improvement: add completion info to SQL table completions

[mscolnick]

This adds a completion info (unstyled for now) to the table completion.

Also

• utilities for building the SQLNamespace
• include default DB in name (not just the tables)

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Project	Deployment	Preview	Comments	Updated (UTC)
marimo-docs	Ready	Preview	Comment	Sep 25, 2025 8:58pm

[mscolnick]

these snapshots changed for two reason:

1. instead of just labels, it now includes a custom Completion with a info render
2. We also include default databases at the top (previously did not). that can be see in this commit: 780202d#diff-f79af3635ef377d486695e4101902aad0982c208b769b3851c9086e694f722f3

[mscolnick]

this is the only functional change. we now include the default db which can help with autocomplete or if users want fully qualified names

[Light2Dark]

some style edits, I think it's great overall!

I looked at overriding the tooltipRenderer to work with this, but may need some change to codemirror-sql, maybe make it async for something like this

            tooltipRenderers: {
              table: (data: NamespaceTooltipData) => {
                return await data.item.completion?.info().dom.outerHTML
              },
            }

[mscolnick]

I looked at overriding the tooltipRenderer to work with this, but may need some change to codemirror-sql, maybe make it async for something like this

Yep, i already made these changes to codemirror-sql, so we can use them when we upgrade