Java Code Examples for com.alibaba.druid.sql.parser.Token#LPAREN

The following examples show how to use com.alibaba.druid.sql.parser.Token#LPAREN . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: elasticsearch-sql   File: ElasticSqlExprParser.java    License: Apache License 2.0 5 votes vote down vote up 
public SQLName userName() {
    SQLName name = this.name();
    if (lexer.token() == Token.LPAREN && name.hashCode64() == FnvHash.Constants.CURRENT_USER) {
        lexer.nextToken();
        accept(Token.RPAREN);
        return name;
    }

    return (SQLName) userNameRest(name);
}
Example 2
Source Project: Mycat2   File: MycatSelectParser.java    License: GNU General Public License v3.0 4 votes vote down vote up 
public void parseTop()
{
    if (lexer.token() == Token.TOP)
    {
        lexer.nextToken();

        boolean paren = false;
        if (lexer.token() == Token.LPAREN)
        {
            paren = true;
            lexer.nextToken();
        }

        if (paren)
        {
            accept(Token.RPAREN);
        }

        if (lexer.token() == Token.LITERAL_INT)
        {
            lexer.mark();
            lexer.nextToken();
        }
        if (lexer.token() == Token.IDENTIFIER)
        {
            lexer.nextToken();

        }
        if (lexer.token() == Token.EQ||lexer.token() == Token.DOT)
        {
            lexer.nextToken();
        } else  if(lexer.token() != Token.STAR)
        {
            lexer.reset();
        }
        if (lexer.token() == Token.PERCENT)
        {
            lexer.nextToken();
        }


    }


}
Example 3
Source Project: Mycat2   File: MycatExprParser.java    License: GNU General Public License v3.0 4 votes vote down vote up 
public void parseTop()
{
    if (lexer.token() == Token.TOP)
    {
        lexer.nextToken();

        boolean paren = false;
        if (lexer.token() == Token.LPAREN)
        {
            paren = true;
            lexer.nextToken();
        }

        if (paren)
        {
            accept(Token.RPAREN);
        }

        if (lexer.token() == Token.LITERAL_INT)
        {
            lexer.mark();
            lexer.nextToken();
        }
        if (lexer.token() == Token.IDENTIFIER)
        {
            lexer.nextToken();

        }
        if (lexer.token() == Token.EQ||lexer.token() == Token.DOT)
        {
            lexer.nextToken();
        } else  if(lexer.token() != Token.STAR)
        {
            lexer.reset();
        }
        if (lexer.token() == Token.PERCENT)
        {
            lexer.nextToken();
        }


    }


}
Example 4
Source Project: elasticsearch-sql   File: ElasticSqlExprParser.java    License: Apache License 2.0 4 votes vote down vote up 
@Override
public MySqlPrimaryKey parsePrimaryKey() {
    accept(Token.PRIMARY);
    accept(Token.KEY);

    MySqlPrimaryKey primaryKey = new MySqlPrimaryKey();

    if (lexer.identifierEquals(FnvHash.Constants.USING)) {
        lexer.nextToken();
        primaryKey.setIndexType(lexer.stringVal());
        lexer.nextToken();
    }

    if (lexer.token() != Token.LPAREN) {
        SQLName name = this.name();
        primaryKey.setName(name);
    }

    accept(Token.LPAREN);
    for (;;) {
        SQLExpr expr;
        if (lexer.token() == Token.LITERAL_ALIAS) {
            expr = this.name();
        } else {
            expr = this.expr();
        }
        primaryKey.addColumn(expr);
        if (!(lexer.token() == (Token.COMMA))) {
            break;
        } else {
            lexer.nextToken();
        }
    }
    accept(Token.RPAREN);

    if (lexer.identifierEquals(FnvHash.Constants.USING)) {
        lexer.nextToken();
        primaryKey.setIndexType(lexer.stringVal());
        lexer.nextToken();
    }

    return primaryKey;
}
Example 5
Source Project: elasticsearch-sql   File: ElasticSqlExprParser.java    License: Apache License 2.0 4 votes vote down vote up 
public SQLPartition parsePartition() {
    accept(Token.PARTITION);

    SQLPartition partitionDef = new SQLPartition();

    partitionDef.setName(this.name());

    SQLPartitionValue values = this.parsePartitionValues();
    if (values != null) {
        partitionDef.setValues(values);
    }

    for (;;) {
        boolean storage = false;
        if (lexer.identifierEquals(FnvHash.Constants.DATA)) {
            lexer.nextToken();
            acceptIdentifier("DIRECTORY");
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            partitionDef.setDataDirectory(this.expr());
        } else if (lexer.token() == Token.TABLESPACE) {
            lexer.nextToken();
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            SQLName tableSpace = this.name();
            partitionDef.setTablespace(tableSpace);
        } else if (lexer.token() == Token.INDEX) {
            lexer.nextToken();
            acceptIdentifier("DIRECTORY");
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            partitionDef.setIndexDirectory(this.expr());
        } else if (lexer.identifierEquals(FnvHash.Constants.MAX_ROWS)) {
            lexer.nextToken();
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            SQLExpr maxRows = this.primary();
            partitionDef.setMaxRows(maxRows);
        } else if (lexer.identifierEquals(FnvHash.Constants.MIN_ROWS)) {
            lexer.nextToken();
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            SQLExpr minRows = this.primary();
            partitionDef.setMaxRows(minRows);
        } else if (lexer.identifierEquals(FnvHash.Constants.ENGINE) || //
                (storage = (lexer.token() == Token.STORAGE || lexer.identifierEquals(FnvHash.Constants.STORAGE)))) {
            if (storage) {
                lexer.nextToken();
            }
            acceptIdentifier("ENGINE");

            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }

            SQLName engine = this.name();
            partitionDef.setEngine(engine);
        } else if (lexer.token() == Token.COMMENT) {
            lexer.nextToken();
            if (lexer.token() == Token.EQ) {
                lexer.nextToken();
            }
            SQLExpr comment = this.primary();
            partitionDef.setComment(comment);
        } else {
            break;
        }
    }

    if (lexer.token() == Token.LPAREN) {
        lexer.nextToken();

        for (;;) {
            acceptIdentifier("SUBPARTITION");

            SQLName subPartitionName = this.name();
            SQLSubPartition subPartition = new SQLSubPartition();
            subPartition.setName(subPartitionName);

            partitionDef.addSubPartition(subPartition);

            if (lexer.token() == Token.COMMA) {
                lexer.nextToken();
                continue;
            }
            break;
        }

        accept(Token.RPAREN);
    }
    return partitionDef;
}