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Posted to dev@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2015/09/11 10:07:45 UTC
[jira] [Created] (DRILL-3766) ResultSet.getRow() returns incorrect
row number of current row
Khurram Faraaz created DRILL-3766:
-------------------------------------
Summary: ResultSet.getRow() returns incorrect row number of current row
Key: DRILL-3766
URL: https://issues.apache.org/jira/browse/DRILL-3766
Project: Apache Drill
Issue Type: Bug
Components: Client - JDBC
Affects Versions: 1.2.0
Reporter: Khurram Faraaz
Assignee: Daniel Barclay (Drill)
getRow() function returns incorrect row number for current row. It returns one less than the actual row number. The first row should be row number 1 and second row is row number 2 and so on as per javadoc for getRow()
{code}
String query = "select * from FEWRWSPQQ_101";
ResultSet rs = stmt.executeQuery(query);
ResultSetMetaData rsmd = rs.getMetaData();
while (rs.next()) {
System.out.println(" row Number :"+rs.getRow());
}
{code}
Output of call to getRow() in the while loop.
{code}
row Number :0
row Number :1
row Number :2
row Number :3
row Number :4
row Number :5
row Number :6
row Number :7
row Number :8
row Number :9
row Number :10
row Number :11
row Number :12
row Number :13
row Number :14
row Number :15
row Number :16
row Number :17
row Number :18
row Number :19
row Number :20
row Number :21
{code}
Table has twenty two rows in it.
{code}
0: jdbc:drill:schema=dfs.tmp> select count(*) from FEWRWSPQQ_101;
+---------+
| EXPR$0 |
+---------+
| 22 |
+---------+
1 row selected (0.266 seconds)
{code}
>From javadoc
{code}
int getRow()
throws SQLException
Retrieves the current row number. The first row is number 1, the second number 2, and so on.
Note:Support for the getRow method is optional for ResultSets with a result set type of TYPE_FORWARD_ONLY
Returns:
the current row number; 0 if there is no current row
{code}
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