--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.impl.sql.execute.rts.RealNestedLoopLeftOuterJoinStatistics\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.io.StoredFormatIds;\r
+\r
+import org.apache.derby.iapi.services.i18n.MessageService;\r
+import org.apache.derby.iapi.reference.SQLState;\r
+\r
+import org.apache.derby.iapi.services.io.FormatableHashtable;\r
+\r
+import java.io.ObjectOutput;\r
+import java.io.ObjectInput;\r
+import java.io.IOException;\r
+\r
+/**\r
+ ResultSetStatistics implemenation for NestedLoopLeftOuterJoinResultSet.\r
+\r
+\r
+*/\r
+public class RealNestedLoopLeftOuterJoinStatistics \r
+ extends RealNestedLoopJoinStatistics\r
+{\r
+\r
+ /* Leave these fields public for object inspectors */\r
+ public int emptyRightRowsReturned;\r
+\r
+ // CONSTRUCTORS\r
+\r
+ /**\r
+ * \r
+ *\r
+ */\r
+ public RealNestedLoopLeftOuterJoinStatistics(\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 rowsSeenLeft,\r
+ int rowsSeenRight,\r
+ int rowsReturned,\r
+ long restrictionTime,\r
+ double optimizerEstimatedRowCount,\r
+ double optimizerEstimatedCost,\r
+ String userSuppliedOptimizerOverrides,\r
+ ResultSetStatistics leftResultSetStatistics,\r
+ ResultSetStatistics rightResultSetStatistics,\r
+ int emptyRightRowsReturned\r
+ )\r
+ {\r
+ super(\r
+ numOpens,\r
+ rowsSeen,\r
+ rowsFiltered,\r
+ constructorTime,\r
+ openTime,\r
+ nextTime,\r
+ closeTime,\r
+ resultSetNumber,\r
+ rowsSeenLeft,\r
+ rowsSeenRight,\r
+ rowsReturned,\r
+ restrictionTime,\r
+ false, // We never do an EXISTS join for an outer join\r
+ optimizerEstimatedRowCount,\r
+ optimizerEstimatedCost,\r
+ userSuppliedOptimizerOverrides,\r
+ leftResultSetStatistics,\r
+ rightResultSetStatistics\r
+ );\r
+ this.emptyRightRowsReturned = emptyRightRowsReturned;\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 + resultSetName + ":" + "\n" + \r
+ indent + MessageService.getTextMessage(SQLState.RTS_NUM_OPENS) +\r
+ " = " + numOpens + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_ROWS_SEEN_LEFT) +\r
+ " = " + rowsSeenLeft + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_ROWS_SEEN_RIGHT) +\r
+ " = " + rowsSeenRight + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_EMPTY_RIGHT_ROWS) +\r
+ " = " + emptyRightRowsReturned + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_ROWS_FILTERED) +\r
+ " = " + rowsFiltered + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_ROWS_RETURNED) +\r
+ " = " + rowsReturned + "\n" +\r
+ dumpTimeStats(indent, subIndent) + "\n" +\r
+ dumpEstimatedCosts(subIndent) + "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_LEFT_RS) +\r
+ ":\n" +\r
+ leftResultSetStatistics.getStatementExecutionPlanText(sourceDepth) +\r
+ "\n" +\r
+ indent + MessageService.getTextMessage(\r
+ SQLState.RTS_RIGHT_RS) +\r
+ ":\n" +\r
+ rightResultSetStatistics.getStatementExecutionPlanText(\r
+ sourceDepth) +\r
+ "\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 leftResultSetStatistics.getScanStatisticsText(tableName, depth)\r
+ + rightResultSetStatistics.getScanStatisticsText(tableName, depth);\r
+ }\r
+\r
+ // Class implementation\r
+ \r
+ public String toString()\r
+ {\r
+ return getStatementExecutionPlanText(0);\r
+ }\r
+\r
+ protected void setNames()\r
+ {\r
+ nodeName = MessageService.getTextMessage(\r
+ SQLState.RTS_NESTED_LOOP_LEFT_OJ);\r
+ resultSetName = MessageService.getTextMessage(\r
+ SQLState.RTS_NESTED_LOOP_LEFT_OJ_RS);\r
+ }\r
+}\r
projects / Benchmarks_CSolver.git / blobdiff