fix: Document PostgreSQL replication parameters for WAL streaming#1531
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April 18, 2026 03:11
…rsioned docs Commit d5341c4 documented the Arrow nanosecond timestamp range limitation (~1677–2262) for MSSQL and Oracle connectors, but only in website/docs/ (vNext). The limitation existed in all prior versions too — in versions 1.5.x–1.11.x, out-of-range timestamps silently returned 1970-01-01 UTC instead of erroring. Propagate the limitation note to all 7 versioned doc directories (14 files total) with version-appropriate wording.
…d defaults The docs listed pg_connection_pool_min_idle (default 1) and connection_pool_size (default 5), but the code uses pg_connection_pool_min (default 5) and connection_pool_size (default 10).
The docs stated the default ssl_mode is tls, but the code has always used auto as the default since at least v1.5.0.
The docs showed the default time format as 2006-01-02T15:04:05Z07:00 but the code uses 2006-01-02T15:04:05.000Z07:00 (with .000 milliseconds). This matters because Go format strings are exact patterns — without .000, timestamps with millisecond precision would not parse correctly.
The PostgreSQL connector added logical replication (WAL streaming) support in PR #10364 with 5 new parameters (pg_replication_slot, pg_publication, pg_replication_initial_snapshot, pg_replication_temporary_slot, pg_replication_status_interval) that were not yet documented.
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) * fix: Add nanosecond timestamp range limitation to MSSQL and Oracle versioned docs Commit d5341c4 documented the Arrow nanosecond timestamp range limitation (~1677–2262) for MSSQL and Oracle connectors, but only in website/docs/ (vNext). The limitation existed in all prior versions too — in versions 1.5.x–1.11.x, out-of-range timestamps silently returned 1970-01-01 UTC instead of erroring. Propagate the limitation note to all 7 versioned doc directories (14 files total) with version-appropriate wording. * fix: Correct PostgreSQL accelerator connection pool parameter name and defaults The docs listed pg_connection_pool_min_idle (default 1) and connection_pool_size (default 5), but the code uses pg_connection_pool_min (default 5) and connection_pool_size (default 10). * fix: Correct IMAP ssl_mode default from tls to auto The docs stated the default ssl_mode is tls, but the code has always used auto as the default since at least v1.5.0. * fix: Correct DynamoDB default time_format to include milliseconds The docs showed the default time format as 2006-01-02T15:04:05Z07:00 but the code uses 2006-01-02T15:04:05.000Z07:00 (with .000 milliseconds). This matters because Go format strings are exact patterns — without .000, timestamps with millisecond precision would not parse correctly. * fix: Document PostgreSQL replication parameters for WAL streaming The PostgreSQL connector added logical replication (WAL streaming) support in PR #10364 with 5 new parameters (pg_replication_slot, pg_publication, pg_replication_initial_snapshot, pg_replication_temporary_slot, pg_replication_status_interval) that were not yet documented. --------- Co-authored-by: Claude <claude@Claudes-Mini.localdomain> Co-authored-by: lukekim <80174+lukekim@users.noreply.github.com>
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Summary
pg_replication_slot,pg_publication,pg_replication_initial_snapshot,pg_replication_temporary_slot,pg_replication_status_interval) were defined in the ParameterSpec but not yet documentedChanges
Reference
Verified against
spiceai/spiceaiattrunk—crates/data-connectors/connector-postgres/src/lib.rs(lines 100–128)This is a vNext-only change since the feature was just merged to trunk and is not in any released version.