java - Hive Table is Empty check -
how can check if particular table table empty in hive.i need store boolean value variable in java code.i tried
statement stmt = con.createstatement(); stmt.execute("select count(*) "+tablename); int ct = stmt.getupdatecount(); logger.info("hive table count " +ct); if(ct > 0) return false; else return true; but doesnot seem work. suggestions ?
try this:
statement stmt = con.createstatement(); resultset rs = stmt.executequery("select count(*) "+tablename); int ct = rs.getint(0); logger.info("hive table count " +ct); if(ct > 0) return false; else return true;
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