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3nf_tables_dml_procedures.sql
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3nf_tables_dml_procedures.sql
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GRANT CREATE ANY PROCEDURE TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_country TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_customer TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_geolocation TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_product TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_seller TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_stores TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_cities TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_olist_dataset.src_regions TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_generated_dataset.src_stores TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON sa_generated_dataset.src_employees TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_country TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_customer TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_city TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_category TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_employee TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_location TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_position TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_product TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_region TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_seller TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_store TO bl_cl;
GRANT SELECT, INSERT, UPDATE, DELETE ON tab_3NF.ce_sales TO bl_cl;
GRANT SELECT ON tab_3NF.seq_country_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_region_id1 TO bl_cl;
GRANT SELECT ON tab_3NF.seq_city_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_location_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_customer_id TO bl_cl;
GRANT SELECT ON tab_3Nf.seq_seller_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_position_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_employee_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_store_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_category_id TO bl_cl;
GRANT SELECT ON tab_3NF.seq_product_id TO bl_cl;
GRANT SELECT ANY DICTIONARY TO bl_cl;
CREATE OR REPLACE PACKAGE nf3_load_pkg AS
PROCEDURE ce_region_load (source_name IN VARCHAR2);
PROCEDURE ce_city_load (source_name IN VARCHAR2);
PROCEDURE ce_location_load (source_name IN VARCHAR2);
PROCEDURE ce_store_load (source_name IN VARCHAR2);
PROCEDURE ce_category_load (source_name IN VARCHAR2);
PROCEDURE ce_product_load (source_name IN VARCHAR2);
PROCEDURE ce_seller_load (source_name IN VARCHAR2);
PROCEDURE ce_customer_load (source_name IN VARCHAR2);
PROCEDURE ce_position_load (source_name IN VARCHAR2);
PROCEDURE ce_employee_load (source_name IN VARCHAR2);
END nf3_load_pkg;
--------------------------------------------------------------------------------
CREATE OR REPLACE PACKAGE BODY nf3_load_pkg AS
PROCEDURE logger_procedure (exec_user IN VARCHAR2,
exec_time IN TIMESTAMP WITH TIME ZONE,
exec_process_desc IN VARCHAR2,
pop_object_name IN VARCHAR2)
IS
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
INSERT INTO bl_cl.logs (username, execution_time, process_desc, object_name)
VALUES (exec_user, exec_time, exec_process_desc, pop_object_name);
COMMIT;
END logger_procedure;
PROCEDURE ce_country_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
CURSOR curs IS
SELECT src_country.country_id AS country_id_src,
src_country.country_name AS country_name,
source_name AS country_source
FROM sa_olist_dataset.src_country
WHERE src_country.country_id NOT IN (
SELECT country_id_src
FROM tab_3NF.ce_country
)
;
ce_country_record curs%ROWTYPE;
BEGIN
OPEN curs;
LOOP
FETCH curs INTO ce_country_record;
IF UPPER(ce_country_record.country_source) IN (gen_dataset, olist_dataset)
THEN
EXIT WHEN curs%NOTFOUND;
INSERT INTO tab_3NF.ce_country (
ce_country.country_id_src,
ce_country.country_name,
ce_country.country_source
)
VALUES (
ce_country_record.country_id_src,
ce_country_record.country_name,
ce_country_record.country_source
);
ELSE
RAISE invalid_dataset;
EXIT;
END IF;
END LOOP;
CLOSE curs;
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_country');
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_country');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_country');
ROLLBACK;
END ce_country_load;
PROCEDURE ce_region_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
CURSOR curs IS
SELECT DISTINCT src_regions.geolocation_state AS region_abbrev,
ce_country.country_id AS region_country_id,
source_name AS region_source
FROM sa_olist_dataset.src_regions
INNER JOIN tab_3NF.ce_country ON src_regions.geolocation_country_name =
ce_country.country_name
WHERE src_regions.geolocation_state NOT IN (
SELECT ce_region.region_abbrev
FROM tab_3NF.ce_region
)
;
ce_region_record curs%ROWTYPE;
BEGIN
OPEN curs;
LOOP
FETCH curs INTO ce_region_record;
IF UPPER(ce_region_record.region_source) IN (gen_dataset, olist_dataset)
THEN
EXIT WHEN curs%NOTFOUND;
INSERT INTO tab_3NF.ce_region (
ce_region.region_abbrev,
ce_region.region_country_id,
ce_region.region_source
)
VALUES (
ce_region_record.region_abbrev,
ce_region_record.region_country_id,
ce_region_record.region_source
);
ELSE
RAISE invalid_dataset;
EXIT;
END IF;
END LOOP;
CLOSE curs;
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_region');
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_region');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_region');
ROLLBACK;
END ce_region_load;
PROCEDURE ce_city_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
CURSOR curs IS
SELECT DISTINCT src_cities.geolocation_city AS city_name,
ce_region.region_id AS city_region_id,
source_name AS city_source
FROM sa_olist_dataset.src_cities
INNER JOIN tab_3NF.ce_region ON src_cities.geolocation_state =
ce_region.region_abbrev
WHERE src_cities.geolocation_city NOT IN (
SELECT ce_city.city_name
FROM tab_3NF.ce_city
)
;
ce_city_record curs%ROWTYPE;
BEGIN
OPEN curs;
LOOP
FETCH curs INTO ce_city_record;
IF UPPER(ce_city_record.city_source) IN (gen_dataset, olist_dataset)
THEN
EXIT WHEN curs%NOTFOUND;
INSERT INTO tab_3NF.ce_city (
ce_city.city_name,
ce_city.city_region_id,
ce_city.city_source
)
VALUES (
ce_city_record.city_name,
ce_city_record.city_region_id,
ce_city_record.city_region_id
);
ELSE
RAISE invalid_dataset;
EXIT;
END IF;
END LOOP;
CLOSE curs;
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_city');
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_city');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_city');
ROLLBACK;
END ce_city_load;
PROCEDURE ce_location_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_location loc
USING
(
SELECT DISTINCT src_geolocation.geolocation_lat AS location_lat,
src_geolocation.geolocation_lng AS location_ltd,
src_geolocation.geolocation_zip_code_prefix AS location_postal_code,
ce_city.city_id AS location_city_id,
source_name AS location_source
FROM sa_olist_dataset.src_geolocation
INNER JOIN tab_3NF.ce_city ON src_geolocation.geolocation_city = ce_city.city_name
) src
ON (
src.location_lat = loc.location_lat AND
src.location_ltd = loc.location_ltd
)
WHEN NOT MATCHED THEN
INSERT (
loc.location_lat,
loc.location_ltd,
loc.location_postal_code,
loc.location_city_id,
loc.location_source
)
VALUES (
src.location_lat,
src.location_ltd,
src.location_postal_code,
src.location_city_id,
src.location_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_location');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_location');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_location');
ROLLBACK;
END ce_location_load;
PROCEDURE ce_store_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
row_num NUMBER;
curr_user VARCHAR(255);
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_store str
USING
(
SELECT src_stores.store_id AS store_id_src,
src_stores.store_name AS store_name,
src_stores.tel_num AS store_telephone_number,
source_name AS store_source
FROM sa_generated_dataset.src_stores
) src
ON (
src.store_id_src = str.store_id_src
)
WHEN NOT MATCHED THEN
INSERT (
str.store_id_src,
str.store_name,
str.store_telephone_number,
str.store_source
)
VALUES (
src.store_id_src,
src.store_name,
src.store_telephone_number,
src.store_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_store');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_store');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_store');
ROLLBACK;
END ce_store_load;
PROCEDURE ce_category_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_category cat
USING
(
SELECT DISTINCT src_product.product_category_name AS category_name,
source_name AS category_source
FROM sa_olist_dataset.src_product
WHERE src_product.product_category_name IS NOT NULL
) src
ON (
src.category_name = cat.category_name
)
WHEN NOT MATCHED THEN
INSERT (
cat.category_name,
cat.category_source
)
VALUES (
src.category_name,
src.category_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_category');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_category');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_category');
ROLLBACK;
END ce_category_load;
PROCEDURE ce_product_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_product prod
USING
(
SELECT src_product.product_id AS product_id_src,
src_product.product_name AS product_name,
ce_category.category_id AS product_cat_id,
src_product.PRODUCT_LENGTH_CM AS product_len,
src_product.product_width_cm AS product_wid,
src_product.product_height_cm AS product_hei,
src_product.product_weight_g AS product_wei,
sysdate AS product_sop,
'31.12.9999' AS product_eop,
'Olist_Dataset' AS product_source
FROM sa_olist_dataset.src_product
INNER JOIN tab_3NF.ce_category ON src_product.product_category_name
= ce_category.category_name
) src
ON (
src.product_id_src = prod.product_id_src
)
WHEN NOT MATCHED THEN
INSERT (
prod.product_id_src,
prod.product_name,
prod.product_cat_id,
prod.product_len,
prod.product_wid,
prod.product_hei,
prod.product_wei,
prod.product_sop,
prod.product_eop,
prod.product_source
)
VALUES (
src.product_id_src,
src.product_name,
src.product_cat_id,
src.product_len,
src.product_wid,
src.product_hei,
src.product_wei,
src.product_sop,
src.product_eop,
src.product_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_product');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_product');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_product');
ROLLBACK;
END ce_product_load;
PROCEDURE ce_seller_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_seller slr
USING
(
SELECT src_seller.seller_id_src AS seller_id_src,
src_seller.seller_telephone_num AS seller_telephone_num,
src_seller.seller_email AS seller_email,
source_name AS seller_source
FROM sa_olist_dataset.src_seller
) src
ON (
src.seller_id_src = slr.seller_id_src
)
WHEN NOT MATCHED THEN
INSERT (
slr.seller_id_src,
slr.seller_telephone_num,
slr.seller_email,
slr.seller_source
)
VALUES (
src.seller_id_src,
src.seller_telephone_num,
src.seller_email,
src.seller_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_seller');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_seller');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_seller');
ROLLBACK;
END ce_seller_load;
PROCEDURE ce_customer_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_customer cust
USING
(
SELECT DISTINCT src_customer.customer_unique_id AS customer_id_src,
src_customer.customer_first_name AS customer_first_name,
src_customer.customer_last_name AS customer_last_name,
src_customer.customer_telephone_num AS customer_telephone_num,
src_customer.customer_email AS customer_email,
source_name AS customer_source
FROM sa_olist_dataset.src_customer
) src
ON (
src.customer_id_src = cust.customer_id_src
)
WHEN NOT MATCHED THEN
INSERT (
cust.customer_id_src,
cust.customer_first_name,
cust.customer_last_name,
cust.customer_telephone_num,
cust.customer_email,
cust.customer_source
)
VALUES (
src.customer_id_src,
src.customer_first_name,
src.customer_last_name,
src.customer_telephone_num,
src.customer_email,
src.customer_source
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_customer');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_customer');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_customer');
ROLLBACK;
END ce_customer_load;
PROCEDURE ce_position_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_position pos
USING
(
SELECT DISTINCT src_employees.employee_position_name AS position_name,
source_name AS position_source
FROM sa_generated_dataset.src_employees
) src
ON (
src.position_name = pos.position_name
)
WHEN NOT MATCHED THEN
INSERT (
pos.position_name,
pos.position_source
)
VALUES (
src.position_name,
src.position_name
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_position');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_position');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_position');
ROLLBACK;
END ce_position_load;
PROCEDURE ce_employee_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
MERGE INTO tab_3NF.ce_employee empl
USING
(
SELECT src_employees.employee_id AS employee_id_src,
src_employees.employee_first_name AS employee_first_name,
src_employees.employee_last_name AS employee_last_name,
src_employees.employee_telephone_num AS employee_telephone_num,
ce_position.position_id AS employee_position_id,
source_name AS employee_source,
sysdate AS employee_eff_sop,
'31.12.9999' AS employee_eff_eop
FROM sa_generated_dataset.src_employees
INNER JOIN tab_3NF.ce_position ON src_employees.employee_position_name =
ce_position.position_name
) src
ON (
src.employee_id_src = empl.employee_id_src
)
WHEN NOT MATCHED THEN
INSERT (
empl.employee_id_src,
empl.employee_first_name,
empl.employee_last_name,
empl.employee_telephone_num,
empl.employee_position_id,
empl.employee_source,
empl.employee_eff_sop,
empl.employee_eff_eop
)
VALUES (
src.employee_id_src,
src.employee_first_name,
src.employee_last_name,
src.employee_telephone_num,
src.employee_position_id,
src.employee_source,
src.employee_eff_sop,
src.employee_eff_eop
);
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_employee');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_employee');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_employee');
ROLLBACK;
END ce_employee_load;
PROCEDURE ce_sales_load (source_name IN VARCHAR2) IS
olist_dataset CONSTANT VARCHAR2(100) := 'OLIST_DATASET';
gen_dataset CONSTANT VARCHAR2(100) := 'GENERATED_DATASET';
invalid_dataset EXCEPTION;
BEGIN
IF UPPER(source_name) IN (olist_dataset, gen_dataset)
THEN
INSERT INTO tab_3NF.ce_sales (sale_id_src, product_id, customer_id,
store_id, seller_id, location_id, employee_id,
unit_price, sale_timestamp, sale_source)
SELECT CONCAT(src_order_item.order_id, src_order_item.order_item_id) AS sale_id_src,
ce_product.product_id,
ce_customer.customer_id,
ce_store.store_id,
ce_seller.seller_id,
ce_location.location_id,
ce_employee.employee_id,
TO_NUMBER(regexp_replace(trim(src_order_item.price),'[^0-9.,]',''), '99999.99') AS sale_price,
RTRIM(TO_TIMESTAMP(src_order_item.order_purchase_timestamp, 'DD.MM.YYYY HH24:MI:SS'), ':,0') AS sale_purchase_timestamp,
source_name
FROM sa_olist_dataset.src_order_item
INNER JOIN tab_3NF.ce_product ON regexp_replace(src_order_item.product_id,'[^a-zA-Z0-9]','') = regexp_replace(ce_product.product_id_src,'[^a-zA-Z0-9]','')
INNER JOIN tab_3NF.ce_store ON regexp_replace(src_order_item.store_id,'[^a-zA-Z0-9]','') = regexp_replace(ce_store.store_id_src,'[^a-zA-Z0-9]','')
INNER JOIN tab_3NF.ce_seller ON regexp_replace(src_order_item.seller_id,'[^a-zA-Z0-9]','') = regexp_replace(ce_seller.seller_id_src,'[^a-zA-Z0-9]','')
INNER JOIN tab_3NF.ce_location ON regexp_replace(src_order_item.geolocation_lat,'[^a-zA-Z0-9]','') = regexp_replace(ce_location.location_lat,'[^a-zA-Z0-9]','') AND
regexp_replace(src_order_item.geolocation_lng,'[^a-zA-Z0-9]','') = regexp_replace(ce_location.location_ltd,'[^a-zA-Z0-9]','')
INNER JOIN tab_3NF.ce_employee ON regexp_replace(src_order_item.employee_id,'[^a-zA-Z0-9]','') = regexp_replace(ce_employee.employee_id_src,'[^a-zA-Z0-9]','')
INNER JOIN tab_3NF.ce_customer ON regexp_replace(src_order_item.customer_unique_id,'[^a-zA-Z0-9]','') = regexp_replace(ce_customer.customer_id_src,'[^a-zA-Z0-9]','');
COMMIT;
bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Procedure succesfull', 'tab_3NF.ce_employee');
ELSE
RAISE invalid_dataset;
END IF;
EXCEPTION
WHEN invalid_dataset
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Invalid Dataset', 'tab_3NF.ce_employee');
ROLLBACK;
WHEN OTHERS
THEN bl_cl.logger_procedure(USER, CURRENT_TIMESTAMP, 'Unexpected error', 'tab_3NF.ce_employee');
ROLLBACK;
END ce_sales_load;
END nf3_load_pkg;