refactor: rename reports for consistent categories

- b6 → c1: buffer cache is not bloat, new 'cache' category
- c1 → p1: index creation progress, new 'progress' category
- p1 → x1: alignment padding (experimental), new 'experimental' category

Updated: start.psql menu, README, CI regression tests, release notes.

Author: NikolayS

.github/workflows/test.yml

@@ -127,8 +127,8 @@ jobs:
           exit 1
         fi
         
-        echo "  Testing p1_alignment_padding.sql..."
-        OUTPUT=$(PAGER=cat psql -h localhost -U dba_user -d test --no-psqlrc -f warmup.psql -f sql/p1_alignment_padding.sql | grep align)
+        echo "  Testing x1_alignment_padding.sql..."
+        OUTPUT=$(PAGER=cat psql -h localhost -U dba_user -d test --no-psqlrc -f warmup.psql -f sql/x1_alignment_padding.sql | grep align)
         if [[ "$OUTPUT" == *"align1"* && "$OUTPUT" == *"align2"* && "$OUTPUT" == *"int4, more, int8"* ]]; then
           echo "    ✓ Alignment padding test passed"
         else

README.md

@@ -42,7 +42,11 @@ Then connect to any Postgres server via psql and type `:dba` to open the interac
 | b3 | Table bloat via `pgstattuple` (expensive) |
 | b4 | B-tree index bloat via `pgstattuple` (expensive) |
 | b5 | Tables and columns without stats (bloat cannot be estimated) |
-| b6 | Buffer cache contents (requires `pg_buffercache`, expensive) |
+
+### Cache
+| ID | Report |
+|----|--------|
+| c1 | Buffer cache contents (requires `pg_buffercache`, expensive) |
 
 ### Indexes
 | ID | Report |
@@ -58,7 +62,11 @@ Then connect to any Postgres server via psql and type `:dba` to open the interac
 |----|--------|
 | v1 | Vacuum: current activity |
 | v2 | Autovacuum progress and queue |
-| c1 | Index creation/reindex progress |
+
+### Progress
+| ID | Report |
+|----|--------|
+| p1 | Index creation/reindex progress |
 
 ### Statements
 | ID | Report |
@@ -73,7 +81,7 @@ Then connect to any Postgres server via psql and type `:dba` to open the interac
 | t1 | Postgres parameters tuning |
 | t2 | Objects with custom storage parameters |
 | e1 | Installed extensions |
-| p1 | Alignment padding analysis (experimental) |
+| x1 | Alignment padding analysis (experimental) |
 | r1 | Create user with random password (interactive) |
 | r2 | Alter user with random password (interactive) |
 

RELEASE_NOTES.md

@@ -4,7 +4,7 @@
 
 ## New Reports
 
-### b6 — Buffer cache contents
+### c1 — Buffer cache contents
 What's in your `shared_buffers` right now. Shows cached size vs total size, % of cache used per object, and dirty buffer counts. Requires `pg_buffercache` extension.
 
 ### s3 — Workload profile by query type
@@ -18,6 +18,16 @@ The node information report now includes:
 - **WAL**: current LSN, file count, total WAL size
 - **Replication Slots**: name, type, active/inactive status, lag from current WAL position
 
+## Report Renames
+
+Categories reorganized for consistency:
+
+| Old | New | Reason |
+|-----|-----|--------|
+| b6 | **c1** | Buffer cache isn't bloat — moved to new **c** (cache) category |
+| c1 | **p1** | Index creation progress → **p** (progress) category |
+| p1 | **x1** | Alignment padding (experimental) → **x** (experimental) category |
+
 ## Bug Fixes
 
 - **i3**: Fixed `operator is not unique` error when `intarray` extension is installed (added explicit `::int2[]` cast)

sql/b6_buffercache.sql sql/c1_buffercache.sqlsql/b6_buffercache.sql renamed to sql/c1_buffercache.sql

@@ -10,8 +10,7 @@
 \echo '  b3 – Table bloat (requires pgstattuple; expensive)'
 \echo '  b4 – B-tree indexes bloat (requires pgstattuple; expensive)'
 \echo '  b5 – Tables and columns without stats (so bloat cannot be estimated)'
-\echo '  b6 – Buffer cache contents (requires pg_buffercache; expensive)'
-\echo '  c1 – Index (re)creation progress (CREATE INDEX / REINDEX)'
+\echo '  c1 – Buffer cache contents (requires pg_buffercache; expensive)'
 \echo '  e1 – Extensions installed in current database'
 \echo '  i1 – Unused and rarely used indexes'
 \echo '  i2 – Redundant indexes'
@@ -20,7 +19,7 @@
 \echo '  i5 – Cleanup unused and redundant indexes – DO & UNDO migration DDL'
 \echo '  l1 – Lock trees (lightweight)'
 \echo '  l2 – Lock trees, detailed (based on pg_blocking_pids())'
-\echo '  p1 – [EXP] Alignment padding: how many bytes can be saved if columns are reordered?'
+\echo '  p1 – Index (re)creation progress (CREATE INDEX / REINDEX)'
 \echo '  r1 – Create user with random password (interactive)'
 \echo '  r2 – Alter user with random password (interactive)'
 \echo '  s1 – Slowest queries, by total time (requires pg_stat_statements)'
@@ -30,6 +29,7 @@
 \echo '  t2 – Objects with custom storage parameters'
 \echo '  v1 – Vacuum: current activity'
 \echo '  v2 – VACUUM progress and autovacuum queue'
+\echo '  x1 – [EXP] Alignment padding: how many bytes can be saved if columns are reordered?'
 \echo '   q – Quit'
 \echo
 \echo Type your choice and press <Enter>:
@@ -46,7 +46,6 @@ select
 :d_stp::text = 'b3' as d_step_is_b3,
 :d_stp::text = 'b4' as d_step_is_b4,
 :d_stp::text = 'b5' as d_step_is_b5,
-:d_stp::text = 'b6' as d_step_is_b6,
 :d_stp::text = 'c1' as d_step_is_c1,
 :d_stp::text = 'e1' as d_step_is_e1,
 :d_stp::text = 'i1' as d_step_is_i1,
@@ -66,6 +65,7 @@ select
 :d_stp::text = 't2' as d_step_is_t2,
 :d_stp::text = 'v1' as d_step_is_v1,
 :d_stp::text = 'v2' as d_step_is_v2,
+:d_stp::text = 'x1' as d_step_is_x1,
 :d_stp::text = 'q' as d_step_is_q \gset
 \if :d_step_is_q
   \echo 'Bye!'
@@ -110,12 +110,8 @@ select
   \ir ./sql/b5_tables_no_stats.sql
   \prompt 'Press <Enter> to continue…' d_dummy
   \ir ./start.psql
-\elif :d_step_is_b6
-  \ir ./sql/b6_buffercache.sql
-  \prompt 'Press <Enter> to continue…' d_dummy
-  \ir ./start.psql
 \elif :d_step_is_c1
-  \ir ./sql/c1_index_create_progress.sql
+  \ir ./sql/c1_buffercache.sql
   \prompt 'Press <Enter> to continue…' d_dummy
   \ir ./start.psql
 \elif :d_step_is_e1
@@ -151,7 +147,7 @@ select
   \prompt 'Press <Enter> to continue…' d_dummy
   \ir ./start.psql
 \elif :d_step_is_p1
-  \ir ./sql/p1_alignment_padding.sql
+  \ir ./sql/p1_index_create_progress.sql
   \prompt 'Press <Enter> to continue…' d_dummy
   \ir ./start.psql
 \elif :d_step_is_r1
@@ -190,6 +186,10 @@ select
   \ir ./sql/v2_autovacuum_progress_and_queue.sql
   \prompt 'Press <Enter> to continue…' d_dummy
   \ir ./start.psql
+\elif :d_step_is_x1
+  \ir ./sql/x1_alignment_padding.sql
+  \prompt 'Press <Enter> to continue…' d_dummy
+  \ir ./start.psql
 \else
   \echo
   \echo '\033[1;31mError:\033[0m Unknown option! Try again.'