diff --git a/ydb/library/yql/sql/pg/pg_sql.cpp b/ydb/library/yql/sql/pg/pg_sql.cpp
index 9bb561242acf..35d5ab5e5716 100644
--- a/ydb/library/yql/sql/pg/pg_sql.cpp
+++ b/ydb/library/yql/sql/pg/pg_sql.cpp
@@ -2159,25 +2159,34 @@ class TConverter : public IPGParseEvents {
 
         auto name = to_lower(TString(value->name));
         if (name == "search_path") {
-            if (ListLength(value->args) != 1) {
-                AddError(TStringBuilder() << "VariableSetStmt, expected 1 arg, but got: " << ListLength(value->args));
-                return nullptr;
-            }
-            auto val = ListNodeNth(value->args, 0);
-            if (!isSetConfig) {
-                if (NodeTag(val) == T_A_Const) {
-                    val = (const Node*)&CAST_NODE(A_Const, val)->val;
-                } else {
-                    AddError(TStringBuilder() << "VariableSetStmt, expected const for " << value->name << " option");
+            THashSet<TString> visitedValues;
+            TVector<TString> values;
+            for (int i = 0; i < ListLength(value->args); ++i) {
+                auto val = ListNodeNth(value->args, i);
+                if (!isSetConfig) {
+                    if (NodeTag(val) == T_A_Const) {
+                        val = (const Node*)&CAST_NODE(A_Const, val)->val;
+                    } else {
+                        AddError(TStringBuilder() << "VariableSetStmt, expected const for " << value->name << " option");
+                        return nullptr;
+                    }
+                }
+
+                if (NodeTag(val) != T_String) {
+                    AddError(TStringBuilder() << "VariableSetStmt, expected string literal for " << value->name << " option");
                     return nullptr;
                 }
+                TString rawStr = to_lower(TString(StrVal(val)));
+                if (visitedValues.emplace(rawStr).second) {
+                    values.emplace_back(rawStr);
+                }
             }
 
-            if (NodeTag(val) != T_String) {
-                AddError(TStringBuilder() << "VariableSetStmt, expected string literal for " << value->name << " option");
+            if (values.size() != 1) {
+                AddError(TStringBuilder() << "VariableSetStmt, expected 1 unique scheme, but got: " << values.size());
                 return nullptr;
             }
-            TString rawStr = to_lower(TString(StrVal(val)));
+            auto rawStr = values[0];
             if (rawStr != "pg_catalog" && rawStr != "public" && rawStr != "" && rawStr != "information_schema") {
                 AddError(TStringBuilder() << "VariableSetStmt, search path supports only 'information_schema', 'public', 'pg_catalog', '' but got: '" << rawStr << "'");
                 return nullptr;
diff --git a/ydb/library/yql/tests/sql/dq_file/part8/canondata/result.json b/ydb/library/yql/tests/sql/dq_file/part8/canondata/result.json
index 2dc7935b0e0e..d924aa2b8bb0 100644
--- a/ydb/library/yql/tests/sql/dq_file/part8/canondata/result.json
+++ b/ydb/library/yql/tests/sql/dq_file/part8/canondata/result.json
@@ -2207,6 +2207,28 @@
         }
     ],
     "test.test[pg-distinct_on_single_projection_no_order-default.txt-Results]": [],
+    "test.test[pg-doubles_search_path-default.txt-Analyze]": [
+        {
+            "checksum": "fd1b97c2f54d4e50aa4de237cf4d4fa7",
+            "size": 5591,
+            "uri": "https://{canondata_backend}/1936842/4c93d91b791c8afc87ba8ddb554fd8416c95c5a3/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Analyze_/plan.txt"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Debug]": [
+        {
+            "checksum": "298c84fb95295be7e6f186f5c5dd6b64",
+            "size": 2865,
+            "uri": "https://{canondata_backend}/1936842/4c93d91b791c8afc87ba8ddb554fd8416c95c5a3/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Debug_/opt.yql_patched"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Plan]": [
+        {
+            "checksum": "fd1b97c2f54d4e50aa4de237cf4d4fa7",
+            "size": 5591,
+            "uri": "https://{canondata_backend}/1936842/4c93d91b791c8afc87ba8ddb554fd8416c95c5a3/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Plan_/plan.txt"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Results]": [],
     "test.test[pg-order_by_shadow_input_columns_qual-default.txt-Analyze]": [
         {
             "checksum": "b4dd508a329723c74293d80f0278c705",
diff --git a/ydb/library/yql/tests/sql/hybrid_file/part5/canondata/result.json b/ydb/library/yql/tests/sql/hybrid_file/part5/canondata/result.json
index f7d567ae12f1..0e748511fac2 100644
--- a/ydb/library/yql/tests/sql/hybrid_file/part5/canondata/result.json
+++ b/ydb/library/yql/tests/sql/hybrid_file/part5/canondata/result.json
@@ -1646,9 +1646,23 @@
     ],
     "test.test[pg-join_using_tables1-default.txt-Plan]": [
         {
-            "checksum": "c5f207bd0617164c2954b2b2cd0da34a",
-            "size": 7043,
-            "uri": "https://{canondata_backend}/1942671/586e1cad89b59a85e10d70e6019aeefccc0f0382/resource.tar.gz#test.test_pg-join_using_tables1-default.txt-Plan_/plan.txt"
+            "checksum": "2285226db23bdeb50a3b9be08816a9e1",
+            "size": 5286,
+            "uri": "https://{canondata_backend}/1889210/ef7367b4155f26b3ef23170f285effb15331f727/resource.tar.gz#test.test_pg-join_using_tables1-default.txt-Plan_/plan.txt"
+       	}
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Debug]": [
+        {
+            "checksum": "ea64351f9e62c70ad3ea607991b54517",
+            "size": 3388,
+            "uri": "https://{canondata_backend}/1936842/06c9068023d4aba6d1f84ef3d63cea3dfcf5c68c/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Debug_/opt.yql_patched"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Plan]": [
+        {
+            "checksum": "78f0e1e757a64d6371b7201489602b7a",
+            "size": 5824,
+            "uri": "https://{canondata_backend}/1936842/06c9068023d4aba6d1f84ef3d63cea3dfcf5c68c/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Plan_/plan.txt"
         }
     ],
     "test.test[pg-order_by_distinct_same_expr_agg-default.txt-Debug]": [
diff --git a/ydb/library/yql/tests/sql/sql2yql/canondata/result.json b/ydb/library/yql/tests/sql/sql2yql/canondata/result.json
index 2876c02db9bc..1748ad606254 100644
--- a/ydb/library/yql/tests/sql/sql2yql/canondata/result.json
+++ b/ydb/library/yql/tests/sql/sql2yql/canondata/result.json
@@ -11066,6 +11066,13 @@
             "uri": "https://{canondata_backend}/1781765/838f2ea2c0326d84b118c1ad739c96cc6935c327/resource.tar.gz#test_sql2yql.test_pg-distinct_on_single_projection_order_expr_/sql.yql"
         }
     ],
+    "test_sql2yql.test[pg-doubles_search_path]": [
+        {
+            "checksum": "916f87f6b75cf45a4534a43c50d0cb5b",
+            "size": 618,
+            "uri": "https://{canondata_backend}/1936947/6c85d45b858dd603cc78503a28189df349b6a33d/resource.tar.gz#test_sql2yql.test_pg-doubles_search_path_/sql.yql"
+        }
+    ],
     "test_sql2yql.test[pg-drop_table]": [
         {
             "checksum": "a17122997a6bf872af77c286174322eb",
diff --git a/ydb/library/yql/tests/sql/suites/pg/doubles_search_path.sql b/ydb/library/yql/tests/sql/suites/pg/doubles_search_path.sql
new file mode 100644
index 000000000000..f35d89bdca77
--- /dev/null
+++ b/ydb/library/yql/tests/sql/suites/pg/doubles_search_path.sql
@@ -0,0 +1,3 @@
+--!syntax_pg
+SET search_path = "public", public;
+select count(*) from plato."Input";
diff --git a/ydb/library/yql/tests/sql/yt_native_file/part8/canondata/result.json b/ydb/library/yql/tests/sql/yt_native_file/part8/canondata/result.json
index 12ea88b7c4e5..fc38a9d2e392 100644
--- a/ydb/library/yql/tests/sql/yt_native_file/part8/canondata/result.json
+++ b/ydb/library/yql/tests/sql/yt_native_file/part8/canondata/result.json
@@ -1946,6 +1946,27 @@
             "uri": "https://{canondata_backend}/1773845/6143a04775e36199e856448cbf4178c399f51a42/resource.tar.gz#test.test_pg-distinct_on_single_projection_no_order-default.txt-Results_/results.txt"
         }
     ],
+    "test.test[pg-doubles_search_path-default.txt-Debug]": [
+        {
+            "checksum": "be03c9b8e3aeadbe2b2ed449c3d4e42a",
+            "size": 2907,
+            "uri": "https://{canondata_backend}/1936842/735d816861a5616c53b1eee68a7a6a4cbda384a4/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Debug_/opt.yql"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Plan]": [
+        {
+            "checksum": "c28acd305df85fa1613226503487ff19",
+            "size": 4552,
+            "uri": "https://{canondata_backend}/1936842/735d816861a5616c53b1eee68a7a6a4cbda384a4/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Plan_/plan.txt"
+        }
+    ],
+    "test.test[pg-doubles_search_path-default.txt-Results]": [
+        {
+            "checksum": "308de242a9e376534973cfd8c4e97327",
+            "size": 660,
+            "uri": "https://{canondata_backend}/1936842/735d816861a5616c53b1eee68a7a6a4cbda384a4/resource.tar.gz#test.test_pg-doubles_search_path-default.txt-Results_/results.txt"
+        }
+    ],
     "test.test[pg-order_by_shadow_input_columns_qual-default.txt-Debug]": [
         {
             "checksum": "ddee8cf57e110cdad12ba4c177ce1145",