54 lines
2.5 KiB
SQL
54 lines
2.5 KiB
SQL
SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;
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SET time_zone = '+00:00';
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-- 工资政策是小型配置表；迁移只回填政策行并创建周期索引，不扫描用户、工资进度或钱包流水。
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SET @ddl := IF(
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(SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'admin_host_agency_salary_policies' AND COLUMN_NAME = 'cycle_key') = 0,
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'ALTER TABLE admin_host_agency_salary_policies ADD COLUMN cycle_key VARCHAR(7) NOT NULL DEFAULT '''' COMMENT ''政策归属工资周期，UTC yyyy-MM'' AFTER region_id, ALGORITHM=INPLACE, LOCK=NONE',
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'SELECT 1'
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET @ddl := IF(
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(SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'admin_host_agency_salary_policies' AND COLUMN_NAME = 'policy_version') = 0,
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'ALTER TABLE admin_host_agency_salary_policies ADD COLUMN policy_version BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT ''不可变政策版本，等于政策 ID'' AFTER cycle_key, ALGORITHM=INPLACE, LOCK=NONE',
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'SELECT 1'
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- 老记录优先按原有效期起点归档；没有起点时依次使用发布时间、创建时间，全部按 UTC 计算。
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UPDATE admin_host_agency_salary_policies
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SET cycle_key = DATE_FORMAT(FROM_UNIXTIME(
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COALESCE(NULLIF(effective_from_ms, 0), NULLIF(published_at_ms, 0), created_at_ms) / 1000
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), '%Y-%m'),
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policy_version = id
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WHERE cycle_key = '' OR policy_version = 0;
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SET @ddl := IF(
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(SELECT COUNT(*) FROM information_schema.STATISTICS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'admin_host_agency_salary_policies'
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AND INDEX_NAME = 'uk_admin_host_agency_salary_policy_version') = 0,
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'ALTER TABLE admin_host_agency_salary_policies ADD UNIQUE INDEX uk_admin_host_agency_salary_policy_version (app_code, region_id, cycle_key, policy_version), ALGORITHM=INPLACE, LOCK=NONE',
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'SELECT 1'
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET @ddl := IF(
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(SELECT COUNT(*) FROM information_schema.STATISTICS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'admin_host_agency_salary_policies'
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AND INDEX_NAME = 'idx_admin_host_agency_salary_policy_cycle') = 0,
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'ALTER TABLE admin_host_agency_salary_policies ADD INDEX idx_admin_host_agency_salary_policy_cycle (app_code, region_id, cycle_key, status), ALGORITHM=INPLACE, LOCK=NONE',
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'SELECT 1'
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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