221 lines
8.9 KiB
Java
221 lines
8.9 KiB
Java
package org.gcube.portlets.user.td.gwtservice.server.opexecution;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationDefinition;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationExecution;
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import org.gcube.data.analysis.tabulardata.expression.Expression;
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import org.gcube.data.analysis.tabulardata.expression.NotEvaluableDataTypeException;
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import org.gcube.data.analysis.tabulardata.expression.composite.comparable.Equals;
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import org.gcube.data.analysis.tabulardata.expression.functions.Cast;
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import org.gcube.data.analysis.tabulardata.expression.logical.And;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
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import org.gcube.data.analysis.tabulardata.model.datatype.DataType;
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import org.gcube.data.analysis.tabulardata.model.datatype.IntegerType;
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import org.gcube.data.analysis.tabulardata.model.datatype.NumericType;
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import org.gcube.data.analysis.tabulardata.model.datatype.TextType;
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import org.gcube.data.analysis.tabulardata.model.table.TableId;
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import org.gcube.data.analysis.tabulardata.service.TabularDataService;
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import org.gcube.portlets.user.td.gwtservice.server.trservice.ColumnDataTypeMap;
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import org.gcube.portlets.user.td.gwtservice.server.trservice.OperationDefinitionMap;
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import org.gcube.portlets.user.td.gwtservice.shared.Constants;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.replacebyexternal.ReplaceByExternalColumnsMapping;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.replacebyexternal.ReplaceByExternalSession;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.operations.OperationsId;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnDataType;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Operation Execution for replace by external tabular resource
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*
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* @author Giancarlo Panichi
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*
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*
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*/
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public class OpExecution4ReplaceByExternal extends OpExecutionBuilder {
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private static Logger logger = LoggerFactory
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.getLogger(OpExecution4ReplaceByExternal.class);
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private TabularDataService service;
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private ReplaceByExternalSession replaceByExternalSession;
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public OpExecution4ReplaceByExternal(TabularDataService service,
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ReplaceByExternalSession replaceByExternalSession) {
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this.service = service;
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this.replaceByExternalSession = replaceByExternalSession;
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}
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@Override
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public void buildOpEx() throws TDGWTServiceException {
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OperationExecution invocation = null;
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logger.debug(replaceByExternalSession.toString());
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OperationDefinition operationDefinition;
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Map<String, Object> map = new HashMap<String, Object>();
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operationDefinition = OperationDefinitionMap.map(
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OperationsId.ReplaceColumnByExpression.toString(), service);
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TableId currentTableId = null;
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if (replaceByExternalSession.getCurrentTabularResource().getTrId()
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.isViewTable()) {
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currentTableId = new TableId(Long.valueOf(replaceByExternalSession
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.getCurrentTabularResource().getTrId()
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.getReferenceTargetTableId()));
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} else {
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currentTableId = new TableId(Long.valueOf(replaceByExternalSession
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.getCurrentTabularResource().getTrId().getTableId()));
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}
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TableId externalTableId = null;
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if (replaceByExternalSession.getExternalTabularResource().getTrId()
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.isViewTable()) {
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externalTableId = new TableId(Long.valueOf(replaceByExternalSession
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.getExternalTabularResource().getTrId()
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.getReferenceTargetTableId()));
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} else {
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externalTableId = new TableId(Long.valueOf(replaceByExternalSession
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.getExternalTabularResource().getTrId().getTableId()));
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}
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ArrayList<Expression> conditions = new ArrayList<Expression>();
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for (ReplaceByExternalColumnsMapping colMapping : replaceByExternalSession
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.getColumnsMatch()) {
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logger.debug("ColumnsMapping: " + colMapping);
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DataType currentColumnDataType = ColumnDataTypeMap
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.map(ColumnDataType.getColumnDataTypeFromId(colMapping
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.getCurrentColumn().getDataTypeName()));
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DataType externalColumnDataType = ColumnDataTypeMap
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.map(ColumnDataType.getColumnDataTypeFromId(colMapping
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.getExternalColumn().getDataTypeName()));
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ColumnReference currentColumn = new ColumnReference(currentTableId,
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new ColumnLocalId(colMapping.getCurrentColumn()
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.getColumnId()), currentColumnDataType);
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ColumnReference externalColumn = new ColumnReference(
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externalTableId, new ColumnLocalId(colMapping
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.getExternalColumn().getColumnId()),
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externalColumnDataType);
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logger.debug("CurrentColumn: " + currentColumn);
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logger.debug("ExternalColumn: " + externalColumn);
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if (!Cast.isCastSupported(currentColumnDataType,
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externalColumnDataType)) {
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logger.error("Error casting columns, types not compatible! Types: ["+currentColumnDataType+","+externalColumnDataType+"]");
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throw new TDGWTServiceException(
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"Error casting columns, types not compatible! Types: ["+currentColumnDataType+","+externalColumnDataType+"]");
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}
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logger.debug("Cast columns if need");
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Equals eq;
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if (currentColumnDataType.equals(externalColumnDataType)) {
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eq = new Equals(currentColumn, externalColumn);
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} else {
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if (currentColumnDataType instanceof TextType) {
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Expression externalColumnCasted;
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try {
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externalColumnCasted = new Cast(externalColumn,
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currentColumn.getReturnedDataType());
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} catch (NotEvaluableDataTypeException e) {
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logger.error("Error casting external column to Text data type! "
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+ e.getLocalizedMessage());
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e.printStackTrace();
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throw new TDGWTServiceException(
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"Error casting external column to Text data type!");
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}
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eq = new Equals(currentColumn, externalColumnCasted);
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} else {
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if (externalColumnDataType instanceof TextType) {
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Expression currentColumnCasted;
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try {
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currentColumnCasted = new Cast(currentColumn,
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externalColumn.getReturnedDataType());
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} catch (NotEvaluableDataTypeException e) {
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logger.error("Error casting current column to Text data type! "
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+ e.getLocalizedMessage());
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e.printStackTrace();
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throw new TDGWTServiceException(
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"Error casting current column to Text data type!");
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}
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eq = new Equals(currentColumnCasted, externalColumn);
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} else {
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if (currentColumnDataType instanceof IntegerType
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&& externalColumnDataType instanceof NumericType) {
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Expression currentColumnCasted;
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try {
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currentColumnCasted = new Cast(currentColumn,
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externalColumn.getReturnedDataType());
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} catch (NotEvaluableDataTypeException e) {
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logger.error("Error casting current column to Numeric data type! "
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+ e.getLocalizedMessage());
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e.printStackTrace();
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throw new TDGWTServiceException(
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"Error casting current column to Numeric data type!");
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}
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eq = new Equals(currentColumnCasted, externalColumn);
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} else {
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if (currentColumnDataType instanceof NumericType
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&& externalColumnDataType instanceof IntegerType) {
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Expression externalColumnCasted;
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try {
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externalColumnCasted = new Cast(externalColumn,
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currentColumn.getReturnedDataType());
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} catch (NotEvaluableDataTypeException e) {
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logger.error("Error casting external column to Numeric data type! "
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+ e.getLocalizedMessage());
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e.printStackTrace();
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throw new TDGWTServiceException(
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"Error casting external column to Numeric data type!");
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}
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eq = new Equals(currentColumn, externalColumnCasted);
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} else {
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logger.error("Error casting columns, types not compatible! Types: ["+currentColumnDataType+","+externalColumnDataType+"]");
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throw new TDGWTServiceException(
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"Error casting columns, types not compatible! Types: ["+currentColumnDataType+","+externalColumnDataType+"]");
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}
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}
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}
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}
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}
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conditions.add(eq);
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}
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Expression condition = null;
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if (conditions.size() <= 0) {
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logger.error("No columns selected");
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throw new TDGWTServiceException("No columns selected");
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} else {
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if (conditions.size() == 1) {
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condition = conditions.get(0);
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} else {
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And andCond = new And(conditions);
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condition = andCond;
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}
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}
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ColumnReference replaceColumn = new ColumnReference(externalTableId,
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new ColumnLocalId(replaceByExternalSession.getReplaceColumn()
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.getColumnId()));
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map.put(Constants.PARAMETER_REPLACE_BY_EXPRESSION_COLUMN_CONDITION,
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condition);
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map.put(Constants.PARAMETER_REPLACE_BY_EXPRESSION_COLUMN_VALUE,
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replaceColumn);
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invocation = new OperationExecution(replaceByExternalSession
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.getCurrentColumn().getColumnId(),
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operationDefinition.getOperationId(), map);
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operationExecutionSpec.setOp(invocation);
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}
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}
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