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[BUGFIX] fix udf expr type deduce for clob

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This commit is contained in:
obdev
2024-02-09 16:39:27 +00:00
committed by ob-robot
parent 978db9f70d
commit d100c7fee3
1 changed files with 8 additions and 0 deletions
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8
src/sql/engine/expr/ob_expr_udf.cpp
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@ -119,6 +119,14 @@ int ObExprUDF::calc_result_typeN(ObExprResType &type,
if (params_type_.at(i).get_collation_type() == CS_TYPE_ANY) {
if (types[i].is_string_or_lob_locator_type()) {
types[i].set_calc_collation_type(types[i].get_collation_type());
if (lib::is_oracle_mode() && types[i].get_calc_meta().is_clob()) {
ObCollationType dest_collation = ob_is_nstring_type(types[i].get_calc_meta().get_type()) ?
type_ctx.get_session()->get_nls_collation_nation()
: type_ctx.get_session()->get_nls_collation();
if (CS_TYPE_INVALID != dest_collation) {
types[i].set_calc_collation_type(dest_collation);
}
}
} else {
types[i].set_calc_collation_type(type_ctx.get_session()->get_nls_collation());
}