Fix for bug#3086: SHOW GRANTS doesn't follow ANSI_QUOTES

mysql-test/r/grant.result

@@ -146,6 +146,37 @@ Grants for drop_user@localhost
 GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
 GRANT ALL PRIVILEGES ON `test`.* TO 'drop_user'@'localhost' WITH GRANT OPTION
 GRANT SELECT (a) ON `test`.`t1` TO 'drop_user'@'localhost'
+set sql_mode=ansi_quotes;
+show grants for drop_user@localhost;
+Grants for drop_user@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT ALL PRIVILEGES ON "test".* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT SELECT (a) ON "test"."t1" TO 'drop_user'@'localhost'
+set sql_mode=default;
+set sql_quote_show_create=0;
+show grants for drop_user@localhost;
+Grants for drop_user@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT ALL PRIVILEGES ON test.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT SELECT (a) ON test.t1 TO 'drop_user'@'localhost'
+set sql_mode="ansi_quotes";
+show grants for drop_user@localhost;
+Grants for drop_user@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT ALL PRIVILEGES ON test.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT SELECT (a) ON test.t1 TO 'drop_user'@'localhost'
+set sql_quote_show_create=1;
+show grants for drop_user@localhost;
+Grants for drop_user@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT ALL PRIVILEGES ON "test".* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT SELECT (a) ON "test"."t1" TO 'drop_user'@'localhost'
+set sql_mode="";
+show grants for drop_user@localhost;
+Grants for drop_user@localhost
+GRANT ALL PRIVILEGES ON *.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT ALL PRIVILEGES ON `test`.* TO 'drop_user'@'localhost' WITH GRANT OPTION
+GRANT SELECT (a) ON `test`.`t1` TO 'drop_user'@'localhost'
 revoke all privileges, grant option from drop_user@localhost;
 show grants for drop_user@localhost;
 Grants for drop_user@localhost

mysql-test/t/grant.test

@@ -107,6 +107,23 @@ grant ALL PRIVILEGES on *.* to drop_user@localhost with GRANT OPTION;
 grant ALL PRIVILEGES on test.* to drop_user@localhost with GRANT OPTION;
 grant select(a) on test.t1 to drop_user@localhost;
 show grants for drop_user@localhost;
+
+#
+# Bug3086
+#
+set sql_mode=ansi_quotes;
+show grants for drop_user@localhost;
+set sql_mode=default;
+
+set sql_quote_show_create=0;
+show grants for drop_user@localhost;
+set sql_mode="ansi_quotes";
+show grants for drop_user@localhost;
+set sql_quote_show_create=1;
+show grants for drop_user@localhost;
+set sql_mode="";
+show grants for drop_user@localhost;
+
 revoke all privileges, grant option from drop_user@localhost;
 show grants for drop_user@localhost;
 drop user drop_user@localhost;

sql/sql_acl.cc

@@ -3170,9 +3170,9 @@ int mysql_show_grants(THD *thd,LEX_USER *lex_user)
 	    }
 	  }
 	}
-	db.append (" ON `",5);
-	db.append(acl_db->db);
-	db.append ("`.* TO '",8);
+	db.append (" ON ",4);
+	append_identifier(thd, &db, acl_db->db, strlen(acl_db->db));
+	db.append (".* TO '",7);
 	db.append(lex_user->user.str,lex_user->user.length);
 	db.append ("'@'",3);
 	db.append(lex_user->host.str, lex_user->host.length);
@@ -3270,11 +3270,13 @@ int mysql_show_grants(THD *thd,LEX_USER *lex_user)
 	    }
 	  }
 	}
-	global.append(" ON `",5);
-	global.append(grant_table->db);
-	global.append("`.`",3);
-	global.append(grant_table->tname);
-	global.append("` TO '",6);
+	global.append(" ON ",4);
+	append_identifier(thd, &global, grant_table->db,
+			  strlen(grant_table->db));
+	global.append('.');
+	append_identifier(thd, &global, grant_table->tname,
+			  strlen(grant_table->tname));
+	global.append(" TO '",5);
 	global.append(lex_user->user.str,lex_user->user.length);
 	global.append("'@'",3);
 	global.append(lex_user->host.str,lex_user->host.length);