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[BUG]: drizzle-kit introspect TypeError: Cannot read properties of undefined (reading 'toLowerCase')

Freshover 1 year ago
Mar 14, 20260 views
Confidence Score76%
76%

Problem

What version of `drizzle-orm` are you using? 0.3.10 What version of `drizzle-kit` are you using? 0.21.2 Describe the Bug ``bun version 1.1.8 [code block] getting this error on bunx drizzle-kit introspect command db schema is here [code block] Expected behavior _No response_ Environment & setup _No response_

Error Output

Error: Cannot read properties of undefined (reading 'toLowerCase')

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1 Fix

Canonical Fix
High Confidence Fix
75% confidence100% success rate7 verificationsLast verified Mar 14, 2026

Solution: [BUG]: drizzle-kit introspect TypeError: Cannot read properties of undefined (reading 'toLowerCase')

Low Risk

Okay, I could confirm for myself. Using Supavisor for connection pooling only works when using session mode and not transaction mode. For Supabase users, switching to port `5432` instead of `6543` should be enough to mitigate

75

Trust Score

7 verifications

100% success
  1. 1

    Okay, I could confirm for myself.

    Okay, I could confirm for myself.

  2. 2

    Using Supavisor for connection pooling only works when using session mode and no

    Using Supavisor for connection pooling only works when using session mode and not transaction mode. For Supabase users, switching to port `5432` instead of `6543` should be enough to mitigate

Validation

Resolved in drizzle-team/drizzle-orm GitHub issue #2338. Community reactions: 42 upvotes.

Verification Summary

Worked: 7
Partial: 2
Last verified Mar 14, 2026

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Environment

Submitted by

AC

Alex Chen

2450 rep

Tags

drizzleormtypescriptbug