!5791 guc参数disable_keyword_options适配插件

Merge pull request !5791 from 梅程/630-1

src/common/backend/utils/misc/guc/guc_sql.cpp

@@ -3693,6 +3693,19 @@ static void assign_behavior_compat_options(const char* newval, void* extra)
     u_sess->utils_cxt.behavior_compat_flags = result;
 }
 
+typedef int16 (*getIgnoreKeywordTokenHook)(const char *item);
+
+static int get_ignore_keyword_token(const char *item)
+{
+    int token = -1;
+    if (u_sess->hook_cxt.getIgnoreKeywordTokenHook != NULL) {
+        token = ((getIgnoreKeywordTokenHook)u_sess->hook_cxt.getIgnoreKeywordTokenHook)(item);
+    } else {
+        token = semtc_get_ignore_keyword_token(item);
+    }
+    return token;
+}
+
 static bool check_disable_keyword_options(char **newval, void **extra, GucSource source)
 {
     char *rawstring = NULL;
@@ -3714,13 +3727,9 @@ static bool check_disable_keyword_options(char **newval, void **extra, GucSource
     foreach(cell, elemlist)
     {
         const char *item = (const char *)lfirst(cell);
-        int token = semtc_get_ignore_keyword_token(item);
+        int token = get_ignore_keyword_token(item);
         if (token < 0) {
-            GUC_check_errdetail("invalid disable keyword \"%s\"", item);
-            MemoryContextSwitchTo(old_context);
-            pfree(rawstring);
-            list_free(elemlist);
-            return false;
+            ereport(WARNING, (errmsg("invalid disable keyword \"%s\", will be skipped.", item)));
         }
     }
     MemoryContextSwitchTo(old_context);
@@ -3747,7 +3756,7 @@ static void assign_disable_keyword_options(const char *newval, void *extra)
     {
         const char *item = (const char *)lfirst(cell);
 
-        int token = semtc_get_ignore_keyword_token(item);
+        int token = get_ignore_keyword_token(item);
         if (token >= 0) {
             result = lappend_int(result, token);
         }

src/include/knl/knl_session.h

@@ -2938,6 +2938,7 @@ typedef struct knl_u_hook_context {
     void *groupingplannerHook;
     void *replaceNullOrNotHook;
     void *nullsMinimalPolicyHook;
+    void *getIgnoreKeywordTokenHook;
 } knl_u_hook_context;
 
 typedef struct knl_u_libsw_context {

src/test/regress/expected/ignore_keyword_list.out

@@ -12,8 +12,7 @@ select 1 interval; --ok
 (1 row)
 
 set disable_keyword_options = 'intervalxx';
-ERROR:  invalid value for parameter "disable_keyword_options": "intervalxx"
-DETAIL:  invalid disable keyword "intervalxx"
+WARNING:  invalid disable keyword "intervalxx", will be skipped.
 set disable_keyword_options = 'interval,interval';
 select 1 interval; --ok
  interval