#' Function to create SQL query for covariates data
#' Last updated: 2021-02-15
#'
#' @param drug_concept_id A string
#' @param biomarker_concept_id A string
#' @param db A string, either "netezza" or "bigquery"
#' @export
repurposing_query_covariates <- function(drug_concept_id, biomarker_concept_id, db = "netezza",...) {
if (db == "netezza") {
#Table variables
drug_exposure <- "v_drug_exposure"
concept <- "v_concept"
concept_ancestor <- "v_concept_ancestor"
drug_concept_id <- drug_concept_id
biomarker_concept_id <- biomarker_concept_id
visit_occurrence <- "v_visit_occurrence"
start_date <- "add_months(s1.first_drug_exposure, -12) as start_date"
end_date <- "add_months(s1.first_drug_exposure, 12) as end_date"
measurement <- "v_measurement"
person <- "v_person"
}
if (db == "bigquery") {
#Table variables
drug_exposure <- "`drug_exposure`"
concept <- "`concept`"
concept_ancestor <- "`concept_ancestor`"
drug_concept_id <- drug_concept_id
biomarker_concept_id <- biomarker_concept_id
visit_occurrence <- "`visit_occurrence`"
start_date <- "DATE_SUB(s1.first_drug_exposure, INTERVAL 12 MONTH) as start_date"
end_date <- "DATE_ADD(s1.first_drug_exposure, INTERVAL 12 MONTH) as end_date"
measurement <- "`measurement`"
person <- "`person`"
}
#codesets
codesets <- glue::glue("
WITH pw_codesets AS
(
SELECT s3.codeset_id, s3.concept_id, s3.concept_name
FROM (
(SELECT 1 as codeset_id, s1.concept_id, s1.concept_name
FROM (
SELECT t1.concept_id, t1.concept_name
FROM (SELECT * FROM {concept} WHERE domain_id = 'Drug') t1
INNER JOIN (SELECT * FROM {concept_ancestor} WHERE ancestor_concept_id = {drug_concept_id}) t2
ON (t1.concept_id = t2.DESCENDANT_CONCEPT_ID)
GROUP BY t1.concept_id, t1.concept_name
) s1)
UNION DISTINCT
(SELECT 2 as codeset_id, s2.concept_id, s2.concept_name
FROM (
SELECT t1.concept_id, t1.concept_name
FROM (SELECT * FROM {concept} WHERE domain_id = 'Measurement') t1
INNER JOIN (SELECT * FROM {concept_ancestor} WHERE ancestor_concept_id = {biomarker_concept_id}) t2
ON (t1.concept_id = t2.DESCENDANT_CONCEPT_ID)
GROUP BY t1.concept_id, t1.concept_name
) s2)) s3
),
")
#Index date
index_date <- glue::glue("
pw_index_date AS
(
SELECT s1.person_id,
{drug_concept_id} as drug_concept_id,
s1.drug_exposure_start_date
FROM (
(SELECT s2.person_id, s2.drug_concept_id, s3.concept_name as drug_concept_name, s2.drug_exposure_start_date
FROM (SELECT * FROM {drug_exposure}) s2
INNER JOIN (SELECT concept_id, concept_name FROM pw_codesets WHERE codeset_id = 1) s3
ON (s2.drug_concept_id = s3.concept_id))
) s1
),
")
#First and last lisinopril exposure dates
pw_obsperiod <- glue::glue("
pw_obsperiod AS
(
SELECT s1.person_id,
s1.drug_concept_id,
min(s1.drug_exposure_start_date) as first_drug_exposure,
max(s1.drug_exposure_start_date) as last_drug_exposure
FROM (
(SELECT s2.person_id, s2.drug_concept_id, s2.drug_exposure_start_date
FROM (SELECT * FROM pw_index_date) s2
INNER JOIN (SELECT * FROM {visit_occurrence} WHERE visit_concept_id = 9202) s3
ON (s2.person_id = s3.person_id AND s2.drug_exposure_start_date = s3.visit_start_date))
) s1
GROUP BY s1.person_id, s1.drug_concept_id
),
")
#Covariates
pw_covariates <- glue::glue("
pw_covariates AS
(
SELECT s1.person_id,
s1.dob,
s1.gender_concept_id,
s1.race_concept_id
FROM (
(SELECT s2.person_id, date(s2.birth_datetime) as dob, s2.gender_concept_id, s2.race_concept_id
FROM (SELECT * FROM {person}) s2
INNER JOIN (SELECT * FROM pw_index_date) s3
ON (s2.person_id = s3.person_id)
GROUP BY s2.person_id, s2.birth_datetime, s2.gender_concept_id, s2.race_concept_id)
) s1
),
")
#Merged covariates and first/last drug exposure
pw_covariates_merged <- glue::glue("
pw_covariates_merged AS
(
SELECT s1.person_id, s1.dob, s1.gender_concept_id, s1.race_concept_id, s1.drug_concept_id, s1.first_drug_exposure, s1.last_drug_exposure
FROM (
(SELECT s2.person_id, s2.dob, s2.gender_concept_id, s2.race_concept_id, s3.drug_concept_id, s3.first_drug_exposure, s3.last_drug_exposure
FROM (SELECT * FROM pw_covariates) s2
INNER JOIN (SELECT * FROM pw_obsperiod) s3
ON (s2.person_id = s3.person_id)
GROUP BY s2.person_id, s2.dob, s2.gender_concept_id, s2.race_concept_id, s3.drug_concept_id, s3.first_drug_exposure, s3.last_drug_exposure)
) s1
)
SELECT * FROM pw_covariates_merged
")
covariates_query <- paste(codesets, index_date, pw_obsperiod, pw_covariates, pw_covariates_merged, sep = "\n")
return(covariates_query)
}
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