Package org.apache.s4.schema

Examples of org.apache.s4.schema.Schema

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    }

    private CreateConstant parseCreateConstant() {
        boolean ifNotExists = readIfNoExists();
        String constantName = readIdentifierWithSchema();
        Schema schema = getSchema();
        if (isKeyword(constantName)) {
            throw DbException.get(ErrorCode.CONSTANT_ALREADY_EXISTS_1, constantName);
        }
        read("VALUE");
        Expression expr = readExpression();
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    }

    private CreateTrigger parseCreateTrigger(boolean force) {
        boolean ifNotExists = readIfNoExists();
        String triggerName = readIdentifierWithSchema(null);
        Schema schema = getSchema();
        boolean insteadOf, isBefore;
        if (readIf("INSTEAD")) {
            read("OF");
            isBefore = true;
            insteadOf = true;
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    }

    private Query parserWith() {
        readIf("RECURSIVE");
        String tempViewName = readIdentifierWithSchema();
        Schema schema = getSchema();
        Table recursiveTable;
        read("(");
        ArrayList<Column> columns = New.arrayList();
        String[] cols = parseColumnList();
        for (String c : cols) {
            columns.add(new Column(c, Value.STRING));
        }
        Table old = session.findLocalTempTable(tempViewName);
        if (old != null) {
            if (!(old instanceof TableView)) {
                throw DbException.get(ErrorCode.TABLE_OR_VIEW_ALREADY_EXISTS_1, tempViewName);
            }
            TableView tv = (TableView) old;
            if (!tv.isTableExpression()) {
                throw DbException.get(ErrorCode.TABLE_OR_VIEW_ALREADY_EXISTS_1, tempViewName);
            }
            session.removeLocalTempTable(old);
        }
        CreateTableData data = new CreateTableData();
        data.id = database.allocateObjectId();
        data.columns = columns;
        data.tableName = tempViewName;
        data.temporary = true;
        data.persistData = true;
        data.persistIndexes = false;
        data.create = true;
        data.session = session;
        recursiveTable = schema.createTable(data);
        session.addLocalTempTable(recursiveTable);
        String querySQL;
        try {
            read("AS");
            read("(");
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        }
    }

    private AlterIndexRename parseAlterIndex() {
        String indexName = readIdentifierWithSchema();
        Schema old = getSchema();
        AlterIndexRename command = new AlterIndexRename(session);
        command.setOldIndex(getSchema().getIndex(indexName));
        read("RENAME");
        read("TO");
        String newName = readIdentifierWithSchema(old.getName());
        checkSchema(old);
        command.setNewName(newName);
        return command;
    }
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        return command;
    }

    private AlterSchemaRename parseAlterSchema() {
        String schemaName = readIdentifierWithSchema();
        Schema old = getSchema();
        AlterSchemaRename command = new AlterSchemaRename(session);
        command.setOldSchema(getSchema(schemaName));
        read("RENAME");
        read("TO");
        String newName = readIdentifierWithSchema(old.getName());
        checkSchema(old);
        command.setNewName(newName);
        return command;
    }
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            return table;
        }
        String[] schemaNames = session.getSchemaSearchPath();
        if (schemaNames != null) {
            for (String name : schemaNames) {
                Schema s = database.getSchema(name);
                table = s.findTableOrView(session, tableName);
                if (table != null) {
                    return table;
                }
            }
        }
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    }

    private AlterTableAlterColumn parseAlterTableAddColumn(Table table) {
        readIf("COLUMN");
        boolean ifNotExists = readIfNoExists();
        Schema schema = table.getSchema();
        AlterTableAlterColumn command = new AlterTableAlterColumn(session, schema);
        command.setIfNotExists(ifNotExists);
        command.setType(CommandInterface.ALTER_TABLE_ADD_COLUMN);
        command.setTable(table);
        String columnName = readColumnIdentifier();
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            // support weird syntax: declare global temporary table session.xy
            // (...) not logged
            schemaName = session.getCurrentSchemaName();
            globalTemp = false;
        }
        Schema schema = getSchema();
        CreateTable command = new CreateTable(session, schema);
        command.setPersistIndexes(persistIndexes);
        command.setTemporary(temp);
        command.setGlobalTemporary(globalTemp);
        command.setIfNotExists(ifNotExists);
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    private int childCount;

    ResultTempTable(Session session, SortOrder sort) {
        this.session = session;
        this.sort = sort;
        Schema schema = session.getDatabase().getSchema(Constants.SCHEMA_MAIN);
        Column column = new Column(COLUMN_NAME, Value.ARRAY);
        column.setNullable(false);
        CreateTableData data = new CreateTableData();
        data.columns.add(column);
        data.id = session.getDatabase().allocateObjectId();
        data.tableName = "TEMP_RESULT_SET_" + data.id;
        data.temporary = true;
        data.persistIndexes = false;
        data.persistData = true;
        data.create = true;
        data.session = session;
        table = (RegularTable) schema.createTable(data);
        int indexId = session.getDatabase().allocateObjectId();
        IndexColumn indexColumn = new IndexColumn();
        indexColumn.column = column;
        indexColumn.columnName = COLUMN_NAME;
        IndexType indexType;
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     * @param query the query
     * @param topQuery the top level query
     * @return the view table
     */
    public static TableView createTempView(Session session, User owner, String name, Query query, Query topQuery) {
        Schema mainSchema = session.getDatabase().getSchema(Constants.SCHEMA_MAIN);
        String querySQL = query.getPlanSQL();
        TableView v = new TableView(mainSchema, 0, name, querySQL, query.getParameters(), null, session,
                false);
        if (v.createException != null) {
            throw v.createException;
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