diff --git a/src/common/backend/parser/parse_oper.cpp b/src/common/backend/parser/parse_oper.cpp
index 2093e3c0f..292157e3d 100644
--- a/src/common/backend/parser/parse_oper.cpp
+++ b/src/common/backend/parser/parse_oper.cpp
@@ -402,6 +402,16 @@ Operator oper(ParseState* pstate, List* opname, Oid ltypeId, Oid rtypeId, bool n
         rtypeId = NUMERICOID;
     }
 
+    /*
+     * In A_FORMAT compatibility and CHAR_COERCE_COMPAT, we choose TEXT-related
+     * operators for varchar and bpchar.
+     */
+    if (DB_IS_CMPT(A_FORMAT) && CHAR_COERCE_COMPAT && (((ltypeId == VARCHAROID) && (rtypeId == BPCHAROID)) ||
+        ((rtypeId == VARCHAROID) && (ltypeId == BPCHAROID)))) {
+        ltypeId = TEXTOID;
+        rtypeId = TEXTOID;
+    }
+
     /*
      * Try to find the mapping in the lookaside cache.
      */
diff --git a/src/gausskernel/runtime/codegen/vecexecutor/vecexprcodegen.cpp b/src/gausskernel/runtime/codegen/vecexecutor/vecexprcodegen.cpp
index a0f0e5f06..eaa4c0f66 100644
--- a/src/gausskernel/runtime/codegen/vecexecutor/vecexprcodegen.cpp
+++ b/src/gausskernel/runtime/codegen/vecexecutor/vecexprcodegen.cpp
@@ -658,8 +658,16 @@ bool VecExprCodeGen::OpJittable(ExprState* state)
         return false;
 
     switch (opexpr->opno) {
+        case TEXTEQOID:
+        case TEXTNEOID:
+        case TEXTLEOID:
+        case TEXTGEOID:
         case TEXTLTOID:
         case TEXTGTOID: {
+            if (DB_IS_CMPT(A_FORMAT) && CHAR_COERCE_COMPAT) {
+                return false;
+            }
+
             /* Only support ASCII and UTF-8 encoding */
             int current_encoding = GetDatabaseEncoding();
             if (current_encoding != PG_SQL_ASCII && current_encoding != PG_UTF8)
diff --git a/src/gausskernel/runtime/vecexecutor/vecprimitive/varchar.inl b/src/gausskernel/runtime/vecexecutor/vecprimitive/varchar.inl
index 9d60cca42..96b8cc3bb 100755
--- a/src/gausskernel/runtime/vecexecutor/vecprimitive/varchar.inl
+++ b/src/gausskernel/runtime/vecexecutor/vecprimitive/varchar.inl
@@ -765,7 +765,7 @@ vtrim1(PG_FUNCTION_ARGS)
 	FunctionCallInfoData finfo;
 
 	finfo.arg = &args[0];
-
+	finfo.flinfo = fcinfo->flinfo;
 
 	if (pselection != NULL)
 	{
diff --git a/src/include/catalog/pg_operator.h b/src/include/catalog/pg_operator.h
index d03916cf9..89e94322f 100644
--- a/src/include/catalog/pg_operator.h
+++ b/src/include/catalog/pg_operator.h
@@ -165,8 +165,11 @@ typedef FormData_pg_operator *Form_pg_operator;
 #define INT1EQOID 5513
 #define OID_NAME_REGEXEQ_OP        639
 #define OID_TEXT_REGEXEQ_OP        641
+#define TEXTNEOID 531
 #define TEXTLTOID 664
+#define TEXTLEOID 665
 #define TEXTGTOID 666
+#define TEXTGEOID 667
 #define FLOAT8EQOID    670
 #define FLOAT8NEOID    671
 #define FLOAT8LTOID    672
diff --git a/src/test/regress/expected/single_node_varchar.out b/src/test/regress/expected/single_node_varchar.out
index dae59316b..d5c2d9343 100644
--- a/src/test/regress/expected/single_node_varchar.out
+++ b/src/test/regress/expected/single_node_varchar.out
@@ -154,3 +154,236 @@ select length(rtrim('123   '));
 (1 row)
 
 set behavior_compat_options = '';
+set behavior_compat_options = 'char_coerce_compat';
+create table tbl_111 (id int);
+insert into tbl_111 values(1);
+select count(*) from tbl_111 where cast(' ' as char(5)) = cast(' ' as varchar(5));
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) = cast('abc ' as varchar(10));
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where cast(' ' as char(5)) != cast(' ' as varchar(5));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) != cast('abc ' as varchar(10));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast(' ' as char(5)) > cast(' ' as varchar(5));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) > cast('abc ' as varchar(10));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast(' ' as char(5)) >= cast(' ' as varchar(5));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) >= cast('abc ' as varchar(10));
+ count 
+-------
+     1
+(1 row)
+
+select count(*) from tbl_111 where cast(' ' as char(5)) < cast(' ' as varchar(5));
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) < cast('abc ' as varchar(10));
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where cast(' ' as char(5)) <= cast(' ' as varchar(5));
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where cast('abc ' as char(10)) <= cast('abc ' as varchar(10));
+ count 
+-------
+     0
+(1 row)
+
+drop table tbl_111;
+create table tbl_111 (a char(5), b varchar(5));
+insert into tbl_111 values (' ', ' ');
+insert into tbl_111 values ('abc ', 'abc ');
+select count(*) from tbl_111 where a = b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a != b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a > b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a >= b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a < b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a <= b;
+ count 
+-------
+     0
+(1 row)
+
+set try_vector_engine_strategy='force';
+select count(*) from tbl_111 where a = b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a != b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a > b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a >= b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a < b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a <= b;
+ count 
+-------
+     0
+(1 row)
+
+set try_vector_engine_strategy='off';
+drop table tbl_111;
+create table tbl_111 (a char(5), b varchar(5)) with (orientation = column);
+insert into tbl_111 values (' ', ' ');
+insert into tbl_111 values ('abc ', 'abc ');
+select count(*) from tbl_111 where a = b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a != b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a > b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a >= b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a < b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a <= b;
+ count 
+-------
+     0
+(1 row)
+
+set enable_codegen to true;
+set codegen_cost_threshold to 0;
+select count(*) from tbl_111 where a = b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a != b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a > b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a >= b;
+ count 
+-------
+     2
+(1 row)
+
+select count(*) from tbl_111 where a < b;
+ count 
+-------
+     0
+(1 row)
+
+select count(*) from tbl_111 where a <= b;
+ count 
+-------
+     0
+(1 row)
+
+drop table tbl_111;
+set behavior_compat_options = '';
diff --git a/src/test/regress/sql/single_node_varchar.sql b/src/test/regress/sql/single_node_varchar.sql
index 0147ae336..48e604499 100644
--- a/src/test/regress/sql/single_node_varchar.sql
+++ b/src/test/regress/sql/single_node_varchar.sql
@@ -85,3 +85,70 @@ select length(rtrim('123   '));
 set behavior_compat_options = 'char_coerce_compat';
 select length(rtrim('123   '));
 set behavior_compat_options = '';
+
+set behavior_compat_options = 'char_coerce_compat';
+create table tbl_111 (id int);
+insert into tbl_111 values(1);
+
+select count(*) from tbl_111 where cast(' ' as char(5)) = cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) = cast('abc ' as varchar(10));
+
+select count(*) from tbl_111 where cast(' ' as char(5)) != cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) != cast('abc ' as varchar(10));
+
+select count(*) from tbl_111 where cast(' ' as char(5)) > cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) > cast('abc ' as varchar(10));
+
+select count(*) from tbl_111 where cast(' ' as char(5)) >= cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) >= cast('abc ' as varchar(10));
+
+select count(*) from tbl_111 where cast(' ' as char(5)) < cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) < cast('abc ' as varchar(10));
+
+select count(*) from tbl_111 where cast(' ' as char(5)) <= cast(' ' as varchar(5));
+select count(*) from tbl_111 where cast('abc ' as char(10)) <= cast('abc ' as varchar(10));
+
+drop table tbl_111;
+
+create table tbl_111 (a char(5), b varchar(5));
+insert into tbl_111 values (' ', ' ');
+insert into tbl_111 values ('abc ', 'abc ');
+select count(*) from tbl_111 where a = b;
+select count(*) from tbl_111 where a != b;
+select count(*) from tbl_111 where a > b;
+select count(*) from tbl_111 where a >= b;
+select count(*) from tbl_111 where a < b;
+select count(*) from tbl_111 where a <= b;
+
+set try_vector_engine_strategy='force';
+select count(*) from tbl_111 where a = b;
+select count(*) from tbl_111 where a != b;
+select count(*) from tbl_111 where a > b;
+select count(*) from tbl_111 where a >= b;
+select count(*) from tbl_111 where a < b;
+select count(*) from tbl_111 where a <= b;
+set try_vector_engine_strategy='off';
+
+drop table tbl_111;
+
+create table tbl_111 (a char(5), b varchar(5)) with (orientation = column);
+insert into tbl_111 values (' ', ' ');
+insert into tbl_111 values ('abc ', 'abc ');
+select count(*) from tbl_111 where a = b;
+select count(*) from tbl_111 where a != b;
+select count(*) from tbl_111 where a > b;
+select count(*) from tbl_111 where a >= b;
+select count(*) from tbl_111 where a < b;
+select count(*) from tbl_111 where a <= b;
+
+set enable_codegen to true;
+set codegen_cost_threshold to 0;
+select count(*) from tbl_111 where a = b;
+select count(*) from tbl_111 where a != b;
+select count(*) from tbl_111 where a > b;
+select count(*) from tbl_111 where a >= b;
+select count(*) from tbl_111 where a < b;
+select count(*) from tbl_111 where a <= b;
+
+drop table tbl_111;
+set behavior_compat_options = '';