feat: DBA diagnostic enhancements (PGC-90)#12
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- Add `dba stats-age` - detect stale planner statistics - Add `dba config` - configuration review with requires_restart - Add `dba checkpoints` - checkpoint health analysis - Add `dba autovacuum-progress` - running vacuum operations - Enhance `dba indexes` with FK index detection
- Fix checkpoints command for PG17+ (pg_stat_checkpointer view) - Fix autovacuum-progress for PG17+ (num_dead_item_ids column) - Add test for config requires_restart field - Add tests for composite FK index detection
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Summary
Adds five new diagnostic capabilities to pgcrate:
dba stats-age- Detect tables with stale planner statisticsdba config- Configuration review with requires_restart indicatordba checkpoints- Checkpoint health analysisdba autovacuum-progress- Show running autovacuum operationsdba indexes- FK index detection (including composite keys)All commands support
--jsonoutput and follow the DiagnosticOutput envelope pattern.Changes
src/commands/pg_stat_checkpointerand renamed columnsrequires_restartfield and composite FK detectionTest plan
cargo fmt --checkpassescargo clippypasses (only pre-existing warnings)cargo test --test integrationpasses (149/149)