Examples of org.apache.phoenix.jdbc.PhoenixStatement$ExecutableDropIndexStatement

org.apache.phoenix.jdbc.PhoenixStatement
JDBC Statement implementation of Phoenix. Currently only the following methods are supported: - {@link #executeQuery(String)}- {@link #executeUpdate(String)}- {@link #execute(String)}- {@link #getResultSet()}- {@link #getUpdateCount()}- {@link #close()}The Statement only supports the following options: - ResultSet.FETCH_FORWARD - ResultSet.TYPE_FORWARD_ONLY - ResultSet.CLOSE_CURSORS_AT_COMMIT @since 0.1

    @Test
    public void testChooseTableForDynCols() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t(v3 VARCHAR) WHERE v1 = 'bar'");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseTableForSelectionStar() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT * FROM t WHERE v1 = 'bar'");
        // Choose T because v2 is not in index
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseIndexEvenWithSelectionStar() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1) INCLUDE (v2)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT * FROM t WHERE v1 = 'bar'");
        assertEquals("IDX", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseIndexFromOrderBy() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1 LIMIT 5");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseIndexFromOrderByDesc() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1, k DESC LIMIT 5");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseTableFromOrderByAsc() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1, k LIMIT 5");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    @Test
    public void testChooseIndexFromOrderByAsc() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY DESC, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx ON t(v1, k)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE k = 30 ORDER BY v1, k LIMIT 5");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    public void testChooseIndexWithLongestRowKey() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
        conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
        assertEquals("IDX2", plan.getTableRef().getTable().getTableName().getString());
    }

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    public void testIgnoreIndexesBasedOnHint() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
        conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT /*+NO_INDEX*/ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
        assertEquals("T", plan.getTableRef().getTable().getTableName().getString());
    }

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    public void testChooseIndexFromHint() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        conn.createStatement().execute("CREATE TABLE t (k INTEGER NOT NULL PRIMARY KEY, v1 VARCHAR, v2 VARCHAR) IMMUTABLE_ROWS=true");
        conn.createStatement().execute("CREATE INDEX idx1 ON t(v1) INCLUDE(v2)");
        conn.createStatement().execute("CREATE INDEX idx2 ON t(v1,v2)");
        PhoenixStatement stmt = conn.createStatement().unwrap(PhoenixStatement.class);
        QueryPlan plan = stmt.optimizeQuery("SELECT /*+ INDEX(t  idx1) */ k FROM t WHERE v1 = 'foo' AND v2 = 'bar'");
        assertEquals("IDX1", plan.getTableRef().getTable().getTableName().getString());
    }

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