tsdb

Bug Description
fix issues found by Coverity Scan in TDengine/src/query/src/qFilter.c

To Reproduce
N/A

Expected Behavior
fix following issues:

Describe the bug

In the documentation, it is written that we can get the day of year using the to_str(time, 'D') approach. However, using the latest docker images, this will return the string 'D' as a result. See https://questdb.io/docs/reference/function/date-time/#date-and-timestamp-format

I assume this may be tracked down somewhere around here, where the capital D is never being regist

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示例

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We should add a metric to track the reason why a query results is not cached, and ensure we have another metric with the total number of queries for which we've the check to compare with.

https://github.com/grafana/mimir/blob/321e66db90cf39e8eb1067aada9064d15cac4ba9/pkg/frontend/querymiddleware/results_cache.go#L176-L194

_Originally posted by @pracucci in https://github.com/grafana/mimir/iss

Description

Currently, show tables is supported by CeresDB, it would be convenient to support name like syntax like in MySQL.

SHOW TABLES LIKE 'pattern'

Describe the requested changes:
This page could be simplified. The most impactful change: Do not start with the "Any (No JVM)" version. It forces us to bother users with the Java version, JAVA_HOME env. variable, etc. That's scary, especially for non-Java folks. If we start with the OS-specific versions and leave the "No JVM" version in some "f