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fix string type null value error in dblink.

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This commit is contained in:
cqliang1995
2023-05-17 08:16:49 +00:00
committed by ob-robot
parent 3fdda9347e
commit 477943c609
3 changed files with 11 additions and 2 deletions
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4
src/sql/engine/dml/ob_link_op.cpp
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@ -240,6 +240,10 @@ int ObLinkOp::combine_link_stmt(const ObString &link_stmt_fmt,
int64_t param_idx = param_infos.at(next_param).idx_;
const ObObjParam &param = param_store.at(param_idx);
ObObjPrintParams obj_print_params = CREATE_OBJ_PRINT_PARAM(ctx_.get_my_session());
if (lib::is_oracle_mode() && ObSQLUtils::is_oracle_empty_string(param)) {
obj_print_params.print_null_string_value_ = true;
}
if (DBLINK_DRV_OCI == link_type_) {
// Ensure that when oceanbase connects to oracle,
// the target character set of param is the same as that of oci connection.