小编Aij*_*jaz的帖子

我正在创建一个临时表，并从多个表中获取数据并将数据插入其中。当我尝试从表中取回数据时，出现错误：

[42601] ERROR: query has no destination for result data
Hint: If you want to discard the results of a SELECT, use PERFORM instead.

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do
$$
    DECLARE
        sampleproductId   varchar;
        productIds        text[] := array [
            'abc1',
            'abc2'
            ];
        tId              varchar;
        DECLARE result  jsonb;
        DECLARE resultS jsonb[];
    begin
       CREATE TEMP TABLE IF NOT EXISTS product_temp_mapping
        (
            accountid      int,
            productUID      varchar,
            sampleproductId text
        );
        FOREACH sampleproductId IN ARRAY productIds
            LOOP
                tId := (select id
                        from product.product
                        where uid = sampleproductId);
                INSERT into product_temp_mapping …