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package oracle.toplink.essentials.internal.expressions;

import java.io.*;
import java.util.*;
import oracle.toplink.essentials.exceptions.*;
import oracle.toplink.essentials.internal.helper.*;
import oracle.toplink.essentials.queryframework.*;
import oracle.toplink.essentials.internal.sessions.AbstractSession;

/**
 * 

Purpose: Print INSERT statement. *

Responsibilities:

    *
  • Print INSERT statement. *
* @author Dorin Sandu * @since TOPLink/Java 1.0 */ public class SQLInsertStatement extends SQLModifyStatement { /** * Append the string containing the SQL insert string for the given table. */ protected SQLCall buildCallWithoutReturning(AbstractSession session) { SQLCall call = new SQLCall(); call.returnNothing(); Writer writer = new CharArrayWriter(200); try { writer.write("INSERT "); writer.write("INTO "); writer.write(getTable().getQualifiedName()); writer.write(" ("); Vector fieldsForTable = new Vector(); for (Enumeration fieldsEnum = getModifyRow().keys(); fieldsEnum.hasMoreElements();) { DatabaseField field = (DatabaseField)fieldsEnum.nextElement(); if (field.getTable().equals(getTable()) || (!field.hasTableName())) { fieldsForTable.addElement(field); } } if (fieldsForTable.isEmpty()) { throw QueryException.objectToInsertIsEmpty(getTable()); } for (int i = 0; i < fieldsForTable.size(); i++) { writer.write(((DatabaseField)fieldsForTable.elementAt(i)).getName()); if ((i + 1) < fieldsForTable.size()) { writer.write(", "); } } writer.write(") VALUES ("); for (int i = 0; i < fieldsForTable.size(); i++) { DatabaseField field = (DatabaseField)fieldsForTable.elementAt(i); call.appendModify(writer, field); if ((i + 1) < fieldsForTable.size()) { writer.write(", "); } } writer.write(")"); call.setSQLString(writer.toString()); } catch (IOException exception) { throw ValidationException.fileError(exception); } return call; } }




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