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[BUGFIX] fix over size input

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This commit is contained in:
skylhd
2023-07-20 02:18:25 +00:00
committed by ob-robot
parent 3527fd9ded
commit 73c39f6fef
2 changed files with 19 additions and 8 deletions
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24
src/sql/resolver/ob_resolver_utils.cpp
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@ -2064,13 +2064,18 @@ int ObResolverUtils::resolve_const(const ParseNode *node,
val.set_result_flag(NOT_NULL_FLAG);
switch (node->type_) {
case T_HEX_STRING: {
ObString str_val;
str_val.assign_ptr(const_cast<char *>(node->str_value_), static_cast<int32_t>(node->str_len_));
val.set_hex_string(str_val);
val.set_collation_level(CS_LEVEL_COERCIBLE);
val.set_scale(0);
val.set_length(static_cast<int32_t>(node->str_len_));
val.set_param_meta(val.get_meta());
if (node->str_len_ > OB_MAX_LONGTEXT_LENGTH) {
ret = OB_ERR_INVALID_INPUT_ARGUMENT;
LOG_WARN("input str len is over size", K(ret), K(node->str_len_));
} else {
ObString str_val;
str_val.assign_ptr(const_cast<char *>(node->str_value_), static_cast<int32_t>(node->str_len_));
val.set_hex_string(str_val);
val.set_collation_level(CS_LEVEL_COERCIBLE);
val.set_scale(0);
val.set_length(static_cast<int32_t>(node->str_len_));
val.set_param_meta(val.get_meta());
}
break;
}
case T_VARCHAR:
@ -2114,7 +2119,10 @@ int ObResolverUtils::resolve_const(const ParseNode *node,
// val.set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
// LOG_DEBUG("oracle use default cs_type", K(val), K(connection_collation));
// } else if (0 == node->num_child_) {
if (0 == node->num_child_) {
if (node->str_len_ > OB_MAX_LONGTEXT_LENGTH) {
ret = OB_ERR_INVALID_INPUT_ARGUMENT;
LOG_WARN("input str len is over size", K(ret), K(node->str_len_));
} else if (0 == node->num_child_) {
// for STRING without collation, e.g. show tables like STRING;
if (lib::is_mysql_mode() && is_nchar) {
ObString charset(strlen("utf8mb4"), "utf8mb4");