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Conflicts: src/test/java/net/sf/jsqlparser/test/select/SelectTest.java
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‎README.md‎

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[![PayPal donate button](http://img.shields.io/paypal/donate.png?color=yellow)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=64CCN9JJANZXA "Help this JSqlParser version using Paypal")
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[![Gitter](https://badges.gitter.im/JSQLParser/JSqlParser.svg)](https://gitter.im/JSQLParser/JSqlParser?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
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Look here for more information and examples: https://github.com/JSQLParser/JSqlParser/wiki.
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## License
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## Extensions in the latest SNAPSHOT version 0.9.6
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* allowed negative interval expressions like **INTERVAL -420 MINUTES**.
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* support for **ALTER VIEW** statements
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## Extensions of JSqlParser releases
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‎src/main/java/net/sf/jsqlparser/statement/StatementVisitor.java‎

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import net.sf.jsqlparser.statement.alter.Alter;
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import net.sf.jsqlparser.statement.create.index.CreateIndex;
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import net.sf.jsqlparser.statement.create.table.CreateTable;
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import net.sf.jsqlparser.statement.create.view.AlterView;
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import net.sf.jsqlparser.statement.create.view.CreateView;
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import net.sf.jsqlparser.statement.delete.Delete;
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import net.sf.jsqlparser.statement.drop.Drop;
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void visit(CreateTable createTable);
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void visit(CreateView createView);
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void visit(AlterView alterView);
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void visit(Alter alter);
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‎src/main/java/net/sf/jsqlparser/statement/StatementVisitorAdapter.java‎

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import net.sf.jsqlparser.statement.alter.Alter;
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import net.sf.jsqlparser.statement.create.index.CreateIndex;
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import net.sf.jsqlparser.statement.create.table.CreateTable;
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import net.sf.jsqlparser.statement.create.view.AlterView;
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import net.sf.jsqlparser.statement.create.view.CreateView;
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import net.sf.jsqlparser.statement.delete.Delete;
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import net.sf.jsqlparser.statement.drop.Drop;
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public void visit(Merge merge) {
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}
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@Override
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public void visit(AlterView alterView) {
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}
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}

‎src/main/java/net/sf/jsqlparser/statement/create/view/AlterView.java‎

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/*
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* #%L
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* JSQLParser library
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* %%
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* Copyright (C) 2004 - 2013 JSQLParser
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* %%
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Lesser Public License for more details.
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*
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* You should have received a copy of the GNU General Lesser Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/lgpl-2.1.html>.
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* #L%
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*/
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package net.sf.jsqlparser.statement.create.view;
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import java.util.List;
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import net.sf.jsqlparser.schema.Table;
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import net.sf.jsqlparser.statement.Statement;
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import net.sf.jsqlparser.statement.StatementVisitor;
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import net.sf.jsqlparser.statement.select.PlainSelect;
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import net.sf.jsqlparser.statement.select.SelectBody;
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/**
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* A "CREATE VIEW" statement
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*/
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public class AlterView implements Statement {
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private Table view;
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private SelectBody selectBody;
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private List<String> columnNames = null;
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@Override
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public void accept(StatementVisitor statementVisitor) {
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statementVisitor.visit(this);
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}
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/**
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* In the syntax tree, a view looks and acts just like a Table.
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*
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* @return The name of the view to be created.
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*/
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public Table getView() {
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return view;
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}
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public void setView(Table view) {
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this.view = view;
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}
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/**
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* @return the SelectBody
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*/
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public SelectBody getSelectBody() {
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return selectBody;
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}
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public void setSelectBody(SelectBody selectBody) {
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this.selectBody = selectBody;
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}
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public List<String> getColumnNames() {
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return columnNames;
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}
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public void setColumnNames(List<String> columnNames) {
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this.columnNames = columnNames;
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}
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@Override
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public String toString() {
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StringBuilder sql = new StringBuilder("ALTER ");
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sql.append("VIEW ");
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sql.append(view);
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if (columnNames != null) {
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sql.append(PlainSelect.getStringList(columnNames, true, true));
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}
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sql.append(" AS ").append(selectBody);
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return sql.toString();
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}
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}

‎src/main/java/net/sf/jsqlparser/util/TablesNamesFinder.java‎

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import net.sf.jsqlparser.statement.alter.Alter;
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import net.sf.jsqlparser.statement.create.index.CreateIndex;
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import net.sf.jsqlparser.statement.create.table.CreateTable;
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import net.sf.jsqlparser.statement.create.view.AlterView;
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import net.sf.jsqlparser.statement.create.view.CreateView;
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import net.sf.jsqlparser.statement.drop.Drop;
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import net.sf.jsqlparser.statement.execute.Execute;
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@Override
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public void visit(Drop drop) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(Truncate truncate) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(CreateIndex createIndex) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(CreateView createView) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(Alter alter) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(Statements stmts) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(Execute execute) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(SetStatement set) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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@Override
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public void visit(Merge merge) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET); //To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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@Override
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public void visit(TableFunction valuesList) {
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}
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@Override
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public void visit(AlterView alterView) {
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throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
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}
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}

‎src/main/java/net/sf/jsqlparser/util/deparser/AlterViewDeParser.java‎

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/*
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* #%L
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* JSQLParser library
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* %%
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* Copyright (C) 2004 - 2013 JSQLParser
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* %%
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Lesser Public License for more details.
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*
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* You should have received a copy of the GNU General Lesser Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/lgpl-2.1.html>.
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* #L%
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*/
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package net.sf.jsqlparser.util.deparser;
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import net.sf.jsqlparser.statement.create.view.AlterView;
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import net.sf.jsqlparser.statement.select.PlainSelect;
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import net.sf.jsqlparser.statement.select.SelectVisitor;
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/**
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* A class to de-parse (that is, tranform from JSqlParser hierarchy into a
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* string) a {@link net.sf.jsqlparser.statement.create.view.AlterView}
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*/
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public class AlterViewDeParser {
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private StringBuilder buffer;
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private SelectVisitor selectVisitor;
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/**
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* @param buffer the buffer that will be filled with the select
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*/
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public AlterViewDeParser(StringBuilder buffer) {
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SelectDeParser selectDeParser = new SelectDeParser();
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selectDeParser.setBuffer(buffer);
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ExpressionDeParser expressionDeParser = new ExpressionDeParser(selectDeParser, buffer);
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selectDeParser.setExpressionVisitor(expressionDeParser);
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selectVisitor = selectDeParser;
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this.buffer = buffer;
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}
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public AlterViewDeParser(StringBuilder buffer, SelectVisitor selectVisitor) {
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this.buffer = buffer;
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this.selectVisitor = selectVisitor;
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}
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public void deParse(AlterView alterView) {
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buffer.append("ALTER ");
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buffer.append("VIEW ").append(alterView.getView().getFullyQualifiedName());
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if (alterView.getColumnNames() != null) {
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buffer.append(PlainSelect.getStringList(alterView.getColumnNames(), true, true));
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}
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buffer.append(" AS ");
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alterView.getSelectBody().accept(selectVisitor);
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}
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public StringBuilder getBuffer() {
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return buffer;
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}
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public void setBuffer(StringBuilder buffer) {
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this.buffer = buffer;
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}
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}

‎src/main/java/net/sf/jsqlparser/util/deparser/StatementDeParser.java‎

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import net.sf.jsqlparser.statement.alter.Alter;
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import net.sf.jsqlparser.statement.create.index.CreateIndex;
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import net.sf.jsqlparser.statement.create.table.CreateTable;
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import net.sf.jsqlparser.statement.create.view.AlterView;
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import net.sf.jsqlparser.statement.create.view.CreateView;
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import net.sf.jsqlparser.statement.delete.Delete;
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import net.sf.jsqlparser.statement.drop.Drop;
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CreateViewDeParser createViewDeParser = new CreateViewDeParser(buffer);
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createViewDeParser.deParse(createView);
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}
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@Override
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public void visit(AlterView alterView) {
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AlterViewDeParser alterViewDeParser = new AlterViewDeParser(buffer);
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alterViewDeParser.deParse(alterView);
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}
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@Override
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public void visit(Delete delete) {

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