sQyJMdpc

1DROP TABLE if exists d_date;
2
3CREATE TABLE d_date
4(
5  date_dim_id              INT NOT NULL,
6  date_actual              DATE NOT NULL,
7  epoch                    BIGINT NOT NULL,
8  day_suffix               VARCHAR(4) NOT NULL,
9  day_name                 VARCHAR(9) NOT NULL,
10  day_of_week              INT NOT NULL,
11  day_of_month             INT NOT NULL,
12  day_of_quarter           INT NOT NULL,
13  day_of_year              INT NOT NULL,
14  week_of_month            INT NOT NULL,
15  week_of_year             INT NOT NULL,
16  week_of_year_iso         CHAR(10) NOT NULL,
17  month_actual             INT NOT NULL,
18  month_name               VARCHAR(9) NOT NULL,
19  month_name_abbreviated   CHAR(3) NOT NULL,
20  quarter_actual           INT NOT NULL,
21  quarter_name             VARCHAR(9) NOT NULL,
22  year_actual              INT NOT NULL,
23  first_day_of_week        DATE NOT NULL,
24  last_day_of_week         DATE NOT NULL,
25  first_day_of_month       DATE NOT NULL,
26  last_day_of_month        DATE NOT NULL,
27  first_day_of_quarter     DATE NOT NULL,
28  last_day_of_quarter      DATE NOT NULL,
29  first_day_of_year        DATE NOT NULL,
30  last_day_of_year         DATE NOT NULL,
31  mmyyyy                   CHAR(6) NOT NULL,
32  mmddyyyy                 CHAR(10) NOT NULL,
33  weekend_indr             BOOLEAN NOT NULL
34);
35
36ALTER TABLE public.d_date ADD CONSTRAINT d_date_date_dim_id_pk PRIMARY KEY (date_dim_id);
37
38CREATE INDEX d_date_date_actual_idx
39  ON d_date(date_actual);
40
41COMMIT;
42
43INSERT INTO d_date
44SELECT TO_CHAR(datum,'yyyymmdd')::INT AS date_dim_id,
45       datum AS date_actual,
46       EXTRACT(epoch FROM datum) AS epoch,
47       TO_CHAR(datum,'fmDDth') AS day_suffix,
48       TO_CHAR(datum,'Day') AS day_name,
49       EXTRACT(isodow FROM datum) AS day_of_week,
50       EXTRACT(DAY FROM datum) AS day_of_month,
51       datum - DATE_TRUNC('quarter',datum)::DATE +1 AS day_of_quarter,
52       EXTRACT(doy FROM datum) AS day_of_year,
53       TO_CHAR(datum,'W')::INT AS week_of_month,
54       EXTRACT(week FROM datum) AS week_of_year,
55       TO_CHAR(datum,'YYYY"-W"IW-') || EXTRACT(isodow FROM datum) AS week_of_year_iso,
56       EXTRACT(MONTH FROM datum) AS month_actual,
57       TO_CHAR(datum,'Month') AS month_name,
58       TO_CHAR(datum,'Mon') AS month_name_abbreviated,
59       EXTRACT(quarter FROM datum) AS quarter_actual,
60       CASE
61         WHEN EXTRACT(quarter FROM datum) = 1 THEN 'First'
62         WHEN EXTRACT(quarter FROM datum) = 2 THEN 'Second'
63         WHEN EXTRACT(quarter FROM datum) = 3 THEN 'Third'
64         WHEN EXTRACT(quarter FROM datum) = 4 THEN 'Fourth'
65       END AS quarter_name,
66       EXTRACT(isoyear FROM datum) AS year_actual,
67       datum +(1 -EXTRACT(isodow FROM datum))::INT AS first_day_of_week,
68       datum +(7 -EXTRACT(isodow FROM datum))::INT AS last_day_of_week,
69       datum +(1 -EXTRACT(DAY FROM datum))::INT AS first_day_of_month,
70       (DATE_TRUNC('MONTH',datum) +INTERVAL '1 MONTH - 1 day')::DATE AS last_day_of_month,
71       DATE_TRUNC('quarter',datum)::DATE AS first_day_of_quarter,
72       (DATE_TRUNC('quarter',datum) +INTERVAL '3 MONTH - 1 day')::DATE AS last_day_of_quarter,
73       TO_DATE(EXTRACT(isoyear FROM datum) || '-01-01','YYYY-MM-DD') AS first_day_of_year,
74       TO_DATE(EXTRACT(isoyear FROM datum) || '-12-31','YYYY-MM-DD') AS last_day_of_year,
75       TO_CHAR(datum,'mmyyyy') AS mmyyyy,
76       TO_CHAR(datum,'mmddyyyy') AS mmddyyyy,
77       CASE
78         WHEN EXTRACT(isodow FROM datum) IN (6,7) THEN TRUE
79         ELSE FALSE
80       END AS weekend_indr
81FROM (SELECT '1970-01-01'::DATE+ SEQUENCE.DAY AS datum
82      FROM GENERATE_SERIES (0,29219) AS SEQUENCE (DAY)
83      GROUP BY SEQUENCE.DAY) DQ
84ORDER BY 1;
85
86COMMIT;