Package org.apache.pig.impl.plan.optimizer

Examples of org.apache.pig.impl.plan.optimizer.RuleOperator

89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));

       
        // this one is ordered to be before other optimizations since  later
        // optimizations may move the LOFilter that is looks for just after a
        // LOLoad
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new PartitionFilterOptimizer(plan), "LoadPartitionFilterOptimizer"));
       
        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
       
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));
       
        if(!turnAllRulesOff) {

            // Push up limit wherever possible.
            rulePlan = new RulePlan();
            RuleOperator loLimit = new RuleOperator(LOLimit.class,
          new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
      rulePlan.add(loLimit);
      Rule<LogicalOperator, LogicalPlan> rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
          new OpLimitOptimizer(plan, mode), "LimitOptimizer");
            checkAndAddRule(rule);
           
            // Push filters up wherever possible
            rulePlan = new RulePlan();
            RuleOperator loFilter = new RuleOperator(LOFilter.class,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(loFilter);
            rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PushUpFilter(plan), "PushUpFilter");
            checkAndAddRule(rule);
           
            // Push foreach with flatten down wherever possible
            rulePlan = new RulePlan();
            RuleOperator loForeach = new RuleOperator(LOForEach.class,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(loForeach);
            rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PushDownForeachFlatten(plan), "PushDownForeachFlatten");
            checkAndAddRule(rule);
           
            // Prune column up wherever possible
            rulePlan = new RulePlan();
            RuleOperator rulePruneColumnsOperator = new RuleOperator(RelationalOperator.class, RuleOperator.NodeType.ANY_NODE,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(rulePruneColumnsOperator);
            pruneRule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PruneColumns(plan), "PruneColumns", Rule.WalkerAlgo.ReverseDependencyOrderWalker);
        }
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));


        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));
       
        // Add type casting to plans where the schema has been declared by
        // user in a statement with native operator.
        rulePlan = new RulePlan();
        RuleOperator loNative= new RuleOperator(LONative.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loNative);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LONative.class.getName()), "NativeTypeCastInserter"));
       
        // Push up filters as far as we can
        rulePlan = new RulePlan();
        RuleOperator loFilter = new RuleOperator(LOFilter.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loFilter);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOFilter.class.getName()),
                "PushUpFilter"));
View Full Code Here
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));

       
        // this one is ordered to be before other optimizations since  later
        // optimizations may move the LOFilter that is looks for just after a
        // LOLoad
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new PartitionFilterOptimizer(plan), "PartitionFilterOptimizer"));


        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
       
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));

        if(!turnAllRulesOff) {

            // Push up limit wherever possible.
            rulePlan = new RulePlan();
            RuleOperator loLimit = new RuleOperator(LOLimit.class,
          new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
      rulePlan.add(loLimit);
      Rule<LogicalOperator, LogicalPlan> rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
          new OpLimitOptimizer(plan, mode), "LimitOptimizer");
            checkAndAddRule(rule);
           
            // Push filters up wherever possible
            rulePlan = new RulePlan();
            RuleOperator loFilter = new RuleOperator(LOFilter.class,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(loFilter);
            rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PushUpFilter(plan), "PushUpFilter");
            checkAndAddRule(rule);
           
            // Push foreach with flatten down wherever possible
            rulePlan = new RulePlan();
            RuleOperator loForeach = new RuleOperator(LOForEach.class,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(loForeach);
            rule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PushDownForeachFlatten(plan), "PushDownForeachFlatten");
            checkAndAddRule(rule);
           
            // Prune column up wherever possible
            rulePlan = new RulePlan();
            RuleOperator rulePruneColumnsOperator = new RuleOperator(RelationalOperator.class, RuleOperator.NodeType.ANY_NODE,
                    new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
            rulePlan.add(rulePruneColumnsOperator);
            pruneRule = new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                    new PruneColumns(plan), "PruneColumns", Rule.WalkerAlgo.ReverseDependencyOrderWalker);
        }
View Full Code Here
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));


        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));
       
        // Push up filters as far as we can
        rulePlan = new RulePlan();
        RuleOperator loFilter = new RuleOperator(LOFilter.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loFilter);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOFilter.class.getName()),
                "PushUpFilter"));
View Full Code Here
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));


        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));
       
        // Push up filters as far as we can
        rulePlan = new RulePlan();
        RuleOperator loFilter = new RuleOperator(LOFilter.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loFilter);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOFilter.class.getName()),
                "PushUpFilter"));
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
        // it explicit. Since the RuleMatcher doesn't handle trees properly,
        // we cheat and say that we match any node. Then we'll do the actual
        // test in the transformers check method.
       
        rulePlan = new RulePlan();
        RuleOperator anyLogicalOperator = new RuleOperator(LogicalOperator.class, RuleOperator.NodeType.ANY_NODE,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(anyLogicalOperator);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new ImplicitSplitInserter(plan), "ImplicitSplitInserter"));


        // Add type casting to plans where the schema has been declared (by
        // user, data, or data catalog).
        rulePlan = new RulePlan();
        RuleOperator loLoad = new RuleOperator(LOLoad.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loLoad);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan,
                new TypeCastInserter(plan, LOLoad.class.getName()), "LoadTypeCastInserter"));

        // Add type casting to plans where the schema has been declared by
        // user in a statement with stream operator.
        rulePlan = new RulePlan();
        RuleOperator loStream= new RuleOperator(LOStream.class,
                new OperatorKey(SCOPE, nodeIdGen.getNextNodeId(SCOPE)));
        rulePlan.add(loStream);
        mRules.add(new Rule<LogicalOperator, LogicalPlan>(rulePlan, new TypeCastInserter(plan,
                LOStream.class.getName()), "StreamTypeCastInserter"));
View Full Code Here
TOP

Related Classes of org.apache.pig.impl.plan.optimizer.RuleOperator

  • org.apache.pig.impl.logicalLayer.optimizer.LogicalOptimizer
  • org.apache.pig.pen.util.FunctionalLogicalOptimizer
    • 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.