Examples with GridQueryTypeDescriptor org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor used on opensource projects

Example 11 with GridQueryTypeDescriptor

use of org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor in project ignite by apache.

the class DmlStatementsProcessor method rowToKeyValue.

/**
     * Convert row presented as an array of Objects into key-value pair to be inserted to cache.
     * @param cctx Cache context.
     * @param row Row to process.
     * @param plan Update plan.
     * @throws IgniteCheckedException if failed.
     */
@SuppressWarnings({ "unchecked", "ConstantConditions", "ResultOfMethodCallIgnored" })
private IgniteBiTuple<?, ?> rowToKeyValue(GridCacheContext cctx, List<?> row, UpdatePlan plan) throws IgniteCheckedException {
    GridH2RowDescriptor rowDesc = plan.tbl.rowDescriptor();
    GridQueryTypeDescriptor desc = rowDesc.type();
    Object key = plan.keySupplier.apply(row);
    if (QueryUtils.isSqlType(desc.keyClass())) {
        assert plan.keyColIdx != -1;
        key = convert(key, rowDesc, desc.keyClass(), plan.colTypes[plan.keyColIdx]);
    }
    Object val = plan.valSupplier.apply(row);
    if (QueryUtils.isSqlType(desc.valueClass())) {
        assert plan.valColIdx != -1;
        val = convert(val, rowDesc, desc.valueClass(), plan.colTypes[plan.valColIdx]);
    }
    if (key == null)
        throw new IgniteSQLException("Key for INSERT or MERGE must not be null", IgniteQueryErrorCode.NULL_KEY);
    if (val == null)
        throw new IgniteSQLException("Value for INSERT or MERGE must not be null", IgniteQueryErrorCode.NULL_VALUE);
    Map<String, Object> newColVals = new HashMap<>();
    for (int i = 0; i < plan.colNames.length; i++) {
        if (i == plan.keyColIdx || i == plan.valColIdx)
            continue;
        String colName = plan.colNames[i];
        GridQueryProperty prop = desc.property(colName);
        assert prop != null;
        Class<?> expCls = prop.type();
        newColVals.put(colName, convert(row.get(i), rowDesc, expCls, plan.colTypes[i]));
    }
    // We update columns in the order specified by the table for a reason - table's
    // column order preserves their precedence for correct update of nested properties.
    Column[] cols = plan.tbl.getColumns();
    // First 3 columns are _key, _val and _ver. Skip 'em.
    for (int i = DEFAULT_COLUMNS_COUNT; i < cols.length; i++) {
        if (plan.tbl.rowDescriptor().isKeyValueOrVersionColumn(i))
            continue;
        String colName = cols[i].getName();
        if (!newColVals.containsKey(colName))
            continue;
        Object colVal = newColVals.get(colName);
        desc.setValue(colName, key, val, colVal);
    }
    if (cctx.binaryMarshaller()) {
        if (key instanceof BinaryObjectBuilder)
            key = ((BinaryObjectBuilder) key).build();
        if (val instanceof BinaryObjectBuilder)
            val = ((BinaryObjectBuilder) val).build();
    }
    return new IgniteBiTuple<>(key, val);
}

Example 12 with GridQueryTypeDescriptor

use of org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor in project ignite by apache.

the class JdbcRequestHandler method getSchemas.

/**
 * @param req Request.
 * @return Response.
 */
private ClientListenerResponse getSchemas(JdbcMetaSchemasRequest req) {
    try {
        String schemaPtrn = req.schemaName();
        Set<String> schemas = new HashSet<>();
        for (String cacheName : ctx.cache().publicCacheNames()) {
            for (GridQueryTypeDescriptor table : ctx.query().types(cacheName)) {
                if (matches(table.schemaName(), schemaPtrn))
                    schemas.add(table.schemaName());
            }
        }
        return new JdbcResponse(new JdbcMetaSchemasResult(schemas));
    } catch (Exception e) {
        U.error(log, "Failed to get schemas metadata [reqId=" + req.requestId() + ", req=" + req + ']', e);
        return exceptionToResult(e);
    }
}

Example 13 with GridQueryTypeDescriptor

use of org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor in project ignite by apache.

the class JdbcRequestHandler method getPrimaryKeys.

/**
 * @param req Request.
 * @return Response.
 */
private ClientListenerResponse getPrimaryKeys(JdbcMetaPrimaryKeysRequest req) {
    try {
        Collection<JdbcPrimaryKeyMeta> meta = new HashSet<>();
        for (String cacheName : ctx.cache().publicCacheNames()) {
            for (GridQueryTypeDescriptor table : ctx.query().types(cacheName)) {
                if (!matches(table.schemaName(), req.schemaName()))
                    continue;
                if (!matches(table.tableName(), req.tableName()))
                    continue;
                List<String> fields = new ArrayList<>();
                for (String field : table.fields().keySet()) {
                    if (table.property(field).key())
                        fields.add(field);
                }
                final String keyName = table.keyFieldName() == null ? "PK_" + table.schemaName() + "_" + table.tableName() : table.keyFieldName();
                if (fields.isEmpty()) {
                    meta.add(new JdbcPrimaryKeyMeta(table.schemaName(), table.tableName(), keyName, Collections.singletonList("_KEY")));
                } else
                    meta.add(new JdbcPrimaryKeyMeta(table.schemaName(), table.tableName(), keyName, fields));
            }
        }
        return new JdbcResponse(new JdbcMetaPrimaryKeysResult(meta));
    } catch (Exception e) {
        U.error(log, "Failed to get parameters metadata [reqId=" + req.requestId() + ", req=" + req + ']', e);
        return exceptionToResult(e);
    }
}

Example 14 with GridQueryTypeDescriptor

use of org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor in project ignite by apache.

the class DdlStatementsProcessor method runDdlStatement.

/**
 * Run DDL statement.
 *
 * @param sql Original SQL.
 * @param cmd Command.
 * @return Result.
 * @throws IgniteCheckedException On error.
 */
@SuppressWarnings("unchecked")
public FieldsQueryCursor<List<?>> runDdlStatement(String sql, SqlCommand cmd) throws IgniteCheckedException {
    IgniteInternalFuture fut = null;
    try {
        if (cmd instanceof SqlCreateIndexCommand) {
            SqlCreateIndexCommand cmd0 = (SqlCreateIndexCommand) cmd;
            GridH2Table tbl = idx.dataTable(cmd0.schemaName(), cmd0.tableName());
            if (tbl == null)
                throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd0.tableName());
            assert tbl.rowDescriptor() != null;
            isDdlSupported(tbl);
            QueryIndex newIdx = new QueryIndex();
            newIdx.setName(cmd0.indexName());
            newIdx.setIndexType(cmd0.spatial() ? QueryIndexType.GEOSPATIAL : QueryIndexType.SORTED);
            LinkedHashMap<String, Boolean> flds = new LinkedHashMap<>();
            // Let's replace H2's table and property names by those operated by GridQueryProcessor.
            GridQueryTypeDescriptor typeDesc = tbl.rowDescriptor().type();
            for (SqlIndexColumn col : cmd0.columns()) {
                GridQueryProperty prop = typeDesc.property(col.name());
                if (prop == null)
                    throw new SchemaOperationException(SchemaOperationException.CODE_COLUMN_NOT_FOUND, col.name());
                flds.put(prop.name(), !col.descending());
            }
            newIdx.setFields(flds);
            newIdx.setInlineSize(cmd0.inlineSize());
            fut = ctx.query().dynamicIndexCreate(tbl.cacheName(), cmd.schemaName(), typeDesc.tableName(), newIdx, cmd0.ifNotExists(), cmd0.parallel());
        } else if (cmd instanceof SqlDropIndexCommand) {
            SqlDropIndexCommand cmd0 = (SqlDropIndexCommand) cmd;
            GridH2Table tbl = idx.dataTableForIndex(cmd0.schemaName(), cmd0.indexName());
            if (tbl != null) {
                isDdlSupported(tbl);
                fut = ctx.query().dynamicIndexDrop(tbl.cacheName(), cmd0.schemaName(), cmd0.indexName(), cmd0.ifExists());
            } else {
                if (cmd0.ifExists())
                    fut = new GridFinishedFuture();
                else
                    throw new SchemaOperationException(SchemaOperationException.CODE_INDEX_NOT_FOUND, cmd0.indexName());
            }
        } else if (cmd instanceof SqlAlterTableCommand) {
            SqlAlterTableCommand cmd0 = (SqlAlterTableCommand) cmd;
            GridH2Table tbl = idx.dataTable(cmd0.schemaName(), cmd0.tableName());
            if (tbl == null) {
                ctx.cache().createMissingQueryCaches();
                tbl = idx.dataTable(cmd0.schemaName(), cmd0.tableName());
            }
            if (tbl == null) {
                throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd0.tableName());
            }
            Boolean logging = cmd0.logging();
            assert logging != null : "Only LOGGING/NOLOGGING are supported at the moment.";
            IgniteCluster cluster = ctx.grid().cluster();
            if (logging) {
                boolean res = cluster.enableWal(tbl.cacheName());
                if (!res)
                    throw new IgniteSQLException("Logging already enabled for table: " + cmd0.tableName());
            } else {
                boolean res = cluster.disableWal(tbl.cacheName());
                if (!res)
                    throw new IgniteSQLException("Logging already disabled for table: " + cmd0.tableName());
            }
            fut = new GridFinishedFuture();
        } else if (cmd instanceof SqlCreateUserCommand) {
            SqlCreateUserCommand addCmd = (SqlCreateUserCommand) cmd;
            ctx.authentication().addUser(addCmd.userName(), addCmd.password());
        } else if (cmd instanceof SqlAlterUserCommand) {
            SqlAlterUserCommand altCmd = (SqlAlterUserCommand) cmd;
            ctx.authentication().updateUser(altCmd.userName(), altCmd.password());
        } else if (cmd instanceof SqlDropUserCommand) {
            SqlDropUserCommand dropCmd = (SqlDropUserCommand) cmd;
            ctx.authentication().removeUser(dropCmd.userName());
        } else
            throw new IgniteSQLException("Unsupported DDL operation: " + sql, IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
        if (fut != null)
            fut.get();
        return H2Utils.zeroCursor();
    } catch (SchemaOperationException e) {
        throw convert(e);
    } catch (IgniteSQLException e) {
        throw e;
    } catch (Exception e) {
        throw new IgniteSQLException(e.getMessage(), e);
    }
}

Example 15 with GridQueryTypeDescriptor

use of org.apache.ignite.internal.processors.query.GridQueryTypeDescriptor in project ignite by apache.

the class DdlStatementsProcessor method runDdlStatement.

/**
 * Execute DDL statement.
 *
 * @param sql SQL.
 * @param prepared Prepared.
 * @return Cursor on query results.
 * @throws IgniteCheckedException On error.
 */
@SuppressWarnings({ "unchecked", "ThrowableResultOfMethodCallIgnored" })
public FieldsQueryCursor<List<?>> runDdlStatement(String sql, Prepared prepared) throws IgniteCheckedException {
    IgniteInternalFuture fut = null;
    try {
        GridSqlStatement stmt0 = new GridSqlQueryParser(false).parse(prepared);
        if (stmt0 instanceof GridSqlCreateIndex) {
            GridSqlCreateIndex cmd = (GridSqlCreateIndex) stmt0;
            GridH2Table tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            if (tbl == null)
                throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd.tableName());
            assert tbl.rowDescriptor() != null;
            isDdlSupported(tbl);
            QueryIndex newIdx = new QueryIndex();
            newIdx.setName(cmd.index().getName());
            newIdx.setIndexType(cmd.index().getIndexType());
            LinkedHashMap<String, Boolean> flds = new LinkedHashMap<>();
            // Let's replace H2's table and property names by those operated by GridQueryProcessor.
            GridQueryTypeDescriptor typeDesc = tbl.rowDescriptor().type();
            for (Map.Entry<String, Boolean> e : cmd.index().getFields().entrySet()) {
                GridQueryProperty prop = typeDesc.property(e.getKey());
                if (prop == null)
                    throw new SchemaOperationException(SchemaOperationException.CODE_COLUMN_NOT_FOUND, e.getKey());
                flds.put(prop.name(), e.getValue());
            }
            newIdx.setFields(flds);
            fut = ctx.query().dynamicIndexCreate(tbl.cacheName(), cmd.schemaName(), typeDesc.tableName(), newIdx, cmd.ifNotExists(), 0);
        } else if (stmt0 instanceof GridSqlDropIndex) {
            GridSqlDropIndex cmd = (GridSqlDropIndex) stmt0;
            GridH2Table tbl = idx.dataTableForIndex(cmd.schemaName(), cmd.indexName());
            if (tbl != null) {
                isDdlSupported(tbl);
                fut = ctx.query().dynamicIndexDrop(tbl.cacheName(), cmd.schemaName(), cmd.indexName(), cmd.ifExists());
            } else {
                if (cmd.ifExists())
                    fut = new GridFinishedFuture();
                else
                    throw new SchemaOperationException(SchemaOperationException.CODE_INDEX_NOT_FOUND, cmd.indexName());
            }
        } else if (stmt0 instanceof GridSqlCreateTable) {
            GridSqlCreateTable cmd = (GridSqlCreateTable) stmt0;
            if (!F.eq(QueryUtils.DFLT_SCHEMA, cmd.schemaName()))
                throw new SchemaOperationException("CREATE TABLE can only be executed on " + QueryUtils.DFLT_SCHEMA + " schema.");
            GridH2Table tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            if (tbl != null) {
                if (!cmd.ifNotExists())
                    throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_EXISTS, cmd.tableName());
            } else {
                QueryEntity e = toQueryEntity(cmd);
                CacheConfiguration<?, ?> ccfg = new CacheConfiguration<>(cmd.tableName());
                ccfg.setQueryEntities(Collections.singleton(e));
                ccfg.setSqlSchema(cmd.schemaName());
                SchemaOperationException err = QueryUtils.checkQueryEntityConflicts(ccfg, ctx.cache().cacheDescriptors().values());
                if (err != null)
                    throw err;
                ctx.query().dynamicTableCreate(cmd.schemaName(), e, cmd.templateName(), cmd.cacheName(), cmd.cacheGroup(), cmd.dataRegionName(), cmd.affinityKey(), cmd.atomicityMode(), cmd.writeSynchronizationMode(), cmd.backups(), cmd.ifNotExists());
            }
        } else if (stmt0 instanceof GridSqlDropTable) {
            GridSqlDropTable cmd = (GridSqlDropTable) stmt0;
            if (!F.eq(QueryUtils.DFLT_SCHEMA, cmd.schemaName()))
                throw new SchemaOperationException("DROP TABLE can only be executed on " + QueryUtils.DFLT_SCHEMA + " schema.");
            GridH2Table tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            if (tbl == null && cmd.ifExists()) {
                ctx.cache().createMissingQueryCaches();
                tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            }
            if (tbl == null) {
                if (!cmd.ifExists())
                    throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd.tableName());
            } else
                ctx.query().dynamicTableDrop(tbl.cacheName(), cmd.tableName(), cmd.ifExists());
        } else if (stmt0 instanceof GridSqlAlterTableAddColumn) {
            GridSqlAlterTableAddColumn cmd = (GridSqlAlterTableAddColumn) stmt0;
            GridH2Table tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            if (tbl == null && cmd.ifTableExists()) {
                ctx.cache().createMissingQueryCaches();
                tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            }
            if (tbl == null) {
                if (!cmd.ifTableExists())
                    throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd.tableName());
            } else {
                if (QueryUtils.isSqlType(tbl.rowDescriptor().type().valueClass()))
                    throw new SchemaOperationException("Cannot add column(s) because table was created " + "with " + PARAM_WRAP_VALUE + "=false option.");
                List<QueryField> cols = new ArrayList<>(cmd.columns().length);
                boolean allFieldsNullable = true;
                for (GridSqlColumn col : cmd.columns()) {
                    if (tbl.doesColumnExist(col.columnName())) {
                        if ((!cmd.ifNotExists() || cmd.columns().length != 1)) {
                            throw new SchemaOperationException(SchemaOperationException.CODE_COLUMN_EXISTS, col.columnName());
                        } else {
                            cols = null;
                            break;
                        }
                    }
                    QueryField field = new QueryField(col.columnName(), DataType.getTypeClassName(col.column().getType()), col.column().isNullable(), col.defaultValue());
                    cols.add(field);
                    allFieldsNullable &= field.isNullable();
                }
                if (cols != null) {
                    assert tbl.rowDescriptor() != null;
                    if (!allFieldsNullable)
                        QueryUtils.checkNotNullAllowed(tbl.cache().config());
                    fut = ctx.query().dynamicColumnAdd(tbl.cacheName(), cmd.schemaName(), tbl.rowDescriptor().type().tableName(), cols, cmd.ifTableExists(), cmd.ifNotExists());
                }
            }
        } else if (stmt0 instanceof GridSqlAlterTableDropColumn) {
            GridSqlAlterTableDropColumn cmd = (GridSqlAlterTableDropColumn) stmt0;
            GridH2Table tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            if (tbl == null && cmd.ifTableExists()) {
                ctx.cache().createMissingQueryCaches();
                tbl = idx.dataTable(cmd.schemaName(), cmd.tableName());
            }
            if (tbl == null) {
                if (!cmd.ifTableExists())
                    throw new SchemaOperationException(SchemaOperationException.CODE_TABLE_NOT_FOUND, cmd.tableName());
            } else {
                assert tbl.rowDescriptor() != null;
                if (QueryUtils.isSqlType(tbl.rowDescriptor().type().valueClass()))
                    throw new SchemaOperationException("Cannot drop column(s) because table was created " + "with " + PARAM_WRAP_VALUE + "=false option.");
                List<String> cols = new ArrayList<>(cmd.columns().length);
                GridQueryTypeDescriptor type = tbl.rowDescriptor().type();
                for (String colName : cmd.columns()) {
                    if (!tbl.doesColumnExist(colName)) {
                        if ((!cmd.ifExists() || cmd.columns().length != 1)) {
                            throw new SchemaOperationException(SchemaOperationException.CODE_COLUMN_NOT_FOUND, colName);
                        } else {
                            cols = null;
                            break;
                        }
                    }
                    SchemaOperationException err = QueryUtils.validateDropColumn(type, colName);
                    if (err != null)
                        throw err;
                    cols.add(colName);
                }
                if (cols != null) {
                    fut = ctx.query().dynamicColumnRemove(tbl.cacheName(), cmd.schemaName(), type.tableName(), cols, cmd.ifTableExists(), cmd.ifExists());
                }
            }
        } else
            throw new IgniteSQLException("Unsupported DDL operation: " + sql, IgniteQueryErrorCode.UNSUPPORTED_OPERATION);
        if (fut != null)
            fut.get();
        QueryCursorImpl<List<?>> resCur = (QueryCursorImpl<List<?>>) new QueryCursorImpl(Collections.singletonList(Collections.singletonList(0L)), null, false);
        resCur.fieldsMeta(UPDATE_RESULT_META);
        return resCur;
    } catch (SchemaOperationException e) {
        U.error(null, "DDL operation failure", e);
        throw convert(e);
    } catch (IgniteSQLException e) {
        throw e;
    } catch (Exception e) {
        throw new IgniteSQLException(e.getMessage(), e);
    }
}