The Connector section of the official website reconstructs the C language interface description
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@ -56,7 +56,7 @@ result = taos_query_with_reqid(taos, "USE power", 2L);
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taos_free_result(result);
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// query data
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const char* sql = "SELECT * FROM power.meters";
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const char* sql = "SELECT ts, current, location FROM power.meters limit 1";
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result = taos_query_with_reqid(taos, sql, 3L);
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code = taos_errno(result);
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if (code != 0) {
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