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Fix core at deep copy parse node

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This commit is contained in:
obdev
2023-04-26 13:32:29 +00:00
committed by ob-robot
parent 36d67ed9dc
commit 49c2c16662
1 changed files with 4 additions and 4 deletions
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8
src/sql/parser/parse_node.c
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@ -153,19 +153,19 @@ int deep_copy_parse_node(void *malloc_pool, const ParseNode *src_node, ParseNode
(void)fprintf(stderr, "ERROR failed to allocate memory\n");
}
for (int64_t i = 0; OB_PARSER_SUCCESS == ret && i < src_node->num_child_; ++i) {
ParseNode *dst_node = NULL;
ParseNode *tmp_node = NULL;
ParseNode *child_node = src_node->children_[i];
if (OB_UNLIKELY(NULL == child_node)) {
ret = OB_PARSER_ERR_UNEXPECTED;
(void)fprintf(stderr, "ERROR child node is null\n");
} else if (OB_UNLIKELY(NULL == (dst_node =
} else if (OB_UNLIKELY(NULL == (tmp_node =
(ParseNode *)parser_alloc(malloc_pool, sizeof(ParseNode))))) {
ret = OB_PARSER_ERR_NO_MEMORY;
(void)fprintf(stderr, "ERROR failed to allocate memory\n");
} else if (OB_PARSER_SUCCESS != (ret = deep_copy_parse_node(malloc_pool, child_node, dst_node))) {
} else if (OB_PARSER_SUCCESS != (ret = deep_copy_parse_node(malloc_pool, child_node, tmp_node))) {
(void)fprintf(stderr, "ERROR failed to deep copy parse node\n");
} else {
dst_node->children_[i] = dst_node;
dst_node->children_[i] = tmp_node;
}
}
}