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set the initial value of wrs to scn min

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This commit is contained in:
obdev
2022-11-28 02:55:06 +00:00
committed by ob-robot
parent 99d4f56fec
commit 87a9357186
406 changed files with 6473 additions and 50308 deletions
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7
src/sql/engine/expr/ob_expr_nvl.cpp
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@ -38,8 +38,7 @@ int ObExprNvlUtil::calc_result_type(ObExprResType &type,
LOG_WARN("get nvl type failed", K(ret), K(type1), K(type2));
} else if (OB_UNLIKELY(type.is_invalid())) {
ret = OB_ERR_INVALID_TYPE_FOR_OP;
}
if (OB_SUCC(ret) && ob_is_string_type(type.get_type())) {
} else if (ob_is_string_type(type.get_type())) {
ObCollationLevel res_cs_level = CS_LEVEL_INVALID;
ObCollationType res_cs_type = CS_TYPE_INVALID;
if (lib::is_oracle_mode()) {
@ -60,9 +59,11 @@ int ObExprNvlUtil::calc_result_type(ObExprResType &type,
type.set_collation_level(res_cs_level);
type.set_collation_type(res_cs_type);
}
} else if (OB_SUCC(ret) && ob_is_raw(type.get_type())) {
} else if (ob_is_raw(type.get_type())) {
type.set_collation_level(CS_LEVEL_NUMERIC);
type.set_collation_type(CS_TYPE_BINARY);
} else if (ob_is_json(type.get_type())) {
type.set_collation_level(CS_LEVEL_IMPLICIT);
}
if (OB_SUCC(ret)) {
type.set_length(MAX(type1.get_length(), type2.get_length()));