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https://issues.apache.org/jira/browse/PHOENIX-1096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17749496#comment-17749496
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ASF GitHub Bot commented on PHOENIX-1096:
-----------------------------------------
stoty commented on PR #4:
URL: https://github.com/apache/phoenix/pull/4#issuecomment-1659688151
This has been merged a long time ago.
> Duplicate sequence values returned when doing upsert select against a salted
> table.
> -----------------------------------------------------------------------------------
>
> Key: PHOENIX-1096
> URL: https://issues.apache.org/jira/browse/PHOENIX-1096
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 3.0.0, 4.0.0
> Reporter: Samarth Jain
> Assignee: Jan Fernando
> Priority: Major
> Fix For: 3.1.0, 4.1.0
>
> Attachments: PHOENIX-1096.patch
>
>
> {code}
> @Test
> public void testUpsertSelectWithSequenceAndLargeDataSet() throws
> Exception {
> long ts = nextTimestamp();
> Properties props = new Properties();
> //props.setProperty(QueryServices.THREAD_POOL_SIZE_ATTRIB,
> Integer.toString(64));
> props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB,
> Long.toString(ts));
> Connection conn = DriverManager.getConnection(getUrl(), props);
> String ddl = "CREATE TABLE IF NOT EXISTS DUMMY_CURSOR_STORAGE ("
> + "ORGANIZATION_ID CHAR(15) NOT NULL, QUERY_ID CHAR(15) NOT NULL,
> CURSOR_ORDER BIGINT NOT NULL "
> + "CONSTRAINT MAIN_PK PRIMARY KEY (ORGANIZATION_ID, QUERY_ID,
> CURSOR_ORDER) "
> + ") SALT_BUCKETS = 64";
> conn.createStatement().execute(ddl);
> conn.createStatement().execute("CREATE TABLE DUMMY_SEQ_TEST_DATA
> (ORGANIZATION_ID CHAR(15) NOT NULL, k1 integer not null, v1 integer not null
> CONSTRAINT PK PRIMARY KEY (ORGANIZATION_ID, k1, v1) ) VERSIONS=1,
> SALT_BUCKETS=64");
> conn.createStatement().execute("create sequence s cache " +
> Long.MAX_VALUE);
> conn.close();
> props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts
> + 10));
> conn = DriverManager.getConnection(getUrl(), props);
> for (int i = 0; i < 500000; i++) {
> conn.createStatement().execute("upsert into DUMMY_SEQ_TEST_DATA
> values ('00Dxx0000001gEH'," + i + "," + i + ")");
> }
> conn.commit();
> props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts
> + 15));
> conn = DriverManager.getConnection(getUrl(), props);
> conn.setAutoCommit(true);
> conn.createStatement().execute("upsert into DUMMY_CURSOR_STORAGE
> select ORGANIZATION_ID, 'MyQueryId', next value for s FROM
> DUMMY_SEQ_TEST_DATA");
> //conn.commit();
> props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts
> + 20));
> conn = DriverManager.getConnection(getUrl(), props);
> ResultSet rs = conn.createStatement().executeQuery("select count(*)
> from DUMMY_CURSOR_STORAGE");
>
> assertTrue(rs.next());
> assertEquals(500000, rs.getLong(1));
> conn.close();
> props.setProperty(PhoenixRuntime.CURRENT_SCN_ATTRIB, Long.toString(ts
> + 25));
> ResultSet rs2 = conn.createStatement().executeQuery("select
> cursor_order from DUMMY_CURSOR_STORAGE");
> long seq = 1;
> while (rs2.next()) {
> assertEquals(seq, rs2.getLong(1));
> seq++;
> }
> conn.close();
>
> }
> {code}
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