debug the tests

timescale · Dec 19, 2024 · 0009ebd · 0009ebd
1 parent 9596392
commit 0009ebd
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Showing 5 changed files with 50 additions and 39 deletions.
diff --git a/.github/gh_matrix_builder.py b/.github/gh_matrix_builder.py
@@ -24,6 +24,7 @@
 
 import json
 import os
+import random
 import subprocess
 from ci_settings import (
     PG14_EARLIEST,
@@ -309,11 +310,12 @@ def macos_config(overrides):
             sys.exit(1)
 
     if tests:
+        to_run = " ".join(random.shuffle(list(tests) * 20))
         m["include"].append(
             build_debug_config(
                 {
                     "coverage": False,
-                    "installcheck_args": f'TESTS="{" ".join(list(tests) * 20)}"',
+                    "installcheck_args": f'TESTS="{to_run}"',
                     "name": "Flaky Check Debug",
                     "pg": PG16_LATEST,
                     "pginstallcheck": False,
@@ -324,7 +326,7 @@ def macos_config(overrides):
             build_debug_config(
                 {
                     "coverage": False,
-                    "installcheck_args": f'TESTS="{" ".join(list(tests) * 20)}"',
+                    "installcheck_args": f'TESTS="{to_run}"',
                     "name": "Flaky Check Debug",
                     "pg": PG17_LATEST,
                     "pginstallcheck": False,

diff --git a/tsl/test/expected/compression_qualpushdown.out b/tsl/test/expected/compression_qualpushdown.out
@@ -274,6 +274,7 @@ EXPLAIN (costs off) SELECT * FROM pushdown_relabel WHERE dev_vc = 'varchar'::cha
          Filter: ((dev_vc)::bpchar = 'varchar   '::character(10))
 (4 rows)
 
+RESET enable_seqscan;
 -- github issue #5286
 CREATE TABLE deleteme AS
     SELECT generate_series AS timestamp, 1 AS segment, 0 AS data
@@ -299,18 +300,20 @@ SELECT compress_chunk(i) FROM show_chunks('deleteme') i;
 (1 row)
 
 VACUUM ANALYZE deleteme;
-EXPLAIN (costs off) SELECT sum(data) FROM deleteme WHERE segment::text like '%4%';
-                                 QUERY PLAN                                  
------------------------------------------------------------------------------
- Finalize Aggregate
-   ->  Gather
+EXPLAIN (analyze, timing off, summary off) SELECT sum(data) FROM deleteme WHERE segment::text like '%4%';
+                                                                 QUERY PLAN                                                                  
+---------------------------------------------------------------------------------------------------------------------------------------------
+ Finalize Aggregate  (cost=3235.23..3235.24 rows=1 width=8) (actual rows=1 loops=1)
+   ->  Gather  (cost=3235.12..3235.23 rows=1 width=8) (actual rows=2 loops=1)
          Workers Planned: 1
-         ->  Partial Aggregate
-               ->  Parallel Append
-                     ->  Custom Scan (DecompressChunk) on _hyper_7_8_chunk
-                           ->  Parallel Seq Scan on compress_hyper_8_9_chunk
+         Workers Launched: 1
+         ->  Partial Aggregate  (cost=2235.12..2235.13 rows=1 width=8) (actual rows=1 loops=2)
+               ->  Parallel Append  (cost=0.06..1790.12 rows=178000 width=4) (actual rows=0 loops=2)
+                     ->  Custom Scan (DecompressChunk) on _hyper_7_8_chunk  (cost=0.06..1790.12 rows=178000 width=4) (actual rows=0 loops=1)
+                           ->  Parallel Seq Scan on compress_hyper_8_9_chunk  (cost=0.00..10.12 rows=178 width=40) (actual rows=0 loops=1)
                                  Filter: ((segment)::text ~~ '%4%'::text)
-(8 rows)
+                                 Rows Removed by Filter: 303
+(10 rows)
 
 EXPLAIN (costs off) SELECT sum(data) FROM deleteme WHERE '4' = segment::text;
                        QUERY PLAN                        
@@ -531,35 +534,35 @@ EXPLAIN (costs off) SELECT * FROM svf_pushdown WHERE c_name = CURRENT_SCHEMA;
 (5 rows)
 
 EXPLAIN (costs off) SELECT * FROM svf_pushdown WHERE c_bool;
-                                                      QUERY PLAN                                                      
-----------------------------------------------------------------------------------------------------------------------
+                     QUERY PLAN                      
+-----------------------------------------------------
  Custom Scan (DecompressChunk) on _hyper_11_12_chunk
-   ->  Index Scan using compress_hyper_12_13_chunk_c_date_c_time_c_timetz_c_timesta_idx on compress_hyper_12_13_chunk
-         Index Cond: (c_bool = true)
+   ->  Seq Scan on compress_hyper_12_13_chunk
+         Filter: c_bool
 (3 rows)
 
 EXPLAIN (costs off) SELECT * FROM svf_pushdown WHERE c_bool = true;
-                                                      QUERY PLAN                                                      
-----------------------------------------------------------------------------------------------------------------------
+                     QUERY PLAN                      
+-----------------------------------------------------
  Custom Scan (DecompressChunk) on _hyper_11_12_chunk
-   ->  Index Scan using compress_hyper_12_13_chunk_c_date_c_time_c_timetz_c_timesta_idx on compress_hyper_12_13_chunk
-         Index Cond: (c_bool = true)
+   ->  Seq Scan on compress_hyper_12_13_chunk
+         Filter: c_bool
 (3 rows)
 
 EXPLAIN (costs off) SELECT * FROM svf_pushdown WHERE c_bool = false;
-                                                      QUERY PLAN                                                      
-----------------------------------------------------------------------------------------------------------------------
+                     QUERY PLAN                      
+-----------------------------------------------------
  Custom Scan (DecompressChunk) on _hyper_11_12_chunk
-   ->  Index Scan using compress_hyper_12_13_chunk_c_date_c_time_c_timetz_c_timesta_idx on compress_hyper_12_13_chunk
-         Index Cond: (c_bool = false)
+   ->  Seq Scan on compress_hyper_12_13_chunk
+         Filter: (NOT c_bool)
 (3 rows)
 
 EXPLAIN (costs off) SELECT * FROM svf_pushdown WHERE NOT c_bool;
-                                                      QUERY PLAN                                                      
-----------------------------------------------------------------------------------------------------------------------
+                     QUERY PLAN                      
+-----------------------------------------------------
  Custom Scan (DecompressChunk) on _hyper_11_12_chunk
-   ->  Index Scan using compress_hyper_12_13_chunk_c_date_c_time_c_timetz_c_timesta_idx on compress_hyper_12_13_chunk
-         Index Cond: (c_bool = false)
+   ->  Seq Scan on compress_hyper_12_13_chunk
+         Filter: (NOT c_bool)
 (3 rows)
 
 -- current_query() is not a sqlvaluefunction and volatile so should not be pushed down
@@ -585,3 +588,4 @@ LATERAL(
 --
 (1 row)
 
+DROP TABLE svf_pushdown;
diff --git a/tsl/test/expected/compression_sorted_merge_distinct.out b/tsl/test/expected/compression_sorted_merge_distinct.out
@@ -30,17 +30,20 @@ select count(compress_chunk(x, true)) from show_chunks('t') x;
 (1 row)
 
 analyze t;
-explain (costs off) select * from t order by ts;
-                              QUERY PLAN                               
------------------------------------------------------------------------
- Gather Merge
+explain (analyze, timing off, summary off) select * from t order by ts;
+                                                                  QUERY PLAN                                                                   
+-----------------------------------------------------------------------------------------------------------------------------------------------
+ Gather Merge  (cost=152820.15..294845.15 rows=1235000 width=24) (actual rows=840000 loops=1)
    Workers Planned: 1
-   ->  Sort
+   Workers Launched: 1
+   ->  Sort  (cost=151820.14..154907.64 rows=1235000 width=24) (actual rows=420000 loops=2)
          Sort Key: _hyper_1_1_chunk.ts
-         ->  Parallel Append
-               ->  Custom Scan (DecompressChunk) on _hyper_1_1_chunk
-                     ->  Parallel Seq Scan on compress_hyper_2_2_chunk
-(7 rows)
+         Sort Method: external merge  Disk: 15128kB
+         Worker 0:  Sort Method: external merge  Disk: 12888kB
+         ->  Parallel Append  (cost=0.03..12388.35 rows=1235000 width=24) (actual rows=420000 loops=2)
+               ->  Custom Scan (DecompressChunk) on _hyper_1_1_chunk  (cost=0.03..12388.35 rows=1235000 width=24) (actual rows=420000 loops=2)
+                     ->  Parallel Seq Scan on compress_hyper_2_2_chunk  (cost=0.00..38.35 rows=1235 width=92) (actual rows=1050 loops=2)
+(10 rows)
 
 explain (costs off) select * from t where low_card = 1 order by ts;
                                                         QUERY PLAN                                                        

diff --git a/tsl/test/sql/compression_qualpushdown.sql b/tsl/test/sql/compression_qualpushdown.sql
@@ -122,6 +122,7 @@ EXPLAIN (costs off) SELECT * FROM pushdown_relabel WHERE dev_vc = 'varchar';
 EXPLAIN (costs off) SELECT * FROM pushdown_relabel WHERE dev_c = 'char';
 EXPLAIN (costs off) SELECT * FROM pushdown_relabel WHERE dev_vc = 'varchar' AND dev_c = 'char';
 EXPLAIN (costs off) SELECT * FROM pushdown_relabel WHERE dev_vc = 'varchar'::char(10) AND dev_c = 'char'::varchar;
+RESET enable_seqscan;
 
 -- github issue #5286
 CREATE TABLE deleteme AS
@@ -138,7 +139,7 @@ ALTER TABLE deleteme SET (
 
 SELECT compress_chunk(i) FROM show_chunks('deleteme') i;
 VACUUM ANALYZE deleteme;
-EXPLAIN (costs off) SELECT sum(data) FROM deleteme WHERE segment::text like '%4%';
+EXPLAIN (analyze, timing off, summary off) SELECT sum(data) FROM deleteme WHERE segment::text like '%4%';
 EXPLAIN (costs off) SELECT sum(data) FROM deleteme WHERE '4' = segment::text;
 
 CREATE TABLE deleteme_with_bytea(time bigint NOT NULL, bdata bytea);
@@ -200,3 +201,4 @@ LATERAL(
     EXISTS (SELECT FROM meta) LIMIT 1
 ) l;
 
+DROP TABLE svf_pushdown;
diff --git a/tsl/test/sql/compression_sorted_merge_distinct.sql b/tsl/test/sql/compression_sorted_merge_distinct.sql
@@ -23,7 +23,7 @@ alter table t set (timescaledb.compress = true, timescaledb.compress_segmentby =
 select count(compress_chunk(x, true)) from show_chunks('t') x;
 analyze t;
 
-explain (costs off) select * from t order by ts;
+explain (analyze, timing off, summary off) select * from t order by ts;
 explain (costs off) select * from t where low_card = 1 order by ts;
 explain (costs off) select * from t where high_card = 1 order by ts;
 explain (costs off) select * from t where low_card = 1 and high_card = 1 order by ts;