fix: the defects the reviews of 0.7.15 and of this branch found by jddunn · Pull Request #68 · framerslab/sql-storage-adapter

jddunn · 2026-10-17T22:22:07Z

Summary

Fixes the defects the review threads on #44 (0.7.15) and on this pull request name, each with its spec first. Master released 0.8.0 to 0.8.2 while this was open, so the 0.7.18 bump is dropped: 2696297 merges master, package.json keeps 0.8.2, and the changelog entries sit under Unreleased, worded against 0.8.2, which behaves the same (#71's browser entry is already in 0.8.0).

Exporter (PostgresExporter.ts, pgConnection.ts, features.ts)

A URI password that is not valid percent-encoding, or that decodes to a NUL, and a connection string that holds a NUL are refused before pg_dump starts, with no connection string in the message. 0.7.15 passed such a URI whole, its password in --dbname.
keyword=value settings: the password moves to PGPASSWORD, read as libpq's conninfo_parse reads it (a value to whitespace or in single quotes, backslash escapes, the later password wins, the next keyword read at once after a closing quote). An empty password goes to PGPASSWORD empty. An unterminated quote or a setting with no = is refused.
An @ in the query of a URI with no path: a string handed to PostgresExporter is read as libpq reads it (fe-connect.c, conninfo_uri_parse_options). pg reads a pool's string with the WHATWG URL parser, which ends the authority at ?, so pg_dump reached another host; the features exporter now writes pg's reading as an explicit libpq URI.
A pool's settings are read as pg 8.23.1 reads them (lib/connection-parameters.js): a connection string's parts over the settings, then PGHOST, PGPORT, PGUSER, PGDATABASE, then localhost, 5432, the operating system's user and the user's name. pg takes the database from the URL's path alone and reads an empty host parameter as none (pg-connection-string 2.14.1, index.js:40-67), and the URI holds that reading.
A password function of the pool's is called when the export runs, as pg calls it for each connection: as a method of a client made of the pool's settings, with no arguments before pg 8.19.0 and with the client's ConnectionParameters from 8.19.0 (node-postgres #3602). That client is never connected and is made without the settings' stream. Its answer goes to PGPASSWORD, no password gives an empty PGPASSWORD, and a throw or a non-string refuses the export.
TLS follows pg's, and so does the check of the server. TLS that checks nothing (rejectUnauthorized: false, no-verify) is sslmode=require over any PGSSLMODE. TLS that checks the server (ssl: true, {}, ssl=1, a certificate file or another sslmode in the string, a PGSSLMODE pg reads as TLS) is sslmode=verify-full, or verify-ca where pg checks no host name, against the string's sslrootcert, else PGSSLROOTCERT, else sslrootcert=system (libpq 16 and later; with an older libpq the export's error says what to do). uselibpqcompat=true with verify-ca and no root certificate is refused, as pg refuses it. A pool that chose no TLS gets sslmode=disable whatever PGSSLMODE says. ca, cert, key, pfx and the other TLS options are refused, naming them and what to do, since pg_dump reads TLS material from files alone.
pg_dump runs with --no-password, so it never waits for a password on a terminal or on its standard input.
sslpassword, oauth_client_secret and the SCRAM keys of a pool's connection string are left out: libpq takes them from the connection string alone, and pg reads none of them.
sslnegotiation reaches pg_dump as the pool's own pg reads it (b488a85, against the specs of 78f4a3a). pg reads it from 8.22.0 and with direct starts TLS at once; pg 8.13.1 to 8.21.x read none and send an SSLRequest, and pg-connection-string turns TLS on for direct from 2.14.0 only. The exporter reads it on a client of the pool's Client, never connected, with a probe client for the parse's TLS rule, so a pool whose pg reads none gives pg_dump none, and TLS for direct only where its parse turns TLS on. Where pg cannot be read, the reading is pg 8.22.0's and the storage logger says so once. A value pg refuses refuses the export. The adapter's exporter runs pg_dump without PGSSLNEGOTIATION (PostgresExporterOptions.unsetEnvironment), which libpq 17 would read beside the URI, and a libpq older than 17, which refuses the parameter, gets words saying what to do. This answers the Codex P1 and the CodeRabbit finding on these lines in Land three idle pull requests in one batch: #67, #16, #15 #76's review, where this pull request sat before its own build was found red.

Resolver (resolver.ts): a postgres candidate opens in its own or the top-level segment alone. Tried after an IndexedDB candidate whose options named a segment, a pool of the caller's threw, and a server got a schema only the browser's options asked for. Local candidates still take the segment.

IndexedDB adapter (indexedDbAdapter.ts): a PRAGMA's head is read as SQLite reads it, so PRAGMA user_version /* note */ = 7, PRAGMA"user_version"=9 and PRAGMA 'user_version' = 10 through get() or all() are saved.

Key-value codec (valueCodec.ts): the text is written from the copy structuredClone returns, so a getter is read once and its first answer stored, and the value is copied once.

Also released here: #64 (S3StorageProvider.list() past the first page), which merged after 0.7.15 without a version.

Tests

CI on 75024e0, before master's merge: build (95 files, 1842 passed, 37 skipped), browser, postgres18 and codecov/patch green. 78f4a3a added the sslnegotiation specs red; b488a85 makes them pass and adds specs for PGSSLNEGOTIATION, a refused value and libpq 16's refusal.

CI's PostgreSQL (pgvector 0.8.7 on 16, scram-sha-256 over TCP) runs the exporter through the real pg_dump: a pool whose password is a function, with PGPASSWORD empty; a pool whose connection string libpq reads apart from pg (postgresql://localhost:5432?application_name=x@y); and the export's call of a pool's password function compared with the pool's own. A second PostgreSQL, started in the build job, offers TLS with a certificate made for the run (tests/postgres.exporter.tls.spec.ts): ssl: true is refused where pg refuses the server, rejectUnauthorized: false exports, the root certificate named in the string exports, a host the certificate does not name is refused, and uselibpqcompat=true&sslmode=verify-ca exports where pg connects. The resolver spec on the same server checks that the postgres candidate opens and makes no schema for the IndexedDB segment. The rest: postgresExporter.args (execFile mocked, with parity checks against pg's own ConnectionParameters), segment, indexedDbAdapter.durability (fake-indexeddb), kv/valueCodec, features.

Checklist

Tests added/updated
Docs updated (README or typedoc)
Conventional commit title/body

Summary by CodeRabbit

New Features
- PostgreSQL exports now support broader connection settings, TLS configurations, password callbacks, asynchronous connection providers, and environment-variable controls.
- Export commands provide clearer handling for unsupported client features and avoid interactive password prompts.
- PostgreSQL fallback resolution now applies segment settings more consistently.
Bug Fixes
- IndexedDB durability detection now handles comments, quoted names, and schema-qualified PRAGMA statements.
- Key-value serialization consistently captures getter-backed values once.
Documentation
- Expanded guidance for PostgreSQL exports, segment settings, IndexedDB durability, and value serialization.

…er is stored, as IndexedDB's put reads it

…so each property is read once and the value copied once

…mment between their words, or a quoted name with no space before it

…does, comments as whitespace and a quoted name needing no space

…te that named a segment, on a pool of the caller and on a server

… segment alone; only local candidates take the segment another candidate's options named

…f its connection string, PGHOST and the other defaults, a password function, TLS options, keyword=value passwords and passwords that cannot leave the command line

…sk a password function when the export runs, refuse TLS material pg_dump cannot take, and keep every password off the command line or refuse the export

…les, the segment a postgres candidate takes, PRAGMA comments and the key-value clone

sourcery-ai · 2026-10-17T22:22:12Z

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chatgpt-codex-connector · 2026-10-17T22:22:15Z

Codex Review Summary

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📝 Code Review	✅ Completed 2026-10-18T09:04:46.085330Z	`c8be144`	Manual request

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📥 Commits

Reviewing files that changed from the base of the PR and between b488a85 and 66aa170.

📒 Files selected for processing: 4

CHANGELOG.md
README.md
src/exporters/pgConnection.ts
tests/postgresExporter.args.spec.ts

📝 Walkthrough

The changes update PostgreSQL export connection handling and pg_dump invocation, adjust segment selection during adapter fallback, improve IndexedDB PRAGMA detection, and encode SQL key-value data from a structured clone.

Changes: PostgreSQL exporter

Layer / File(s)	Summary
Resolve pool connection settings `src/exporters/pgConnection.ts`, `src/exporters/pgModule.ts`, `src/core/contracts/features.ts`, `tests/postgresExporter.args.spec.ts`, `tests/postgres.exporter.spec.ts`, `tests/postgres.exporter.tls.spec.ts`, `tests/fixtures/*`, `.github/workflows/ci.yml`	Pool settings are converted to libpq-compatible connection strings with pg version, TLS, environment, and password-callback handling. Tests cover connection behavior and TLS; CI provisions a TLS-enabled PostgreSQL instance.
Sanitize pg_dump invocation `src/exporters/PostgresExporter.ts`, `tests/postgresExporter.args.spec.ts`, `tests/postgresExporter.spec.ts`, `tests/features.spec.ts`, `README.md`, `CHANGELOG.md`	Connection parsing validates and removes passwords from command arguments, supports keyword-value strings and asynchronous providers, and passes `--no-password`. The documentation describes the exporter changes.

Segment resolution

Layer / File(s)	Summary
Keep candidate segments isolated `src/core/resolver.ts`, `tests/postgres.segment.spec.ts`, `tests/segment.spec.ts`, `README.md`	PostgreSQL candidates no longer inherit a segment requested by a failed candidate. Tests cover fallback selection and schema state.

IndexedDB PRAGMA durability

Layer / File(s)	Summary
Detect PRAGMA assignments `src/adapters/indexedDbAdapter.ts`, `tests/indexedDbAdapter.durability.spec.ts`, `README.md`	PRAGMA detection handles comments, quoted names, and schema-qualified names. Tests cover commit and interval durability.

SQL key-value encoding

Layer / File(s)	Summary
Encode the structured clone `src/features/kv/valueCodec.ts`, `tests/kv/valueCodec.spec.ts`, `README.md`	Encoding uses the structured clone when available. Tests verify that getter-backed values are read once and preserve the first result.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~60 minutes

Change: Bug fix

Sequence Diagram(s)

sequenceDiagram
  participant Pool
  participant postgresExporterOf
  participant libpqConnectionStringOf
  participant PostgresExporter
  participant pg_dump
  postgresExporterOf->>Pool: Read active pool settings
  postgresExporterOf->>libpqConnectionStringOf: Convert settings and resolve password
  libpqConnectionStringOf-->>postgresExporterOf: Return connection string
  postgresExporterOf->>PostgresExporter: Provide resolved connection string
  PostgresExporter->>pg_dump: Run with sanitized arguments and --no-password

Merge Risk: 🟡 Moderate · up to b488a

Exports of pools whose password function returns no password may succeed through a local password file even though the pool itself connects with none. A single-quoted PRAGMA assignment in IndexedDB may also not advance the save generation. Resolve both, or accept them explicitly, before merging.

Pre-merge checks: 5

Check name	Status	Explanation
Title check		The title identifies fixes for defects found during reviews of version 0.7.15 and this branch. This matches the PR's main purpose across the exporter, resolver, IndexedDB adapter, and key-value codec.
Description check		The description includes the required Summary, Checklist, and Related sections. It explains the changes and reasons, documents test and CI results, confirms documentation and test updates, and referen…
Docstring Coverage		Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 18 files. (2 skipped: 2…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Description check

Explanation

The description includes the required Summary, Checklist, and Related sections. It explains the changes and reasons, documents test and CI results, confirms documentation and test updates, and references related review threads.

Full details: Docstring Coverage

Explanation

Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 18 files. (2 skipped: 2 unsupported.)

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sourcery-ai · 2026-10-17T22:22:22Z

Reviewer's Guide

This release addresses the 0.7.15 review findings by rebuilding PostgreSQL export connection translation around pg/libpq semantics and safer secret handling, correcting resolver segment isolation, making IndexedDB and key-value behavior match their underlying platform semantics, and releasing the changes as 0.7.16.

Sequence diagram for safe PostgreSQL export connection translation

sequenceDiagram
    participant Caller
    participant Exporter as PostgresExporter
    participant Pool
    participant Translator as libpqConnectionStringOf
    participant Dump as pg_dump

    Caller->>Exporter: exportToBytes()
    Exporter->>Pool: getPool()
    Pool-->>Exporter: options
    Exporter->>Translator: libpqConnectionStringOf(settings)
    Translator->>Translator: password function
    Translator-->>Exporter: libpq URI
    Exporter->>Exporter: pgDumpInvocation(connectionString)
    Exporter->>Dump: execFile(dbname, PGPASSWORD)
    Dump-->>Caller: dump bytes

Flow diagram for PostgreSQL resolver segment isolation

flowchart TD
    Start[resolveStorageAdapter] --> Candidate{Candidate type}
    Candidate -->|IndexedDB or Capacitor| LocalSegment[Use own segment or inherited askedFor segment]
    Candidate -->|PostgreSQL| PostgresSegment[Use own options or top-level segment only]
    LocalSegment --> OpenLocal[Open local candidate]
    PostgresSegment --> OpenPostgres[Open PostgreSQL candidate]
    OpenLocal --> Result[Resolved adapter]
    OpenPostgres --> Result

Flow diagram for platform-faithful IndexedDB and key-value writes

flowchart TD
    Sql[SQL statement] --> Tokens[headTokens]
    Tokens --> Pragma{PRAGMA assignment detected}
    Pragma -->|yes| Durable[Persist image change]
    Pragma -->|no| Execute[Normal statement handling]
    Value[Key-value value] --> Clone[structuredClone]
    Clone --> Encode[encode cloned value]
    Encode --> Store[Write text once]

File-Level Changes

Change	Details	Files
Harden PostgreSQL export connection handling and align adapter-pool exports with pg/libpq behavior.	Parse URI and keyword=value connection strings according to libpq, remove passwords from command-line arguments, and reject NULs, malformed encoding, and invalid settings before spawning pg_dump. Add asynchronous connection-string resolution, including pool password callbacks, environment/default precedence, TLS mode translation, unsupported TLS-material validation, and filtering of parameters pg does not read. Preserve pg’s interpretation of pool connection strings by emitting an explicit libpq URI and add real and mocked coverage for passwords, parsing, defaults, TLS, and secret filtering.	`src/exporters/PostgresExporter.ts` `src/exporters/pgConnection.ts` `src/core/contracts/features.ts` `tests/postgresExporter.args.spec.ts` `tests/postgres.exporter.spec.ts`
Correct segment propagation so PostgreSQL candidates do not inherit browser or local adapter segments during resolution.	Apply a candidate’s own or top-level segment to PostgreSQL while retaining fallback propagation for local candidates. Add resolver and PostgreSQL integration tests covering IndexedDB-segment fallback and caller-owned pools.	`src/core/resolver.ts` `tests/segment.spec.ts` `tests/postgres.segment.spec.ts` `README.md`
Make IndexedDB PRAGMA durability detection follow SQLite tokenization.	Replace the regex-based PRAGMA detector with tokenization that handles whitespace, comments, schema qualification, and quoted identifiers before assignments. Add durability coverage for comment placement, quoted names, reads, and persistence across reopen.	`src/adapters/indexedDbAdapter.ts` `tests/indexedDbAdapter.durability.spec.ts` `README.md`
Ensure SQL key-value serialization uses the structured-cloned snapshot.	Serialize the clone returned by structuredClone rather than rereading the original value, preserving IndexedDB getter semantics and single-copy behavior. Add getter-focused regression tests and update API documentation.	`src/features/kv/valueCodec.ts` `tests/kv/valueCodec.spec.ts` `README.md`
Release version 0.7.16 and include the previously merged paginated S3 listing fix in the release documentation.	Bump the package version and document the security, exporter, resolver, IndexedDB, codec, and S3 changes. Update user-facing exporter, segment, durability, and key-value behavior documentation.	`package.json` `CHANGELOG.md` `README.md`

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qodo-free-for-open-source-projects · 2026-10-17T22:23:01Z

PR Summary by Qodo

Fix PostgreSQL export safety and storage regressions for 0.7.16

🐞 Bug fix 🧪 Tests 📝 Documentation 🕐 40+ Minutes

AI Description

• Align PostgreSQL exports with pool connections while keeping passwords off the process command
 line.
• Correct PostgreSQL segment selection, IndexedDB PRAGMA durability, and key-value getter handling.
• Add regression coverage and documentation, then release version 0.7.16.

Diagram

graph TD
  A["Adapter pool"] --> B["Resolve pg settings"] --> C["Build libpq URI"] --> D{"Safe connection?"}
  D -->|yes| E["Password and args"] --> F["pg_dump"]
  D -->|no| G["Refuse export"]

High-Level Assessment

The following are alternative approaches to this PR:

1. Pass resolved connection through pg_dump flags and environment

➕ Could avoid constructing a libpq URI for basic host, port, user, and database settings.
➖ Still requires pg-compatible parsing, TLS translation, and careful handling of connection-string parameters and secrets.

Recommendation: Keep the libpq URI approach: it preserves supported connection parameters in one pg_dump input while separating passwords into PGPASSWORD. Because it duplicates parts of pg and libpq parsing, maintain focused compatibility tests as those dependencies change.

Files changed (16) +1220 / -114

Bug fix (6) +638 / -90

indexedDbAdapter.tsRecognize commented and adjacent quoted PRAGMA tokens +67/-10

Recognize commented and adjacent quoted PRAGMA tokens

• Replaces the PRAGMA-head regular expression with token reading that skips comments and recognizes quoted identifiers without preceding whitespace. Image-changing PRAGMA assignments can now trigger persistence through get() and all().

src/adapters/indexedDbAdapter.ts

features.tsDerive PostgreSQL exports from pool connection settings +33/-42

Derive PostgreSQL exports from pool connection settings

• Reads the active pool or the settings of the pool the adapter will create at export time. Delegates pg-compatible connection resolution to the new helper instead of passing through the original string or assembling a URI from a few fields.

src/core/contracts/features.ts

resolver.tsStop local candidates’ segments leaking into PostgreSQL +10/-6

Stop local candidates’ segments leaking into PostgreSQL
• A PostgreSQL candidate now uses only its own segment or the top-level segment. Local fallback candidates continue to inherit a segment named by an earlier candidate.
src/core/resolver.ts

PostgresExporter.tsKeep parseable connection passwords out of pg_dump arguments +140/-26

Keep parseable connection passwords out of pg_dump arguments

• Moves URI and keyword=value passwords into PGPASSWORD and refuses unsafe or malformed connection strings before starting pg_dump. Corrects URI user-part parsing and permits an asynchronous connection-string provider.

src/exporters/PostgresExporter.ts

pgConnection.tsTranslate pg pool settings into a libpq connection +382/-0

Translate pg pool settings into a libpq connection

• Adds pg-compatible connection-string parsing, environment defaults, per-export password-function calls, and a libpq URI writer. Filters unsupported or secret query parameters, translates TLS modes, and refuses TLS material that pg_dump cannot receive from pool options.

src/exporters/pgConnection.ts

valueCodec.tsSerialize the structured clone instead of rereading the value +6/-6

Serialize the structured clone instead of rereading the value
• Uses the result of structuredClone as the encoder’s source. This preserves a getter’s first answer and avoids reading properties or copying the value twice.
src/features/kv/valueCodec.ts

Tests (7) +551 / -19

features.spec.tsExpect asynchronous PostgreSQL exporter resolution +6/-6

Expect asynchronous PostgreSQL exporter resolution
• Updates the feature-bundle assertion to await the exporter’s connection-string provider.
tests/features.spec.ts

indexedDbAdapter.durability.spec.tsCover persistence of commented PRAGMA assignments +28/-0

Cover persistence of commented PRAGMA assignments

• Tests block and line comments, schema-qualified and adjacent quoted names, and assignments through get() and all(). Also verifies read-only PRAGMAs do not write and an interval-mode assignment survives close and reopen.

tests/indexedDbAdapter.durability.spec.ts

valueCodec.spec.tsVerify getters are read once during value encoding +28/-0

Verify getters are read once during value encoding
• Asserts that serialization stores a getter’s first result and accepts a value whose getter would return an uncloneable function on a second read.
tests/kv/valueCodec.spec.ts

postgres.exporter.spec.tsExercise corrected exports against real pg_dump +68/-1

Exercise corrected exports against real pg_dump

• Adds PostgreSQL integration tests for a caller-owned pool with an asynchronous password function and for a connection string that pg and libpq parse differently. Both verify that pg_dump exports the database the pool reached.

tests/postgres.exporter.spec.ts

postgres.segment.spec.tsVerify PostgreSQL ignores an IndexedDB-only segment +28/-1

Verify PostgreSQL ignores an IndexedDB-only segment
• Tests resolution against PostgreSQL after a segmented IndexedDB candidate fails, checking that PostgreSQL opens without creating that segment’s schema.
tests/postgres.segment.spec.ts

postgresExporter.args.spec.tsCover pg_dump arguments, credentials, defaults, and TLS +370/-11

Cover pg_dump arguments, credentials, defaults, and TLS

• Expands mocked pg_dump coverage for password extraction and refusal, pg-compatible pool defaults and URL parsing, password functions, TLS translation, and unsupported TLS material. Assertions check both command-line arguments and process environment.

tests/postgresExporter.args.spec.ts

segment.spec.tsCover caller-owned pool after a segmented local candidate +23/-0

Cover caller-owned pool after a segmented local candidate
• Checks that a PostgreSQL candidate using a caller-owned pool opens after a failed segmented IndexedDB candidate without inheriting its segment.
tests/segment.spec.ts

Documentation (2) +30 / -4

CHANGELOG.mdRecord 0.7.16 security and storage fixes +22/-0

Record 0.7.16 security and storage fixes

• Adds release notes for exporter credential safety and connection fidelity, segment resolution, PRAGMA durability, and key-value cloning. It also records the previously merged S3 listing pagination fix; this diff does not change its implementation.

CHANGELOG.md

README.mdDocument corrected storage and exporter behavior +8/-4

Document corrected storage and exporter behavior

• Clarifies which candidates inherit segments, when PRAGMA writes are durable, and how key-value cloning handles getters. Documents the exporter’s pool defaults, password handling, TLS limitations, and refusal cases.

README.md

Other (1) +1 / -1

package.jsonBump package version to 0.7.16 +1/-1

Bump package version to 0.7.16
• Changes the published package version from 0.7.15 to 0.7.16.
package.json

codecov · 2026-10-17T22:24:32Z

Codecov Report

❌ Patch coverage is 89.04762% with 69 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/exporters/pgConnection.ts	86.86%	54 Missing ⚠️
src/exporters/pgModule.ts	70.96%	9 Missing ⚠️
src/adapters/indexedDbAdapter.ts	92.00%	4 Missing ⚠️
src/core/contracts/features.ts	90.90%	2 Missing ⚠️

📢 Thoughts on this report? Let us know!

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qodo-free-for-open-source-projects · 2026-10-17T22:25:21Z

Code Review by Qodo

🐞 Bugs (1) 📘 Rule violations (0) 📎 Requirement gaps (0) 🎨 UX issues (0) 🔗 Cross-repo conflicts (0) 📜 Skill insights (0)

1. Exports can select the wrong database 🐞 Bug ≡ Correctness

Description

parseAsPg() derives database only from the URI path and ignores the connection string’s
database query parameter. For postgresql://app@db.example/?database=reports, the pool selects
reports, while the generated URI selects PGDATABASE or, without it, app.

Code

src/exporters/pgConnection.ts[R214-217]

+  const path = pathname.slice(1);
+  const database = path ? decoded(decodeURI, path) : undefined;
+  if (path && database === undefined) return undefined;
+  return { user, password: secret, host, port, database, parameters };

Evidence
The parser records query parameters and applies some as connection overrides, but never applies
database; readAsPg() replaces the database with the path-derived result and then falls back to
the environment or user name.
src/exporters/pgConnection.ts[175-181]
src/exporters/pgConnection.ts[203-217]
src/exporters/pgConnection.ts[248-255]
src/exporters/pgConnection.ts[286-291]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
A pool connection string can set `database` in its query, but the exporter takes only the URI path and may dump another database.
## Fix Focus Areas
- src/exporters/pgConnection.ts[175-217]
- src/exporters/pgConnection.ts[248-255]
## Recommended Fix
Apply the parsed `database` query parameter with the same precedence as pg before resolving environment defaults. Test a conflicting URI path or default database.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

2. ~~Empty host overrides reach the wrong server~~ ✓ Resolved

Description

parseAsPg() treats an empty host query value as absent and substitutes the URI hostname before
pg’s environment fallback runs. With postgresql://app@url-host/app?host= and PGHOST=env-host,
the pool uses env-host, but the exporter writes url-host into the URI.

Code

src/exporters/pgConnection.ts[R205-209]

+  let host = parameter('host');
+  if (!host) {
+    const fromUrl = decoded(decodeURIComponent, hostname);
+    if (fromUrl === undefined) return undefined;
+    host = fromUrl;

Evidence
Query values are collected even when empty, but the truthiness check replaces an empty host with
url.hostname. readAsPg() then accepts that nonempty parsed host, and its PGHOST fallback
cannot run.
src/exporters/pgConnection.ts[175-181]
src/exporters/pgConnection.ts[203-213]
src/exporters/pgConnection.ts[248-256]
src/exporters/pgConnection.ts[286-293]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
Empty connection-string query overrides are replaced with URI authority values, so the export can use a different host from the pool.
## Fix Focus Areas
- src/exporters/pgConnection.ts[175-213]
- src/exporters/pgConnection.ts[251-256]
## Recommended Fix
Distinguish an absent query parameter from one present with an empty value. Preserve the empty override through parsing so pg-style environment defaults apply, and test an empty `host` override with `PGHOST` set.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

3. ~~Exports can use an unrelated password~~ ✓ Resolved

Description

passwordOf() accepts undefined from a pool password callback, but the generated URI supplies no
password and pgDumpInvocation() leaves inherited credentials available to pg_dump. When
PGPASSWORD is set, an export after that callback uses it even though the callback gave the pool
connection no password.

Code

src/exporters/pgConnection.ts[R349-353]

+  if (answer === undefined) return undefined;
+  if (typeof answer !== 'string') {
+    throw new Error('PostgresExporter: the password function of the pool answered no string, which pg refuses too.');
+  }
+  return answer;

Evidence
The callback's undefined result is explicitly accepted, the URI password is emitted only for a
truthy result, and the child environment inherits process.env when the invocation supplies no
override. The added test asserts that inherited PGPASSWORD remains.
src/exporters/pgConnection.ts[322-353]
src/exporters/pgConnection.ts[373-380]
src/exporters/PostgresExporter.ts[225-236]
tests/postgresExporter.args.spec.ts[379-383]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
A password callback returning `undefined` is translated into an export that can inherit `PGPASSWORD`, changing the credential used.
## Fix Focus Areas
- src/exporters/pgConnection.ts[328-353]
- src/exporters/pgConnection.ts[363-380]
- src/exporters/PostgresExporter.ts[225-236]
## Recommended Fix
Distinguish a callback result from an absent configured password. Prevent inherited libpq credentials from replacing a callback's passwordless result, or refuse the export if that result cannot be represented faithfully. Test with nonempty `PGPASSWORD`.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

4. ~~Exports can use TLS against pool settings~~ ✓ Resolved

Description

readAsPg() leaves PGSSLMODE=prefer active when the pool explicitly sets ssl: false, because
prefer is classified as a plain mode. On a TLS-capable server, libpq prefers TLS for the export
while the pool uses its explicit non-TLS setting.

Code

src/exporters/pgConnection.ts[R312-315]

+    } else if (env.PGSSLMODE && !PLAIN_SSLMODES.has(env.PGSSLMODE)) {
+      // pg connects without TLS here, its ssl being false or PGSSLMODE a value it does not know. libpq would read
+      // PGSSLMODE: it refuses pg's no-verify, and require or verify-* insist on TLS where pg makes none.
+      connection.parameters.push(['sslmode', 'disable']);

Evidence
Explicit settings.ssl takes precedence over the environment for the pool model, but the
PLAIN_SSLMODES guard prevents an overriding URI parameter for prefer. The child inherits that
environment setting.
src/exporters/pgConnection.ts[100-120]
src/exporters/pgConnection.ts[297-316]
src/exporters/PostgresExporter.ts[225-236]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
An explicit pool `ssl: false` is not carried to pg_dump when inherited `PGSSLMODE` is `prefer`.
## Fix Focus Areas
- src/exporters/pgConnection.ts[100-104]
- src/exporters/pgConnection.ts[297-316]
## Recommended Fix
When the pool explicitly disables TLS, emit `sslmode=disable` if inherited `PGSSLMODE=prefer` could enable it. Add a test for that combination.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

5. ~~Exports can reject the pool's TLS peer~~ ✓ Resolved

Description

readAsPg() preserves PGSSLMODE=verify-full even when the pool explicitly has `ssl: {
rejectUnauthorized: false }`. With a certificate the pool is configured to accept without
verification, pg_dump instead requires certificate and hostname verification and can fail the
export.

Code

src/exporters/pgConnection.ts[R308-310]

+      // libpq's require encrypts and checks no certificate; a PGSSLMODE that checks one is kept.
+      if (!TLS_SSLMODES.has(env.PGSSLMODE ?? '')) {
+        connection.parameters.push(['sslmode', 'require']);

Evidence
The adapter passes explicit ssl to its pool; the converter recognizes rejectUnauthorized as an
allowed setting but emits no URI override when inherited PGSSLMODE is verify-full. The
invocation passes that environment to pg_dump.
src/adapters/postgresAdapter.ts[1375-1379]
src/exporters/pgConnection.ts[224-231]
src/exporters/pgConnection.ts[297-310]
src/exporters/PostgresExporter.ts[225-236]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
An inherited `PGSSLMODE=verify-full` overrides a pool's explicit choice not to verify its TLS peer during export.
## Fix Focus Areas
- src/exporters/pgConnection.ts[297-316]
## Recommended Fix
Determine the export TLS mode from the pool's explicit `ssl` setting before retaining `PGSSLMODE`. Override conflicting inherited verification for `rejectUnauthorized: false`, and test that combination.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

6. ~~Password cleared by keyword parsing falls back to PGPASSWORD unexpectedly~~ ✓ Resolved

Description

keywordConnectionOf strips every password= setting out of the string regardless of its value,
including an explicit empty password='', and only sets PGPASSWORD when password is truthy.
libpq, given an explicit empty password in the string, does not fall back to
PGPASSWORD/~/.pgpass, but after this rewrite the empty password setting is simply removed and
libpq falls back to whatever PGPASSWORD happens to hold in the environment, changing which
credential is used for login.

Code

src/exporters/PostgresExporter.ts[R177-185]

+  if (passwordSpans.length === 0) return { dbname: connectionString, env: {} };
+  let kept = '';
+  let from = 0;
+  for (const [start, end] of passwordSpans) {
+    kept += text.slice(from, start);
+    from = end;
+  }
+  kept += text.slice(from);
+  return { dbname: kept.trim(), env: password ? { PGPASSWORD: password } : {} };

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
`keywordConnectionOf` removes every `password=` keyword/value pair from the connection string, including an explicit `password=''`, and only emits `PGPASSWORD` when the value is non-empty. This differs from libpq, which treats an explicit empty password as 'no password, do not consult PGPASSWORD or ~/.pgpass', so removing the setting changes the effective credential used to whatever is in the ambient PGPASSWORD.
## Fix Focus Areas
- src/exporters/PostgresExporter.ts[172-185]
## Recommended Fix
When the parsed password value is an empty string, keep an explicit marker (e.g. still set `PGPASSWORD=''` or leave a `password=` placeholder in the dbname string) so pg_dump does not fall back to an ambient PGPASSWORD or ~/.pgpass that libpq itself would have ignored.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

Tip of the day

💡 Did you know, you can start a comment with 'qodo' or '@qodo' to chat about any finding

More tips ↗ | Customize Qodo ↗ | Qodo docs ↗

…LS follows pg's, and pg_dump never asks for a password - keyword=value settings with an empty password, and a pool whose password function answers none, hand pg_dump an empty PGPASSWORD while the environment holds another (libpq reads PGPASSWORD only for a password left out; pg reads none after a function's empty answer) - a pool that checks no certificate gets sslmode=require over a PGSSLMODE of verify-ca or verify-full; a pool that chose no TLS gets sslmode=disable over prefer or allow; an empty PGSSLMODE, which libpq refuses, gives way to disable; ssl=0 beside a certificate file and an sslmode libpq does not know are TLS, as pg reads them - pg's own ConnectionParameters names the host, port, user and database of the URI, a database parameter and an empty host parameter included; on CI's server the export reaches the database and host pg reaches for both, and is refused like the pool where the password function answers none - pg_dump runs with --no-password

… pg's reading, and pg_dump runs with --no-password - keyword=value settings: an empty password goes to PGPASSWORD empty, as libpq reads an empty setting, so the environment's PGPASSWORD is never sent in its place - a pool's password function that answers no password: the URI holds an empty password parameter, which becomes an empty PGPASSWORD, since pg then connects with none and reads no PGPASSWORD (lib/client.js, _getPassword) - TLS is read as pg reads it: the connection string's ssl as pg-connection-string makes it (a certificate file over ssl=0, no-verify and uselibpqcompat's prefer and require checking no certificate), else the settings', else PGSSLMODE. TLS that checks no certificate is require over any PGSSLMODE; no TLS the pool chose is disable; where no TLS is pg's default, libpq's default stays unless PGSSLMODE is one libpq refuses; an sslmode libpq does not know is require - pg_dump runs with --no-password: with no password for a server that asks, it asked on the terminal or waited on its standard input, which execFile leaves open - README and CHANGELOG 0.7.16 say so, and that a database parameter and an empty host parameter are read as pg reads them

…hich the server would hold half logged in pg-pool drops a client whose connection failed without ending it, and pg leaves its socket open, so the server kept that login waiting until authentication_timeout. DROP DATABASE ... WITH (FORCE) in the suite's afterAll waited on it (ProcSignalBarrier), and a CREATE INDEX CONCURRENTLY in another suite waited on DROP DATABASE's transaction. The export alone shows pg_dump refused with no password.

jddunn · 2026-10-17T23:16:48Z

#66 merged at 23:16Z with 0.7.16 in package.json and a ## [0.7.16] section in CHANGELOG.md, and its release run publishes that version. This branch now conflicts on both files: it needs 0.7.17, with its own section above #66's, or its fixes publish nothing (a push whose version npm already has publishes nothing, per RELEASING.md).

# Conflicts: # CHANGELOG.md

jddunn · 2026-10-17T23:21:59Z

Merged master (#66) in 9daa91e and moved this branch to 0.7.17 in 234d89c: its notes are a ## [0.7.17] section above #66's ## [0.7.16], which is master's byte for byte, and #64's line left this section since 0.7.16 released it.

jddunn · 2026-10-17T23:22:01Z

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… a client of the pool, with no arguments before pg 8.19.0 and the client's ConnectionParameters from 8.19.0

…hod of a client made of the pool's settings, with no arguments before pg 8.19.0 and the client's ConnectionParameters from 8.19.0, without calling the settings' stream function

# Conflicts: # CHANGELOG.md

…Lite does, as a name, so its assignment is saved

jddunn · 2026-10-18T05:14:47Z

On the code review summary for 75024e0: its two open items, 1 (a database parameter) and 2 (an empty host parameter), are the findings its own threads closed as false positives at 23:17Z (1, 2). pg reads neither string as they describe. pg-connection-string 2.14.1 copies the query into its config (index.js:40-42), then takes the host from the URL wherever the host parameter is empty or missing (index.js:54-56), and the database from the URL's path alone, null without one (index.js:66-67); pg's ConnectionParameters then falls back to PGDATABASE and the user's name. So postgresql://app@db.example/?database=reports reaches PGDATABASE or app, and postgresql://app@url-host/app?host= reaches url-host whatever PGHOST says, for the pool and the export alike. The exporter's URI holds that reading; specs pin both with mocked arguments, against pg's own ConnectionParameters, and through the real pg and pg_dump on CI's server. No change.

jddunn · 2026-10-18T05:14:49Z

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Inline comments:
Review comments at @src/exporters/pgConnection.ts:
- Around line 492-495: Update the URI construction in the function returning the
libpq connection URI so hosts containing colons are bracketed, while Unix-socket
paths remain unbracketed. Encode percent signs in bracketed IPv6 hosts as `%25`
for zone IDs, and preserve the existing port, database, and query construction.

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CHANGELOG.md
README.md
package.json
src/adapters/indexedDbAdapter.ts
src/exporters/PostgresExporter.ts
src/exporters/pgConnection.ts
tests/indexedDbAdapter.durability.spec.ts

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…s own Client, the libpq parameters pg does not read are left out, the port is read with parseInt as pg reads it, and an IPv6 host reaches libpq whole On CI's server: a pool whose Client asks its password function with no arguments, as pg before 8.19.0 does; a pool connection string with a passfile parameter pg does not read, beside the password file PGPASSFILE names; and a pool whose port is 5432x, which pg reads as 5432.

…Client, leave out the libpq parameters pg does not read, and read the port with parseInt as pg does pg-pool keeps the Client it makes its connections with as the pool's Client, and that Client's own routine (_getPassword, _checkPgPass in pg 8.13.1 and before) asks the function on a client of the pool's settings with its pg's arguments, so a pool of another copy of pg is asked as its own pg asks. The URI keeps the parameters pg reads (options, application_name, fallback_application_name, client_encoding, replication, sslnegotiation and the certificate files); passfile, target_session_attrs, require_auth and the rest made pg_dump read another password file or refuse what the pool takes. A port of 5432x is 5432 and a port of 0 gives way to PGPORT, as pg reads them; a port pg reads no number in is refused.

…ient, keeps the parameters pg reads and reads the port as pg does; 0.7.18 releases the browser entry (#71)

jddunn · 2026-10-18T09:00:23Z

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… pg reads it, and TLS where its parse turns TLS on for direct pg reads sslnegotiation from 8.22.0, from the connection string, then the settings, then PGSSLNEGOTIATION, and with direct starts TLS at once. pg 8.13.1 to 8.21.x read none and open TLS with an SSLRequest, and pg-connection-string turns TLS on for sslnegotiation=direct from 2.14.0, a version their caret ranges admit from either side. A fixture Client stands for such a pool, with either parse. On CI's PostgreSQL 16, which offers no TLS, a pool whose pg reads nothing in sslnegotiation=direct connects; on CI's TLS server, a pool that opens TLS with an SSLRequest past it connects. Each export must reach what the pool reaches.

package.json keeps master's 0.8.2: 0.7.18 was never published and master released 0.8.0 to 0.8.2. The branch's changelog entries move under Unreleased, without the browser entry 0.8.0 already lists, and say "versions through 0.8.2" where they said 0.7.17, since 0.8.2 behaves the same.

… it, and TLS for direct only where its parse turns TLS on pg reads sslnegotiation from 8.22.0 (the connection string's over the settings', an empty one as none, then PGSSLNEGOTIATION) and with direct starts TLS at once; pg 8.13.1 to 8.21.x read none and start TLS with an SSLRequest, and pg-connection-string turns TLS on for sslnegotiation=direct from 2.14.0 only. The exporter handed pg_dump the string's sslnegotiation and turned TLS on for direct whatever the pool's pg read, so an export failed where the pool connected. sslNegotiationOf() reads it on a client of the pool's Client (or the pg this library loads), never connected, and a probe client shows whether that Client's parse turns TLS on for direct; where neither can be read, the reading is pg 8.22.0's, which the storage logger says once. A value pg refuses refuses the export. The adapter's exporter runs pg_dump without PGSSLNEGOTIATION (PostgresExporterOptions.unsetEnvironment), which libpq 17 would read beside the URI, and a libpq older than 17 that refuses the parameter gets words saying what to do. The README and the changelog say so.

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Inline comments:
Review comments at @src/exporters/pgConnection.ts:
- Line 699: Update the password-function handling in the connection option
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adding either a nonexistent passfile parameter or an equivalent PGPASSFILE
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src/core/contracts/features.ts
src/exporters/PostgresExporter.ts
src/exporters/pgConnection.ts
tests/fixtures/clientOfEarlierPg.ts
tests/fixtures/clientOfPgBeforeDirectNegotiation.ts
tests/postgres.exporter.spec.ts
tests/postgres.exporter.tls.spec.ts
tests/postgresExporter.args.spec.ts

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…rd function answers none pg connects with no password then and reads neither PGPASSWORD nor a password file (lib/client.js, _getPassword). The URI held an empty password, which kept the environment's PGPASSWORD off pg_dump, but libpq given an empty password reads PGPASSFILE's file or ~/.pgpass (fe-connect.c, connectOptions2), so pg_dump could log in with a password the pool never sends. The URI now also names a passfile that does not exist, which libpq takes as none with no warning (passwordFromFile).

jddunn · 2026-10-21T19:20:02Z

On Qodo's open finding, "Exports can select the wrong database": not changed, since pg does the same.

pg-connection-string 2.14.1 (the version pg 8.23.1 takes) copies the query parameters into the config first (index.js:40), then sets config.database = pathname ? decodeURI(pathname) : null (index.js:67). The URL's path therefore always overwrites a database parameter, and an empty path overwrites it with null. pg then reads PGDATABASE, then the user's name (lib/connection-parameters.js, val('database', config)). So for postgresql://app@db.example/?database=reports the pool connects to PGDATABASE or app, never to reports, and the exporter's URI says the same.

tests/postgresExporter.args.spec.ts:1183-1184 pin both cases (a database parameter with no path, and with an empty path) to PGDATABASE. Lines 1200-1201 hold the exporter's reading equal to pg's own ConnectionParameters for the same strings.

jddunn added 10 commits October 17, 2026 15:20

test(kv): a getter of a stored value is read once, and its first answ…

d34f40a

…er is stored, as IndexedDB's put reads it

fix(kv): write a value's text from the copy structuredClone returns, …

4f4ebf1

…so each property is read once and the value copied once

test(indexeddb): PRAGMA assignments through get() and all() with a co…

0c3b544

…mment between their words, or a quoted name with no space before it

fix(indexeddb): read a PRAGMA statement's head as SQLite's tokenizer …

750a607

…does, comments as whitespace and a quoted name needing no space

test(resolver): a postgres candidate tried after an IndexedDB candida…

a549091

…te that named a segment, on a pool of the caller and on a server

fix(resolver): a postgres candidate opens in its own or the top-level…

9a6769a

… segment alone; only local candidates take the segment another candidate's options named

test(exporter): pg_dump reaches what the pool reaches: pg's reading o…

ecb8919

…f its connection string, PGHOST and the other defaults, a password function, TLS options, keyword=value passwords and passwords that cannot leave the command line

fix(exporter): hand pg_dump a libpq URI of the connection pg makes, a…

9b06562

…sk a password function when the export runs, refuse TLS material pg_dump cannot take, and keep every password off the command line or refuse the export

docs: the exporter reads the pool as pg does, its TLS and password ru…

436810c

…les, the segment a postgres candidate takes, PRAGMA comments and the key-value clone

chore(release): 0.7.16

b2e841d

chatgpt-codex-connector Bot reviewed Oct 17, 2026

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Comment thread src/exporters/pgConnection.ts

Comment thread src/exporters/pgConnection.ts Outdated

Comment thread src/exporters/PostgresExporter.ts Outdated

qodo-free-for-open-source-projects Bot reviewed Oct 17, 2026

View reviewed changes

jddunn added 3 commits October 17, 2026 16:03

jddunn added 2 commits October 17, 2026 16:19

Merge remote-tracking branch 'origin/master' into fix/review-0715

9daa91e

# Conflicts: # CHANGELOG.md

chore(release): 0.7.17

234d89c

chatgpt-codex-connector Bot reviewed Oct 17, 2026

View reviewed changes

Comment thread src/exporters/pgConnection.ts Outdated

jddunn added 2 commits October 17, 2026 20:03

test(exporter): a pool's password function is asked as pg asks it, on…

38bfc66

… a client of the pool, with no arguments before pg 8.19.0 and the client's ConnectionParameters from 8.19.0

fix(exporter): ask a pool's password function as pg asks it: as a met…

b89a9a2

…hod of a client made of the pool's settings, with no arguments before pg 8.19.0 and the client's ConnectionParameters from 8.19.0, without calling the settings' stream function

jddunn added 3 commits October 17, 2026 21:45

Merge remote-tracking branch 'origin/master' into fix/review-0715

6f45608

# Conflicts: # CHANGELOG.md

chore(release): 0.7.18

3593412

fix(indexeddb): read a PRAGMA's schema or name in single quotes as SQ…

75024e0

…Lite does, as a name, so its assignment is saved

jddunn changed the title ~~fix: the defects the review of 0.7.15 found (0.7.17)~~ fix: the defects the reviews of 0.7.15 and of this branch found (0.7.18) Oct 18, 2026

coderabbitai Bot reviewed Oct 18, 2026

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Comment thread src/exporters/pgConnection.ts

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Comment thread src/exporters/pgConnection.ts Outdated

Comment thread src/exporters/pgConnection.ts

Comment thread src/exporters/pgConnection.ts

jddunn added 4 commits October 17, 2026 22:39

Merge remote-tracking branch 'origin/master' into fix/review-0715

85fa0d8

docs: the exporter asks a password function through the pool's own Cl…

c8be144

…ient, keeps the parameters pg reads and reads the port as pg does; 0.7.18 releases the browser entry (#71)

chatgpt-codex-connector Bot reviewed Oct 18, 2026

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jddunn mentioned this pull request Oct 21, 2026

Land three idle pull requests in one batch: #67, #16, #15 #76

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jddunn added 2 commits October 21, 2026 03:11

jddunn changed the title ~~fix: the defects the reviews of 0.7.15 and of this branch found (0.7.18)~~ fix: the defects the reviews of 0.7.15 and of this branch found Oct 21, 2026

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jddunn merged commit e7bbe01 into master Oct 21, 2026
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jddunn deleted the fix/review-0715 branch October 21, 2026 10:47

This was referenced Oct 23, 2026

fix: the defects the review of 0.6.14 found, ported onto master #77

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ci: publish the next patch on every push that changes a file the package ships #79

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sourcery-ai Bot commented Oct 17, 2026

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Sequence diagram for safe PostgreSQL export connection translation

Flow diagram for PostgreSQL resolver segment isolation

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jddunn commented Oct 17, 2026 •

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