Nifi init

nifi/sql/extract/01_dim_date.sql

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+-- Generates one row per calendar date covering the full EWC 2025 event window.
+-- Run on MySQL source DB.
+WITH RECURSIVE dates AS (
+    SELECT DATE('2025-07-08') AS d
+    UNION ALL
+    SELECT DATE_ADD(d, INTERVAL 1 DAY) FROM dates WHERE d < '2025-08-24'
+)
+SELECT
+    CAST(DATE_FORMAT(d, '%Y%m%d') AS UNSIGNED)  AS date_key,
+    d                                            AS full_date,
+    YEAR(d)                                      AS year,
+    QUARTER(d)                                   AS quarter,
+    MONTH(d)                                     AS month,
+    MONTHNAME(d)                                 AS month_name,
+    WEEK(d, 1)                                   AS week_number,
+    DAYOFMONTH(d)                                AS day_of_month,
+    DAYNAME(d)                                   AS day_name
+FROM dates;