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[BUGFIX] fix routine return type in lob type

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This commit is contained in:
skylhd
2023-05-11 08:18:05 +00:00
committed by ob-robot
parent 04fbc9b286
commit 4b927ebc84
1 changed files with 10 additions and 3 deletions
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13
src/sql/engine/expr/ob_expr_udf.cpp
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@ -560,12 +560,19 @@ int ObExprUDF::eval_udf(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
&& ObLobType == expr.datum_meta_.type_) {
ObLobLocator *value = nullptr;
char *total_buf = NULL;
const int64_t total_buf_len = sizeof(ObLobLocator) + result.get_string_len();
if (OB_ISNULL(total_buf = expr.get_str_res_mem(ctx, total_buf_len))) {
ObString result_data = result.get_string();
if (is_lob_storage(result.get_type())) {
if (OB_FAIL(sql::ObTextStringHelper::read_real_string_data(&allocator, result, result_data))) {
LOG_WARN("failed to get real data for lob", K(ret), K(result));
}
}
const int64_t total_buf_len = sizeof(ObLobLocator) + result_data.length();
if (OB_FAIL(ret)) {
} else if (OB_ISNULL(total_buf = expr.get_str_res_mem(ctx, total_buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("Failed to allocate memory for lob locator", K(ret), K(total_buf_len));
} else if (FALSE_IT(value = reinterpret_cast<ObLobLocator *> (total_buf))) {
} else if (OB_FAIL(value->init(result.get_string()))) {
} else if (OB_FAIL(value->init(result_data))) {
LOG_WARN("Failed to init lob locator", K(ret), K(value));
} else {
result.set_lob_locator(*value);