Package com.alibaba.druid.sql.ast

Examples of com.alibaba.druid.sql.ast.SQLName

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    private MySqlShowColumnsStatement parseShowColumns() {
        MySqlShowColumnsStatement stmt = new MySqlShowColumnsStatement();

        if (lexer.token() == Token.FROM) {
            lexer.nextToken();
            SQLName table = exprParser.name();
            stmt.setTable(table);

            if (lexer.token() == Token.FROM) {
                lexer.nextToken();
                SQLName database = exprParser.name();
                stmt.setDatabase(database);
            }
        }

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

        SQLName tableName = exprParser.name();
        stmt.setTableName(tableName);

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

        accept(Token.INTO);
        accept(Token.TABLE);

        SQLName tableName = exprParser.name();
        stmt.setTableName(tableName);

        if (identifierEquals(CHARACTER)) {
            lexer.nextToken();
            accept(Token.SET);
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        }

        accept(Token.INTO);
        accept(Token.TABLE);

        SQLName tableName = exprParser.name();
        stmt.setTableName(tableName);

        if (identifierEquals(CHARACTER)) {
            lexer.nextToken();
            accept(Token.SET);
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    }

    public MySqlPrepareStatement parsePrepare() {
        acceptIdentifier("PREPARE");

        SQLName name = exprParser.name();
        accept(Token.FROM);
        SQLExpr from = exprParser.expr();

        return new MySqlPrepareStatement(name, from);
    }
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    public MySqlExecuteStatement parseExecute() {
        acceptIdentifier("EXECUTE");

        MySqlExecuteStatement stmt = new MySqlExecuteStatement();

        SQLName statementName = exprParser.name();
        stmt.setStatementName(statementName);

        if (identifierEquals("USING")) {
            lexer.nextToken();
            exprParser.exprList(stmt.getParameters(), stmt);
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            if (lexer.token() == Token.INTO) {
                lexer.nextToken();
            }

            SQLName tableName = this.exprParser.name();
            insertStatement.setTableName(tableName);

            if (lexer.token() == Token.IDENTIFIER && !identifierEquals("VALUE")) {
                insertStatement.setAlias(lexer.stringVal());
                lexer.nextToken();
            }

        }

        int columnSize = 0;
        if (lexer.token() == (Token.LPAREN)) {
            lexer.nextToken();
            if (lexer.token() == (Token.SELECT)) {
                SQLSelect select = this.exprParser.createSelectParser().select();
                select.setParent(insertStatement);
                insertStatement.setQuery(select);
            } else {
                this.exprParser.exprList(insertStatement.getColumns(), insertStatement);
                columnSize = insertStatement.getColumns().size();
            }
            accept(Token.RPAREN);
        }

        if (lexer.token() == Token.VALUES || identifierEquals("VALUE")) {
            lexer.nextTokenLParen();
            parseValueClause(insertStatement.getValuesList(), columnSize);
        } else if (lexer.token() == Token.SET) {
            lexer.nextToken();

            SQLInsertStatement.ValuesClause values = new SQLInsertStatement.ValuesClause();
            insertStatement.getValuesList().add(values);

            for (;;) {
                SQLName name = this.exprParser.name();
                insertStatement.getColumns().add(name);
                if (lexer.token() == Token.EQ) {
                    lexer.nextToken();
                } else {
                    accept(Token.COLONEQ);
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                        stmt.getItems().add(item);
                    } else if (lexer.token() == Token.KEY) {
                        throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
                    } else if (lexer.token() == Token.CONSTRAINT) {
                        lexer.nextToken();
                        SQLName constraintName = this.exprParser.name();

                        if (lexer.token() == Token.PRIMARY) {
                            SQLPrimaryKey primaryKey = ((MySqlExprParser) this.exprParser).parsePrimaryKey();

                            primaryKey.setName(constraintName);
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    public void parseAlterDrop(SQLAlterTableStatement stmt) {
        lexer.nextToken();
        if (lexer.token() == Token.INDEX) {
            lexer.nextToken();
            SQLName indexName = this.exprParser.name();
            SQLAlterTableDropIndex item = new SQLAlterTableDropIndex();
            item.setIndexName(indexName);
            stmt.getItems().add(item);
        } else if (lexer.token() == Token.FOREIGN) {
            lexer.nextToken();
            accept(Token.KEY);
            SQLName indexName = this.exprParser.name();
            SQLAlterTableDropForeignKey item = new SQLAlterTableDropForeignKey();
            item.setIndexName(indexName);
            stmt.getItems().add(item);
        } else if (lexer.token() == Token.PRIMARY) {
            lexer.nextToken();
            accept(Token.KEY);
            SQLAlterTableDropPrimaryKey item = new SQLAlterTableDropPrimaryKey();
            stmt.getItems().add(item);
        } else if (lexer.token() == Token.CONSTRAINT) {
            lexer.nextToken();
            SQLAlterTableDropConstraint item = new SQLAlterTableDropConstraint();
            item.setConstraintName(this.exprParser.name());
            stmt.getItems().add(item);
        } else if (lexer.token() == Token.COLUMN) {
            lexer.nextToken();
            SQLAlterTableDropColumnItem item = new SQLAlterTableDropColumnItem();

            SQLName name = exprParser.name();
            name.setParent(item);
            item.getColumns().add(name);

            while (lexer.token() == Token.COMMA) {
                lexer.mark();
                lexer.nextToken();
                if (identifierEquals("CHANGE")) {
                    lexer.reset();
                    break;
                }

                if (lexer.token() == Token.IDENTIFIER) {
                    name = exprParser.name();
                    name.setParent(item);
                } else {
                    lexer.reset();
                    break;
                }
            }
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            accept(Token.EXISTS);
            stmt.setIfExists(true);
        }

        for (;;) {
            SQLName name = this.exprParser.name();
            stmt.getTableSources().add(new SQLExprTableSource(name));
            if (lexer.token() == Token.COMMA) {
                lexer.nextToken();
                continue;
            }
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  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlExprParser
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser
  • com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor
  • com.alibaba.druid.sql.dialect.odps.parser.OdpsCreateTableParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleCreateTableParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleDeleteParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser
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