diff --git a/src/gausskernel/optimizer/util/pruning.cpp b/src/gausskernel/optimizer/util/pruning.cpp
index 47c86ce14..eb7fb8dfe 100644
--- a/src/gausskernel/optimizer/util/pruning.cpp
+++ b/src/gausskernel/optimizer/util/pruning.cpp
@@ -1172,7 +1172,8 @@ static PruningResult* partitionPruningFromScalarArrayOpExpr
         larg = ((RelabelType*)larg)->arg;
     }
 
-    if (T_Var != nodeTag(larg) || (T_ArrayExpr != nodeTag(rarg) && T_Const != nodeTag(rarg))) {
+    if (T_Var != nodeTag(larg) || (T_ArrayExpr != nodeTag(rarg) && T_Const != nodeTag(rarg) &&
+        T_ArrayCoerceExpr != nodeTag(rarg))) {
         result = makeNode(PruningResult);
         result->state = PRUNING_RESULT_FULL;
         result->isPbeSinlePartition = false;
@@ -1265,6 +1266,37 @@ static PruningResult* partitionPruningFromScalarArrayOpExpr
                 exprList = lappend(exprList, expr);
             }
 
+            if (arrayExpr->useOr) {
+                result = partitionPruningWalker(
+                    (Expr*)makeBoolExpr(OR_EXPR, exprList, 0), pruningCtx);
+            } else {
+                result = partitionPruningWalker(
+                    (Expr*)makeBoolExpr(AND_EXPR, exprList, 0), pruningCtx);
+            }
+            success = true;
+        }
+    } else if (T_ArrayCoerceExpr == nodeTag(rarg)) {
+        List* eleList = NULL;
+        ListCell* element = NULL;
+        ArrayCoerceExpr* rargExpr = (ArrayCoerceExpr*)rarg;
+        if (T_ArrayExpr == nodeTag(rargExpr->arg)) {
+            ArrayExpr* rarg_arg = (ArrayExpr*)(rargExpr->arg);
+            eleList = rarg_arg->elements;
+            foreach (element, eleList) {
+                Expr* eleExpr = (Expr*)lfirst(element);
+                List* eleArgs = NULL;
+                eleArgs = list_make2(copyObject(larg), copyObject(eleExpr));
+                expr = (OpExpr*)makeNode(OpExpr);
+                expr->args = eleArgs;
+                expr->inputcollid = arrayExpr->inputcollid;
+                expr->location = 0;
+                expr->opcollid = arrayExpr->opfuncid;
+                expr->opfuncid = arrayExpr->opfuncid;
+                expr->opno = arrayExpr->opno;
+                expr->opresulttype = BOOLOID;
+                expr->opretset = false;
+                exprList = lappend(exprList, expr);
+            }
             if (arrayExpr->useOr) {
                 result = partitionPruningWalker(
                     (Expr*)makeBoolExpr(OR_EXPR, exprList, 0), pruningCtx);
diff --git a/src/test/regress/expected/partition_pruning.out b/src/test/regress/expected/partition_pruning.out
index 977d8bbcf..25170d3c7 100644
--- a/src/test/regress/expected/partition_pruning.out
+++ b/src/test/regress/expected/partition_pruning.out
@@ -107,4 +107,39 @@ execute p1(2001,3001);
 (0 rows)
 
 drop table test_range_pt;
+create table par4_1188069(id int,a1 text,a2 date,a3 varchar(30))
+partition by range (a3)
+(
+partition p1 values less than('d'),
+partition p2 values less than('k'),
+partition p3 values less than('q'),
+partition p4 values less than('z'));
+insert into par4_1188069 values(generate_series(1,100),'d',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(101,200),'k',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(201,300),'q',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(301,400),null,generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25)); 
+prepare l7_1188069(varchar,varchar) as select * from par4_1188069 where a3 in($1,$2) limit 3;
+explain (analyze,costs off) execute l7_1188069('h','v');
+                                         QUERY PLAN                                         
+--------------------------------------------------------------------------------------------
+--?.*
+--?.*
+         Iterations: PART
+--?.*
+               Filter: ((a3)::text = ANY ((ARRAY[$1, $2])::text[]))
+               Rows Removed by Filter: 256
+               Selected Partitions:  PART
+--?.*
+(8 rows)
+
+execute l7_1188069('H','V');
+ id | a1 |            a2            | a3 
+----+----+--------------------------+----
+--?.*
+--?.*
+--?.*
+(3 rows)
+
+deallocate l7_1188069;
+drop table par4_1188069;
 DROP SCHEMA partition_pruning;
diff --git a/src/test/regress/sql/partition_pruning.sql b/src/test/regress/sql/partition_pruning.sql
index 4772021af..43236db24 100644
--- a/src/test/regress/sql/partition_pruning.sql
+++ b/src/test/regress/sql/partition_pruning.sql
@@ -48,4 +48,25 @@ explain (costs off)execute p1(2001,3001);
 execute p1(2001,3001);
 drop table test_range_pt;
 
+create table par4_1188069(id int,a1 text,a2 date,a3 varchar(30))
+partition by range (a3)
+(
+partition p1 values less than('d'),
+partition p2 values less than('k'),
+partition p3 values less than('q'),
+partition p4 values less than('z'));
+
+insert into par4_1188069 values(generate_series(1,100),'d',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(101,200),'k',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(201,300),'q',generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25));
+insert into par4_1188069 values(generate_series(301,400),null,generate_series(DATE '2022-01-01', DATE '2022-4-10', '1 day'),chr(65 + (generate_series(1,100)-1)%25)); 
+
+prepare l7_1188069(varchar,varchar) as select * from par4_1188069 where a3 in($1,$2) limit 3;
+explain (analyze,costs off) execute l7_1188069('h','v');
+
+execute l7_1188069('H','V');
+
+deallocate l7_1188069;
+drop table par4_1188069;
+
 DROP SCHEMA partition_pruning;