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我需要完成我的查詢,添加表testcsv2
不存在臨時表tmp_x
行:導入CSV文件(重複行)
CREATE TEMP TABLE tmp_x AS SELECT * FROM testcsv2 LIMIT 0;
COPY tmp_x FROM 'D:\water_utility2.csv' (FORMAT csv);
UPDATE testcsv2
SET record = tmp_x.record, "Battery Voltage" = tmp_x."Battery Voltage"
FROM tmp_x
WHERE testcsv2.timestamp = tmp_x.timestamp;
DROP TABLE tmp_x;
你能幫助我嗎?
更新:
TABLE testcsv2
(TIMESTAMP timestamp, RECORD double precision, "Battery Voltage" double precision);
表tmp_x
是相同的列。與綜合類填充從CSV:
2009-12-31 23:00:00,112086,13.56197
2009-12-31 23:15:00,102087,23.56113
2009-12-31 23:30:00,102088,13.56449
2010-01-01 23:45:00,102089,13.57373
錯誤代碼0,SQL狀態42601:ERROR:INSERT比 –
你必須映射列目標列更多的表情。如果你要我這樣做,請更新OP表格結構 –
更新了問題 –