93 lines
3.5 KiB
SQL
93 lines
3.5 KiB
SQL
-- A5M2で実行時にSQL区切り文字を「;」以外にすること
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-- $$から始まり$$で終わる文字は後からREPLACEする文字を示す独自ルール
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-- crm_historyストアドプロシージャは、同一セッション内での並列処理を実行することができない
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CREATE PROCEDURE crm_history(target_table VARCHAR(255), target_column VARCHAR(255))
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BEGIN
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-- 例外処理
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-- エラーが発生した場合に一時テーブルの削除を実施
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DECLARE EXIT HANDLER FOR SQLEXCEPTION
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BEGIN
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GET DIAGNOSTICS CONDITION 1
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@error_state = RETURNED_SQLSTATE, @error_msg = MESSAGE_TEXT;
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EXECUTE drop_tmp_table_stmt;
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DEALLOCATE PREPARE drop_tmp_table_stmt;
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ROLLBACK;
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SIGNAL SQLSTATE '45000'
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SET MYSQL_ERRNO = @error_state, MESSAGE_TEXT = @error_msg;
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END;
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SET @error_state = NULL, @error_msg = NULL;
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START TRANSACTION;
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-- ②-3で利用する一時テーブル削除のSQLを準備
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-- 例外処理でも利用するため先に記述
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SET @drop_tmp_table = '
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DROP TEMPORARY TABLE IF EXISTS $$target_table$$_make_history_tmp
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';
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SET @drop_tmp_table = REPLACE(@drop_tmp_table, "$$target_table$$", target_table);
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PREPARE drop_tmp_table_stmt from @drop_tmp_table;
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-- ①-1 Salesforce側で更新されたデータの適用開始日時と適用終了日時を設定する
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SET @new_history_save = '
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UPDATE $$target_table$$
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SET
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start_datetime = $$target_column$$
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, end_datetime = "9999-12-31 00:00:00"
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, upd_user = CURRENT_USER()
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, upd_date = CURRENT_TIMESTAMP()
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WHERE
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start_datetime IS NULL
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AND end_datetime IS NULL
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';
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SET @new_history_save = REPLACE(@new_history_save, "$$target_table$$", target_table);
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SET @new_history_save = REPLACE(@new_history_save, "$$target_column$$", target_column);
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PREPARE new_history_save_stmt from @new_history_save;
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EXECUTE new_history_save_stmt;
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DEALLOCATE PREPARE new_history_save_stmt;
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-- ②-1 Salesforce側で更新されたデータを検出用一時テーブルの作成
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SET @make_history_tmp_create = '
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CREATE TEMPORARY TABLE $$target_table$$_make_history_tmp
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SELECT
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id
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, MIN($$target_column$$) AS min_start_datetime
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, MAX(start_datetime) AS max_start_datetime
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FROM
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$$target_table$$
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WHERE
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end_datetime = "9999-12-31 00:00:00"
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GROUP BY
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id
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HAVING
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count(id) = 2
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';
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SET @make_history_tmp_create = REPLACE(@make_history_tmp_create, "$$target_table$$", target_table);
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SET @make_history_tmp_create = REPLACE(@make_history_tmp_create, "$$target_column$$", target_column);
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PREPARE make_history_tmp_create_stmt from @make_history_tmp_create;
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EXECUTE make_history_tmp_create_stmt;
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DEALLOCATE PREPARE make_history_tmp_create_stmt;
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-- ②-2 「②-1」で取得した全件に更新処理を行う
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SET @update_end_datetime = '
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UPDATE $$target_table$$ tt
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INNER JOIN $$target_table$$_make_history_tmp mht
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ON tt.id = mht.id
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AND tt.start_datetime = mht.min_start_datetime
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SET
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end_datetime = mht.max_start_datetime - INTERVAL 1 SECOND
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, upd_user = CURRENT_USER()
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, upd_date = CURRENT_TIMESTAMP()
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';
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SET @update_end_datetime = REPLACE(@update_end_datetime, "$$target_table$$", target_table);
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SET @update_end_datetime = REPLACE(@update_end_datetime, "$$target_column$$", target_column);
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PREPARE update_end_datetime_stmt from @update_end_datetime;
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EXECUTE update_end_datetime_stmt;
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DEALLOCATE PREPARE update_end_datetime_stmt;
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-- ②-3 「②-1」で作成した一時テーブルを削除する
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EXECUTE drop_tmp_table_stmt;
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DEALLOCATE PREPARE drop_tmp_table_stmt;
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COMMIT;
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END |