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+/*********************************************************************************
+# Copyright 2014 Observational Health Data Sciences and Informatics
+#
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+********************************************************************************/
+
+/************************
+
+ ####### #     # ####### ######      #####  ######  #     #           #######      #####      #####
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+ #     # #     # #     # #          #       #     # #     #    #    #       # ###       #    #       #    # #  # #      #   #   #####  ###### # #  # #   #        #
+ #     # #     # #     # #          #     # #     # #     #     #  #  #     # ### #     #    #     # #    # #   ## #    #   #   #   #  #    # # #   ##   #   #    #
+ ####### #     # ####### #           #####  ######  #     #      ##    #####  ###  #####      #####   ####  #    #  ####    #   #    # #    # # #    #   #    ####
+
+
+netezza script to create the required indexes within OMOP common data model, version 5.3
+
+last revised: 14-November-2017
+
+author:  Patrick Ryan, Clair Blacketer
+
+description:  These primary keys and indices are considered a minimal requirement to ensure adequate performance of analyses.
+
+*************************/
+
+
+/************************
+*************************
+*************************
+*************************
+
+Primary key constraints
+
+*************************
+*************************
+*************************
+************************/
+
+
+
+/************************
+
+Standardized vocabulary
+
+************************/
+
+
+
+ALTER TABLE concept ADD CONSTRAINT xpk_concept PRIMARY KEY (concept_id);
+
+ALTER TABLE vocabulary ADD CONSTRAINT xpk_vocabulary PRIMARY KEY (vocabulary_id);
+
+ALTER TABLE domain ADD CONSTRAINT xpk_domain PRIMARY KEY (domain_id);
+
+ALTER TABLE concept_class ADD CONSTRAINT xpk_concept_class PRIMARY KEY (concept_class_id);
+
+ALTER TABLE concept_relationship ADD CONSTRAINT xpk_concept_relationship PRIMARY KEY (concept_id_1,concept_id_2,relationship_id);
+
+ALTER TABLE relationship ADD CONSTRAINT xpk_relationship PRIMARY KEY (relationship_id);
+
+ALTER TABLE concept_ancestor ADD CONSTRAINT xpk_concept_ancestor PRIMARY KEY (ancestor_concept_id,descendant_concept_id);
+
+ALTER TABLE source_to_concept_map ADD CONSTRAINT xpk_source_to_concept_map PRIMARY KEY (source_vocabulary_id,target_concept_id,source_code,valid_end_date);
+
+ALTER TABLE drug_strength ADD CONSTRAINT xpk_drug_strength PRIMARY KEY (drug_concept_id, ingredient_concept_id);
+
+ALTER TABLE cohort_definition ADD CONSTRAINT xpk_cohort_definition PRIMARY KEY (cohort_definition_id);
+
+ALTER TABLE attribute_definition ADD CONSTRAINT xpk_attribute_definition PRIMARY KEY (attribute_definition_id);
+
+
+/**************************
+
+Standardized meta-data
+
+***************************/
+
+
+
+/************************
+
+Standardized clinical data
+
+************************/
+
+
+/**PRIMARY KEY NONCLUSTERED constraints**/
+
+ALTER TABLE person ADD CONSTRAINT xpk_person PRIMARY KEY ( person_id ) ;
+
+ALTER TABLE observation_period ADD CONSTRAINT xpk_observation_period PRIMARY KEY ( observation_period_id ) ;
+
+ALTER TABLE specimen ADD CONSTRAINT xpk_specimen PRIMARY KEY ( specimen_id ) ;
+
+ALTER TABLE death ADD CONSTRAINT xpk_death PRIMARY KEY ( person_id ) ;
+
+ALTER TABLE visit_occurrence ADD CONSTRAINT xpk_visit_occurrence PRIMARY KEY ( visit_occurrence_id ) ;
+
+ALTER TABLE visit_detail ADD CONSTRAINT xpk_visit_detail PRIMARY KEY ( visit_detail_id ) ;
+
+ALTER TABLE procedure_occurrence ADD CONSTRAINT xpk_procedure_occurrence PRIMARY KEY ( procedure_occurrence_id ) ;
+
+ALTER TABLE drug_exposure ADD CONSTRAINT xpk_drug_exposure PRIMARY KEY ( drug_exposure_id ) ;
+
+ALTER TABLE device_exposure ADD CONSTRAINT xpk_device_exposure PRIMARY KEY ( device_exposure_id ) ;
+
+ALTER TABLE condition_occurrence ADD CONSTRAINT xpk_condition_occurrence PRIMARY KEY ( condition_occurrence_id ) ;
+
+ALTER TABLE measurement ADD CONSTRAINT xpk_measurement PRIMARY KEY ( measurement_id ) ;
+
+ALTER TABLE note ADD CONSTRAINT xpk_note PRIMARY KEY ( note_id ) ;
+
+ALTER TABLE note_nlp ADD CONSTRAINT xpk_note_nlp PRIMARY KEY ( note_nlp_id ) ;
+
+ALTER TABLE observation  ADD CONSTRAINT xpk_observation PRIMARY KEY ( observation_id ) ;
+
+
+
+
+/************************
+
+Standardized health system data
+
+************************/
+
+
+ALTER TABLE location ADD CONSTRAINT xpk_location PRIMARY KEY ( location_id ) ;
+
+ALTER TABLE care_site ADD CONSTRAINT xpk_care_site PRIMARY KEY ( care_site_id ) ;
+
+ALTER TABLE provider ADD CONSTRAINT xpk_provider PRIMARY KEY ( provider_id ) ;
+
+
+
+/************************
+
+Standardized health economics
+
+************************/
+
+
+ALTER TABLE payer_plan_period ADD CONSTRAINT xpk_payer_plan_period PRIMARY KEY ( payer_plan_period_id ) ;
+
+ALTER TABLE cost ADD CONSTRAINT xpk_visit_cost PRIMARY KEY ( cost_id ) ;
+
+
+/************************
+
+Standardized derived elements
+
+************************/
+
+ALTER TABLE cohort ADD CONSTRAINT xpk_cohort PRIMARY KEY ( cohort_definition_id, subject_id, cohort_start_date, cohort_end_date  ) ;
+
+ALTER TABLE cohort_attribute ADD CONSTRAINT xpk_cohort_attribute PRIMARY KEY ( cohort_definition_id, subject_id, cohort_start_date, cohort_end_date, attribute_definition_id ) ;
+
+ALTER TABLE drug_era ADD CONSTRAINT xpk_drug_era PRIMARY KEY ( drug_era_id ) ;
+
+ALTER TABLE dose_era  ADD CONSTRAINT xpk_dose_era PRIMARY KEY ( dose_era_id ) ;
+
+ALTER TABLE condition_era ADD CONSTRAINT xpk_condition_era PRIMARY KEY ( condition_era_id ) ;