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From "Samarth Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17096) checkAndMutateApi doesn't work correctly on 0.98.23
Date Tue, 15 Nov 2016 04:58:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15666087#comment-15666087
] 

Samarth Jain commented on HBASE-17096:
--------------------------------------

If it helps, the test fails starting with HBase 0.98.19. I will update the title accordingly.

> checkAndMutateApi doesn't work correctly on 0.98.23
> ---------------------------------------------------
>
>                 Key: HBASE-17096
>                 URL: https://issues.apache.org/jira/browse/HBASE-17096
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Samarth Jain
>
> Below is the test case. It uses some Phoenix APIs for getting hold of admin and HConnection
but should be easily adopted for an HBase IT test. The second checkAndMutate should return
false but it is returning true. This test fails with HBase-0.98.23 and works fine with HBase-0.98.17
> {code}
> @Test
>     public void testCheckAndMutateApi() throws Exception {
>         byte[] row = Bytes.toBytes("ROW");
>         byte[] tableNameBytes = Bytes.toBytes(generateUniqueName());
>         byte[] family = Bytes.toBytes(generateUniqueName());
>         byte[] qualifier = Bytes.toBytes("QUALIFIER");
>         byte[] oldValue = null;
>         byte[] newValue = Bytes.toBytes("VALUE");
>         Put put = new Put(row);
>         put.add(family, qualifier, newValue);
>         try (Connection conn = DriverManager.getConnection(getUrl())) {
>             PhoenixConnection phxConn = conn.unwrap(PhoenixConnection.class);
>             try (HBaseAdmin admin = phxConn.getQueryServices().getAdmin()) {
>                 HTableDescriptor tableDesc = new HTableDescriptor(
>                         TableName.valueOf(tableNameBytes));
>                 HColumnDescriptor columnDesc = new HColumnDescriptor(family);
>                 columnDesc.setTimeToLive(120);
>                 tableDesc.addFamily(columnDesc);
>                 admin.createTable(tableDesc);
>                 HTableInterface tableDescriptor = admin.getConnection().getTable(tableNameBytes);
>                 assertTrue(tableDescriptor.checkAndPut(row, family, qualifier, oldValue,
put));
>                 Delete delete = new Delete(row);
>                 RowMutations mutations = new RowMutations(row);
>                 mutations.add(delete);
>                 assertTrue(tableDescriptor.checkAndMutate(row, family, qualifier, CompareOp.EQUAL,
newValue, mutations));
>                 assertFalse(tableDescriptor.checkAndMutate(row, family, qualifier, CompareOp.EQUAL,
newValue, mutations));
>             }
>         }
>     }
> {code}
> FYI, [~apurtell], [~jamestaylor], [~lhofhansl]. 



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