WIP: WPC1 sequence

.travis.yml

@@ -10,47 +10,52 @@ addons:
     packages:
       - expect-dev  # provides unbuffer utility
 
-before_install:
- - psql --version
- - sudo /etc/init.d/postgresql stop
- - sudo apt-get -y --purge remove postgresql libpq-dev libpq5 postgresql-client-common postgresql-common
- - sudo rm -rf /var/lib/postgresql
- - wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
- - sudo sh -c "echo deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main $PGVERSION >> /etc/apt/sources.list.d/postgresql.list"
- - sudo sh -c "echo deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg-testing main $PGVERSION >> /etc/apt/sources.list.d/postgresql.list"
- - sudo apt-get update -qq
- - sudo apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::="--force-confnew" install postgresql-$PGVERSION postgresql-server-dev-$PGVERSION
- - sudo chmod 777 /etc/postgresql/$PGVERSION/main/pg_hba.conf
- - sudo echo "local   all         postgres                          trust" > /etc/postgresql/$PGVERSION/main/pg_hba.conf
- - sudo echo "local   all         all                               trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
- - sudo echo "host    all         all         128.0.0.1/32          trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
- - sudo echo "host    all         all         ::1/128               trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
- - sudo /etc/init.d/postgresql restart
- - psql --version
-
-before_script:
-  - createuser -U postgres -s travis
-  - psql -c "CREATE USER myflow WITH PASSWORD 'myflow';" -U postgres
-  - psql -c 'CREATE DATABASE myflow WITH OWNER myflow;' -U postgres
-
 env:
+  global:
+    - DBFLOW=myflow
   matrix:
     - PGVERSION=9.4
     - PGVERSION=9.5
     - PGVERSION=9.6
     - PGVERSION=10
     - PGVERSION=11
 
+before_install:
+  - psql --version
+  - sudo /etc/init.d/postgresql stop
+  - sudo apt-get -y --purge remove postgresql libpq-dev libpq5 postgresql-client-common postgresql-common
+  - sudo rm -rf /var/lib/postgresql
+  - wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+  - sudo sh -c "echo deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main $PGVERSION >> /etc/apt/sources.list.d/postgresql.list"
+  - sudo sh -c "echo deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg-testing main $PGVERSION >> /etc/apt/sources.list.d/postgresql.list"
+  - sudo apt-get update -qq
+  - sudo apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::="--force-confnew" install postgresql-$PGVERSION postgresql-server-dev-$PGVERSION postgresql-$PGVERSION-pgtap
+  - sudo chmod 777 /etc/postgresql/$PGVERSION/main/pg_hba.conf
+  - sudo echo "local   all         postgres                          trust" > /etc/postgresql/$PGVERSION/main/pg_hba.conf
+  - sudo echo "local   all         all                               trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
+  - sudo echo "host    all         all         128.0.0.1/32          trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
+  - sudo echo "host    all         all         ::1/128               trust" >> /etc/postgresql/$PGVERSION/main/pg_hba.conf
+  - sudo /etc/init.d/postgresql restart
+  - psql --version
+
+before_script:
+  - createuser -U postgres -s travis
+  - psql -c "CREATE USER myflow WITH PASSWORD 'myflow';" -U postgres
+  - psql -c 'CREATE DATABASE myflow WITH OWNER myflow;' -U postgres
+  - psql -c 'CREATE EXTENSION pgtap;' -U postgres -d $DBFLOW
+
 install:
-    - git clone https://github.com/sql-flow/pg-extension.git $HOME/pg-extension
-    - export PATH=$HOME/pg-extension/scripts:$PATH
-    - echo "Install OK"
+  - git clone https://github.com/sql-flow/pg-extension.git $HOME/pg-extension
+  - export PATH=$HOME/pg-extension/scripts:$PATH
+  - echo "Install OK"
 
 script:
-    - psql -v "ON_ERROR_STOP=1" -f ./sql/sqlflow-structure.sql -U postgres myflow
-    - psql -v "ON_ERROR_STOP=1" -f ./sql/sqlflow-instance.sql -U postgres myflow
+  - psql -v "ON_ERROR_STOP=1" -f ./sql/sqlflow-structure.sql -U postgres $DBFLOW
+  - psql -v "ON_ERROR_STOP=1" -f ./sql/sqlflow-instance.sql -U postgres $DBFLOW
+  - psql -v "ON_ERROR_STOP=1" -f ./sql/sqlflow-functions.sql -U postgres $DBFLOW
+  - pg_prove -U postgres -d $DBFLOW test/*.sql
 
 after_success:
-    - echo "Success OK"
-    - psql -f ./sql/uninstall_sqlflow.sql -U postgres myflow
+  - echo "Success OK"
+  - psql -f ./sql/uninstall_sqlflow.sql -U postgres $DBFLOW
 

Makefile

@@ -0,0 +1,12 @@
+TESTS        = $(wildcard test/sql/*.sql)
+REGRESS      = $(patsubst test/sql/%.sql,%,$(TESTS))
+REGRESS_OPTS = --inputdir=test --load-language=plpgsql
+PG_CONFIG   ?= pg_config
+PG92         = $(shell $(PG_CONFIG) --version | grep -qE " 8\.| 9\.0| 9\.1" && echo no || echo yes)
+
+ifeq ($(PG92),no)
+$(error $(EXTENSION) requires PostgreSQL 9.2 or higher)
+endif
+
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)

sql/sqlflow-functions.sql

@@ -0,0 +1,31 @@
+/*
+function: GET_WORKFLOW_ID()
+argument: 1> a_ref: the unique reference of the workflow
+return: Primary key of the workflow
+*/
+CREATE OR REPLACE FUNCTION get_workflow_id(
+	a_ref CHARACTER VARYING(36)
+) RETURNS integer AS
+$BODY$
+
+DECLARE 
+	t_workflow_id INTEGER DEFAULT NULL;
+BEGIN
+
+	BEGIN
+		SELECT id INTO STRICT t_workflow_id 
+	  	  FROM sqlflow.workflow 
+	     WHERE uref=a_ref;
+	EXCEPTION
+    	WHEN NO_DATA_FOUND THEN
+            RAISE EXCEPTION 'Workflow "%" not found', a_ref;
+    	WHEN TOO_MANY_ROWS THEN
+            RAISE EXCEPTION 'Workflow "%" not unique', a_ref;
+	END;
+
+	RETURN t_workflow_id;
+
+END;
+$BODY$
+LANGUAGE plpgsql IMMUTABLE;
+

sql/sqlflow-instance.sql

@@ -8,7 +8,6 @@ SET search_path TO sqlflow, public;
 CREATE TABLE sqlflow.instance
 (
     id bigserial,
-    -- workflow_id integer REFERENCES sqlflow.workflow ON DELETE CASCADE,
     version_id integer REFERENCES sqlflow.version ON DELETE CASCADE ON UPDATE CASCADE,
     rel_table character varying(127) NOT NULL,
     flow_type flow_type NOT NULL DEFAULT 'row',

sql/sqlflow-structure.sql

@@ -6,6 +6,7 @@
 --
 -- Add user to manage sqlflow object s in database
 --
+DROP ROLE IF EXISTS sqlflow;
 CREATE ROLE sqlflow WITH
   NOLOGIN
   NOSUPERUSER

test/base.sql

@@ -0,0 +1,21 @@
+-- Start transaction and plan the tests.
+BEGIN;
+SELECT plan(10);
+
+-- Run test on sqlflow structure
+SELECT has_schema('sqlflow');
+
+SELECT has_type('sqlflow', 'flow_type', 'flow_type exists');
+SELECT has_type('sqlflow', 'flow_cond', 'flow_cond exists');
+SELECT has_type('sqlflow', 'flow_state', 'flow_state exists');
+
+SELECT has_table('sqlflow', 'workflow', 'workflow table exists');
+SELECT has_column('sqlflow', 'workflow', 'id', 'id column exists');
+SELECT has_column('sqlflow', 'workflow', 'uref', 'uref column exists');
+SELECT has_column('sqlflow', 'workflow', 'title', 'title column exists');
+SELECT has_column('sqlflow', 'workflow', 'rel_table', 'rel_table column exists');
+SELECT has_column('sqlflow', 'workflow', 'flow_type', 'flow_type column exists');
+
+-- Finish the tests and clean up.
+SELECT * FROM finish();
+ROLLBACK;