Implement basic insert support for SAP HANA

[polyal]

Description

Closes #{issue_number}.

Readiness checklist

• I added/updated unit tests.
• I added/updated integration/compatibility tests.
• I added/updated comments and checked rendering.
• I made spot refactorings.
• I updated user documentation.
• I ran task all, and it passed.
• I ensured that PR title is good enough for the changelog.
• (for maintainers only) I set Reviewers (@FerretDB/core), Labels, Project and project's Sprint fields.
• I marked all done items in this checklist.

[polyal]

I get this error with task lint locally.

internal/handlers/hana/hanadb/insert.go:21:2: github.com/FerretDB/FerretDB/internal/handlers/sjson is in the denylist (depguard)

Is there a way to suppress it? Or how come its in the deny list?

[codecov]

Codecov Report

Merging #2732 (bbbb44a) into main (93b80a4) will decrease coverage by 60.09%.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #2732       +/-   ##
==========================================
- Coverage   64.25%   4.17%   -60.09%     
==========================================
  Files         450     447        -3     
  Lines       23125   23137       +12     
==========================================
- Hits        14860     966    -13894     
- Misses       7299   22098    +14799     
+ Partials      966      73      -893     

Impacted Files	Coverage Δ
internal/handlers/hana/hanadb/collections.go	0.00% <0.00%> (ø)
internal/handlers/hana/hanadb/databases.go	0.00% <0.00%> (ø)
internal/handlers/hana/hanadb/insert.go	0.00% <0.00%> (ø)
internal/handlers/hana/msg_create.go	0.00% <0.00%> (ø)
internal/handlers/hana/msg_drop.go	0.00% <0.00%> (ø)
internal/handlers/hana/msg_dropdatabase.go	0.00% <0.00%> (ø)
internal/handlers/hana/msg_insert.go	0.00% <0.00%> (ø)
internal/handlers/hana/msg_listdatabases.go	0.00% <0.00%> (ø)

... and 263 files with indirect coverage changes

Flag	Coverage Δ
integration	4.17% <0.00%> (-53.22%)	⬇️
mongodb	4.17% <0.00%> (-0.06%)	⬇️
pg	?
shard-1	4.17% <0.00%> (-37.31%)	⬇️
shard-2	?
shard-3	?
unit	?

Flags with carried forward coverage won't be shown. Click here to find out more.

[AlekSi]

See

FerretDB/.golangci.yml

Lines 161 to 194 in 70d692c

	# only `pg` handler can import `pgdb` package, no other handler can do that
	- linters: [depguard]
	path: internal/handlers/pg
	text: pgdb
	- linters: [depguard]
	path: internal/handlers/registry
	text: pgdb
	- linters: [depguard]
	path: cmd/envtool
	text: pgdb
	# only `pg` handler and `sqlite` backend can import `sjson` package, no other handlers or backends can do that
	- linters: [depguard]
	path: internal/handlers/pg
	text: sjson
	- linters: [depguard]
	path: internal/backends/sqlite
	test: sjson
	# only `tigris` handler can import `tigrisdb` package, no other handler can do that
	- linters: [depguard]
	path: internal/handlers/tigris
	text: tigrisdb
	- linters: [depguard]
	path: internal/handlers/registry
	text: tigrisdb
	- linters: [depguard]
	path: cmd/envtool
	text: tigrisdb
	# only `tigris` handler can import `tjson` package, no other handler can do that
	- linters: [depguard]
	path: internal/handlers/tigris
	text: tjson

[mergify]

@polyal this pull request has merge conflicts.

[AlekSi]

Please implement listDatabases command as it is required for our tests

[AlekSi]

2023-06-16T23:59:57.985Z	INFO	setup/startup.go:87	Target system: ferretdb-hana (built-in).
2023-06-16T23:59:57.986Z	INFO	debug	debug/debug.go:95	Starting debug server on http://127.0.0.1:41195/
2023-06-16T23:59:57.990Z	INFO	setup/startup.go:98	Compat system: MongoDB (mongodb://127.0.0.1:47017/).
-test.shuffle 1686959997990741692
2023-06-17T00:00:00.122Z	INFO	slog/handler.go:119	ERROR DB conn read error conn=1 error=EOF "local address"=10.0.0.36:54396 "remote address"=3.214.124.25:443
2023-06-17T00:00:02.231Z	INFO	slog/handler.go:119	ERROR DB conn read error conn=2 error=EOF "local address"=10.0.0.36:37788 "remote address"=23.23.150.204:443
2023-06-17T00:00:04.255Z	INFO	slog/handler.go:119	ERROR DB conn read error conn=3 error=EOF "local address"=10.0.0.36:54410 "remote address"=3.214.124.25:443
--- FAIL: TestCommandsAdministrationServerStatusFreeMonitoring (9.26s)
    commands_administration_test.go:1019: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF
panic: setupClient: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF [recovered]
	panic: setupClient: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF [recovered]
	panic: setupClient: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF [recovered]
	panic: setupClient: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF [recovered]
	panic: setupClient: [client.go:94 setup.makeClient] (InternalError) [msg_listdatabases.go:33 hana.(*Handler).MsgListDatabases] [hana.go:105 hana.(*Handler).DBPool] hanadb.NewPool: driver: bad connection: EOF

Let's discuss on Slack or email how we could get a working database for testing