Examples of org.eigenbase.rex.RexProgramBuilder.addCondition()

          {
          // Build a program that has a condition (a possibly complex expression)
          // but projects all inputs.
          final RexProgramBuilder builder = new RexProgramBuilder( previous.getOutputRowType(), rexBuilder );
          builder.addIdentity();
          builder.addCondition( program.gatherExpr( program.getCondition() ) );
          previous = builder.getProgram();
          list.add( Pair.of( Op.FILTER, previous ) );


          // Remove condition from the remaining program.
          final RexProgramBuilder builder2 = RexProgramBuilder.forProgram( program, rexBuilder, false );

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