Adding JMCR-Stable version
[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / derby-10.3.2.1 / java / engine / org / apache / derby / impl / sql / execute / rts / RealDistinctScalarAggregateStatistics.java
diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/sql/execute/rts/RealDistinctScalarAggregateStatistics.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/sql/execute/rts/RealDistinctScalarAggregateStatistics.java
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+/*\r
+\r
+   Derby - Class org.apache.derby.impl.sql.execute.rts.RealDistinctScalarAggregateStatistics\r
+\r
+   Licensed to the Apache Software Foundation (ASF) under one or more\r
+   contributor license agreements.  See the NOTICE file distributed with\r
+   this work for additional information regarding copyright ownership.\r
+   The ASF licenses this file to you under the Apache License, Version 2.0\r
+   (the "License"); you may not use this file except in compliance with\r
+   the License.  You may obtain a copy of the License at\r
+\r
+      http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+   Unless required by applicable law or agreed to in writing, software\r
+   distributed under the License is distributed on an "AS IS" BASIS,\r
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+   See the License for the specific language governing permissions and\r
+   limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.impl.sql.execute.rts;\r
+\r
+import org.apache.derby.iapi.services.i18n.MessageService;\r
+import org.apache.derby.iapi.reference.SQLState;\r
+\r
+/**\r
+  ResultSetStatistics implemenation for DistinctScalarAggregateResultSet.\r
+\r
+\r
+*/\r
+public class RealDistinctScalarAggregateStatistics \r
+       extends RealScalarAggregateStatistics\r
+{\r
+\r
+       /* Leave these fields public for object inspectors */\r
+       public int rowsInput;\r
+\r
+       // CONSTRUCTORS\r
+\r
+       /**\r
+        * \r
+        *\r
+        */\r
+    public     RealDistinctScalarAggregateStatistics(\r
+                                               int numOpens,\r
+                                               int rowsSeen,\r
+                                               int rowsFiltered,\r
+                                               long constructorTime,\r
+                                               long openTime,\r
+                                               long nextTime,\r
+                                               long closeTime,\r
+                                               int resultSetNumber,\r
+                                               int rowsInput,\r
+                                               double optimizerEstimatedRowCount,\r
+                                               double optimizerEstimatedCost,\r
+                                               ResultSetStatistics childResultSetStatistics\r
+                                               )\r
+       {\r
+               super(\r
+                       numOpens,\r
+                       rowsSeen,\r
+                       rowsFiltered,\r
+                       constructorTime,\r
+                       openTime,\r
+                       nextTime,\r
+                       closeTime,\r
+                       resultSetNumber,\r
+                       false,          // No min optimization when a distinct aggregate exits\r
+                       rowsInput,\r
+                       optimizerEstimatedRowCount,\r
+                       optimizerEstimatedCost,\r
+                       childResultSetStatistics\r
+                       );\r
+       }\r
+\r
+       // ResultSetStatistics methods\r
+\r
+       /**\r
+        * Return the statement execution plan as a String.\r
+        *\r
+        * @param depth Indentation level.\r
+        *\r
+        * @return String       The statement execution plan as a String.\r
+        */\r
+       public String getStatementExecutionPlanText(int depth)\r
+       {\r
+               initFormatInfo(depth);\r
+\r
+               return\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_DSARS) +\r
+                               ":\n" +\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_NUM_OPENS) +\r
+                               " = " + numOpens + "\n" +\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_ROWS_INPUT) +\r
+                               " = " + rowsInput + "\n" +\r
+                       dumpTimeStats(indent, subIndent) + "\n" +\r
+                       dumpEstimatedCosts(subIndent) + "\n" +\r
+                       indent + MessageService.getTextMessage(SQLState.RTS_SOURCE_RS) +\r
+                               ":\n" +\r
+                       childResultSetStatistics.getStatementExecutionPlanText(sourceDepth) + "\n";\r
+       }\r
+\r
+       /**\r
+        * Return information on the scan nodes from the statement execution \r
+        * plan as a String.\r
+        *\r
+        * @param depth Indentation level.\r
+        * @param tableName if not NULL then print information for this table only\r
+        *\r
+        * @return String       The information on the scan nodes from the \r
+        *                                      statement execution plan as a String.\r
+        */\r
+       public String getScanStatisticsText(String tableName, int depth)\r
+       {\r
+               return childResultSetStatistics.getScanStatisticsText(tableName, depth);\r
+       }\r
+\r
+\r
+\r
+       // Class implementation\r
+       \r
+       public String toString()\r
+       {\r
+               return getStatementExecutionPlanText(0);\r
+       }\r
+  public java.util.Vector getChildren(){\r
+    java.util.Vector children = new java.util.Vector();\r
+    children.addElement(childResultSetStatistics);\r
+    return children;\r
+  }\r
+       /**\r
+   * Format for display, a name for this node.\r
+        *\r
+        */\r
+  public String getNodeName(){\r
+    return MessageService.getTextMessage(SQLState.RTS_DISTINCT_SCALAR_AGG);\r
+  }\r
+}\r