fix(core): Fix the problem of inserting data with special character table name...

fix(core): Fix the problem of inserting data with special character table name failure.(#222)(#362) (#427)
Co-authored-by: Nmergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

mysql-test/suite/tianmu/r/issue222.result

+use test;
+create table $tt (a$1 int, $b int, c$ int) engine=tianmu;
+insert into $tt values (1,2,3);
+select a$1, $b, c$ from $tt;
+a$1	$b	c$
+1	2	3
+drop table $tt;

mysql-test/suite/tianmu/r/issue362.result

+use test;
+CREATE TABLE `abcÿdef` (i int)engine=tianmu;
+INSERT INTO `abcÿdef` VALUES (1);
+INSERT INTO abcÿdef VALUES (2);
+SELECT * FROM `abcÿdef`;
+i
+1
+2
+SELECT * FROM abcÿdef;
+i
+1
+2
+DROP TABLE `abcÿdef`;

mysql-test/suite/tianmu/t/issue222.test

+use test;
+create table $tt (a$1 int, $b int, c$ int) engine=tianmu;
+insert into $tt values (1,2,3);
+select a$1, $b, c$ from $tt;
+drop table $tt;

mysql-test/suite/tianmu/t/issue362.test

+use test;
+CREATE TABLE `abcÿdef` (i int)engine=tianmu;
+INSERT INTO `abcÿdef` VALUES (1);
+INSERT INTO abcÿdef VALUES (2);
+SELECT * FROM `abcÿdef`;
+SELECT * FROM abcÿdef;
+DROP TABLE `abcÿdef`;

storage/tianmu/core/engine.cpp

@@ -1091,8 +1091,12 @@ static void HandleDelayedLoad(int tid, std::vector<std::unique_ptr<char[]>> &vec
     dbname.length=db_name.length();
     loadquery.str=const_cast<char *>(load_data_query.c_str());
     loadquery.length=load_data_query.length();
-    tabname.str=const_cast<char *>(tab_name.c_str());
-    tabname.length=tab_name.length();
+    
+    // fix issue 362: bug for insert into a table which table name contains special characters
+    char t_tbname[MAX_TABLE_NAME_LEN + 1]={0};
+    tabname.length = filename_to_tablename( const_cast<char *>(tab_name.c_str()),t_tbname, sizeof(t_tbname));
+    tabname.str=t_tbname;
+
     // END
 	
 	//TIANMU UPGRADE

storage/tianmu/core/engine.h

@@ -38,6 +38,7 @@
 #include "system/io_parameters.h"
 #include "system/rc_system.h"
 #include "log.h"
+#include "sql_table.h"
 #include "util/fs.h"
 #include "util/mapped_circular_buffer.h"
 #include "util/thread_pool.h"
@@ -338,6 +339,15 @@ int get_parameter(THD *thd, enum tianmu_var_name vn, int64_t &value);
 int get_parameter(THD *thd, enum tianmu_var_name vn, std::string &value);
 
 bool parameter_equals(THD *thd, enum tianmu_var_name vn, longlong value);
+
+/** The maximum length of an encode table name in bytes.  The max
++table and database names are NAME_CHAR_LEN (64) characters. After the
++encoding, the max length would be NAME_CHAR_LEN (64) *
++FILENAME_CHARSET_MAXNAMLEN (5) = 320 bytes. The number does not include a
++terminating '\0'. InnoDB can handle longer names internally */
+#define MAX_TABLE_NAME_LEN     320
+
+
 }  // namespace core
 }  // namespace Tianmu