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fix deduce type bug of expr decode

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This commit is contained in:
yinyj17
2023-07-11 10:48:27 +00:00
committed by ob-robot
parent fa010efcd4
commit 1194d728cc
1 changed files with 1 additions and 1 deletions
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src/sql/engine/expr/ob_expr_oracle_decode.cpp
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@ -93,7 +93,7 @@ int ObExprOracleDecode::calc_result_typeN(ObExprResType &type,
// 兼容Oracle行为, 如果结果是Char类型, 需要转为Varchar // 兼容Oracle行为, 如果结果是Char类型, 需要转为Varchar
type.set_varchar(); type.set_varchar();
type.set_length_semantics(types_stack[RESULT_TYPE_INDEX].is_varchar_or_char() ? types_stack[RESULT_TYPE_INDEX].get_length_semantics() : default_length_semantics); type.set_length_semantics(types_stack[RESULT_TYPE_INDEX].is_varchar_or_char() ? types_stack[RESULT_TYPE_INDEX].get_length_semantics() : default_length_semantics);
} else if (lib::is_oracle_mode() && ob_is_nchar(types_stack[RESULT_TYPE_INDEX].get_type())) { } else if (lib::is_oracle_mode() && ob_is_nstring(types_stack[RESULT_TYPE_INDEX].get_type())) {
type.set_nvarchar2(); type.set_nvarchar2();
type.set_length_semantics(LS_CHAR); type.set_length_semantics(LS_CHAR);
} else { } else {