Examples with CreateTable org.h2.command.ddl.CreateTable used on opensource projects

Example 6 with CreateTable

use of org.h2.command.ddl.CreateTable in project h2database by h2database.

the class MVTableEngine method createTable.

@Override
public TableBase createTable(CreateTableData data) {
    Database db = data.session.getDatabase();
    Store store = init(db);
    MVTable table = new MVTable(data, store);
    table.init(data.session);
    store.tableMap.put(table.getMapName(), table);
    return table;
}

Example 7 with CreateTable

use of org.h2.command.ddl.CreateTable in project ignite by apache.

the class GridSqlQueryParser method parseCreateTable.

/**
 * Parse {@code CREATE TABLE} statement.
 *
 * @param createTbl {@code CREATE TABLE} statement.
 * @see <a href="http://h2database.com/html/grammar.html#create_table">H2 {@code CREATE TABLE} spec.</a>
 */
private GridSqlCreateTable parseCreateTable(CreateTable createTbl) {
    GridSqlCreateTable res = new GridSqlCreateTable();
    res.templateName(QueryUtils.TEMPLATE_PARTITIONED);
    Query qry = CREATE_TABLE_QUERY.get(createTbl);
    if (qry != null) {
        throw new IgniteSQLException("CREATE TABLE ... AS ... syntax is not supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    List<DefineCommand> constraints = CREATE_TABLE_CONSTRAINTS.get(createTbl);
    if (F.isEmpty(constraints)) {
        throw new IgniteSQLException("No PRIMARY KEY defined for CREATE TABLE", IgniteQueryErrorCode.PARSING);
    }
    if (constraints.size() > 1) {
        throw new IgniteSQLException("Too many constraints - only PRIMARY KEY is supported for CREATE TABLE", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    DefineCommand constraint = constraints.get(0);
    if (!(constraint instanceof AlterTableAddConstraint)) {
        throw new IgniteSQLException("Unsupported type of constraint for CREATE TABLE - only PRIMARY KEY " + "is supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    AlterTableAddConstraint alterTbl = (AlterTableAddConstraint) constraint;
    if (alterTbl.getType() != Command.ALTER_TABLE_ADD_CONSTRAINT_PRIMARY_KEY) {
        throw new IgniteSQLException("Unsupported type of constraint for CREATE TABLE - only PRIMARY KEY " + "is supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    Schema schema = SCHEMA_COMMAND_SCHEMA.get(createTbl);
    res.schemaName(schema.getName());
    CreateTableData data = CREATE_TABLE_DATA.get(createTbl);
    if (data.globalTemporary) {
        throw new IgniteSQLException("GLOBAL TEMPORARY keyword is not supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    if (data.temporary) {
        throw new IgniteSQLException("TEMPORARY keyword is not supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    if (data.isHidden) {
        throw new IgniteSQLException("HIDDEN keyword is not supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    if (!data.persistIndexes) {
        throw new IgniteSQLException("MEMORY and NOT PERSISTENT keywords are not supported", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    LinkedHashMap<String, GridSqlColumn> cols = new LinkedHashMap<>(data.columns.size());
    for (Column col : data.columns) {
        if (cols.put(col.getName(), parseColumn(col)) != null)
            throw new IgniteSQLException("Duplicate column name: " + col.getName(), IgniteQueryErrorCode.PARSING);
    }
    if (cols.containsKey(QueryUtils.KEY_FIELD_NAME.toUpperCase()) || cols.containsKey(QueryUtils.VAL_FIELD_NAME.toUpperCase())) {
        throw new IgniteSQLException("Direct specification of _KEY and _VAL columns is forbidden", IgniteQueryErrorCode.PARSING);
    }
    IndexColumn[] pkIdxCols = CREATE_TABLE_PK.get(createTbl);
    if (F.isEmpty(pkIdxCols))
        throw new AssertionError("No PRIMARY KEY columns specified");
    LinkedHashSet<String> pkCols = new LinkedHashSet<>();
    for (IndexColumn pkIdxCol : pkIdxCols) {
        GridSqlColumn gridCol = cols.get(pkIdxCol.columnName);
        if (gridCol == null) {
            throw new IgniteSQLException("PRIMARY KEY column is not defined: " + pkIdxCol.columnName, IgniteQueryErrorCode.PARSING);
        }
        pkCols.add(gridCol.columnName());
    }
    int keyColsNum = pkCols.size();
    int valColsNum = cols.size() - keyColsNum;
    if (valColsNum == 0) {
        throw new IgniteSQLException("Table must have at least one non PRIMARY KEY column.", IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
    }
    res.columns(cols);
    res.primaryKeyColumns(pkCols);
    res.tableName(data.tableName);
    res.ifNotExists(CREATE_TABLE_IF_NOT_EXISTS.get(createTbl));
    List<String> extraParams = data.tableEngineParams != null ? new ArrayList<String>() : null;
    if (data.tableEngineParams != null)
        for (String s : data.tableEngineParams) extraParams.addAll(F.asList(s.split(",")));
    res.params(extraParams);
    if (!F.isEmpty(extraParams)) {
        Map<String, String> params = new HashMap<>();
        for (String p : extraParams) {
            String[] parts = p.split(PARAM_NAME_VALUE_SEPARATOR);
            if (parts.length > 2) {
                throw new IgniteSQLException("Invalid parameter (key[=value] expected): " + p, IgniteQueryErrorCode.PARSING);
            }
            String name = parts[0].trim().toUpperCase();
            String val = parts.length > 1 ? parts[1].trim() : null;
            if (F.isEmpty(name)) {
                throw new IgniteSQLException("Invalid parameter (key[=value] expected): " + p, IgniteQueryErrorCode.PARSING);
            }
            if (params.put(name, val) != null)
                throw new IgniteSQLException("Duplicate parameter: " + p, IgniteQueryErrorCode.PARSING);
        }
        for (Map.Entry<String, String> e : params.entrySet()) processExtraParam(e.getKey(), e.getValue(), res);
    }
    // Process key wrapping.
    Boolean wrapKey = res.wrapKey();
    if (wrapKey != null && !wrapKey) {
        if (keyColsNum > 1) {
            throw new IgniteSQLException(PARAM_WRAP_KEY + " cannot be false when composite primary key exists.", IgniteQueryErrorCode.PARSING);
        }
        if (!F.isEmpty(res.keyTypeName())) {
            throw new IgniteSQLException(PARAM_WRAP_KEY + " cannot be false when " + PARAM_KEY_TYPE + " is set.", IgniteQueryErrorCode.PARSING);
        }
    }
    boolean wrapKey0 = (res.wrapKey() != null && res.wrapKey()) || !F.isEmpty(res.keyTypeName()) || keyColsNum > 1;
    res.wrapKey(wrapKey0);
    // Process value wrapping.
    Boolean wrapVal = res.wrapValue();
    if (wrapVal != null && !wrapVal) {
        if (valColsNum > 1) {
            throw new IgniteSQLException(PARAM_WRAP_VALUE + " cannot be false when multiple non-primary key " + "columns exist.", IgniteQueryErrorCode.PARSING);
        }
        if (!F.isEmpty(res.valueTypeName())) {
            throw new IgniteSQLException(PARAM_WRAP_VALUE + " cannot be false when " + PARAM_VAL_TYPE + " is set.", IgniteQueryErrorCode.PARSING);
        }
        res.wrapValue(false);
    } else
        // By default value is always wrapped to allow for ALTER TABLE ADD COLUMN commands.
        res.wrapValue(true);
    if (!F.isEmpty(res.valueTypeName()) && F.eq(res.keyTypeName(), res.valueTypeName())) {
        throw new IgniteSQLException("Key and value type names " + "should be different for CREATE TABLE: " + res.valueTypeName(), IgniteQueryErrorCode.PARSING);
    }
    if (res.affinityKey() == null) {
        LinkedHashSet<String> pkCols0 = res.primaryKeyColumns();
        if (!F.isEmpty(pkCols0) && pkCols0.size() == 1 && wrapKey0)
            res.affinityKey(pkCols0.iterator().next());
    }
    return res;
}