createDdl {CommonDataModel}

Create the OHDSI-SQL Common Data Model DDL code

Description

The createDdl, createForeignKeys, and createPrimaryKeys functions each return a character string containing their respective DDL SQL code in OHDSQL dialect for a specific CDM version. The SQL they generate needs to be rendered and translated before it can be executed.

Usage

createDdl(cdmVersion)

createPrimaryKeys(cdmVersion)

createForeignKeys(cdmVersion)

Arguments

cdmVersion

The version of the CDM you are creating, e.g. 5.3, 5.4

Details

The DDL SQL code is created from a two csv files that detail the OMOP CDM Specifications. These files also form the basis of the CDM documentation and the Data Quality Dashboard.

Value

A character string containing the OHDSQL DDL

A string containing the OHDSQL for creation of primary keys in the OMOP CDM.

A string containing the OHDSQL for creation of foreign keys in the OMOP CDM.

Functions

• createPrimaryKeys(): createPrimaryKeys Returns a string containing the OHDSQL for creation of primary keys in the OMOP CDM.

• createForeignKeys(): createForeignKeys Returns a string containing the OHDSQL for creation of foreign keys in the OMOP CDM.

Examples

## Not run: 
ddl <- createDdl("5.4")
pk <- createPrimaryKeys("5.4")
fk <- createForeignKeys("5.4")

## End(Not run)