diff --git a/clients/bigquery/dialect/dialect.go b/clients/bigquery/dialect/dialect.go
index 9fe08cfa5..2d1ae108c 100644
--- a/clients/bigquery/dialect/dialect.go
+++ b/clients/bigquery/dialect/dialect.go
@@ -43,11 +43,13 @@ func (BigQueryDialect) IsTableDoesNotExistErr(_ error) bool {
 
 func (bd BigQueryDialect) BuildIsNotToastValueExpression(tableAlias constants.TableAlias, column columns.Column) string {
 	colName := sql.QuoteTableAliasColumn(tableAlias, column, bd)
-	if column.KindDetails == typing.Struct {
-		return fmt.Sprintf(`COALESCE(TO_JSON_STRING(%s) != '{"key":"%s"}', true)`,
-			colName, constants.ToastUnavailableValuePlaceholder)
+
+	switch column.KindDetails {
+	case typing.Struct, typing.Array:
+		return fmt.Sprintf(`TO_JSON_STRING(%s) NOT LIKE '%s'`, colName, "%"+constants.ToastUnavailableValuePlaceholder+"%")
+	default:
+		return fmt.Sprintf("COALESCE(%s != '%s', true)", colName, constants.ToastUnavailableValuePlaceholder)
 	}
-	return fmt.Sprintf("COALESCE(%s != '%s', true)", colName, constants.ToastUnavailableValuePlaceholder)
 }
 
 func (bd BigQueryDialect) BuildDedupeTableQuery(tableID sql.TableIdentifier, primaryKeys []string) string {
diff --git a/clients/bigquery/storagewrite.go b/clients/bigquery/storagewrite.go
index 828a9060d..e8e84b7c8 100644
--- a/clients/bigquery/storagewrite.go
+++ b/clients/bigquery/storagewrite.go
@@ -243,6 +243,12 @@ func rowToMessage(row map[string]any, columns []columns.Column, messageDescripto
 			if err != nil {
 				return nil, err
 			}
+
+			fmt.Println("Type of values", fmt.Sprintf("%T", values))
+			for _, val := range values {
+				fmt.Println("value", val)
+			}
+
 			list := message.Mutable(field).List()
 			for _, val := range values {
 				list.Append(protoreflect.ValueOfString(val))
diff --git a/clients/shared/merge.go b/clients/shared/merge.go
index 743c7e317..51392e31f 100644
--- a/clients/shared/merge.go
+++ b/clients/shared/merge.go
@@ -151,6 +151,8 @@ func Merge(ctx context.Context, dwh destination.DataWarehouse, tableData *optimi
 		return fmt.Errorf("failed to generate merge statements: %w", err)
 	}
 
+	fmt.Println("mergeStatements", mergeStatements)
+
 	if err = destination.ExecStatements(dwh, mergeStatements); err != nil {
 		return fmt.Errorf("failed to execute merge statements: %w", err)
 	}