Package org.apache.pig.impl.logicalLayer

Examples of org.apache.pig.impl.logicalLayer.LOCast

166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p,
                                        OperatorKey.genOpKey(scope), fs.type);
                            cast.setFieldSchema(fs);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
587
588
589
590
591
592
593
594
595
596
597
                List<LogicalOperator> successors = plan.getSuccessors(project);
                // If there are LOCast(s) in the middle (can only be cast to map, otherwise, there will not be maplookup below)
                // it is fine, we can ignore LOCast and continue to look for LOMapLookup
                while (successors!=null && successors.size()==1 && successors.get(0) instanceof LOCast)
                {
                    LOCast cast = (LOCast)successors.get(0);
                    successors = plan.getSuccessors(cast);
                }
                if (successors!=null && successors.size()==1 && successors.get(0) instanceof LOMapLookup)
                {
                    LOMapLookup loMapLookup = (LOMapLookup)successors.get(0);
View Full Code Here
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p,
                                        OperatorKey.genOpKey(scope), fs.type);
                            cast.setFieldSchema(fs);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p,
                                        OperatorKey.genOpKey(scope), fs.type);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
545
546
547
548
549
550
551
552
553
554
555
                List<LogicalOperator> successors = plan.getSuccessors(project);
                // If there are LOCast(s) in the middle (can only be cast to map, otherwise, there will not be maplookup below)
                // it is fine, we can ignore LOCast and continue to look for LOMapLookup
                while (successors!=null && successors.size()==1 && successors.get(0) instanceof LOCast)
                {
                    LOCast cast = (LOCast)successors.get(0);
                    successors = plan.getSuccessors(cast);
                }
                if (successors!=null && successors.size()==1 && successors.get(0) instanceof LOMapLookup)
                {
                    LOMapLookup loMapLookup = (LOMapLookup)successors.get(0);
View Full Code Here
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p,
                                        OperatorKey.genOpKey(scope), fs.type);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p, OperatorKey.genOpKey(scope),
                                proj, fs.type);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
                if (fs.type != DataType.BYTEARRAY) {
                    if(determinedSchema == null || (fs.type != determinedSchema.getField(i).type)) {
                            // Either no schema was determined by loader OR the type
                            // from the "determinedSchema" is different
                            // from the type specified - so we need to cast
                            LOCast cast = new LOCast(p,
                                        OperatorKey.genOpKey(scope), fs.type);
                            p.add(cast);
                            p.connect(proj, cast);
                           
                            cast.setFieldSchema(fs.clone());
                            FuncSpec loadFuncSpec = null;
                            if(lo instanceof LOLoad) {
                                loadFuncSpec = ((LOLoad)lo).getInputFile().getFuncSpec();
                            } else if (lo instanceof LOStream) {
                                StreamingCommand command = ((LOStream)lo).getStreamingCommand();
                                HandleSpec streamOutputSpec = command.getOutputSpec();
                                loadFuncSpec = new FuncSpec(streamOutputSpec.getSpec());
                            } else {
                                int errCode = 2006;
                                String msg = "TypeCastInserter invoked with an invalid operator class name: " + lo.getClass().getSimpleName();
                                throw new OptimizerException(msg, errCode, PigException.BUG);
                            }
                            cast.setLoadFuncSpec(loadFuncSpec);
                            typeChanges.put(fs.canonicalName, fs.type);
                            if(determinedSchema == null) {
                                // Reset the loads field schema to byte array so that it
                                // will reflect reality.
                                fs.type = DataType.BYTEARRAY;
View Full Code Here
TOP

Related Classes of org.apache.pig.impl.logicalLayer.LOCast

  • org.apache.pig.impl.logicalLayer.optimizer.PruneColumns
  • org.apache.pig.impl.logicalLayer.optimizer.TypeCastInserter
  • org.apache.pig.impl.logicalLayer.schema.Schema.FieldSchema
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.