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sqlserver sql parser support multi-values insert statement

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This commit is contained in:
wenshao
2012-11-24 23:51:08 +08:00
parent e509d796c6
commit 6706aed114
3 changed files with 116 additions and 6 deletions
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src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerStatementParser.java
+67
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@@ -15,9 +15,16 @@
*/
package com.alibaba.druid.sql.dialect.sqlserver.parser;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.ast.statement.SQLInsertInto;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
import com.alibaba.druid.sql.dialect.sqlserver.ast.stmt.SQLServerInsertStatement;
import com.alibaba.druid.sql.parser.Lexer;
import com.alibaba.druid.sql.parser.SQLSelectParser;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import com.alibaba.druid.sql.parser.Token;
public class SQLServerStatementParser extends SQLStatementParser {
@@ -32,5 +39,65 @@ public class SQLServerStatementParser extends SQLStatementParser {
public SQLServerStatementParser(Lexer lexer){
super(new SQLServerExprParser(lexer));
}
public SQLStatement parseInsert() {
SQLServerInsertStatement insertStatement = new SQLServerInsertStatement();
if (lexer.token() == Token.INSERT) {
accept(Token.INSERT);
}
parseInsert0(insertStatement);
return insertStatement;
}
protected void parseInsert0(SQLInsertInto insert, boolean acceptSubQuery) {
SQLServerInsertStatement insertStatement = (SQLServerInsertStatement) insert;
if (lexer.token() == Token.INTO) {
lexer.nextToken();
SQLName tableName = this.exprParser.name();
insertStatement.setTableName(tableName);
if (lexer.token() == Token.LITERAL_ALIAS) {
insertStatement.setAlias(as());
}
parseInsert0_hinits(insertStatement);
if (lexer.token() == Token.IDENTIFIER) {
insertStatement.setAlias(lexer.stringVal());
lexer.nextToken();
}
}
if (lexer.token() == (Token.LPAREN)) {
lexer.nextToken();
this.exprParser.exprList(insertStatement.getColumns());
accept(Token.RPAREN);
}
if (lexer.token() == Token.VALUES) {
lexer.nextToken();
for (;;) {
accept(Token.LPAREN);
SQLInsertStatement.ValuesClause values = new SQLInsertStatement.ValuesClause();
this.exprParser.exprList(values.getValues());
insertStatement.getValuesList().add(values);
accept(Token.RPAREN);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
} else if (acceptSubQuery && (lexer.token() == Token.SELECT || lexer.token() == Token.LPAREN)) {
SQLQueryExpr queryExpr = (SQLQueryExpr) this.exprParser.expr();
insertStatement.setQuery(queryExpr.getSubQuery());
}
}
}