v0.5.20-nightly

What's Changed

Bug Fixes

• DataColumn use equals rather than comparator eq (#2855) by @sundy-li
• ISSUE-2837 fix not projection schema for fuse table (#2839) by @zhang2014
• Fix a bug in refactoring angle function (#2829) by @sundy-li

Build/Testing/CI

• [metasrv] test: test membership after restarting MetaNode; test join a node twice (#2826) by @drmingdrmer

Dependency Updates

• Bump tokio from 1.13.0 to 1.14.0 (#2825) by @dependabot[bot]
• Bump httpmock from 0.6.2 to 0.6.4 (#2822) by @dependabot[bot]

Documentation

• update the url of databend weekly (#2856) by @miamia0
• Update aggregate-sum.md (#2852) by @Mrfogg
• Update aggregate-sum.md (#2843) by @wubx
• [DOC] Add covariance doc and flight token test (#2836) by @junli1026
• DOC-2838: Add how to get server logs doc (#2840) by @bohutang

Features

• [function] add exp math function (#2847) by @junnplus
• [function] Add support for inet_ntoa (#2824) by @pymongo
• [function] add mod math function (#2850) by @junnplus

Improvement

• ISSUE-2831: mysql query writer support struct datatype (#2832) by @zhyass
• ISSUE-2845: Initial the data directory (#2846) by @bohutang
• reuse common::streams::parquetsource (#2848) by @Veeupup
• [metasrv] test: test membership after restarting MetaNode; test join a node twice (#2826) by @drmingdrmer
• Set storage_type to disk by default (#2833) by @bohutang
• Make Fuse Engine as default table engine (#2830) by @sundy-li
• ISSUE-2806: Add metrics to dal operations (label with tenant_id and cluster_id) (#2821) by @dantengsky
• [test] apply the new test style to databend-meta (#2814) by @PsiACE

Others

• update the url of databend weekly (#2856) by @miamia0
• ISSUE-2831: mysql query writer support struct datatype (#2832) by @zhyass
• DataColumn use equals rather than comparator eq (#2855) by @sundy-li
• [function] add exp math function (#2847) by @junnplus
• [function] Add support for inet_ntoa (#2824) by @pymongo
• [function] add mod math function (#2850) by @junnplus
• reuse common::streams::parquetsource (#2848) by @Veeupup
• Update aggregate-sum.md (#2852) by @Mrfogg
• Update aggregate-sum.md (#2843) by @wubx
• [DOC] Add covariance doc and flight token test (#2836) by @junli1026
• DOC-2838: Add how to get server logs doc (#2840) by @bohutang
• Fix a bug in refactoring angle function (#2829) by @sundy-li
• Set storage_type to disk by default (#2833) by @bohutang
• Make Fuse Engine as default table engine (#2830) by @sundy-li
• ISSUE-2806: Add metrics to dal operations (label with tenant_id and cluster_id) (#2821) by @dantengsky
• Bump tokio from 1.13.0 to 1.14.0 (#2825) by @dependabot[bot]
• [test] apply the new test style to databend-meta (#2814) by @PsiACE
• Bump httpmock from 0.6.2 to 0.6.4 (#2822) by @dependabot[bot]