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bugfix : json query null pointer cause core-dump

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obdev
2023-03-21 17:24:09 +00:00
committed by ob-robot
parent a7c5fc2509
commit 20f0d63cf4
1 changed files with 5 additions and 2 deletions
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7
src/sql/engine/expr/ob_expr_json_query.cpp
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@ -425,12 +425,15 @@ int ObExprJsonQuery::eval_json_query(const ObExpr &expr, ObEvalCtx &ctx, ObDatum
} else { } else {
jb_node = (ObJsonNull*)new(buf)ObJsonNull(true); jb_node = (ObJsonNull*)new(buf)ObJsonNull(true);
} }
} else if (ObJsonBaseFactory::transform(&temp_allocator, hits[i], ObJsonInType::JSON_TREE, jb_node)) { // to tree } else if (OB_FAIL(ObJsonBaseFactory::transform(&temp_allocator, hits[i], ObJsonInType::JSON_TREE, jb_node))) { // to tree
LOG_WARN("fail to transform to tree", K(ret), K(i), K(*(hits[i]))); LOG_WARN("fail to transform to tree", K(ret), K(i), K(*(hits[i])));
} }
if (OB_SUCC(ret)) { if (OB_SUCC(ret)) {
j_node = static_cast<ObJsonNode *>(jb_node); j_node = static_cast<ObJsonNode *>(jb_node);
if (OB_FAIL(jb_res->array_append(j_node->clone(&temp_allocator)))) { if (OB_ISNULL(j_node)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("json node input is null", K(ret), K(i), K(is_null_res), K(hits[i]));
} else if (OB_FAIL(jb_res->array_append(j_node->clone(&temp_allocator)))) {
LOG_WARN("result array append failed", K(ret), K(i), K(*j_node)); LOG_WARN("result array append failed", K(ret), K(i), K(*j_node));
} }
} }