diff --git a/src/option.c b/src/option.c
index c82a7f01..c126c8e8 100644
--- a/src/option.c
+++ b/src/option.c
@@ -85,8 +85,6 @@ static bool
 is_ch_option(const char* keyword);
 static bool
 parse_min_tls_version(const char* val, tls_version* out);
-static bool
-parse_encoding_check(const char* val, pgch_encoding_check* out);
 
 /*
  * Validate the generic options given to a FOREIGN DATA WRAPPER, SERVER,
@@ -172,7 +170,7 @@ clickhouse_fdw_validator(PG_FUNCTION_ARGS) {
             const char* val = defGetString(def);
             pgch_encoding_check v;
 
-            if (!parse_encoding_check(val, &v)) {
+            if (!pgch_parse_encoding_check(val, &v)) {
                 ereport(
                     ERROR,
                     errcode(ERRCODE_FDW_INVALID_STRING_FORMAT),
@@ -278,23 +276,6 @@ parse_min_tls_version(const char* val, tls_version* out) {
     return true;
 }
 
-/* Map an encoding_check option value to pgch_encoding_check. */
-static bool
-parse_encoding_check(const char* val, pgch_encoding_check* out) {
-    if (pg_strcasecmp(val, "replace") == 0) {
-        *out = CHC_ENC_REPLACE;
-    } else if (pg_strcasecmp(val, "remove") == 0) {
-        *out = CHC_ENC_REMOVE;
-    } else if (pg_strcasecmp(val, "truncate") == 0) {
-        *out = CHC_ENC_TRUNCATE;
-    } else if (pg_strcasecmp(val, "fail") == 0) {
-        *out = CHC_ENC_FAIL;
-    } else {
-        return false;
-    }
-    return true;
-}
-
 /*
  * Check whether the given option is one of the valid clickhouse_fdw options.
  * context is the Oid of the catalog holding the object the option is for.
@@ -363,7 +344,7 @@ chfdw_extract_options(
             *driver = defGetString(def);
         } else if (encoding_check && strcmp(def->defname, "encoding_check") == 0) {
             /* invalid values rejected by the validator; ignore here */
-            parse_encoding_check(defGetString(def), encoding_check);
+            pgch_parse_encoding_check(defGetString(def), encoding_check);
         }
 
         if (is_ch_option(def->defname)) {
diff --git a/vendor/pg-clickhouse-c b/vendor/pg-clickhouse-c
index 3cc34cb3..f45f0563 160000
--- a/vendor/pg-clickhouse-c
+++ b/vendor/pg-clickhouse-c
@@ -1 +1 @@
-Subproject commit 3cc34cb3e2506305b21374e8b90ee50e2d5bfd61
+Subproject commit f45f05634627c2c0f148700fbe39f948e91efdea