS_COMMIT_TOKEN = 340,
      PARS_ROLLBACK_TOKEN = 341,
      PARS_WORK_TOKEN = 342,
-     NEG = 343
+     PARS_UNSIGNED_TOKEN = 343,
+     NEG = 344
    };
 #endif
 #define PARS_INT_LIT 258
@@ -202,7 +203,8 @@
 #define PARS_COMMIT_TOKEN 340
 #define PARS_ROLLBACK_TOKEN 341
 #define PARS_WORK_TOKEN 342
-#define NEG 343
+#define PARS_UNSIGNED_TOKEN 343
+#define NEG 344
 
 
 

include/pars0pars.h

@@ -345,6 +345,8 @@ pars_column_def(
 	pars_res_word_t*	type,		/* in: data type */
 	sym_node_t*		len,		/* in: length of column, or
 						NULL */
+	void*			is_unsigned,	/* in: if not NULL, column
+						is of type UNSIGNED. */
 	void*			is_not_null);	/* in: if not NULL, column
 						is of type NOT NULL. */
 /*************************************************************************

pars/pars0grm.h

@@ -114,7 +114,8 @@
      PARS_COMMIT_TOKEN = 340,
      PARS_ROLLBACK_TOKEN = 341,
      PARS_WORK_TOKEN = 342,
-     NEG = 343
+     PARS_UNSIGNED_TOKEN = 343,
+     NEG = 344
    };
 #endif
 #define PARS_INT_LIT 258
@@ -202,7 +203,8 @@
 #define PARS_COMMIT_TOKEN 340
 #define PARS_ROLLBACK_TOKEN 341
 #define PARS_WORK_TOKEN 342
-#define NEG 343
+#define PARS_UNSIGNED_TOKEN 343
+#define NEG 344
 
 
 

pars/pars0grm.y

@@ -115,6 +115,7 @@ yylex(void);
 %token PARS_COMMIT_TOKEN
 %token PARS_ROLLBACK_TOKEN
 %token PARS_WORK_TOKEN
+%token PARS_UNSIGNED_TOKEN
 
 %left PARS_AND_TOKEN PARS_OR_TOKEN
 %left PARS_NOT_TOKEN
@@ -450,8 +451,8 @@ fetch_statement:
 ;
 
 column_def:
-	PARS_ID_TOKEN type_name	opt_column_len opt_not_null
-				{ $$ = pars_column_def($1, $2, $3, $4); }
+	PARS_ID_TOKEN type_name	opt_column_len opt_unsigned opt_not_null
+				{ $$ = pars_column_def($1, $2, $3, $4, $5); }
 ;
 
 column_def_list:
@@ -466,6 +467,13 @@ opt_column_len:
 				{ $$ = $2; }
 ;
 
+opt_unsigned:
+	/* Nothing */		{ $$ = NULL; }
+	| PARS_UNSIGNED_TOKEN
+				{ $$ = &pars_int_token;
+					/* pass any non-NULL pointer */ }
+;
+
 opt_not_null:
 	/* Nothing */		{ $$ = NULL; }
 	| PARS_NOT_TOKEN PARS_NULL_LIT

pars/pars0lex.l

@@ -462,6 +462,10 @@ In the state 'quoted', only two actions are possible (defined below). */
 			return(PARS_WORK_TOKEN);
 }
 
+"UNSIGNED"	{
+			return(PARS_UNSIGNED_TOKEN);
+}
+
 {ID}		{
 			yylval = sym_tab_add_id(pars_sym_tab_global,
 							(byte*)yytext,

pars/pars0pars.c

@@ -1085,6 +1085,8 @@ pars_set_dfield_type(
 	pars_res_word_t*	type,		/* in: pointer to a type
 						token */
 	ulint			len,		/* in: length, or 0 */
+	ibool			is_unsigned,	/* in: if TRUE, column is
+						UNSIGNED. */
 	ibool			is_not_null)	/* in: if TRUE, column is
 						NOT NULL. */
 {
@@ -1094,6 +1096,10 @@ pars_set_dfield_type(
 		flags |= DATA_NOT_NULL;
 	}
 
+	if (is_unsigned) {
+		flags |= DATA_UNSIGNED;
+	}
+
 	if (type == &pars_int_token) {
 		if (len != 0) {
 			ut_error;
@@ -1158,7 +1164,7 @@ pars_variable_declaration(
 
 	node->param_type = PARS_NOT_PARAM;
 
-	pars_set_dfield_type(que_node_get_val(node), type, 0, FALSE);
+	pars_set_dfield_type(que_node_get_val(node), type, 0, FALSE, FALSE);
 
 	return(node);
 }
@@ -1529,6 +1535,8 @@ pars_column_def(
 	pars_res_word_t*	type,		/* in: data type */
 	sym_node_t*		len,		/* in: length of column, or
 						NULL */
+	void*			is_unsigned,	/* in: if not NULL, column
+						is of type UNSIGNED. */
 	void*			is_not_null)	/* in: if not NULL, column
 						is of type NOT NULL. */
 {
@@ -1541,7 +1549,7 @@ pars_column_def(
 	}
 
 	pars_set_dfield_type(que_node_get_val(sym_node), type, len2,
-		is_not_null != NULL);
+		is_unsigned != NULL, is_not_null != NULL);
 
 	return(sym_node);
 }