From 92d245fa8c9e76ad3bbe4a5fea44f7a93885c757 Mon Sep 17 00:00:00 2001
From: yangsiyu <yangsiyu@selectdb.com>
Date: Wed, 24 Sep 2025 17:12:42 +0800
Subject: [PATCH] [fix](inverted index) support dict_compression configuration
 for variant type

---
 .../doris/analysis/InvertedIndexUtil.java     |  2 +-
 .../test_inverted_index_v3.groovy             | 28 +++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
index f1e73c75ca8c55..1f723647784f9b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/InvertedIndexUtil.java
@@ -316,7 +316,7 @@ public static void checkInvertedIndexProperties(Map<String, String> properties,
         }
 
         if (dictCompression != null) {
-            if (!colType.isStringType()) {
+            if (!colType.isStringType() && !colType.isVariantType()) {
                 throw new AnalysisException("dict_compression can only be set for StringType columns. type: "
                         + colType);
             }
diff --git a/regression-test/suites/inverted_index_p0/test_inverted_index_v3.groovy b/regression-test/suites/inverted_index_p0/test_inverted_index_v3.groovy
index 82389d84e3cd67..6ee92c4083b689 100644
--- a/regression-test/suites/inverted_index_p0/test_inverted_index_v3.groovy
+++ b/regression-test/suites/inverted_index_p0/test_inverted_index_v3.groovy
@@ -140,4 +140,32 @@ suite("test_inverted_index_v3", "p0"){
 
     } finally {
     }
+
+    sql """
+      CREATE TABLE `t1` (
+        `id` int NOT NULL,
+        `v` variant<MATCH_NAME_GLOB 'key':text,properties("variant_max_subcolumns_count" = "3")> ,
+        INDEX idx_v (`v`) USING INVERTED PROPERTIES("dict_compression" = "true", "lower_case" = "true", "parser" = "unicode", "support_phrase" = "true", "field_pattern" = "key")
+      ) ENGINE=OLAP
+      DUPLICATE KEY(`id`)
+      DISTRIBUTED BY HASH(`id`) BUCKETS 1
+      PROPERTIES (
+      "replication_allocation" = "tag.location.default: 1",
+      "inverted_index_storage_format" = "V3"
+      );
+    """
+
+    sql """
+      CREATE TABLE `t2` (
+        `id` int NOT NULL,
+        `v` variant,
+        INDEX idx_v (`v`) USING INVERTED PROPERTIES("dict_compression" = "true", "lower_case" = "true", "parser" = "unicode", "support_phrase" = "true")
+      ) ENGINE=OLAP
+      DUPLICATE KEY(`id`)
+      DISTRIBUTED BY HASH(`id`) BUCKETS 1
+      PROPERTIES (
+      "replication_allocation" = "tag.location.default: 1",
+      "inverted_index_storage_format" = "V3"
+      );
+    """
 }
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