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# Copyright 2018-08 Observational Health Data Sciences and Informatics
#
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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# distributed under the License is distributed on an "AS IS" BASIS,
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redshift script to create OMOP common data model results schema version 6.0

last revised: 27-Aug-2018

Authors:  Patrick Ryan, Christian Reich, Clair Blacketer


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--HINT DISTRIBUTE_ON_KEY(subject_id) 
CREATE TABLE cohort  (
  cohort_definition_id	BIGINT		NOT NULL ,
  subject_id			BIGINT		NOT NULL ,
  cohort_start_date		DATE		NOT NULL ,
  cohort_end_date		DATE		NOT NULL
)
DISTKEY(subject_id);


--HINT DISTRIBUTE ON RANDOM
CREATE TABLE cohort_definition  (
  cohort_definition_id				    INTEGER			  NOT NULL,
  cohort_definition_name			    VARCHAR(255)	NOT NULL,
  cohort_definition_description		VARCHAR(MAX)	NULL,
  definition_type_concept_id		  INTEGER			  NOT NULL,
  cohort_definition_syntax			  VARCHAR(MAX)	NULL,
  subject_concept_id				      INTEGER			  NOT NULL,
  cohort_initiation_date			    DATE			    NULL
)
DISTSTYLE ALL;