后台去重数据新增国家

2026-08-23 22:50:58 +08:00
parent 5a750be066
commit 8712df2645
12 changed files with 294 additions and 37 deletions
@@ -0,0 +1,33 @@
+SET @country_col_exists := (
+    SELECT COUNT(*)
+    FROM information_schema.COLUMNS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'biz_dedupe_total_data'
+      AND COLUMN_NAME = 'country'
+);
+
+SET @sql_add_country := IF(
+    @country_col_exists = 0,
+    'ALTER TABLE biz_dedupe_total_data ADD COLUMN country VARCHAR(64) DEFAULT NULL COMMENT ''国家代码，逗号分隔，如 DE,UK'' AFTER data_value',
+    'SELECT 1'
+);
+PREPARE stmt_add_country FROM @sql_add_country;
+EXECUTE stmt_add_country;
+DEALLOCATE PREPARE stmt_add_country;
+
+SET @country_idx_exists := (
+    SELECT COUNT(*)
+    FROM information_schema.STATISTICS
+    WHERE TABLE_SCHEMA = DATABASE()
+      AND TABLE_NAME = 'biz_dedupe_total_data'
+      AND INDEX_NAME = 'idx_country'
+);
+
+SET @sql_add_country_idx := IF(
+    @country_idx_exists = 0,
+    'ALTER TABLE biz_dedupe_total_data ADD INDEX idx_country (country)',
+    'SELECT 1'
+);
+PREPARE stmt_add_country_idx FROM @sql_add_country_idx;
+EXECUTE stmt_add_country_idx;
+DEALLOCATE PREPARE stmt_add_country_idx;