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Don't rewrite query in client when there are no query parameters

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This commit is contained in:
Alexey Milovidov 2020-06-15 23:07:39 +03:00
parent 511fa106af
commit 80bcaaacf2
1 changed files with 4 additions and 1 deletions
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5
programs/client/Client.cpp
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@ -986,7 +986,10 @@ private:
/// Process the query that doesn't require transferring data blocks to the server.
void processOrdinaryQuery()
{
/// We will always rewrite query (even if there are no query_parameters) because it will help to find errors in query formatter.
/// Rewrite query only when we have query parameters.
/// Note that if query is rewritten, comments in query are lost.
/// But the user often wants to see comments in server logs, query log, processlist, etc.
if (!query_parameters.empty())
{
/// Replace ASTQueryParameter with ASTLiteral for prepared statements.
ReplaceQueryParameterVisitor visitor(query_parameters);