Examples with IndexDefinition com.alibaba.cobar.parser.ast.fragment.ddl.index.IndexDefinition used on opensource projects

Example 1 with IndexDefinition

use of com.alibaba.cobar.parser.ast.fragment.ddl.index.IndexDefinition in project cobar by alibaba.

the class MySQLDDLParser method createTableDefs.

private void createTableDefs(DDLCreateTableStatement stmt) throws SQLSyntaxErrorException {
    if (lexer.token() != PUNC_LEFT_PAREN) {
        return;
    }
    match(PUNC_LEFT_PAREN);
    IndexDefinition indexDef;
    Identifier id;
    for (int i = 0; lexer.token() != PUNC_RIGHT_PAREN; ++i) {
        if (i > 0) {
            match(PUNC_COMMA);
        }
        switch(lexer.token()) {
            case KW_PRIMARY:
                lexer.nextToken();
                match(KW_KEY);
                indexDef = indexDefinition();
                stmt.setPrimaryKey(indexDef);
                break;
            case KW_INDEX:
            case KW_KEY:
                lexer.nextToken();
                if (lexer.token() == IDENTIFIER) {
                    id = identifier();
                } else {
                    id = null;
                }
                indexDef = indexDefinition();
                stmt.addIndex(id, indexDef);
                break;
            case KW_UNIQUE:
                switch(lexer.nextToken()) {
                    case KW_INDEX:
                    case KW_KEY:
                        lexer.nextToken();
                        break;
                }
                if (lexer.token() == IDENTIFIER) {
                    id = identifier();
                } else {
                    id = null;
                }
                indexDef = indexDefinition();
                stmt.addUniqueIndex(id, indexDef);
                break;
            case KW_FULLTEXT:
                switch(lexer.nextToken()) {
                    case KW_INDEX:
                    case KW_KEY:
                        lexer.nextToken();
                        break;
                }
                if (lexer.token() == IDENTIFIER) {
                    id = identifier();
                } else {
                    id = null;
                }
                indexDef = indexDefinition();
                if (indexDef.getIndexType() != null) {
                    throw new SQLSyntaxErrorException("FULLTEXT INDEX can specify no index_type");
                }
                stmt.addFullTextIndex(id, indexDef);
                break;
            case KW_SPATIAL:
                switch(lexer.nextToken()) {
                    case KW_INDEX:
                    case KW_KEY:
                        lexer.nextToken();
                        break;
                }
                if (lexer.token() == IDENTIFIER) {
                    id = identifier();
                } else {
                    id = null;
                }
                indexDef = indexDefinition();
                if (indexDef.getIndexType() != null) {
                    throw new SQLSyntaxErrorException("SPATIAL INDEX can specify no index_type");
                }
                stmt.addSpatialIndex(id, indexDef);
                break;
            case KW_CHECK:
                lexer.nextToken();
                match(PUNC_LEFT_PAREN);
                Expression expr = exprParser.expression();
                match(PUNC_RIGHT_PAREN);
                stmt.addCheck(expr);
                break;
            case IDENTIFIER:
                Identifier columnName = identifier();
                ColumnDefinition columnDef = columnDefinition();
                stmt.addColumnDefinition(columnName, columnDef);
                break;
            default:
                throw new SQLSyntaxErrorException("unsupportted column definition");
        }
    }
    match(PUNC_RIGHT_PAREN);
}

Example 2 with IndexDefinition

use of com.alibaba.cobar.parser.ast.fragment.ddl.index.IndexDefinition in project cobar by alibaba.

the class MySQLDDLParser method indexDefinition.

// col_name column_definition
// | [CONSTRAINT [symbol]] PRIMARY KEY [index_type] (index_col_name,...)
// [index_option] ...
// | {INDEX|KEY} [index_name] [index_type] (index_col_name,...)
// [index_option] ...
// | [CONSTRAINT [symbol]] UNIQUE [INDEX|KEY] [index_name] [index_type]
// (index_col_name,...) [index_option] ...
// | {FULLTEXT|SPATIAL} [INDEX|KEY] [index_name] (index_col_name,...)
// [index_option] ...
// | [CONSTRAINT [symbol]] FOREIGN KEY [index_name] (index_col_name,...)
// reference_definition
// | CHECK (expr)
private IndexDefinition indexDefinition() throws SQLSyntaxErrorException {
    IndexDefinition.IndexType indexType = null;
    List<IndexColumnName> columns = new ArrayList<IndexColumnName>(1);
    if (lexer.token() == KW_USING) {
        lexer.nextToken();
        int tp = matchIdentifier("BTREE", "HASH");
        indexType = tp == 0 ? IndexDefinition.IndexType.BTREE : IndexDefinition.IndexType.HASH;
    }
    match(PUNC_LEFT_PAREN);
    for (int i = 0; lexer.token() != PUNC_RIGHT_PAREN; ++i) {
        if (i > 0)
            match(PUNC_COMMA);
        IndexColumnName indexColumnName = indexColumnName();
        columns.add(indexColumnName);
    }
    match(PUNC_RIGHT_PAREN);
    List<IndexOption> options = indexOptions();
    return new IndexDefinition(indexType, columns, options);
}

Example 3 with IndexDefinition

use of com.alibaba.cobar.parser.ast.fragment.ddl.index.IndexDefinition in project cobar by alibaba.

the class MySQLDDLParser method alterTable.

/**
 * token of table name has been consumed
 *
 * @throws SQLSyntaxErrorException
 */
private DDLAlterTableStatement alterTable(DDLAlterTableStatement stmt) throws SQLSyntaxErrorException {
    TableOptions options = new TableOptions();
    stmt.setTableOptions(options);
    Identifier id = null;
    Identifier id2 = null;
    Identifier id3 = null;
    ColumnDefinition colDef = null;
    IndexDefinition indexDef = null;
    Expression expr = null;
    for (int i = 0; lexer.token() != EOF; ++i) {
        if (i > 0) {
            match(PUNC_COMMA);
        }
        if (tableOptions(options)) {
            continue;
        }
        main_switch: switch(lexer.token()) {
            case KW_CONVERT:
                // | CONVERT TO CHARACTER SET charset_name [COLLATE
                // collation_name]
                lexer.nextToken();
                match(KW_TO);
                match(KW_CHARACTER);
                match(KW_SET);
                id = identifier();
                id2 = null;
                if (lexer.token() == KW_COLLATE) {
                    lexer.nextToken();
                    id2 = identifier();
                }
                stmt.setConvertCharset(new Pair<Identifier, Identifier>(id, id2));
                break main_switch;
            case KW_RENAME:
                // | RENAME [TO] new_tbl_name
                if (lexer.nextToken() == KW_TO) {
                    lexer.nextToken();
                }
                id = identifier();
                stmt.setRenameTo(id);
                break main_switch;
            case KW_DROP:
                drop_switch: switch(lexer.nextToken()) {
                    case KW_INDEX:
                    case KW_KEY:
                        // | DROP {INDEX|KEY} index_name
                        lexer.nextToken();
                        id = identifier();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.DropIndex(id));
                        break drop_switch;
                    case KW_PRIMARY:
                        // | DROP PRIMARY KEY
                        lexer.nextToken();
                        match(KW_KEY);
                        stmt.addAlterSpecification(new DDLAlterTableStatement.DropPrimaryKey());
                        break drop_switch;
                    case IDENTIFIER:
                        // | DROP [COLUMN] col_name
                        id = identifier();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.DropColumn(id));
                        break drop_switch;
                    case KW_COLUMN:
                        // | DROP [COLUMN] col_name
                        lexer.nextToken();
                        id = identifier();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.DropColumn(id));
                        break drop_switch;
                    default:
                        throw new SQLSyntaxErrorException("ALTER TABLE error for DROP");
                }
                break main_switch;
            case KW_CHANGE:
                // [FIRST|AFTER col_name]
                if (lexer.nextToken() == KW_COLUMN) {
                    lexer.nextToken();
                }
                id = identifier();
                id2 = identifier();
                colDef = columnDefinition();
                if (lexer.token() == IDENTIFIER) {
                    if ("FIRST".equals(lexer.stringValueUppercase())) {
                        lexer.nextToken();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.ChangeColumn(id, id2, colDef, null));
                    } else if ("AFTER".equals(lexer.stringValueUppercase())) {
                        lexer.nextToken();
                        id3 = identifier();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.ChangeColumn(id, id2, colDef, id3));
                    } else {
                        stmt.addAlterSpecification(new DDLAlterTableStatement.ChangeColumn(id, id2, colDef));
                    }
                } else {
                    stmt.addAlterSpecification(new DDLAlterTableStatement.ChangeColumn(id, id2, colDef));
                }
                break main_switch;
            case KW_ALTER:
                // DEFAULT}
                if (lexer.nextToken() == KW_COLUMN) {
                    lexer.nextToken();
                }
                id = identifier();
                switch(lexer.token()) {
                    case KW_SET:
                        lexer.nextToken();
                        match(KW_DEFAULT);
                        expr = exprParser.expression();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AlterColumnDefaultVal(id, expr));
                        break;
                    case KW_DROP:
                        lexer.nextToken();
                        match(KW_DEFAULT);
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AlterColumnDefaultVal(id));
                        break;
                    default:
                        throw new SQLSyntaxErrorException("ALTER TABLE error for ALTER");
                }
                break main_switch;
            case KW_ADD:
                add_switch: switch(lexer.nextToken()) {
                    case IDENTIFIER:
                        // | ADD [COLUMN] col_name column_definition [FIRST | AFTER
                        // col_name ]
                        id = identifier();
                        colDef = columnDefinition();
                        if (lexer.token() == IDENTIFIER) {
                            if ("FIRST".equals(lexer.stringValueUppercase())) {
                                lexer.nextToken();
                                stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef, null));
                            } else if ("AFTER".equals(lexer.stringValueUppercase())) {
                                lexer.nextToken();
                                id2 = identifier();
                                stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef, id2));
                            } else {
                                stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef));
                            }
                        } else {
                            stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef));
                        }
                        break add_switch;
                    case PUNC_LEFT_PAREN:
                        // | ADD [COLUMN] (col_name column_definition,...)
                        lexer.nextToken();
                        for (int j = 0; lexer.token() != PUNC_RIGHT_PAREN; ++j) {
                            DDLAlterTableStatement.AddColumns addColumns = new DDLAlterTableStatement.AddColumns();
                            stmt.addAlterSpecification(addColumns);
                            if (j > 0) {
                                match(PUNC_COMMA);
                            }
                            id = identifier();
                            colDef = columnDefinition();
                            addColumns.addColumn(id, colDef);
                        }
                        match(PUNC_RIGHT_PAREN);
                        break add_switch;
                    case KW_COLUMN:
                        if (lexer.nextToken() == PUNC_LEFT_PAREN) {
                            // | ADD [COLUMN] (col_name column_definition,...)
                            lexer.nextToken();
                            for (int j = 0; lexer.token() != PUNC_RIGHT_PAREN; ++j) {
                                DDLAlterTableStatement.AddColumns addColumns = new DDLAlterTableStatement.AddColumns();
                                stmt.addAlterSpecification(addColumns);
                                if (j > 0) {
                                    match(PUNC_COMMA);
                                }
                                id = identifier();
                                colDef = columnDefinition();
                                addColumns.addColumn(id, colDef);
                            }
                            match(PUNC_RIGHT_PAREN);
                        } else {
                            // | ADD [COLUMN] col_name column_definition [FIRST |
                            // AFTER col_name ]
                            id = identifier();
                            colDef = columnDefinition();
                            if (lexer.token() == IDENTIFIER) {
                                if ("FIRST".equals(lexer.stringValueUppercase())) {
                                    lexer.nextToken();
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef, null));
                                } else if ("AFTER".equals(lexer.stringValueUppercase())) {
                                    lexer.nextToken();
                                    id2 = identifier();
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef, id2));
                                } else {
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef));
                                }
                            } else {
                                stmt.addAlterSpecification(new DDLAlterTableStatement.AddColumn(id, colDef));
                            }
                        }
                        break add_switch;
                    case KW_INDEX:
                    case KW_KEY:
                        // | ADD {INDEX|KEY} [index_name] [index_type]
                        // (index_col_name,...) [index_option] ...
                        id = null;
                        if (lexer.nextToken() == IDENTIFIER) {
                            id = identifier();
                        }
                        indexDef = indexDefinition();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AddIndex(id, indexDef));
                        break add_switch;
                    case KW_PRIMARY:
                        // | ADD PRIMARY KEY [index_type] (index_col_name,...)
                        // [index_option] ...
                        lexer.nextToken();
                        match(KW_KEY);
                        indexDef = indexDefinition();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AddPrimaryKey(indexDef));
                        break add_switch;
                    case KW_UNIQUE:
                        // (index_col_name,...) [index_option] ...
                        switch(lexer.nextToken()) {
                            case KW_INDEX:
                            case KW_KEY:
                                lexer.nextToken();
                        }
                        id = null;
                        if (lexer.token() == IDENTIFIER) {
                            id = identifier();
                        }
                        indexDef = indexDefinition();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AddUniqueKey(id, indexDef));
                        break add_switch;
                    case KW_FULLTEXT:
                        // (index_col_name,...) [index_option] ...
                        switch(lexer.nextToken()) {
                            case KW_INDEX:
                            case KW_KEY:
                                lexer.nextToken();
                        }
                        id = null;
                        if (lexer.token() == IDENTIFIER) {
                            id = identifier();
                        }
                        indexDef = indexDefinition();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AddFullTextIndex(id, indexDef));
                        break add_switch;
                    case KW_SPATIAL:
                        // (index_col_name,...) [index_option] ...
                        switch(lexer.nextToken()) {
                            case KW_INDEX:
                            case KW_KEY:
                                lexer.nextToken();
                        }
                        id = null;
                        if (lexer.token() == IDENTIFIER) {
                            id = identifier();
                        }
                        indexDef = indexDefinition();
                        stmt.addAlterSpecification(new DDLAlterTableStatement.AddSpatialIndex(id, indexDef));
                        break add_switch;
                    default:
                        throw new SQLSyntaxErrorException("ALTER TABLE error for ADD");
                }
                break main_switch;
            case IDENTIFIER:
                SpecialIdentifier si = specialIdentifiers.get(lexer.stringValueUppercase());
                if (si != null) {
                    switch(si) {
                        case IMPORT:
                            // | IMPORT TABLESPACE
                            lexer.nextToken();
                            matchIdentifier("TABLESPACE");
                            stmt.setImportTableSpace(true);
                            break main_switch;
                        case DISCARD:
                            // | DISCARD TABLESPACE
                            lexer.nextToken();
                            matchIdentifier("TABLESPACE");
                            stmt.setDiscardTableSpace(true);
                            break main_switch;
                        case ENABLE:
                            // | ENABLE KEYS
                            lexer.nextToken();
                            match(KW_KEYS);
                            stmt.setEnableKeys(true);
                            break main_switch;
                        case DISABLE:
                            // | DISABLE KEYS
                            lexer.nextToken();
                            match(KW_KEYS);
                            stmt.setDisableKeys(true);
                            break main_switch;
                        case MODIFY:
                            // AFTER col_name]
                            if (lexer.nextToken() == KW_COLUMN) {
                                lexer.nextToken();
                            }
                            id = identifier();
                            colDef = columnDefinition();
                            if (lexer.token() == IDENTIFIER) {
                                if ("FIRST".equals(lexer.stringValueUppercase())) {
                                    lexer.nextToken();
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.ModifyColumn(id, colDef, null));
                                } else if ("AFTER".equals(lexer.stringValueUppercase())) {
                                    lexer.nextToken();
                                    id2 = identifier();
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.ModifyColumn(id, colDef, id2));
                                } else {
                                    stmt.addAlterSpecification(new DDLAlterTableStatement.ModifyColumn(id, colDef));
                                }
                            } else {
                                stmt.addAlterSpecification(new DDLAlterTableStatement.ModifyColumn(id, colDef));
                            }
                            break main_switch;
                    }
                }
            default:
                throw new SQLSyntaxErrorException("unknown ALTER specification");
        }
    }
    return stmt;
}