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bugfix: char function error

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This commit is contained in:
xq0
2021-07-26 15:57:15 +08:00
committed by wangzelin.wzl
parent 3aa7e08d33
commit c3590d66d0
1 changed files with 14 additions and 1 deletions
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15
src/sql/engine/expr/ob_expr_char.cpp
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@ -167,7 +167,20 @@ int ObExprChar::calc_result_type(ObExprResType& type, ObExprResType& type1) cons
LOG_WARN("invalid type", K(type1), K(ret)); LOG_WARN("invalid type", K(type1), K(ret));
} else { } else {
type.set_varchar(); type.set_varchar();
type.set_collation_type(type1.get_collation_type()); if (type1.is_literal()) {
ObString charset_str = type1.get_param().get_string();
ObCharsetType charset_type = ObCharset::charset_type(charset_str);
if (CHARSET_INVALID == charset_type) {
ret = OB_ERR_UNKNOWN_CHARSET;
LOG_WARN("invalid character set", K(charset_str), K(ret));
LOG_USER_ERROR(OB_ERR_UNKNOWN_CHARSET, charset_str.length(), charset_str.ptr());
} else {
type.set_collation_type(ObCharset::get_default_collation(charset_type));
}
} else {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid type", K(type1), K(ret));
}
type.set_collation_level(CS_LEVEL_COERCIBLE); type.set_collation_level(CS_LEVEL_COERCIBLE);
} }
return ret; return ret;