Merge pull request #4698 from citusdata/chunk-group-num

Columnar: rename chunk_num -> chunk_group_num.

src/backend/columnar/sql/columnar--9.5-1--10.0-1.sql

@@ -32,9 +32,9 @@ COMMENT ON TABLE stripe IS 'Columnar per stripe metadata';
 CREATE TABLE chunk_group (
     storage_id bigint NOT NULL,
     stripe_num bigint NOT NULL,
-    chunk_num int NOT NULL,
+    chunk_group_num int NOT NULL,
     row_count bigint NOT NULL,
-    PRIMARY KEY (storage_id, stripe_num, chunk_num),
+    PRIMARY KEY (storage_id, stripe_num, chunk_group_num),
     FOREIGN KEY (storage_id, stripe_num) REFERENCES stripe(storage_id, stripe_num) ON DELETE CASCADE
 );
 
@@ -44,7 +44,7 @@ CREATE TABLE chunk (
     storage_id bigint NOT NULL,
     stripe_num bigint NOT NULL,
     attr_num int NOT NULL,
-    chunk_num int NOT NULL,
+    chunk_group_num int NOT NULL,
     minimum_value bytea,
     maximum_value bytea,
     value_stream_offset bigint NOT NULL,
@@ -55,8 +55,8 @@ CREATE TABLE chunk (
     value_compression_level int NOT NULL,
     value_decompressed_length bigint NOT NULL,
     value_count bigint NOT NULL,
-    PRIMARY KEY (storage_id, stripe_num, attr_num, chunk_num),
-    FOREIGN KEY (storage_id, stripe_num, chunk_num) REFERENCES chunk_group(storage_id, stripe_num, chunk_num) ON DELETE CASCADE
+    PRIMARY KEY (storage_id, stripe_num, attr_num, chunk_group_num),
+    FOREIGN KEY (storage_id, stripe_num, chunk_group_num) REFERENCES chunk_group(storage_id, stripe_num, chunk_group_num) ON DELETE CASCADE
 ) WITH (user_catalog_table = true);
 
 COMMENT ON TABLE chunk IS 'Columnar per chunk metadata';

src/test/regress/expected/am_create.out

@@ -45,11 +45,11 @@ $$ LANGUAGE plpgsql;
 -- are chunk groups and chunks consistent?
 CREATE view chunk_group_consistency AS
 WITH a as (
-   SELECT storage_id, stripe_num, chunk_num, min(value_count) as row_count
+   SELECT storage_id, stripe_num, chunk_group_num, min(value_count) as row_count
    FROM columnar.chunk
    GROUP BY 1,2,3
 ), b as (
-   SELECT storage_id, stripe_num, chunk_num, max(value_count) as row_count
+   SELECT storage_id, stripe_num, chunk_group_num, max(value_count) as row_count
    FROM columnar.chunk
    GROUP BY 1,2,3
 ), c as (

src/test/regress/expected/am_insert.out

@@ -192,10 +192,10 @@ ORDER BY 1,2,3;
 ---------------------------------------------------------------------
 (0 rows)
 
-SELECT relname, stripe_num, chunk_num, row_count FROM columnar.chunk_group a, pg_class b
+SELECT relname, stripe_num, chunk_group_num, row_count FROM columnar.chunk_group a, pg_class b
 WHERE columnar_relation_storageid(b.oid)=a.storage_id AND relname = 'zero_col'
 ORDER BY 1,2,3,4;
- relname  | stripe_num | chunk_num | row_count
+ relname  | stripe_num | chunk_group_num | row_count
 ---------------------------------------------------------------------
  zero_col |        1 |       0 |         1
  zero_col |        2 |       0 |         1

src/test/regress/expected/am_vacuum.out

@@ -86,10 +86,10 @@ SELECT count(*) FROM t_stripes;
 
 -- VACUUM FULL doesn't reclaim dropped columns, but converts them to NULLs
 ALTER TABLE t DROP COLUMN a;
-SELECT stripe_num, attr_num, chunk_num, minimum_value IS NULL, maximum_value IS NULL
+SELECT stripe_num, attr_num, chunk_group_num, minimum_value IS NULL, maximum_value IS NULL
 FROM columnar.chunk a, pg_class b
 WHERE a.storage_id = columnar_relation_storageid(b.oid) AND b.relname='t' ORDER BY 1, 2, 3;
- stripe_num | attr_num | chunk_num | ?column? | ?column?
+ stripe_num | attr_num | chunk_group_num | ?column? | ?column?
 ---------------------------------------------------------------------
         1 |      1 |       0 | f        | f
         1 |      2 |       0 | f        | f
@@ -100,10 +100,10 @@ WHERE a.storage_id = columnar_relation_storageid(b.oid) AND b.relname='t' ORDER
 (6 rows)
 
 VACUUM FULL t;
-SELECT stripe_num, attr_num, chunk_num, minimum_value IS NULL, maximum_value IS NULL
+SELECT stripe_num, attr_num, chunk_group_num, minimum_value IS NULL, maximum_value IS NULL
 FROM columnar.chunk a, pg_class b
 WHERE a.storage_id = columnar_relation_storageid(b.oid) AND b.relname='t' ORDER BY 1, 2, 3;
- stripe_num | attr_num | chunk_num | ?column? | ?column?
+ stripe_num | attr_num | chunk_group_num | ?column? | ?column?
 ---------------------------------------------------------------------
         1 |      1 |       0 | t        | t
         1 |      2 |       0 | f        | f

src/test/regress/sql/am_create.sql

@@ -49,11 +49,11 @@ $$ LANGUAGE plpgsql;
 -- are chunk groups and chunks consistent?
 CREATE view chunk_group_consistency AS
 WITH a as (
-   SELECT storage_id, stripe_num, chunk_num, min(value_count) as row_count
+   SELECT storage_id, stripe_num, chunk_group_num, min(value_count) as row_count
    FROM columnar.chunk
    GROUP BY 1,2,3
 ), b as (
-   SELECT storage_id, stripe_num, chunk_num, max(value_count) as row_count
+   SELECT storage_id, stripe_num, chunk_group_num, max(value_count) as row_count
    FROM columnar.chunk
    GROUP BY 1,2,3
 ), c as (

src/test/regress/sql/am_insert.sql

@@ -136,7 +136,7 @@ SELECT relname, stripe_num, value_count FROM columnar.chunk a, pg_class b
 WHERE columnar_relation_storageid(b.oid)=a.storage_id AND relname = 'zero_col'
 ORDER BY 1,2,3;
 
-SELECT relname, stripe_num, chunk_num, row_count FROM columnar.chunk_group a, pg_class b
+SELECT relname, stripe_num, chunk_group_num, row_count FROM columnar.chunk_group a, pg_class b
 WHERE columnar_relation_storageid(b.oid)=a.storage_id AND relname = 'zero_col'
 ORDER BY 1,2,3,4;
 

src/test/regress/sql/am_vacuum.sql

@@ -42,13 +42,13 @@ SELECT count(*) FROM t_stripes;
 -- VACUUM FULL doesn't reclaim dropped columns, but converts them to NULLs
 ALTER TABLE t DROP COLUMN a;
 
-SELECT stripe_num, attr_num, chunk_num, minimum_value IS NULL, maximum_value IS NULL
+SELECT stripe_num, attr_num, chunk_group_num, minimum_value IS NULL, maximum_value IS NULL
 FROM columnar.chunk a, pg_class b
 WHERE a.storage_id = columnar_relation_storageid(b.oid) AND b.relname='t' ORDER BY 1, 2, 3;
 
 VACUUM FULL t;
 
-SELECT stripe_num, attr_num, chunk_num, minimum_value IS NULL, maximum_value IS NULL
+SELECT stripe_num, attr_num, chunk_group_num, minimum_value IS NULL, maximum_value IS NULL
 FROM columnar.chunk a, pg_class b
 WHERE a.storage_id = columnar_relation_storageid(b.oid) AND b.relname='t' ORDER BY 1, 2, 3;