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This commit is contained in:
Raúl Marín 2022-01-20 13:35:22 +01:00
parent 6b08865604
commit e77fc9e9be
1 changed files with 2 additions and 5 deletions
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7
src/Interpreters/ExecuteScalarSubqueriesVisitor.h
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@ -19,11 +19,8 @@ struct ASTTableExpression;
*
* Features
*
* A replacement occurs during query analysis, and not during the main runtime.
* This means that the progress indicator will not work during the execution of these requests,
* and also such queries can not be aborted.
*
* But the query result can be used for the index in the table.
* A replacement occurs during query analysis, and not during the main runtime, so
* the query result can be used for the index in the table.
*
* Scalar subqueries are executed on the request-initializer server.
* The request is sent to remote servers with already substituted constants.