Restructure the codebase according to Citus and PGXS guidelines

.gitignore

@@ -1,7 +1,10 @@
-.gitignore
 *.o
 *.so
-*.out
-*.diff
-regress/binary.dat
-regress/failures
+binary.dat
+regression.out
+regression.diffs
+results
+
+hll--?.?.sql
+hll--?.?-*.sql
+!hll--?.?-*--?.?-*.sql

.travis.yml

@@ -1,21 +1,24 @@
 sudo: required
 dist: trusty
 language: c
-env:
-  - PGVERSION=9.2
-  - PGVERSION=9.3
-  - PGVERSION=9.4
-  - PGVERSION=9.5
-  - PGVERSION=9.6
+matrix:
+  fast_finish: true
+  include:
+    - env: PGVERSION=9.4
+    - env: PGVERSION=9.5
+    - env: PGVERSION=9.6
+    - env: PGVERSION=10
+    - env: PGVERSION=11
+  allow_failures:
+    - env: PGVERSION=11
+before_install:
+  - git clone -b v0.7.5 --depth 1 https://github.com/citusdata/tools.git
+  - sudo make -C tools install
+  - setup_apt
+  - nuke_pg
+install:
+  - install_uncrustify
+  - install_pg
 before_script:
-  - export PATH=/usr/lib/postgresql/$PGVERSION/bin:$PATH     # Add our chosen PG version to the path
-  - sudo /etc/init.d/postgresql stop                         # Stop whichever version of PG that travis started
-  - sudo /etc/init.d/postgresql start $PGVERSION             # Start the version of PG that we want to test
-  - sudo apt-get update -qq                                  # Retrieves new list of packages
-  - sudo apt-get install postgresql-server-dev-$PGVERSION    # Required for PGXS
-  - sudo apt-get install postgresql-common                   # Required for extension support files
-  - createdb hll_regress                                     # Create the test database
-script:
-  - make && sudo make install
-  - psql -c "create extension hll" hll_regress
-  - make -C regress
+  - config_and_start_cluster
+script: pg_travis_test

Makefile

@@ -11,35 +11,26 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-MODULE_big = hll
-OBJS =		\
-			hll.o \
-			MurmurHash3.o \
-			$(NULL)
-
 EXTENSION = hll
-DATA =		\
-			hll--2.10.sql \
-			$(NULL)
-
-EXTRA_CLEAN += -r $(RPM_BUILD_ROOT)
+EXTVERSION = 2.10
 
-PG_CPPFLAGS += -fPIC
-hll.o: override CFLAGS += -std=c99
-MurmurHash3.o: override CC = $(CXX)
+DATA_built = $(EXTENSION)--$(EXTVERSION).sql
+DATA = $(wildcard $(EXTENSION)--*--*.sql)
 
-ifdef DEBUG
-COPT		+= -O0
-CXXFLAGS	+= -g -O0
-endif
+MODULE_big = $(EXTENSION)
+OBJS = src/hll.o \
+       src/MurmurHash3.o
 
-SHLIB_LINK	+= -lstdc++
+PG_CPPFLAGS = -fPIC -Wall -Wextra -Werror -Wno-unused-parameter -Wno-implicit-fallthrough -Iinclude -I$(libpq_srcdir)
 
-ifndef PG_CONFIG
-PG_CONFIG = pg_config
-endif
+REGRESS = setup $(filter-out setup,$(patsubst sql/%.sql,%,$(sort $(wildcard sql/*.sql))))
 
-PGXS := $(shell $(PG_CONFIG) --pgxs)
+PG_CONFIG ?= pg_config
+PGXS = $(shell $(PG_CONFIG) --pgxs)
 include $(PGXS)
 
+src/hll.o: override CFLAGS += -std=c99
+
+$(EXTENSION)--2.10.sql: $(EXTENSION).sql
+	cat $^ > $@
+

regress/add_agg.ref → expected/add_agg.out

@@ -8,13 +8,11 @@ SELECT hll_set_output_version(1);
 (1 row)
 
 DROP TABLE IF EXISTS test_khvengxf;
-DROP TABLE
+NOTICE:  table "test_khvengxf" does not exist, skipping
 CREATE TABLE test_khvengxf (
 	val    integer
 );
-CREATE TABLE
 insert into test_khvengxf(val) values (1), (2), (3);
-INSERT 0 3
 -- Check default and explicit signatures.
 select hll_print(hll_add_agg(hll_hash_integer(val)))
        from test_khvengxf;
@@ -79,28 +77,28 @@ select hll_print(hll_add_agg(hll_hash_integer(val), 10, 4, 512, 0))
 -- Check range checking.
 select hll_print(hll_add_agg(hll_hash_integer(val), -1))
        from test_khvengxf;
-psql:add_agg.sql:38: ERROR:  log2m modifier must be between 0 and 31
+ERROR:  log2m modifier must be between 0 and 31
 select hll_print(hll_add_agg(hll_hash_integer(val), 32))
        from test_khvengxf;
-psql:add_agg.sql:41: ERROR:  log2m modifier must be between 0 and 31
+ERROR:  log2m modifier must be between 0 and 31
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, -1))
        from test_khvengxf;
-psql:add_agg.sql:44: ERROR:  regwidth modifier must be between 0 and 7
+ERROR:  regwidth modifier must be between 0 and 7
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, 8))
        from test_khvengxf;
-psql:add_agg.sql:47: ERROR:  regwidth modifier must be between 0 and 7
+ERROR:  regwidth modifier must be between 0 and 7
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, 4, -2))
        from test_khvengxf;
-psql:add_agg.sql:50: ERROR:  expthresh modifier must be between -1 and 2^32
+ERROR:  expthresh modifier must be between -1 and 2^32
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, 4, 8589934592))
        from test_khvengxf;
-psql:add_agg.sql:53: ERROR:  expthresh modifier must be between -1 and 2^32
+ERROR:  expthresh modifier must be between -1 and 2^32
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, 4, 512, -1))
        from test_khvengxf;
-psql:add_agg.sql:56: ERROR:  sparseon modifier must be 0 or 1
+ERROR:  sparseon modifier must be 0 or 1
 select hll_print(hll_add_agg(hll_hash_integer(val), 10, 4, 512, 2))
        from test_khvengxf;
-psql:add_agg.sql:59: ERROR:  sparseon modifier must be 0 or 1
+ERROR:  sparseon modifier must be 0 or 1
 -- Check that we return hll_empty on null input.
 select hll_print(hll_add_agg(NULL));
                          hll_print                         
@@ -139,4 +137,3 @@ select hll_print(hll_add_agg(NULL, 10, 4, 512, 0));
 (1 row)
 
 DROP TABLE test_khvengxf;
-DROP TABLE

regress/agg_oob.ref → expected/agg_oob.out

@@ -10,12 +10,11 @@ SELECT hll_set_output_version(1);
 (1 row)
 
 DROP TABLE IF EXISTS test_wdflbzfx;
-DROP TABLE
+NOTICE:  table "test_wdflbzfx" does not exist, skipping
 CREATE TABLE test_wdflbzfx (
     recno    SERIAL,
     v1	     hll
 );
-CREATE TABLE
 INSERT INTO test_wdflbzfx (recno, v1) VALUES
 -- NULL --
 (0, NULL),
@@ -42,22 +41,21 @@ INSERT INTO test_wdflbzfx (recno, v1) VALUES
 (17, E'\\x138b7f0022'),
 (18, E'\\x138b7f0041'),
 (19, E'\\x138b7f0061');
-INSERT 0 20
 -- ----------------------------------------------------------------
 -- Aggregate Union
 -- ----------------------------------------------------------------
 -- No rows selected
 SELECT hll_union_agg(v1) FROM test_wdflbzfx WHERE recno > 100;
  hll_union_agg 
 ---------------
- NULL
+
 (1 row)
 
 -- NULLs
 SELECT hll_union_agg(v1) FROM test_wdflbzfx WHERE recno IN (0, 1, 2, 3);
  hll_union_agg 
 ---------------
- NULL
+
 (1 row)
 
 -- UNDEFINED
@@ -253,23 +251,23 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                       FROM test_wdflbzfx WHERE recno > 100;
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- NULLs
 SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                       FROM test_wdflbzfx WHERE recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- UNDEFINED
 SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                       FROM test_wdflbzfx WHERE recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- UNDEFINED and NULL
@@ -278,7 +276,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EMPTY
@@ -304,7 +302,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EMPTY, UNDEFINED and NULL
@@ -314,7 +312,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EXPLICIT
@@ -340,7 +338,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EXPLICIT, UNDEFINED and NULL
@@ -350,7 +348,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EXPLICIT and EMPTY
@@ -379,7 +377,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- EXPLICIT, EMPTY, UNDEFINED and NULL
@@ -390,7 +388,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- Don't feel like a full sparse/explicit permuatation is adding
@@ -418,7 +416,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- SPARSE, UNDEFINED and NULL
@@ -428,7 +426,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- SPARSE and EMPTY
@@ -457,7 +455,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (4, 5, 6, 7);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 -- SPARSE, EMPTY, UNDEFINED and NULL
@@ -468,8 +466,7 @@ SELECT ceiling(hll_cardinality(hll_union_agg(v1)))
                                             OR recno IN (0, 1, 2, 3);
  ceiling 
 ---------
-    NULL
+        
 (1 row)
 
 DROP TABLE IF EXISTS test_wdflbzfx;
-DROP TABLE

expected/card_op.out

@@ -0,0 +1,63 @@
+-- ----------------------------------------------------------------
+-- Regression tests for cardinality operator.
+-- ----------------------------------------------------------------
+SELECT hll_set_output_version(1);
+ hll_set_output_version 
+------------------------
+                      1
+(1 row)
+
+SELECT #E'\\x108b49'::hll;
+ ?column? 
+----------
+
+(1 row)
+
+SELECT #hll_empty(11,5,256,1);
+ ?column? 
+----------
+        0
+(1 row)
+
+-- # gets evaluated first so || hll_union(double, bigint) fails
+SELECT #hll_empty(11,5,256,1) || hll_hash_integer(1,0);
+ERROR:  operator does not exist: double precision || hll_hashval
+LINE 1: SELECT #hll_empty(11,5,256,1) || hll_hash_integer(1,0);
+                                      ^
+HINT:  No operator matches the given name and argument types. You might need to add explicit type casts.
+SELECT #(hll_empty(11,5,256,1) || hll_hash_integer(1,0));
+ ?column? 
+----------
+        1
+(1 row)
+
+SELECT #E'\\x128b498895a3f5af28cafe'::hll;
+ ?column? 
+----------
+        1
+(1 row)
+
+SELECT #E'\\x128b498895a3f5af28cafeda0ce907e4355b60'::hll;
+ ?column? 
+----------
+        2
+(1 row)
+
+SELECT #E'\\x138b4f0061'::hll;
+     ?column?     
+------------------
+ 1.00024422012692
+(1 row)
+
+SELECT #E'\\x148B480800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'::hll;
+     ?column?     
+------------------
+ 1.00024422012692
+(1 row)
+
+SELECT #E'\\x148B480842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084210842108421084200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'::hll;
+     ?column?     
+------------------
+ 545.638878057197
+(1 row)
+