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postgresql array类型,每一项拼接
2022-07-07 11:36:00 【小兜全糖(Cx)】
假如有这种case
字段 test_array_concat是array类型,数据如下
{
2022,2023}
现在想改成
{
2022.xml,2023.xml}
则可以如下
update test set test_array_concat=(select array(select unnest(test_array_concat)||'1.xml' from test where id=294662523385290759)) where voucher_id=294662523385290759;
其中
unnest 会将array展开成行,拼接之后再转换成array即可
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