revert 65531c5ec8cd5c6dd23a4c02bbb41b0288a3da16

revert 	修改：     cmake/Env.cmake
	修改：     src/objit/CMakeLists.txt

deps/easy/src/include/easy_atomic.h

@@ -87,8 +87,8 @@ static __inline__ void easy_spin_lock(easy_atomic_t *lock)
                 __asm__ (".byte 0xf3, 0x90");
 #elif defined(__aarch64__)
                 __asm__ ("yield");  // for ARM
-#elif defined(__loongarch_lp64)
+#elif defined(__loongarch__)
-                __asm__ ("ibar 0");  // for ARM
+                __asm__ ("ibar 0");  // for LOONGARCH
 #else
     #error arch unsupported
 #endif
@@ -148,6 +148,8 @@ static __inline__ int easy_spinrwlock_rdlock(easy_spinrwlock_t *lock)
                 asm("pause");
 #elif defined(__aarch64__)
                 asm("yield");  // for ARM
+#elif defined(__loongarch__)
+                asm("ibar 0");    // loongarch
 #else
     #error arch unsupported
 #endif
@@ -189,6 +191,8 @@ static __inline__ int easy_spinrwlock_wrlock(easy_spinrwlock_t *lock)
                 asm("pause");
 #elif defined(__aarch64__)
                 asm("yield");  // for ARM
+#elif defined(__loongarch__)
+                asm("ibar 0");    // loongarch
 #else
     #error arch unsupported
 #endif

deps/easy/src/io/easy_ssl.c

@@ -451,7 +451,6 @@ static int easy_ssl_handshake(easy_connection_t *c)
 
         return EASY_OK;
     }
-#endif
 
     sslerr = SSL_get_error(c->sc->connection, n);
     easy_debug_log("SSL_get_error: %d %s errno=%d", sslerr, easy_connection_str(c), errno);

deps/easy/src/io/ev.c

@@ -531,6 +531,8 @@ EV_CPP(extern "C" {
   #define ev_mb() __asm__ __volatile ("mfence" ::: "memory")
 #elif defined(__aarch64__)
   #define ev_mb() __asm__ __volatile ("dsb sy" ::: "memory")  //for ARM
+#elif defined(__loongarch__)
+  #define ev_mb() __asm__ __volatile ("dbar 0" :: : "memory") //for loongarch
 #else
     #error arch unsupported
 #endif

deps/easy/src/util/easy_time.c

@@ -135,7 +135,7 @@ static __inline__ uint64_t rdtscp()
     __asm__ __volatile__("rdtscp" : "=a"(rax), "=d"(rdx) :: "%rcx");
     return (rdx << 32) + rax;
 }
-#else
+#elif defined(__aarch64__)
 static __inline__ uint64_t rdtscp()
 {
     int64_t virtual_timer_value;
@@ -147,9 +147,21 @@ static __inline__ uint64_t rdtsc()
     return rdtscp();
 }
 
+#elif defined(__loongarch__)
+static __inline__ uint64_t rdtscp()
+{
+    uint64_t count;
+    asm volatile("rdtime.d %[cycles], $zero\n" : [cycles] "=r" (count) ::);
+    return count;
+}
+static __inline__ uint64_t rdtsc()
+{
+    return rdtscp();
+}
+
 #endif
 
-#if defined(__x86_64__)
+#if defined(__x86_64__) || defined(__loongarch__)
 // 读取cpu频率
 uint64_t get_cpufreq_khz()
 {
@@ -172,13 +184,17 @@ uint64_t get_cpufreq_khz()
 
     return freq_khz;
 }
-#else
+#elif defined(__aarch64__)
 uint64_t get_cpufreq_khz(void)
 {
     uint64_t timer_frequency;
     asm volatile("mrs %0, cntfrq_el0":"=r"(timer_frequency));
     return timer_frequency / 1000;
 }
+//#elif defined(__loongarch__)
+//uint64_t get_cpufreq_khz(void)
+//{
+//}
 #endif
 
 // 初始化tsc时钟

deps/easy/src/util/easy_util.h

@@ -19,7 +19,17 @@ static inline cycles_t easy_get_cycles()
     return val;
 }
 
-#else
+#elif defined(__loongarch__)
+
+static inline cycles_t easy_get_cycles()
+{
+
+    uint64_t count;
+    asm volatile("rdtime.d %[cycles], $zero\n" : [cycles] "=r" (count) ::);
+    return count;
+}
+
+#elif defined(__aarch64__)
 
 static inline uint64_t easy_rdtscp()
 {

deps/oblib/src/lib/utility/utility.h

@@ -568,7 +568,7 @@ inline bool is_cpu_support_sse42()
       : "a"(1)
       :);
   return 0 != (data & CPUID_STD_SSE4_2);
- #elif defined(__aarch64__)
+ #elif defined(__aarch64__) || defined(__loongarch__)
   return 0;
  #else
   #error arch unsupported

src/sql/parser/sql_parser_mysql_mode.y

@@ -56,7 +56,7 @@ extern int easy_vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 %}
 
 %destructor {destroy_tree($$);}<node>
-%destructor {oceanbase::common::ob_free($$);}<str_value_>
+//%destructor {oceanbase::common::ob_free($$);}<str_value_>
 
 %token <node> NAME_OB
 %token <node> STRING_VALUE
@@ -124,7 +124,7 @@ extern int easy_vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 %left	AND AND_OP
 %left BETWEEN CASE WHEN THEN ELSE
 %nonassoc LOWER_THAN_COMP
-%left COMP_EQ COM P_NSEQ COMP_GE COMP_GT COMP_LE COMP_LT COMP_NE IS LIKE IN REGEXP SOUNDS
+%left COMP_EQ COMP_NSEQ COMP_GE COMP_GT COMP_LE COMP_LT COMP_NE IS LIKE IN REGEXP SOUNDS
 %nonassoc STRING_VALUE
 %right ESCAPE /*for conflict for escape*/
 %left '|'
@@ -11271,11 +11271,11 @@ NAME_OB
 {
   $$ = $1;
 }
-| name_list NAME_OB %prec COMMA
+| name_list NAME_OB %prec LOWER_COMMA
 {
   malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $2);
 }
-| name_list ',' NAME_OB %prec COMMA
+| name_list ',' NAME_OB %prec LOWER_COMMA
 {
   malloc_non_terminal_node($$, result->malloc_pool_, T_LINK_NODE, 2, $1, $3);
 }