65 lines
1.9 KiB
SQL
65 lines
1.9 KiB
SQL
-- ----------------------------
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-- 发票表结构更新脚本 (Oracle)
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-- 说明：此脚本用于为发票表添加发票号码、结算关联和税率字段
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-- 请根据实际情况谨慎执行，建议先备份数据
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-- ----------------------------
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-- ----------------------------
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-- 第一步：备份原有数据（可选，建议执行）
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-- ----------------------------
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-- create table biz_invoice_backup as select * from biz_invoice;
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-- ----------------------------
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-- 第二步：添加发票号码字段
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-- ----------------------------
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declare
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v_column_exists number;
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begin
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select count(*) into v_column_exists
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from user_tab_columns
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where table_name = 'BIZ_INVOICE'
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and column_name = 'INVOICE_NO';
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if v_column_exists = 0 then
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execute immediate 'alter table BIZ_INVOICE add INVOICE_NO varchar2(100)';
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execute immediate 'comment on column BIZ_INVOICE.INVOICE_NO is ''发票号码''';
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end if;
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end;
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/
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-- ----------------------------
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-- 第三步：添加结算关联字段
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-- ----------------------------
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declare
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v_column_exists number;
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begin
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select count(*) into v_column_exists
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from user_tab_columns
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where table_name = 'BIZ_INVOICE'
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and column_name = 'SETTLEMENT_ID';
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if v_column_exists = 0 then
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execute immediate 'alter table BIZ_INVOICE add SETTLEMENT_ID number(20)';
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execute immediate 'comment on column BIZ_INVOICE.SETTLEMENT_ID is ''结算ID''';
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end if;
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end;
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/
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-- ----------------------------
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-- 第四步：添加税率字段
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-- ----------------------------
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declare
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v_column_exists number;
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begin
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select count(*) into v_column_exists
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from user_tab_columns
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where table_name = 'BIZ_INVOICE'
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and column_name = 'TAX_RATE';
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if v_column_exists = 0 then
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execute immediate 'alter table BIZ_INVOICE add TAX_RATE varchar2(10)';
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execute immediate 'comment on column BIZ_INVOICE.TAX_RATE is ''税率(1:6%+2% 2:10%+2% 3:13%+2%)''';
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end if;
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end;
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/
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