/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.druid.sql.parser;
import com.alibaba.druid.sql.ast.statement.SQLColumnDefinition;
import com.alibaba.druid.sql.ast.statement.SQLConstraint;
import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
import com.alibaba.druid.sql.ast.statement.SQLTableElement;
public class SQLCreateTableParser extends SQLDDLParser {
public SQLCreateTableParser(String sql){
super(sql);
}
public SQLCreateTableParser(SQLExprParser exprParser){
super(exprParser);
}
public SQLCreateTableStatement parseCrateTable() {
return parseCrateTable(true);
}
public SQLCreateTableStatement parseCrateTable(boolean acceptCreate) {
if (acceptCreate) {
accept(Token.CREATE);
}
SQLCreateTableStatement createTable = newCreateStatement();
if (identifierEquals("GLOBAL")) {
lexer.nextToken();
if (identifierEquals("TEMPORARY")) {
lexer.nextToken();
createTable.setType(SQLCreateTableStatement.Type.GLOBAL_TEMPORARY);
} else {
throw new ParserException("syntax error " + lexer.token() + " " + lexer.stringVal());
}
} else if (lexer.token() == Token.IDENTIFIER && lexer.stringVal().equalsIgnoreCase("LOCAL")) {
lexer.nextToken();
if (lexer.token() == Token.IDENTIFIER && lexer.stringVal().equalsIgnoreCase("TEMPORAY")) {
lexer.nextToken();
createTable.setType(SQLCreateTableStatement.Type.LOCAL_TEMPORARY);
} else {
throw new ParserException("syntax error");
}
}
accept(Token.TABLE);
createTable.setName(this.exprParser.name());
if (lexer.token() == Token.LPAREN) {
lexer.nextToken();
for (;;) {
if (lexer.token() == Token.IDENTIFIER //
|| lexer.token() == Token.LITERAL_ALIAS) {
SQLColumnDefinition column = this.exprParser.parseColumn();
createTable.getTableElementList().add(column);
} else if (lexer.token == Token.PRIMARY //
|| lexer.token == Token.UNIQUE //
|| lexer.token == Token.CHECK //
|| lexer.token == Token.CONSTRAINT) {
SQLConstraint constraint = this.exprParser.parseConstaint();
constraint.setParent(createTable);
createTable.getTableElementList().add((SQLTableElement) constraint);
} else if (lexer.token() == Token.TABLESPACE) {
throw new ParserException("TODO " + lexer.token());
} else {
SQLColumnDefinition column = this.exprParser.parseColumn();
createTable.getTableElementList().add(column);
}
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
if (lexer.token() == Token.RPAREN) { // compatible for sql server
break;
}
continue;
}
break;
}
// while
// (this.tokenList.current().equals(OracleToken.ConstraintToken)) {
// parseConstaint(table.getConstraints());
//
// if (this.tokenList.current().equals(OracleToken.CommaToken))
// ;
// lexer.nextToken();
// }
accept(Token.RPAREN);
}
return createTable;
}
protected SQLCreateTableStatement newCreateStatement() {
return new SQLCreateTableStatement();
}
}