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Kusto-phase2: allow negative operators for kql table function only

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This commit is contained in:
Yong Wang 2023-06-25 08:14:15 -07:00
parent 4a5f462e43
commit 5621ca5984
1 changed files with 9 additions and 4 deletions
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13
src/Parsers/TokenIterator.cpp
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@ -44,9 +44,16 @@ UnmatchedParentheses checkUnmatchedParentheses(TokenIterator begin)
/// We have to iterate through all tokens until the end to avoid false positive "Unmatched parentheses" error
/// when parser failed in the middle of the query.
bool inside_kql = false;
for (TokenIterator it = begin; !it->isEnd(); ++it)
{
if (!it.isValid()) // allow kql negative operators
TokenIterator it_prev = it;
if (it != begin)
--it_prev;
if (it != begin && it->type == TokenType::OpeningRoundBracket && String(it_prev.get().begin, it_prev.get().end) == "kql")
inside_kql = true;
if (!it.isValid() && inside_kql) // allow negative operators inside kql table function
{
if (it->type == TokenType::ErrorSingleExclamationMark)
{
@ -64,10 +71,8 @@ UnmatchedParentheses checkUnmatchedParentheses(TokenIterator begin)
{
if (String(it.get().begin, it.get().end) == "~")
{
--it;
if (const auto prev = String(it.get().begin, it.get().end); prev != "!" && prev != "=" && prev != "in")
if (const auto prev = String(it_prev.get().begin, it_prev.get().end); prev != "!" && prev != "=" && prev != "in")
break;
++it;
}
else
break;