Release 0.4.0

New versioning mechanism

CONTRIBUTING.md

@@ -19,7 +19,7 @@ in which those scripts are loaded.
 
 Scripts would be best coded in a way to be usable both for creation
 and upgrade of the objects. This means using CREATE OR REPLACE for
-the functions, and whatever it takes to check existance of any previous
+the functions, and whatever it takes to check existence of any previous
 version of objects in other cases.
 
 When used as an extension (probably always from version 0.2.0 onwards)
@@ -27,8 +27,8 @@ all the objects will be installed in a "cartodb" schema. Take this into
 account to fully-qualify internal calls to avoid (possibly dangerous)
 name clashes.
 
-Every new feature (as well as bugfixes) should come with a testcase,
-see next session.
+Every new feature (as well as bugfixes) should come with a test case,
+see next section.
 
 Writing testcases
 -----------------
@@ -58,4 +58,3 @@ Starting with 0.2.0, the in-place reload can be done with an ad-hoc function:
 ```sql
 SELECT cartodb.cdb_extension_reload();
 ```
-

Makefile

@@ -1,7 +1,7 @@
 # cartodb/Makefile
 
 EXTENSION = cartodb
-EXTVERSION = 0.3.6
+EXTVERSION = 0.4.0
 
 SED = sed
 
@@ -26,6 +26,7 @@ UPGRADABLE = \
   0.3.3 \
   0.3.4 \
   0.3.5 \
+  0.3.6 \
   $(EXTVERSION)dev \
   $(EXTVERSION)next \
   $(END)
@@ -36,7 +37,6 @@ UPGRADES = \
      $(SED) 's/$$/--$(EXTVERSION).sql/' | \
      $(SED) 's/ /--$(EXTVERSION).sql $(EXTENSION)--/g')
 
-REV=$(shell git describe)
 GITDIR=$(shell test -d .git && echo '.git' || cat .git | $(SED) 's/^gitdir: //')
 
 DATA_built = \
@@ -78,7 +78,7 @@ $(EXTENSION).control: $(EXTENSION).control.in Makefile
 	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' $< > $@
 
 cartodb_version.sql: cartodb_version.sql.in Makefile $(GITDIR)/index
-	$(SED) -e 's/@@VERSION@@/$(EXTVERSION) $(REV)/' $< > $@
+	$(SED) -e 's/@@VERSION@@/$(EXTVERSION)/' $< > $@
 
 legacy_regress: $(REGRESS_OLD) Makefile
 	mkdir -p sql/test/

NEWS.md

@@ -1,3 +1,8 @@
+0.4.0 (2014-08-27)
+------------------
+Added CDB_Math_Mode function
+Changes in versioning: no revision is attached so it no longer uses `git describe` for the version.
+
 0.3.6 (2014-08-11)
 ------------------
 Dummy release to solve some issues with cdb branch/tag

README.md

@@ -20,12 +20,16 @@ Dependencies
 Install
 -------
 
- make all install
+```sh
+make all install
+```
 
 Test installation
 -----------------
 
- make installcheck
+```sh
+make installcheck
+```
 
 NOTE: if ``test_ddl_triggers`` fails it's likely due to an incomplete
       installation of schema_triggers: you need to add ``schema_triggers.so``

scripts-available/CDB_Math.sql

@@ -0,0 +1,26 @@
+-- CartoDB Math SQL functions
+
+
+-- Mode
+-- https://wiki.postgresql.org/wiki/Aggregate_Mode
+
+CREATE OR REPLACE FUNCTION cartodb._CDB_Math_final_mode(anyarray)
+  RETURNS anyelement AS
+$BODY$
+    SELECT a
+    FROM unnest($1) a
+    GROUP BY 1 
+    ORDER BY COUNT(1) DESC, 1
+    LIMIT 1;
+$BODY$
+LANGUAGE 'sql' IMMUTABLE;
+
+DROP AGGREGATE IF EXISTS cartodb.CDB_Math_Mode(anyelement);
+
+CREATE AGGREGATE cartodb.CDB_Math_Mode(anyelement) (
+  SFUNC=array_append,
+  STYPE=anyarray,
+  FINALFUNC=_CDB_Math_final_mode,
+  INITCOND='{}'
+);
+

scripts-enabled/220-CDB_Math.sql

@@ -0,0 +1 @@
+../scripts-available/CDB_Math.sql

test/CDB_MathTest.sql

@@ -0,0 +1,4 @@
+
+SELECT cdb_math_mode(a) from unnest(ARRAY[1,2,2,3]) a;
+SELECT cdb_math_mode(a) from unnest(ARRAY[1,2,3]) a;
+SELECT cdb_math_mode(a) from unnest(ARRAY[1]) a;

test/CDB_MathTest_expect

@@ -0,0 +1,3 @@
+2
+1
+1