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feat: add the system.queries
table
#24992
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A shell for the `system` table provider was added to the QueryExecutorImpl which currently does not do anything, but will enable us to tie the different system table providers into it. The QueryLog was elevated from the `Database`, i.e., namespace provider, to the QueryExecutorImpl, so that it lives accross queries.
The system.queries table is now accessible, when queries are initiated in debug mode, which is not currently enabled via the HTTP API, therefore this is not yet accessible unless via the gRPC interface. The system.queries table lists all queries in the QueryLog on the QueryExecutorImpl.
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fn queries_schema() -> SchemaRef { |
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This function was mostly copied from IOx, we may trim down some of the columns, if they're not relevant, e.g., partitions
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pauldix
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This PR is intended to follow #24990
This makes the
system.queries
table accessible. Accessing it is only possible when querying in debug mode, which is not currently enabled via the HTTP API, therefore this is only accessible via the gRPC interface, and the former will need to be enabled with a follow on PR (see #24989).The
system.queries
table lists all queries in the QueryLog on the QueryExecutorImpl. Here is an example:Closes #24987