Package org.apache.tajo.catalog

Examples of org.apache.tajo.catalog.Schema.addColumn()

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  }

  @Test
  public void testProjection() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("id", Type.INT4);
    schema.addColumn("age", Type.INT8);
    schema.addColumn("score", Type.FLOAT4);

    TableMeta meta = CatalogUtil.newTableMeta(schema, storeType);
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  @Test
  public void testProjection() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("id", Type.INT4);
    schema.addColumn("age", Type.INT8);
    schema.addColumn("score", Type.FLOAT4);

    TableMeta meta = CatalogUtil.newTableMeta(schema, storeType);

    Path tablePath = new Path(testDir, "testProjection.data");
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  @Test
  public void testProjection() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("id", Type.INT4);
    schema.addColumn("age", Type.INT8);
    schema.addColumn("score", Type.FLOAT4);

    TableMeta meta = CatalogUtil.newTableMeta(schema, storeType);

    Path tablePath = new Path(testDir, "testProjection.data");
    Appender appender = StorageManagerFactory.getStorageManager(conf).getAppender(meta, tablePath);
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    FileStatus status = fs.getFileStatus(tablePath);
    Fragment fragment = new Fragment("testReadAndWrite", tablePath, meta, 0, status.getLen());

    Schema target = new Schema();
    target.addColumn("age", Type.INT8);
    target.addColumn("score", Type.FLOAT4);
    Scanner scanner = StorageManagerFactory.getStorageManager(conf).getScanner(meta, fragment, target);
    scanner.init();
    int tupleCnt = 0;
    Tuple tuple;
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    FileStatus status = fs.getFileStatus(tablePath);
    Fragment fragment = new Fragment("testReadAndWrite", tablePath, meta, 0, status.getLen());

    Schema target = new Schema();
    target.addColumn("age", Type.INT8);
    target.addColumn("score", Type.FLOAT4);
    Scanner scanner = StorageManagerFactory.getStorageManager(conf).getScanner(meta, fragment, target);
    scanner.init();
    int tupleCnt = 0;
    Tuple tuple;
    while ((tuple = scanner.next()) != null) {
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  }

  @Test
  public void testVariousTypes() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("col1", Type.BOOLEAN);
    schema.addColumn("col2", Type.BIT);
    schema.addColumn("col3", Type.CHAR, 7);
    schema.addColumn("col4", Type.INT2);
    schema.addColumn("col5", Type.INT4);
    schema.addColumn("col6", Type.INT8);
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  @Test
  public void testVariousTypes() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("col1", Type.BOOLEAN);
    schema.addColumn("col2", Type.BIT);
    schema.addColumn("col3", Type.CHAR, 7);
    schema.addColumn("col4", Type.INT2);
    schema.addColumn("col5", Type.INT4);
    schema.addColumn("col6", Type.INT8);
    schema.addColumn("col7", Type.FLOAT4);
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  @Test
  public void testVariousTypes() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("col1", Type.BOOLEAN);
    schema.addColumn("col2", Type.BIT);
    schema.addColumn("col3", Type.CHAR, 7);
    schema.addColumn("col4", Type.INT2);
    schema.addColumn("col5", Type.INT4);
    schema.addColumn("col6", Type.INT8);
    schema.addColumn("col7", Type.FLOAT4);
    schema.addColumn("col8", Type.FLOAT8);
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  public void testVariousTypes() throws IOException {
    Schema schema = new Schema();
    schema.addColumn("col1", Type.BOOLEAN);
    schema.addColumn("col2", Type.BIT);
    schema.addColumn("col3", Type.CHAR, 7);
    schema.addColumn("col4", Type.INT2);
    schema.addColumn("col5", Type.INT4);
    schema.addColumn("col6", Type.INT8);
    schema.addColumn("col7", Type.FLOAT4);
    schema.addColumn("col8", Type.FLOAT8);
    schema.addColumn("col9", Type.TEXT);
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    Schema schema = new Schema();
    schema.addColumn("col1", Type.BOOLEAN);
    schema.addColumn("col2", Type.BIT);
    schema.addColumn("col3", Type.CHAR, 7);
    schema.addColumn("col4", Type.INT2);
    schema.addColumn("col5", Type.INT4);
    schema.addColumn("col6", Type.INT8);
    schema.addColumn("col7", Type.FLOAT4);
    schema.addColumn("col8", Type.FLOAT8);
    schema.addColumn("col9", Type.TEXT);
    schema.addColumn("col10", Type.BLOB);
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