Examples of IsNullExpression


Examples of com.salesforce.phoenix.expression.IsNullExpression

            return node.isNegate() ^ value == null ? LiteralExpression.newConstant(false, PDataType.BOOLEAN, child.isDeterministic()) : LiteralExpression.newConstant(true, PDataType.BOOLEAN, child.isDeterministic());
        }
        if (!child.isNullable()) { // If child expression is not nullable, we can rewrite this
            return node.isNegate() ? LiteralExpression.newConstant(true, PDataType.BOOLEAN, child.isDeterministic()) : LiteralExpression.newConstant(false, PDataType.BOOLEAN, child.isDeterministic());
        }
        return new IsNullExpression(child, node.isNegate());
    }
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Examples of net.sf.jsqlparser.expression.operators.relational.IsNullExpression

                {if (true) return result;}
    throw new Error("Missing return statement in function");
  }

  final public Expression IsNullExpression() throws ParseException {
        IsNullExpression result = new IsNullExpression();
        Expression leftExpression = null;
    leftExpression = SimpleExpression();
    jj_consume_token(K_IS);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case K_NOT:
      jj_consume_token(K_NOT);
                      result.setNot(true);
      break;
    default:
      jj_la1[94] = jj_gen;
      ;
    }
    jj_consume_token(K_NULL);
                result.setLeftExpression(leftExpression);
                {if (true) return result;}
    throw new Error("Missing return statement in function");
  }
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Examples of net.sf.jsqlparser.expression.operators.relational.IsNullExpression

        qualified.setItemsList(itemsList);
        this._qualifiedExpression = qualified;
    }

    public void visit(IsNullExpression isNullExpression) {
        IsNullExpression qualified = new IsNullExpression();
        Expression left = qualify(session, tableAliases, isNullExpression.getLeftExpression());

        qualified.setLeftExpression(left);
        qualified.setNot(isNullExpression.isNot());
        this._qualifiedExpression = qualified;
    }
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Examples of org.apache.phoenix.expression.IsNullExpression

            return node.isNegate() ^ value == null ? LiteralExpression.FALSE_EXPRESSION : LiteralExpression.TRUE_EXPRESSION;
        }
        if (!child.isNullable()) { // If child expression is not nullable, we can rewrite this
            return node.isNegate() ? LiteralExpression.TRUE_EXPRESSION : LiteralExpression.FALSE_EXPRESSION;
        }
        return new IsNullExpression(child, node.isNegate());
    }
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Examples of org.apache.pig.experimental.logical.expression.IsNullExpression

       
        assertEquals( 1, filPlan.getSources().size() );
        assertEquals( 2, filPlan.size() );
        assertEquals( 1, filPlan.getSinks().size() );
        assertEquals( IsNullExpression.class, filPlan.getSources().get(0).getClass() );
        IsNullExpression isNull = (IsNullExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != isNull.getUid() );
        assertTrue( ls.getField(1).uid != isNull.getUid() );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
        assertEquals( ls.getField(0).uid, prj.getUid() );
    }
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Examples of org.apache.pig.experimental.logical.expression.IsNullExpression

        assertEquals( NotExpression.class, filPlan.getSources().get(0).getClass() );
        NotExpression notExp = (NotExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != notExp.getUid() );
        assertTrue( ls.getField(1).uid != notExp.getUid() );
        assertEquals( IsNullExpression.class, notExp.getExpression().getClass() );
        IsNullExpression isNull = (IsNullExpression)notExp.getExpression();
        assertTrue( ls.getField(0).uid != isNull.getUid() );
        assertTrue( ls.getField(1).uid != isNull.getUid() );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
        assertEquals( ls.getField(0).uid, prj.getUid() );
    }
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Examples of org.apache.pig.experimental.logical.expression.IsNullExpression

            exprOpsMap.put(uniOp, not);
        }

        public void visit(LOIsNull uniOp) throws VisitorException {
            ExpressionOperator exp = uniOp.getOperand();
            IsNullExpression isNull = new IsNullExpression(exprPlan, DataType.BOOLEAN, exprOpsMap.get(exp));
            exprOpsMap.put(uniOp, isNull);
        }
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Examples of org.apache.pig.newplan.logical.expression.IsNullExpression

        exprOpsMap.put(uniOp, not);
    }

    public void visit(LOIsNull uniOp) throws VisitorException {
        ExpressionOperator exp = uniOp.getOperand();
        IsNullExpression isNull = new IsNullExpression(exprPlan, exprOpsMap.get(exp));
        exprOpsMap.put(uniOp, isNull);
    }
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Examples of org.apache.pig.newplan.logical.expression.IsNullExpression

       
        assertEquals( 1, filPlan.getSources().size() );
        assertEquals( 2, filPlan.size() );
        assertEquals( 1, filPlan.getSinks().size() );
        assertEquals( IsNullExpression.class, filPlan.getSources().get(0).getClass() );
        IsNullExpression isNull = (IsNullExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != isNull.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != isNull.getFieldSchema().uid );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
        assertEquals( ls.getField(0).uid, prj.getFieldSchema().uid );
    }
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Examples of org.apache.pig.newplan.logical.expression.IsNullExpression

        assertEquals( NotExpression.class, filPlan.getSources().get(0).getClass() );
        NotExpression notExp = (NotExpression)filPlan.getSources().get(0);
        assertTrue( ls.getField(0).uid != notExp.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != notExp.getFieldSchema().uid );
        assertEquals( IsNullExpression.class, notExp.getExpression().getClass() );
        IsNullExpression isNull = (IsNullExpression)notExp.getExpression();
        assertTrue( ls.getField(0).uid != isNull.getFieldSchema().uid );
        assertTrue( ls.getField(1).uid != isNull.getFieldSchema().uid );
       
        assertEquals( ProjectExpression.class, isNull.getExpression().getClass() );
        ProjectExpression prj = (ProjectExpression) isNull.getExpression();
        assertEquals( ls.getField(0).uid, prj.getFieldSchema().uid );
    }
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