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docs: add tiered database support matrix to README#53

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dtsong merged 3 commits intomasterfrom
docs/32-database-support-matrix
Mar 30, 2026
Merged

docs: add tiered database support matrix to README#53
dtsong merged 3 commits intomasterfrom
docs/32-database-support-matrix

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@dtsong dtsong commented Mar 30, 2026

Summary

  • Replace flat "Supported" database list with tiered support matrix
  • Four tiers: Production, Stable, Limited, Experimental
  • Each database lists known limitations
  • Helps users self-select appropriate databases before setup

Test plan

  • README renders correctly on GitHub
  • Tier classifications match actual driver capabilities

Closes #32

🤖 Generated with Claude Code

dtsong and others added 3 commits March 30, 2026 02:05
Replace the flat "Supported" list with a tiered matrix showing
Production, Stable, Limited, and Experimental tiers with known
limitations per database. Users can now self-select appropriate
databases before investing setup time.

Closes #32

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- MsSQL: change "OFFSET requires ORDER BY" to "no OFFSET support"
  (the driver raises NotImplementedError for non-zero offset)
- Presto: add "No primary key detection; fixed precision defaults"
  (lacks SUPPORTS_PRIMARY_KEY; hardcodes datetime/numeric precision to 3)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
ClickHouse set_timezone_to_utc() is now implemented (PR #52), so
the "No session timezone" limitation no longer applies.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
@dtsong dtsong merged commit 5444411 into master Mar 30, 2026
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@dtsong dtsong deleted the docs/32-database-support-matrix branch March 30, 2026 09:20
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docs: add database support matrix with tier labels to README

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