字段逗号分隔_内存溢出

mysql

MySQL将一个字段中以逗号分隔的取出来形成新的字段实现

1例如：要把如图1的字段拆分图2select account_id,substring_index(substring_index(a.related_shop_ids,',',b.help_topic_id+1),&#

code
2022-5-14
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Error[2]: array_keys() expects parameter 1 to be array, null given, File: /www/wwwroot/outofmemory.cn/tmp/view_template_wqo_wpcom_htm_tag.htm, Line: 137

File: /www/wwwroot/outofmemory.cn/tmp/view_template_wqo_wpcom_htm_tag.htm, Line: 137, array_keys()
File: /www/wwwroot/outofmemory.cn/tmp/route_tag.php, Line: 115, include(/www/wwwroot/outofmemory.cn/tmp/view_template_wqo_wpcom_htm_tag.htm)
File: /www/wwwroot/outofmemory.cn/tmp/index.inc.php, Line: 174, include(/www/wwwroot/outofmemory.cn/tmp/route_tag.php)
File: /www/wwwroot/outofmemory.cn/index.php, Line: 30, include(/www/wwwroot/outofmemory.cn/tmp/index.inc.php)

MySQL将一个字段中以逗号分隔的取出来形成新的字段实现