svn commit: r991052 - in /hadoop/pig/trunk/src/org/apache/pig: Main.java newplan/logical/optimizer/LogicalPlanOptimizer.java

[da...@apache.org]

Author: daijy
Date: Tue Aug 31 01:23:16 2010
New Revision: 991052

URL: http://svn.apache.org/viewvc?rev=991052&view=rev
Log:
PIG-1178: LogicalPlan and Optimizer are too complex and hard to work with (PIG-1178-9.patch)

Modified:
    hadoop/pig/trunk/src/org/apache/pig/Main.java
    hadoop/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/LogicalPlanOptimizer.java

Modified: hadoop/pig/trunk/src/org/apache/pig/Main.java
URL: http://svn.apache.org/viewvc/hadoop/pig/trunk/src/org/apache/pig/Main.java?rev=991052&r1=991051&r2=991052&view=diff
==============================================================================
--- hadoop/pig/trunk/src/org/apache/pig/Main.java (original)
+++ hadoop/pig/trunk/src/org/apache/pig/Main.java Tue Aug 31 01:23:16 2010
@@ -679,10 +679,15 @@ public static void usage()
         System.out.println("    -p, -param - Key value pair of the form param=val");
         System.out.println("    -r, -dryrun - Produces script with substituted parameters. Script is not executed.");
         System.out.println("    -t, -optimizer_off - Turn optimizations off. The following values are supported:");
-        System.out.println("            PushUpFilter - Filter as early as possible");
+        System.out.println("            SplitFilter - Split filter conditions");
+        System.out.println("            MergeFilter - Merge filter conditions");
+        System.out.println("            PushUpFilter - Filter as early as possible (except ForEach)");
+        System.out.println("            FilterAboveForeach - Filter as early as possible (deal with ForEach case)");
         System.out.println("            PushDownForeachFlatten - Join or explode as late as possible");
-        System.out.println("            PruneColumns - Remove unused data");
+        System.out.println("            ColumnMapKeyPrune - Remove unused data");
         System.out.println("            LimitOptimizer - Limit as early as possible");
+        System.out.println("            AddForEach - Add ForEach to remove unneeded columns");
+        System.out.println("            MergeForEach - Merge adjacent ForEach");
         System.out.println("            All - Disable all optimizations");
         System.out.println("        All optimizations are enabled by default. Optimization values are case insensitive.");
         System.out.println("    -v, -verbose - Print all error messages to screen");

Modified: hadoop/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/LogicalPlanOptimizer.java
URL: http://svn.apache.org/viewvc/hadoop/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/LogicalPlanOptimizer.java?rev=991052&r1=991051&r2=991052&view=diff
==============================================================================
--- hadoop/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/LogicalPlanOptimizer.java (original)
+++ hadoop/pig/trunk/src/org/apache/pig/newplan/logical/optimizer/LogicalPlanOptimizer.java Tue Aug 31 01:23:16 2010
@@ -107,7 +107,7 @@ public class LogicalPlanOptimizer extend
         s = new HashSet<Rule>();
         r = new PushUpFilter("PushUpFilter");
         checkAndAddRule(s, r);
-        r = new FilterAboveForeach("FilterAboveForEachWithFlatten");
+        r = new FilterAboveForeach("FilterAboveForEach");
         checkAndAddRule(s, r);
         if (!s.isEmpty())
             ls.add(s);