SET NAMES utf8mb4;

DELETE FROM ccdi_bank_statement
WHERE project_id IS NULL
   OR LE_ACCOUNT_NO IS NULL
   OR ACCOUNTING_DATE_ID IS NULL;

UPDATE ccdi_bank_statement
SET LE_ACCOUNT_NO = TRIM(LE_ACCOUNT_NO);

DELETE t1
FROM ccdi_bank_statement t1
JOIN ccdi_bank_statement t2
  ON t1.bank_statement_id > t2.bank_statement_id
 AND t1.project_id = t2.project_id
 AND t1.LE_ACCOUNT_NO = t2.LE_ACCOUNT_NO
 AND t1.ACCOUNTING_DATE_ID = t2.ACCOUNTING_DATE_ID
 AND t1.AMOUNT_DR = t2.AMOUNT_DR
 AND t1.AMOUNT_CR = t2.AMOUNT_CR;

ALTER TABLE ccdi_bank_statement
    MODIFY COLUMN project_id bigint(20) NOT NULL COMMENT '关联项目ID',
    MODIFY COLUMN LE_ACCOUNT_NO varchar(240) NOT NULL DEFAULT '' COMMENT '企业银行账号',
    MODIFY COLUMN ACCOUNTING_DATE_ID int(11) NOT NULL COMMENT '账号日期ID';

ALTER TABLE ccdi_bank_statement
    ADD UNIQUE KEY uk_bank_statement_dedup (
        project_id,
        LE_ACCOUNT_NO,
        ACCOUNTING_DATE_ID,
        AMOUNT_DR,
        AMOUNT_CR
    );