Examples with QueryEntity org.apache.ignite.cache.QueryEntity used on opensource projects

Example 61 with QueryEntity

use of org.apache.ignite.cache.QueryEntity 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);
    }
}

Example 62 with QueryEntity

use of org.apache.ignite.cache.QueryEntity in project ignite by apache.

the class DdlStatementsProcessor method toQueryEntity.

/**
 * Convert this statement to query entity and do Ignite specific sanity checks on the way.
 * @return Query entity mimicking this SQL statement.
 */
private static QueryEntity toQueryEntity(GridSqlCreateTable createTbl) {
    QueryEntity res = new QueryEntity();
    res.setTableName(createTbl.tableName());
    Set<String> notNullFields = null;
    HashMap<String, Object> dfltValues = new HashMap<>();
    for (Map.Entry<String, GridSqlColumn> e : createTbl.columns().entrySet()) {
        GridSqlColumn gridCol = e.getValue();
        Column col = gridCol.column();
        res.addQueryField(e.getKey(), DataType.getTypeClassName(col.getType()), null);
        if (!col.isNullable()) {
            if (notNullFields == null)
                notNullFields = new HashSet<>();
            notNullFields.add(e.getKey());
        }
        Object dfltVal = gridCol.defaultValue();
        if (dfltVal != null)
            dfltValues.put(e.getKey(), dfltVal);
    }
    if (!F.isEmpty(dfltValues))
        res.setDefaultFieldValues(dfltValues);
    String valTypeName = QueryUtils.createTableValueTypeName(createTbl.schemaName(), createTbl.tableName());
    String keyTypeName = QueryUtils.createTableKeyTypeName(valTypeName);
    if (!F.isEmpty(createTbl.keyTypeName()))
        keyTypeName = createTbl.keyTypeName();
    if (!F.isEmpty(createTbl.valueTypeName()))
        valTypeName = createTbl.valueTypeName();
    assert createTbl.wrapKey() != null;
    assert createTbl.wrapValue() != null;
    if (!createTbl.wrapKey()) {
        GridSqlColumn pkCol = createTbl.columns().get(createTbl.primaryKeyColumns().iterator().next());
        keyTypeName = DataType.getTypeClassName(pkCol.column().getType());
        res.setKeyFieldName(pkCol.columnName());
    } else
        res.setKeyFields(createTbl.primaryKeyColumns());
    if (!createTbl.wrapValue()) {
        GridSqlColumn valCol = null;
        for (Map.Entry<String, GridSqlColumn> e : createTbl.columns().entrySet()) {
            if (!createTbl.primaryKeyColumns().contains(e.getKey())) {
                valCol = e.getValue();
                break;
            }
        }
        assert valCol != null;
        valTypeName = DataType.getTypeClassName(valCol.column().getType());
        res.setValueFieldName(valCol.columnName());
    }
    res.setValueType(valTypeName);
    res.setKeyType(keyTypeName);
    if (!F.isEmpty(notNullFields)) {
        QueryEntityEx res0 = new QueryEntityEx(res);
        res0.setNotNullFields(notNullFields);
        res = res0;
    }
    return res;
}

Example 63 with QueryEntity

use of org.apache.ignite.cache.QueryEntity in project ignite by apache.

the class DemoCachesLoadService method cacheParking.

/**
 * Configure cacheEmployee.
 */
private static CacheConfiguration cacheParking() {
    CacheConfiguration ccfg = cacheConfiguration(PARKING_CACHE_NAME);
    // Configure cacheParking types.
    Collection<QueryEntity> qryEntities = new ArrayList<>();
    // PARKING.
    QueryEntity type = new QueryEntity();
    qryEntities.add(type);
    type.setKeyType(Integer.class.getName());
    type.setValueType(Parking.class.getName());
    // Query fields for PARKING.
    LinkedHashMap<String, String> qryFlds = new LinkedHashMap<>();
    qryFlds.put("id", "java.lang.Integer");
    qryFlds.put("name", "java.lang.String");
    qryFlds.put("capacity", "java.lang.Integer");
    type.setFields(qryFlds);
    ccfg.setQueryEntities(qryEntities);
    return ccfg;
}

Example 64 with QueryEntity

use of org.apache.ignite.cache.QueryEntity in project ignite by apache.

the class DemoCachesLoadService method cacheDepartment.

/**
 * Configure cacheEmployee.
 */
private static CacheConfiguration cacheDepartment() {
    CacheConfiguration ccfg = cacheConfiguration(DEPARTMENT_CACHE_NAME);
    // Configure cacheDepartment types.
    Collection<QueryEntity> qryEntities = new ArrayList<>();
    // DEPARTMENT.
    QueryEntity type = new QueryEntity();
    qryEntities.add(type);
    type.setKeyType(Integer.class.getName());
    type.setValueType(Department.class.getName());
    // Query fields for DEPARTMENT.
    LinkedHashMap<String, String> qryFlds = new LinkedHashMap<>();
    qryFlds.put("id", "java.lang.Integer");
    qryFlds.put("countryId", "java.lang.Integer");
    qryFlds.put("name", "java.lang.String");
    type.setFields(qryFlds);
    ccfg.setQueryEntities(qryEntities);
    return ccfg;
}

Example 65 with QueryEntity

use of org.apache.ignite.cache.QueryEntity in project ignite by apache.

the class DemoCachesLoadService method cacheCar.

/**
 * Configure cacheEmployee.
 */
private static CacheConfiguration cacheCar() {
    CacheConfiguration ccfg = cacheConfiguration(CAR_CACHE_NAME);
    // Configure cacheCar types.
    Collection<QueryEntity> qryEntities = new ArrayList<>();
    // CAR.
    QueryEntity type = new QueryEntity();
    qryEntities.add(type);
    type.setKeyType(Integer.class.getName());
    type.setValueType(Car.class.getName());
    // Query fields for CAR.
    LinkedHashMap<String, String> qryFlds = new LinkedHashMap<>();
    qryFlds.put("id", "java.lang.Integer");
    qryFlds.put("parkingId", "java.lang.Integer");
    qryFlds.put("name", "java.lang.String");
    type.setFields(qryFlds);
    ccfg.setQueryEntities(qryEntities);
    return ccfg;
}