Rename compression TAM to hyperstore

The access method and associated tests is renamed to "hyperstore".

sql/compression.sql

@@ -5,5 +5,5 @@
 CREATE FUNCTION ts_compressionam_handler(internal) RETURNS table_am_handler
 AS '@MODULE_PATHNAME@', 'ts_compressionam_handler' LANGUAGE C;
 
-CREATE ACCESS METHOD tscompression TYPE TABLE HANDLER ts_compressionam_handler;
-COMMENT ON ACCESS METHOD tscompression IS 'TimescaleDB columnar compression';
+CREATE ACCESS METHOD hyperstore TYPE TABLE HANDLER ts_compressionam_handler;
+COMMENT ON ACCESS METHOD hyperstore IS 'TimescaleDB columnar compression';

sql/updates/reverse-dev.sql

@@ -1,3 +1,3 @@
 -- Hyperstore AM
-DROP ACCESS METHOD IF EXISTS tscompression;
+DROP ACCESS METHOD IF EXISTS hyperstore;
 DROP FUNCTION IF EXISTS ts_compressionam_handler;

src/utils.c

@@ -1803,7 +1803,7 @@ bool
 ts_is_hypercore_am(Oid amoid)
 {
 	if (!OidIsValid(hypercore_amoid))
-		hypercore_amoid = get_table_am_oid("tscompression", true);
+		hypercore_amoid = get_table_am_oid("hyperstore", true);
 
 	if (!OidIsValid(amoid) || !OidIsValid(hypercore_amoid))
 		return false;

tsl/src/process_utility.c

@@ -40,7 +40,7 @@ tsl_ddl_command_start(ProcessUtilityArgs *args)
 					case AT_SetAccessMethod:
 					{
 						Oid relid = AlterTableLookupRelation(stmt, NoLock);
-						bool to_compressionam = (strcmp(cmd->name, "tscompression") == 0);
+						bool to_compressionam = (strcmp(cmd->name, "hyperstore") == 0);
 
 						if (to_compressionam)
 							compressionam_alter_access_method_begin(relid, false);
@@ -204,7 +204,7 @@ tsl_ddl_command_end(EventTriggerData *command)
 					case AT_SetAccessMethod:
 					{
 						Oid relid = AlterTableLookupRelation(stmt, NoLock);
-						bool to_compressionam = (strcmp(cmd->name, "tscompression") == 0);
+						bool to_compressionam = (strcmp(cmd->name, "hyperstore") == 0);
 						compressionam_alter_access_method_finish(relid, !to_compressionam);
 						break;
 					}

tsl/test/expected/hyperstore.out

@@ -74,15 +74,15 @@ WHERE location = 1;
 
 -- We should be able to set the table access method for a chunk, which
 -- will automatically compress the chunk.
-ALTER TABLE :chunk SET ACCESS METHOD tscompression;
+ALTER TABLE :chunk SET ACCESS METHOD hyperstore;
 SET timescaledb.enable_transparent_decompression TO false;
 -- Show access method used on chunk
 SELECT c.relname, a.amname FROM pg_class c
 INNER JOIN pg_am a ON (c.relam = a.oid)
 WHERE c.oid = :'chunk'::regclass;
-     relname      |    amname     
-------------------+---------------
- _hyper_1_1_chunk | tscompression
+     relname      |   amname   
+------------------+------------
+ _hyper_1_1_chunk | hyperstore
 (1 row)
 
 -- This should show the chunk as compressed
@@ -529,7 +529,7 @@ SELECT * FROM chunk_data_attrstats;
 
 -- ANALYZE also via hypertable root and show that it will
 -- recurse to another chunk
-ALTER TABLE :chunk2 SET ACCESS METHOD tscompression;
+ALTER TABLE :chunk2 SET ACCESS METHOD hyperstore;
 SELECT relname, reltuples, relpages
 FROM pg_class
 WHERE oid = :'chunk2'::regclass;
@@ -668,9 +668,9 @@ FROM orig JOIN decomp USING (device) WHERE orig.count != decomp.count;
       1 |      17384 |        17388 |    4
 (1 row)
 
--- Convert back to tscompression to check that metadata was cleaned up
--- from last time this table used tscompression
-ALTER TABLE :chunk SET ACCESS METHOD tscompression;
+-- Convert back to hyperstore to check that metadata was cleaned up
+-- from last time this table used hyperstore
+ALTER TABLE :chunk SET ACCESS METHOD hyperstore;
 SET timescaledb.enable_transparent_decompression TO false;
 -- Get the chunk's corresponding compressed chunk
 SELECT format('%I.%I', c2.schema_name, c2.table_name)::regclass AS cchunk

tsl/test/expected/hyperstore_scans.out

@@ -36,7 +36,7 @@ select format('%I.%I', chunk_schema, chunk_name)::regclass as chunk
   from timescaledb_information.chunks
  where format('%I.%I', hypertable_schema, hypertable_name)::regclass = 'readings'::regclass
  limit 1 \gset
-alter table :chunk set access method tscompression;
+alter table :chunk set access method hyperstore;
 --
 -- Check that TID scan works for both compressed and non-compressed
 -- rows.

tsl/test/sql/CMakeLists.txt

@@ -115,7 +115,7 @@ if((${PG_VERSION_MAJOR} GREATER_EQUAL "15"))
     merge_compress.sql
     cagg_query_using_merge.sql
     cagg_refresh_using_merge.sql
-    compression_tam.sql
+    hyperstore.sql
     hyperstore_scans.sql)
 endif()
 

tsl/test/sql/hyperstore.sql

@@ -52,7 +52,7 @@ WHERE location = 1;
 
 -- We should be able to set the table access method for a chunk, which
 -- will automatically compress the chunk.
-ALTER TABLE :chunk SET ACCESS METHOD tscompression;
+ALTER TABLE :chunk SET ACCESS METHOD hyperstore;
 SET timescaledb.enable_transparent_decompression TO false;
 
 -- Show access method used on chunk
@@ -256,7 +256,7 @@ SELECT * FROM chunk_data_attrstats;
 
 -- ANALYZE also via hypertable root and show that it will
 -- recurse to another chunk
-ALTER TABLE :chunk2 SET ACCESS METHOD tscompression;
+ALTER TABLE :chunk2 SET ACCESS METHOD hyperstore;
 SELECT relname, reltuples, relpages
 FROM pg_class
 WHERE oid = :'chunk2'::regclass;
@@ -334,9 +334,9 @@ SELECT device, count(*) INTO decomp FROM readings GROUP BY device;
 SELECT device, orig.count AS orig_count, decomp.count AS decomp_count, (decomp.count - orig.count) AS diff
 FROM orig JOIN decomp USING (device) WHERE orig.count != decomp.count;
 
--- Convert back to tscompression to check that metadata was cleaned up
--- from last time this table used tscompression
-ALTER TABLE :chunk SET ACCESS METHOD tscompression;
+-- Convert back to hyperstore to check that metadata was cleaned up
+-- from last time this table used hyperstore
+ALTER TABLE :chunk SET ACCESS METHOD hyperstore;
 SET timescaledb.enable_transparent_decompression TO false;
 
 -- Get the chunk's corresponding compressed chunk

tsl/test/sql/hyperstore_scans.sql

@@ -32,7 +32,7 @@ select format('%I.%I', chunk_schema, chunk_name)::regclass as chunk
  where format('%I.%I', hypertable_schema, hypertable_name)::regclass = 'readings'::regclass
  limit 1 \gset
 
-alter table :chunk set access method tscompression;
+alter table :chunk set access method hyperstore;
 
 --
 -- Check that TID scan works for both compressed and non-compressed