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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17096) checkAndMutateApi doesn't work correctly on 0.98.19+
Date Tue, 15 Nov 2016 19:12:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-17096:
-----------------------------------
      Resolution: Fixed
        Assignee: Heng Chen
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Local tests all pass, pushed to 0.98

> checkAndMutateApi doesn't work correctly on 0.98.19+
> ----------------------------------------------------
>
>                 Key: HBASE-17096
>                 URL: https://issues.apache.org/jira/browse/HBASE-17096
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Samarth Jain
>            Assignee: Heng Chen
>             Fix For: 0.98.24
>
>         Attachments: HBASE-17096-0.98.patch, HBASE-17096-0.98.v2.patch
>
>
> 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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