Examples with InExpression org.apache.carbondata.core.scan.expression.conditional.InExpression used on opensource projects

Example 11 with InExpression

use of org.apache.carbondata.core.scan.expression.conditional.InExpression in project carbondata by apache.

the class FilterUtilTest method testRemoveInExpressionNodeWithPositionIdColumn.

@Test
public void testRemoveInExpressionNodeWithPositionIdColumn() {
    List<Expression> children = new ArrayList<>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
    // create literal expression
    LiteralExpression literalExpression = new LiteralExpression("0/1/0-0_batchno0-0-1517808273200/0", DataTypes.STRING);
    children.add(literalExpression);
    // create list expression
    ListExpression listExpression = new ListExpression(children);
    // create column expression with column name as positionId
    ColumnExpression columnExpression = new ColumnExpression(CarbonCommonConstants.POSITION_ID, DataTypes.STRING);
    // create InExpression as right node
    InExpression inExpression = new InExpression(columnExpression, listExpression);
    // create a dummy true expression as left node
    TrueExpression trueExpression = new TrueExpression(null);
    // create and expression as the root node
    Expression expression = new AndExpression(trueExpression, inExpression);
    // test remove expression method
    FilterUtil.removeInExpressionNodeWithPositionIdColumn(expression);
    // after removing the right node instance of right node should be of true expression
    assert (((AndExpression) expression).getRight() instanceof TrueExpression);
}