zddr commented on code in PR #53462:
URL: https://github.com/apache/doris/pull/53462#discussion_r2212909602
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fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
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@@ -4419,6 +4419,70 @@ public void readFromJson(String json) throws IOException
{
}
}
+ public Map<String, String> getAffectQueryResultVariables() {
+ HashMap<String, String> map = new HashMap<String, String>();
+ try {
+ Field[] fields = SessionVariable.class.getDeclaredFields();
+ for (Field f : fields) {
+ VarAttr varAttr = f.getAnnotation(VarAttr.class);
+ if (varAttr == null || !varAttr.affectQueryResult()) {
+ continue;
+ }
+ map.put(varAttr.name(), String.valueOf(f.get(this)));
+ }
+ } catch (IllegalAccessException e) {
+ LOG.error("failed to get affect query result variables", e);
+ }
+ return map;
+ }
+
+ public void setAffectQueryResultSessionVariables(Map<String, String>
variables) {
+ try {
+ Field[] fields = SessionVariable.class.getDeclaredFields();
+ for (Field f : fields) {
+ f.setAccessible(true);
+ VarAttr varAttr = f.getAnnotation(VarAttr.class);
+ if (varAttr == null || !varAttr.affectQueryResult()) {
+ continue;
+ }
+ String val = variables.get(varAttr.name());
+ if (val == null) {
+ continue;
Review Comment:
Before setting, it is the default value, not copied from global
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