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update methodology calc., integrate new indicators
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api/src/migrations/1692854789441-UpdateImpactStoredFunctions.ts
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,200 @@ | ||
| import { MigrationInterface, QueryRunner } from 'typeorm'; | ||
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|
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| export class UpdateImpactStoredFunctions1692854789441 | ||
| implements MigrationInterface | ||
| { | ||
| public async up(queryRunner: QueryRunner): Promise<void> { | ||
| /** | ||
| * @description: This function is used to get the h3 table name and column name for a given indicator by its name code | ||
| */ | ||
| await queryRunner.query(` | ||
| CREATE OR REPLACE FUNCTION get_h3_table_column_for_indicators_by_name_code(name_code text) | ||
| RETURNS TABLE (h3_table_name varchar, h3_column_name varchar, h3_resolution int) AS | ||
| $$ | ||
| SELECT h3_data."h3tableName", h3_data."h3columnName", h3_data."h3resolution" | ||
| FROM h3_data | ||
| INNER JOIN "indicator" ind ON ind."id" = h3_data."indicatorId" | ||
| WHERE ind."nameCode" = name_code | ||
| $$ | ||
| LANGUAGE SQL;`); | ||
|
|
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| /** | ||
| * @description: Calculates Impact for deforestation, climate risk, carbon and natural conversion | ||
| * | ||
| * @notes: ##NOTE: Assuming that deforestation-ghg emissions/human land use has been preprocessed and stored in the ddbb | ||
| * ## UPDATED DEFORESTATION, CLIMATE RISK FORMULAS/CARBON, NATURAL CONVERSION: | ||
| */ | ||
|
|
||
| await queryRunner.query(` | ||
| CREATE OR REPLACE FUNCTION get_annual_landscape_impact_over_georegion( | ||
| geo_region_id uuid, | ||
| name_code text, | ||
| material_id uuid, | ||
| h3_material_type material_to_h3_type_enum | ||
| ) | ||
| RETURNS float AS | ||
| $$ | ||
| DECLARE | ||
| h3_resolution integer; | ||
| indicator_h3_table_name varchar; | ||
| indicator_h3_column_name varchar; | ||
| h3_indicator_resolution varchar; | ||
| material_h3_table_name varchar; | ||
| material_h3_column_name varchar; | ||
| sum float; | ||
| BEGIN | ||
| -- Get h3data table name, column for indicator given name_code | ||
| SELECT * INTO indicator_h3_table_name, indicator_h3_column_name, h3_indicator_resolution | ||
| FROM get_h3_table_column_for_indicators_by_name_code(name_code); | ||
| -- Get h3data table name, column and resolution for the material, given the material id and h3_ | ||
| SELECT * INTO material_h3_table_name, material_h3_column_name, h3_resolution | ||
| FROM get_h3_table_column_for_material(material_id, h3_material_type); | ||
| -- Sum landscape impact values | ||
| EXECUTE format( | ||
| 'SELECT sum(h3ind.%I * h3prod.%I ) | ||
| FROM | ||
| get_h3_uncompact_geo_region($1, $2) geo_region | ||
| INNER JOIN %I h3ind ON h3ind.h3index = geo_region.h3index | ||
| INNER JOIN %I h3prod ON h3ind.h3index = h3prod.h3index; | ||
| ', indicator_h3_column_name, material_h3_column_name, indicator_h3_table_name, material_h3_table_name) | ||
| USING geo_region_id, h3_resolution | ||
| INTO sum; | ||
| RETURN sum; | ||
| END; | ||
| $$ | ||
| LANGUAGE plpgsql; | ||
| `); | ||
| /** | ||
| * @description: Calculates Impact for new indicators added as part of this change | ||
| * | ||
| * @notes: ## NEW INDICATORS: | ||
| * | ||
| * ## Water quality - use the same function as the blue water footprint | ||
| * #I have slightly modified the formula to make it dependent on the indicator table | ||
| */ | ||
|
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| await queryRunner.query(` | ||
| CREATE OR REPLACE FUNCTION get_indicator_coefficient_impact( | ||
| name_code text, | ||
| adminRegionId uuid, | ||
| material_id uuid) | ||
| RETURNS float AS | ||
| $$ | ||
| DECLARE | ||
| indicator_id uuid; | ||
| value float; | ||
| BEGIN | ||
| --get indicatorId | ||
| SELECT "id" INTO indicator_id FROM "indicator" | ||
| WHERE "nameCode" = name_code; | ||
| -- get water footprint value by location, material and indicator | ||
| EXECUTE format( | ||
| 'SELECT | ||
| COALESCE ( | ||
| ( | ||
| SELECT ic."value" /1000 --convert the m3 to Mm3 | ||
| FROM "indicator_coefficient" ic | ||
| WHERE ic."adminRegionId" = $1 | ||
| AND ic."materialId" = $2 | ||
| AND ic."indicatorId" = $3 | ||
| AND ic."value" IS NOT NULL | ||
| ), | ||
| ( | ||
| SELECT ic."value" /1000 --convert the m3 to Mm3 | ||
| FROM "indicator_coefficient" ic | ||
| WHERE ic."adminRegionId" IS NULL | ||
| AND ic."materialId" = $2 | ||
| AND ic."indicatorId" = $3 | ||
| AND ic."value" IS NOT NULL | ||
| ) | ||
| ) AS value;' | ||
| ) | ||
| USING adminRegionId, material_id, indicator_id | ||
| INTO value; | ||
| RETURN value; | ||
| END; | ||
| $$ | ||
| LANGUAGE plpgsql; | ||
| `); | ||
|
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||
| await queryRunner.query(` | ||
| DROP FUNCTION IF EXISTS get_percentage_water_stress_area; | ||
| CREATE OR REPLACE FUNCTION get_percentage_water_stress_area( | ||
| geo_region_id uuid, | ||
| name_code text | ||
| ) | ||
| RETURNS float AS | ||
| $$ | ||
| DECLARE | ||
| aqueduct_h3_table_name varchar; | ||
| aqueduct_h3_column_name varchar; | ||
| h3_resolution integer; | ||
| percentage float; | ||
| BEGIN | ||
| -- Get h3data table name, column | ||
| SELECT * INTO aqueduct_h3_table_name, aqueduct_h3_column_name, h3_resolution | ||
| FROM get_h3_table_column_for_indicators_by_name_code(name_code); | ||
| EXECUTE format( | ||
| 'SELECT reduced.ws_area/ reduced.g_area as percentage | ||
| FROM | ||
| (SELECT | ||
| sum(case when aqueduct.%I > 3 then 1 else 0 end) ws_area, count(aqueduct.%I) g_area | ||
| FROM get_h3_uncompact_geo_region($1, $2) geo_region | ||
| INNER JOIN %I aqueduct ON aqueduct.h3index = geo_region.h3index) reduced | ||
| WHERE reduced.g_area > 0;', | ||
| aqueduct_h3_column_name, | ||
| aqueduct_h3_column_name, | ||
| aqueduct_h3_table_name | ||
| ) | ||
| USING geo_region_id, h3_resolution | ||
| INTO percentage; | ||
| RETURN percentage; | ||
| END; | ||
| $$ | ||
| LANGUAGE plpgsql;`); | ||
|
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| await queryRunner.query(`DROP FUNCTION IF EXISTS sum_h3_cropland_area`); | ||
|
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| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS sum_weighted_deforestation_over_georegion`, | ||
| ); | ||
|
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| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS sum_weighted_carbon_over_georegion`, | ||
| ); | ||
|
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| await queryRunner.query(`DROP FUNCTION IF EXISTS get_blfw_impact`); | ||
| } | ||
|
|
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| /** | ||
| * @description: Remove procedures that are no longer needed | ||
| */ | ||
|
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| public async down(queryRunner: QueryRunner): Promise<void> { | ||
| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS get_annual_landscape_impact_over_georegion`, | ||
| ); | ||
|
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||
| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS get_indicator_coefficient_impact`, | ||
| ); | ||
|
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| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS get_h3_table_column_for_indicators_by_name_code`, | ||
| ); | ||
|
|
||
| await queryRunner.query( | ||
| `DROP FUNCTION IF EXISTS get_percentage_water_stress_area`, | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| import { Injectable, Logger } from '@nestjs/common'; | ||
| import { DataSource } from 'typeorm'; | ||
| import { IMPACT_VIEW_NAME } from 'modules/impact/views/impact.materialized-view.entity'; | ||
|
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| @Injectable() | ||
| export class ImpactViewUpdater { | ||
| logger: Logger = new Logger(ImpactViewUpdater.name); | ||
|
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| constructor(private readonly dataSource: DataSource) {} | ||
|
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| async updateImpactView(): Promise<void> { | ||
| if (await this.isViewEmpty()) { | ||
| return this.populateViewForTheFirstTime(); | ||
| } | ||
| return this.refreshView(); | ||
| } | ||
|
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| private async isViewEmpty(): Promise<boolean> { | ||
| const result: any = await this.dataSource.query( | ||
| `SELECT * FROM pg_matviews WHERE matviewname = '${IMPACT_VIEW_NAME}'`, | ||
| ); | ||
| return !result[0].ispopulated; | ||
| } | ||
|
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| private async populateViewForTheFirstTime(): Promise<void> { | ||
| this.logger.warn('Populating Impact View for the first time...'); | ||
| return this.dataSource.query( | ||
| `REFRESH MATERIALIZED VIEW ${IMPACT_VIEW_NAME} WITH DATA`, | ||
| ); | ||
| } | ||
|
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| private async refreshView(): Promise<void> { | ||
| this.logger.warn('Refreshing Impact View...'); | ||
| return this.dataSource.query( | ||
| `REFRESH MATERIALIZED VIEW CONCURRENTLY ${IMPACT_VIEW_NAME} WITH DATA`, | ||
| ); | ||
| } | ||
| } |
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