seawinde commented on code in PR #45855:
URL: https://github.com/apache/doris/pull/45855#discussion_r1897059092
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fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/mv/InitMaterializationContextHook.java:
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@@ -104,6 +107,56 @@ protected void
doInitMaterializationContext(CascadesContext cascadesContext) {
}
}
+ private List<MaterializationContext>
getMvIdWithUseMvHint(List<MaterializationContext> mtmvCtxs,
+ UseMvHint
useMvHint) {
+ List<MaterializationContext> hintMTMVs = new ArrayList<>();
+ for (MaterializationContext mtmvCtx : mtmvCtxs) {
+ List<String> mvQualifier =
mtmvCtx.generateMaterializationIdentifier();
+ if (useMvHint.getUseMvTableColumnMap().containsKey(mvQualifier)) {
+ hintMTMVs.add(mtmvCtx);
+ }
+ }
+ return hintMTMVs;
+ }
+
+ private List<MaterializationContext>
getMvIdWithNoUseMvHint(List<MaterializationContext> mtmvCtxs,
+ UseMvHint
useMvHint) {
+ List<MaterializationContext> hintMTMVs = new ArrayList<>();
+ if (useMvHint.isAllMv()) {
+ useMvHint.setStatus(Hint.HintStatus.SUCCESS);
+ return hintMTMVs;
Review Comment:
this means no mv can be written?
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