oracle-nosqldb

/*- * Copyright (c) 2018, 2024 Oracle and/or its affiliates. All rights reserved. * * Licensed under the Universal Permissive License v 1.0 as shown at * https://oss.oracle.com/licenses/upl/ */ import type { CapacityMode } from "./constants"; import type { PutOpt, DeleteOpt, WriteMultipleOpt } from "./opt"; import type { SyncPolicy, ReplicaAckPolicy } from "./durability"; import type { AnyRow, KeyField, RowKey, FieldValue } from "./data"; import type { OpaqueType } from "./type_utils"; import type { AuthorizationProvider } from "./auth/config"; /** * Cloud service only. * Note: this type is only relevant when using the driver with the Cloud * Service or Cloud Simulator. It is not relevant when using the driver * with on-premise NoSQL Database (see {@link ServiceType.KVSTORE}), in which * case it is ignored in the operations mentioned below and is not returned as * part of {@link TableResult }. * * A TableLimits object is used during table creation to specify the * throughput and capacity to be consumed by the table. It is also used * in an operation to change the limits of an existing table. These * operations are performed by {@link NoSQLClient#tableDDL} and * {@link NoSQLClient#setTableLimits} methods. The values provided are * enforced by the system and used for billing purposes. * * Throughput limits are defined in terms of read units and write units. A * read unit represents 1 eventually consistent read per second for data up to * 1 KB in size. A read that is absolutely consistent is double that, * consuming 2 read units for a read of up to 1 KB in size. This means that if * an application is to use {@link Consistency.ABSOLUTE} it may need to * specify additional read units when creating a table. A write unit * represents 1 write per second of data up to 1 KB in size. * * In addition to throughput, table capacity must be specified to indicate * the maximum amount of storage, in gigabytes, allowed for the table. * * In {@link CapacityMode.PROVISIONED} mode (the default), all 3 values must * be specified whenever using this object. There are no defaults and no * mechanism to indicate "no change." * * In {@link CapacityMode.ON_DEMAND} mode, only the storageGB parameter must * be specified. */ export interface TableLimits { /** * The desired throughput of read operation in terms of read units, as a * positive integer. A read unit represents 1 eventually consistent read * per second for data up to 1 KB in size. A read that is absolutely * consistent is double that, consuming 2 read units for a read of up to * 1 KB in size. * @see {@link Consistency} */ readUnits?: number; /** * The desired throughput of write operation in terms of write units, as a * positive integer. A write unit represents 1 write per second of data up * to 1 KB in size. */ writeUnits?: number; /** * The maximum storage to be consumed by the table, in gigabytes, as * positive integer. */ storageGB: number; /** * Capacity mode of the table, {@link CapacityMode.PROVISIONED} or * {@link CapacityMode.ON_DEMAND}. * @defaultValue {@link CapacityMode.PROVISIONED} */ mode?: CapacityMode; } /** * RowVersion is an opaque type that represents the version of a row in the * database. The driver uses Node.js Buffer to store the version. The * version is returned by successful {@link NoSQLClient#get} operation * and can be used by {@link NoSQLClient#put}, * {@link NoSQLClient#putIfVersion }, {@link NoSQLClient#delete} and * {@link NoSQLClient#deleteIfVersion } methods to conditionally perform those * operations to ensure an atomic read-modify-write cycle. This is an opaque * object from an application perspective. Use of {@link RowVersion} in this * way adds cost to operations so it should be done only if necessary. */ export type RowVersion = OpaqueType<Buffer, "RowVersion">; /** * An opaque type that represents continuation key for * {@link NoSQLClient#deleteRange}. It is used to perform an operation across * multiple calls to this method (such as in a loop until continuation * key becomes null). This is an opaque type from application perspective * and only values from previous results should be used. */ export type MultiDeleteContinuationKey = OpaqueType<Buffer, "MultiDeleteContinuationKey">; /** * An opaque type that represents continuation key for * {@link NoSQLClient#query}. It is used to perform an operation across * multiple calls to this method (such as in a loop until continuation * key becomes null). This is an opaque type from application perspective * and only values from previous results should be used. */ export type QueryContinuationKey = OpaqueType<Buffer, "QueryContinuationKey">; /** * Note: On-Prem only. * * Durability specifies the master and replica sync and ack policies to be * used for a write operation. * @see {@link SyncPolicy} * @see {@link ReplicaAckPolicy} */ export interface Durability { /** * The sync policy to use on the master node. */ masterSync: SyncPolicy; /** * The sync policy to use on a replica. */ replicaSync: SyncPolicy; /** * The replica acknowledgement policy * to be used. */ replicaAck: ReplicaAckPolicy; } /** * Used to specify time to live (TTL) for rows provided to * {@link NoSQLClient#put} and other put methods, such as * {@link NoSQLClient#putIfAbsent}, {@link NoSQLClient#putIfPresent} and * {@link NoSQLClient#putIfVersion}. * * TTL is restricted to durations of days and hours, with day being * 24 hours. Note that you may only specify only one of * {@link days} or {@link hours} fields, not both. * You may specify TTL as object such as \{ days: numDays \} or * \{ hours: numHours \}, or if you are using duration of days * you can specify TTL as just a number indicating number of days, so using * e.g. opt.ttl = 5; is also allowed. * * Sometimes you may may need to indicate explicitly that the record doesn't * expire. This is needed when you perform put operation on existing record * and want to remove its expiration. You may indicate no expiration * by setting days or hours of to Infinity (or just set TTL itself to * Infinity), or use constant {@link TTLUtil.DO_NOT_EXPIRE}. * * The record expiration time is determined as follows: * * Records expire on day or hour boundaries, depending on which 'days' or * 'hours' field is used. At the time of the write operation, the TTL * parameter is used to compute the record's expiration time by first * converting it from days (or hours) to milliseconds, and then adding it * to the current system time. If the resulting expiration time is not evenly * divisible by the number of milliseconds in one day (or hour), it is * rounded up to the nearest day (or hour). The day and hour boundaries (the * day boundary is at midnight) are considered in UTC time zone. * * The minimum TTL that can be specified is 1 hour. Because of the rounding * behavior described above, the actual record duration will be longer than * specified in the TTL (because of rounding up). * * Also note that using duration of days are recommended as it will result in * the least amount of storage overhead compared to duration of hours. * * {@link TTLUtil } class provides functions to create and manage TTL * instances and convert between TTL and record expiration time. * @see {@link TTLUtil} */ export interface TimeToLive { /** * Duration in days as positive integer or Infinity. Exclusive with * {@link TimeToLive#hours}. */ days?: number; /** * Duration in hours as positive integer or Infinity. Exclusive with * {@link TimeToLive#days}. */ hours?: number; } /** * FieldRange defines a range of values to be used in a * {@link NoSQLClient#deleteRange } operation, as specified in * opt.fieldRange for that operation. * * FieldRange is used as the least significant component in a partially * specified key value in order to create a value range for an operation that * returns multiple rows or keys. The data types supported by FieldRange are * limited to the atomic types which are valid for primary keys. * * The least significant component of a key is the first component of * the key that is not fully specified. For example, if the primary key for a * table is defined as the tuple <a, b, c> a FieldRange can be specified * for a if the primary key supplied is empty. A FieldRange can be * specified for b if the primary key supplied to the operation * has a concrete value for a but not for b or c. * * * This object is used to scope a {@link NoSQLClient#deleteRange} operation. * The fieldName specified must name a field in a table's primary key. * The values used must be of the same type and that type must match * the type of the field specified. * * * You may specify the {@link FieldValue} for lower bound, upper bound or * both. Each bound may be either inclusive, meaning the range starts with * (for lower bound) or ends with (for upper bound) with this value, or * exclusive, meaning the range starts after (for lower bound) or ends before * (for upper bound) the value. Properties {@link startWith} and * {@link endWith} specify inclusive bounds and properties {@link startAfter} * and {@link endBefore} specify exclusive bounds. Note that for each end of * the range you may specify either inclusive or exclusive bound, but not * both. * * Validation of this object is performed when it is used in an operation. * Validation includes verifying that the field is in the required key and, * in the case of a composite key, that the field is in the proper order * relative to the key used in the operation. */ export interface FieldRange { /** * Field name for the range. */ fieldName: string; /** * Field value for the lower bound of the range, inclusive. May be * undefined if no lower bound is enforced. May not be used together with * {@link startAfter}. */ startWith?: KeyField; /** * Field value for the lower bound of the range, exclusive. May be * undefined if no lower bound is enforced. May not be used together with * {@link startWith}. */ startAfter?: KeyField; /** * Field value for the upper bound of the range, inclusive. May be * undefined if no upper bound is enforced. May not be used together with * {@link endBefore}. */ endWith?: KeyField; /** * {@link KeyField} value for the upper bound of the range, exclusive. May * be undefined if no upper bound is enforced. May not be used together * with {@link endWith}. */ endBefore?: KeyField; } /** * Represents one of put or delete sub operations in the * operations array argument provided to * {@link NoSQLClient#writeMany} method. It contains row for put operation * (as put key) or primary key for delete operation (as * delete key) and may contain additional properties representing * options for this sub operation. These options are the same as used for * {@link NoSQLClient#put} and {@link NoSQLClient#delete} and they override * options specified in {@link WriteMultipleOpt}. * for this sub operation. Exceptions to this are * {@link WriteMultipleOpt#timeout}, {@link WriteMultipleOpt#compartment}, * {@link WriteMultipleOpt#namespace} and {@link WriteMultipleOpt#durability} * which cannot be specified per sub-operation, but only for the whole * {@link NoSQLClient#writeMany} operation. * * If issuing operations for multiple tables, you must also specify * {@link WriteOperation#tableName} for each operation. See * {@link NoSQLClient#writeMany } for more details. * * Note that in a more simple case where operations are for a single table and * are either all put or all delete and you don't need to * set per-operation options, you may prefer to use * {@link NoSQLClient#putMany} or {@link NoSQLClient#deleteMany} methods and * avoid using this type. * @typeParam TRow Type of table row instance. Must include primary key * fields. Defaults to {@link AnyRow}. */ export interface WriteOperation<TRow = AnyRow> { /** * Table name for the operation. Only needed when issuing operations for * multiple tables. This property is mutually exclusive with * tableName parameter to {@link NoSQLClient#writeMany}. */ tableName?: string; /** * Row for put operation, designates this operation as * put. One and only one of {@link put} or {@link delete} * properties must be set. */ put?: TRow; /** * Primary key for delete operation, designates this operation as * delete. One and only one of {@link put} or {@link delete} * properties must be set. * @see {@link RowKey} */ delete?: RowKey<TRow>; /** * If true, and if this operation fails, it will cause the entire * {@link NoSQLClient#writeMany} operation to abort. */ abortOnFail?: boolean; /** * Same as {@link PutOpt#ifAbsent}, valid only for put operation. */ ifAbsent?: boolean; /** * Same as {@link PutOpt#ifPresent}, valid only for put * operation. */ ifPresent?: boolean; /** * Same as {@link PutOpt#matchVersion} for put operation or * {@link DeleteOpt#matchVersion} for delete operation. */ matchVersion?: RowVersion; /** * Same as {@link PutOpt#ttl}, valid only for put operation. */ ttl?: TimeToLive | number; /** * Same as {@link PutOpt#updateTTLToDefault}, only valid for put * operation. */ updateTTLToDefault?: boolean; /** * Same as {@link PutOpt#exactMatch}, valid only for put * operation. */ exactMatch?: boolean; /** * Same as {@link PutOpt#returnExisting} for put operation or * {@link DeleteOpt#returnExisting} for delete operation. */ returnExisting?: boolean; /** * Same as {@link PutOpt#identityCacheSize}, valid only for put * operation. */ identityCacheSize?: number; } /** * Represents information about invocation of a method on {@link NoSQLClient} * instance. Contains the method that was called and its parameters including * the options opt parameter. Operation object may be used in the * following ways: * <ul> * <li>It is available as {@link NoSQLError#operation} property allowing the * error code to examine the operation that caused the error.</li> * <li>It is available as parameter to {@link NoSQLClient} events * allowing to customize the behavior of event hanlders depending on what * operation has caused the event.</li> * <li>It is available as parameter to methods of {@link RetryHandler}. * If the application is using custom retry handler, it can customize the * retry logic based on what operation has caused the retryable error.</li> * <li>It is available as parameter to * {@link AuthorizationProvider#getAuthorization} method of authorization * provider. If the application is using custom authorization mechanism, it * can customize its behavior based on what operation requires authorization. * </li> * </ul> * Note that the {@link Operation#opt} property also extends * {@link Config} object with which {@link NoSQLClient} instance was created, * so in addition to properties in opt argument you may use * {@link Operation#opt} to access all additional properties of * {@link Config}. * * Besides the properties described below, the remaining properties of * {@link Operation} object represent parameters passed to the * {@link NoSQLClient} method and are named as such. The values of these * properties are the values passed as corresponding parameters of the method. * E.g. if the method takes parameter tableName with value 'Employee' * then the {@link Operation} object will have property * tableName: 'Employee'. */ export interface Operation { /** * The API represented by the operation, which is the * instance method of {@link NoSQLClient} class. */ readonly api: Function; /** * opt parameter that is passed to {@link NoSQLClient} methods. * Extends {@link Config}. */ readonly opt?: object; /** * Parameters passed to {@link NoSQLClient} method. */ [name: string]: any; } /** * Cloud Service only. Represents table entity tag (ETag). * * Table ETag is an opaque value that represents the current * version of the table itself and can be used in table modification * operations such as {@link NoSQLClient#tableDDL}, * {@link NoSQLClient#setTableLimits} and {@link NoSQLClient#setTableTags} to * only perform them if the ETag for the table has not changed. This is an * optimistic concurrency control mechanism allowing an application to ensure * that no unexpected modifications have been made to the table. * * The value of the ETag passed to the table modification operations must be * the value {@link TableResult#etag} returned in the previous * {@link TableResult}. If set for on-premises service, the ETag is silently * ignored. */ export type TableETag = OpaqueType<string, "TableETag">; /** * Cloud Service only. Represents defined tags for a table. * * See chapter Tagging Overview in Oracle Cloud Infrastructure * documentation. Defined tags represent metadata managed by an administrator. * Users can apply these tags to a table by identifying the tag and supplying * its value. * * Each defined tag belongs to a namespace, where a namespace serves as a * container for tag keys. Defined tags are represented by a nested two-level * plain JavaScript object, with top-level keys representing tag namespaces * and the value of each key being an object containing tag keys and values * for a particular namespace. All tag values must be strings. * * Defined tags are used only in these cases: table creation operations * executed by {@link NoSQLClient#tableDDL} with CREATE TABLE SQL * statement and table tag modification operations executed by * {@link NoSQLClient#setTableTags}. They are not used for other table DDL * operations. If set for an on-premises service, they are silently ignored. */ export interface DefinedTags { [namespace: string]: { [key: string]: string; } } /** * Cloud Service only. Represents free-form tags for a table. * * See chapter Tagging Overview in Oracle Cloud Infrastructure * documentation. Free-form tags represent an unmanaged metadata created and * applied by the user. Free-form tags do not use namespaces. Free-form tags * are represented by a plain JavaScript object containing tag keys and * values. All tag values must be strings. * * Free-form tags are used only in these cases: table creation operations * executed by {@link NoSQLClient#tableDDL} with CREATE TABLE SQL * statement and table tag modification operations executed by * {@link NoSQLClient#setTableTags}. They are not used for other table DDL * operations. If set for an on-premises service, they are silently ignored. */ export interface FreeFormTags { [key: string]: string; }