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Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed arrows point from an interface to procedures which implement that interface. This could include the module procedures in a generic interface or the implementation in a submodule of an interface in a parent module. Where possible, edges connecting nodes are given different colours to make them easier to distinguish in large graphs.
SUBROUTINE CreateSQLiteEnvironmentPeriodRecord()
    ! SUBROUTINE INFORMATION:
    !       AUTHOR         Kyle Benne
    !       DATE WRITTEN   January 2010
    !       MODIFIED       na
    !       RE-ENGINEERED  na
    ! PURPOSE OF THIS SUBROUTINE:
    ! This subroutine wites EnvironmentPeriod record to the SQL database
    ! METHODOLOGY EMPLOYED:
    ! Standard SQL92 queries and commands via the Fortran SQLite3 API
    ! REFERENCES:
    ! na
    ! USE STATEMENTS:
    USE ISO_C_FUNCTION_BINDING
    USE DataGlobals, ONLY: KindOfSim
    USE DataEnvironment, ONLY: EnvironmentName, CurEnvirNum
    IMPLICIT NONE ! Enforce explicit typing of all variables in this routine
    ! SUBROUTINE ARGUMENT DEFINITIONS:
    ! SUBROUTINE PARAMETER DEFINITIONS:
    ! na
    ! INTERFACE BLOCK SPECIFICATIONS:
    ! na
    ! DERIVED TYPE DEFINITIONS:
    ! na
    ! SUBROUTINE LOCAL VARIABLE DECLARATIONS:
    INTEGER :: result
    result = SQLiteBindInteger (EnvironmentPeriodInsertStmt, 1, CurEnvirNum)
    result = SQLiteBindInteger (EnvironmentPeriodInsertStmt, 2, 1)
    result = SQLiteBindTextMacro (EnvironmentPeriodInsertStmt, 3, EnvironmentName)
    result = SQLiteBindInteger (EnvironmentPeriodInsertStmt, 4, KindOfSim)
    result = SQLiteStepCommand (EnvironmentPeriodInsertStmt)
    result = SQLiteResetCommand (EnvironmentPeriodInsertStmt)
END SUBROUTINE CreateSQLiteEnvironmentPeriodRecord