feat(StoneDB 8.0): support view query, port mtr "issue342". (stoneato…

…m#743)

[summary]
1 add condition push down logic in optimize phrase;
2 replace original_field_name function instead of get_result_field;
3 remove unused variable tianmu_bootstrap;
4 eliminate some compile warning;

mysql-test/suite/tianmu/r/issue342.result

@@ -1,9 +1,9 @@
 USE test;
 CREATE TABLE `lineitem_i342` (
-`l_orderkey` int(11) NOT NULL,
-`l_partkey` int(11) NOT NULL,
-`l_suppkey` int(11) NOT NULL,
-`l_linenumber` int(11) NOT NULL,
+`l_orderkey` int NOT NULL,
+`l_partkey` int NOT NULL,
+`l_suppkey` int NOT NULL,
+`l_linenumber` int NOT NULL,
 `l_quantity` decimal(15,2) NOT NULL,
 `l_extendedprice` decimal(15,2) NOT NULL,
 `l_discount` decimal(15,2) NOT NULL,

mysql-test/suite/tianmu/t/issue342.testbak → mysql-test/suite/tianmu/t/issue342.test

@@ -1,9 +1,9 @@
 USE test;
 CREATE TABLE `lineitem_i342` (
-`l_orderkey` int(11) NOT NULL,
-`l_partkey` int(11) NOT NULL,
-`l_suppkey` int(11) NOT NULL,
-`l_linenumber` int(11) NOT NULL,
+`l_orderkey` int NOT NULL,
+`l_partkey` int NOT NULL,
+`l_suppkey` int NOT NULL,
+`l_linenumber` int NOT NULL,
 `l_quantity` decimal(15,2) NOT NULL,
 `l_extendedprice` decimal(15,2) NOT NULL,
 `l_discount` decimal(15,2) NOT NULL,

storage/tianmu/core/query_compile.cpp

@@ -267,7 +267,7 @@ bool Query::FieldUnmysterify(Item *item, TabID &tab, AttrID &col) {
       // Physical table in FROM - RCTable
       int field_num;
       for (field_num = 0; mysql_table->field[field_num]; field_num++)
-        if (mysql_table->field[field_num]->field_name == ifield->get_result_field()->field_name) break;
+        if (std::strcmp(mysql_table->field[field_num]->field_name,ifield->original_field_name()) == 0) break;
       if (!mysql_table->field[field_num]) continue;
       col = AttrID(field_num);
       return true;

storage/tianmu/handler/ha_my_tianmu.cpp

@@ -96,9 +96,9 @@ Query_route_to Tianmu_Handle_Query(THD *thd, Query_expression *qe, Query_result
     if (ret == DBHandler::Query_route_to::TO_MYSQL && AtLeastOneTianmuTableInvolved(qe) &&
         ForbiddenMySQLQueryPath(qe)) {
       my_message(static_cast<int>(common::ErrorCode::UNKNOWN_ERROR),
-                 "The query includes syntax that is not supported by the storage engine. \
-                 Either restructure the query with supported syntax, or enable the MySQL core::Query Path \ 
-                 in config file to execute the query with reduced performance.",
+                 "The query includes syntax that is not supported by the storage engine. "
+                 "Either restructure the query with supported syntax, or enable the MySQL core::Query Path "
+                 "in config file to execute the query with reduced performance.",
                  MYF(0));
       ret = Query_route_to::TO_TIANMU;
     }
@@ -165,6 +165,6 @@ bool Tianmu_Load(THD *thd, sql_exchange *ex, TABLE_LIST *table_list, void *arg)
   return false;
 }
 
-bool Tianmu_Get_Insert_Delayed_Flag(THD *thd) { return tianmu_sysvar_insert_delayed; }
+bool Tianmu_Get_Insert_Delayed_Flag([[maybe_unused]] THD *thd) { return tianmu_sysvar_insert_delayed; }
 }  // namespace DBHandler
 }  // namespace Tianmu

storage/tianmu/handler/ha_my_tianmu.h

@@ -38,7 +38,7 @@ void Tianmu_UpdateAndStoreColumnComment(TABLE *table, int field_id, Field *sourc
 // processing the load operation.
 bool Tianmu_Load(THD *thd, sql_exchange *ex, TABLE_LIST *table_list, void *arg);
 
-bool Tianmu_Get_Insert_Delayed_Flag(THD *thd);
+bool Tianmu_Get_Insert_Delayed_Flag([[maybe_unused]] THD *thd);
 
 }  // namespace DBHandler
 }  //  namespace Tianmu

storage/tianmu/handler/ha_tianmu.cpp

@@ -45,8 +45,6 @@
 namespace Tianmu {
 namespace DBHandler {
 
-extern bool tianmu_bootstrap = 0;
-
 char *strmov_str(char *dst, const char *src) {
   while ((*dst++ = *src++))
     ;
@@ -1714,8 +1712,6 @@ handler *rcbase_create_handler(handlerton *hton, TABLE_SHARE *table, bool partit
 }
 
 int rcbase_panic_func([[maybe_unused]] handlerton *hton, enum ha_panic_function flag) {
-  if (tianmu_bootstrap) return 0;
-
   if (flag == HA_PANIC_CLOSE) {
     delete ha_rcengine_;
     ha_rcengine_ = nullptr;
@@ -1823,8 +1819,6 @@ bool rcbase_show_status([[maybe_unused]] handlerton *hton, THD *thd, stat_print_
   return false;
 }
 
-extern bool tianmu_bootstrap;
-
 static int init_variables() {
   opt_binlog_order_commits = false;
   return 0;
@@ -1857,10 +1851,6 @@ int rcbase_init_func(void *p) {
   tianmu_hton->show_status = rcbase_show_status;
   tianmu_hton->file_extensions = ha_tianmu_exts;
 
-  // When mysqld runs as bootstrap mode, we do not need to initialize
-  // memmanager.
-  if (tianmu_bootstrap) DBUG_RETURN(0);
-
   int ret = 1;
   ha_rcengine_ = nullptr;