Package org.h2.schema

Examples of org.h2.schema.Schema

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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 Schema getSchema(String schemaName) {
        if (schemaName == null) {
            return null;
        }
        Schema schema = database.findSchema(schemaName);
        if (schema == null) {
            if (equalsToken("SESSION", schemaName)) {
                // for local temporary tables
                schema = database.getSchema(session.getCurrentSchemaName());
            } else if (database.getMode().sysDummy1 && "SYSIBM".equals(schemaName)) {
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            }
        } else if (readIf("VALUES")) {
            table = parseValuesTable().getTable();
        } else {
            String tableName = readIdentifierWithSchema(null);
            Schema schema = getSchema();
            if (readIf("(")) {
                Schema mainSchema = database.getSchema(Constants.SCHEMA_MAIN);
                if (equalsToken(tableName, RangeTable.NAME)) {
                    Expression min = readExpression();
                    read(",");
                    Expression max = readExpression();
                    read(")");
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        setSQL(command, "SELECT", start);
        return command;
    }

    private Table getDualTable(boolean noColumns) {
        Schema main = database.findSchema(Constants.SCHEMA_MAIN);
        Expression one = ValueExpression.get(ValueLong.get(1));
        return new RangeTable(main, one, one, noColumns);
    }
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        Expression expr = readWildcardOrSequenceValue(null, objectName);
        if (expr != null) {
            return expr;
        }
        String name = readColumnIdentifier();
        Schema s = database.findSchema(objectName);
        if (s != null && readIf("(")) {
            // only if the token before the dot is a valid schema name,
            // otherwise the old style Oracle outer join doesn't work:
            // t.x = t2.x(+)
            return readFunction(s, name);
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            }
            return parseCreateTable(false, false, cached);
        } else {
            boolean hash = false, primaryKey = false, unique = false;
            String indexName = null;
            Schema oldSchema = null;
            boolean ifNotExists = false;
            if (readIf("PRIMARY")) {
                read("KEY");
                if (readIf("HASH")) {
                    hash = true;
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        command.init();
        return command;
    }

    private TableFilter parseValuesTable() {
        Schema mainSchema = database.getSchema(Constants.SCHEMA_MAIN);
        TableFunction tf = (TableFunction) Function.getFunction(database, "TABLE");
        ArrayList<Column> columns = New.arrayList();
        ArrayList<ArrayList<Expression>> rows = New.arrayList();
        do {
            int i = 0;
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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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