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<!DOCTYPE html><html><head> <meta charset="utf-8"> <base data-ice="baseUrl"> <title data-ice="title">Index | Sequelize | The node.js ORM for PostgreSQL, MySQL, SQLite and MSSQL API Document</title> <link type="text/css" rel="stylesheet" href="/v4/css/style.css"> <link type="text/css" rel="stylesheet" href="/v4/css/prettify-tomorrow.css"> <script src="/v4/script/prettify/prettify.js"></script> <script src="/v4/script/manual.js"></script> <script data-ice="userScript" src="/v4/user/script/0-script.js"></script> <link data-ice="userStyle" rel="stylesheet" href="/v4/user/css/0-style.css"> <link data-ice="userStyle" rel="stylesheet" href="/v4/user/css/1-theme.css"> <link rel="shortcut icon" type="image/x-icon" href="/v4/favicon.ico"><meta name="robots" content="noindex"></head> <body class="layout-container" data-ice="rootContainer"> <header><a href="/v4/"><img src="/v4/manual/asset/logo-small.png" class="header-logo"></a> <a href="/v4/./">Home</a> <a href='/v4/identifiers'>Reference</a> <a href='/v4/source'>Source</a> <a data-ice="repoURL" href="https://github.com/sequelize/sequelize.git" class="repo-url-github">Repository</a><a href="https://sequelize.org/slack" class="slack-link"><img class="slack-logo" src="/v4/manual/asset/slack.svg">Join us on Slack</a> <div class="search-box"> <span> <img src="/v4/./image/search.png"> <span class="search-input-edge"></span><input class="search-input"><span class="search-input-edge"></span> </span> <ul class="search-result"></ul> </div> </header> <nav class="navigation" data-ice="nav"><div> <ul> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/model.js~model'>Model</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/query-interface.js~queryinterface'>QueryInterface</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/sequelize.js~sequelize'>Sequelize</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/transaction.js~transaction'>Transaction</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href='/v4/variable/#static-variable-DataTypes'>DataTypes</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href='/v4/variable/#static-variable-Deferrable'>Deferrable</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href='/v4/variable/#static-variable-Op'>Op</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href='/v4/variable/#static-variable-QueryTypes'>QueryTypes</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href='/v4/variable/#static-variable-TableHints'>TableHints</a></span></span></li> <li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">associations</div><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/associations/base.js~association'>Association</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/associations/belongs-to-many.js~belongstomany'>BelongsToMany</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/associations/belongs-to.js~belongsto'>BelongsTo</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/associations/has-many.js~hasmany'>HasMany</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/associations/has-one.js~hasone'>HasOne</a></span></span></li> <li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">errors</div><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~accessdeniederror'>AccessDeniedError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~associationerror'>AssociationError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~baseerror'>BaseError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~bulkrecorderror'>BulkRecordError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectionerror'>ConnectionError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectionrefusederror'>ConnectionRefusedError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectiontimedouterror'>ConnectionTimedOutError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~databaseerror'>DatabaseError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~eagerloadingerror'>EagerLoadingError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~emptyresulterror'>EmptyResultError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~exclusionconstrainterror'>ExclusionConstraintError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~foreignkeyconstrainterror'>ForeignKeyConstraintError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~hostnotfounderror'>HostNotFoundError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~hostnotreachableerror'>HostNotReachableError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~instanceerror'>InstanceError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~invalidconnectionerror'>InvalidConnectionError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~optimisticlockerror'>OptimisticLockError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~queryerror'>QueryError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~sequelizescopeerror'>SequelizeScopeError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~timeouterror'>TimeoutError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~uniqueconstrainterror'>UniqueConstraintError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~unknownconstrainterror'>UnknownConstraintError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~validationerror'>ValidationError</a></span></span></li> <li data-ice="doc"><span data-ice="kind" class="kind-class">C</span><span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~validationerroritem'>ValidationErrorItem</a></span></span></li> <li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">utils</div><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href='/v4/function/#static-function-isImmutable'>isImmutable</a></span></span></li> </ul> </div> </nav> <div class="content" data-ice="content"><h1>References</h1> <div data-ice="classSummary"><h2 id="class">Class Summary</h2><table class="summary" data-ice="summary"> <thead><tr><td data-ice="title" colspan="3">Static Public Class Summary</td></tr></thead> <tbody> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~accessdeniederror'>AccessDeniedError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database is refused due to insufficient privileges</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/associations/base.js~association'>Association</a></span></span> </p> </div> <div> <div data-ice="description"><p>Creating associations in sequelize is done by calling one of the belongsTo / hasOne / hasMany / belongsToMany functions on a model (the source), and providing another model as the first argument to the function (the target).</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~associationerror'>AssociationError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when an association is improperly constructed (see message for details)</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~baseerror'>BaseError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Sequelize provides a host of custom error classes, to allow you to do easier debugging.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/associations/belongs-to.js~belongsto'>BelongsTo</a></span></span> </p> </div> <div> <div data-ice="description"><p>One-to-one association</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/associations/belongs-to-many.js~belongstomany'>BelongsToMany</a></span></span> </p> </div> <div> <div data-ice="description"><p>Many-to-many association with a join table.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~bulkrecorderror'>BulkRecordError</a></span></span><span data-ice="signature">(error: <span>Error</span>, record: <span>Object</span>)</span> </p> </div> <div> <div data-ice="description"><p>Thrown when bulk operation fails, it represent per record level error.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectionerror'>ConnectionError</a></span></span> </p> </div> <div> <div data-ice="description"><p>A base class for all connection related errors.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectionrefusederror'>ConnectionRefusedError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database is refused</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~connectiontimedouterror'>ConnectionTimedOutError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database times out</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~databaseerror'>DatabaseError</a></span></span> </p> </div> <div> <div data-ice="description"><p>A base class for all database related errors.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~eagerloadingerror'>EagerLoadingError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when an include statement is improperly constructed (see message for details)</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~emptyresulterror'>EmptyResultError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a record was not found, Usually used with rejectOnEmpty mode (see message for details)</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~exclusionconstrainterror'>ExclusionConstraintError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when an exclusion constraint is violated in the database</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~foreignkeyconstrainterror'>ForeignKeyConstraintError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a foreign key constraint is violated in the database</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/associations/has-many.js~hasmany'>HasMany</a></span></span> </p> </div> <div> <div data-ice="description"><p>One-to-many association</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/associations/has-one.js~hasone'>HasOne</a></span></span> </p> </div> <div> <div data-ice="description"><p>One-to-one association</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~hostnotfounderror'>HostNotFoundError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database has a hostname that was not found</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~hostnotreachableerror'>HostNotReachableError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database has a hostname that was not reachable</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~instanceerror'>InstanceError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a some problem occurred with Instance methods (see message for details)</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~invalidconnectionerror'>InvalidConnectionError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a connection to a database has invalid values for any of the connection parameters</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/model.js~model'>Model</a></span></span> </p> </div> <div> <div data-ice="description"><p>A Model represents a table in the database.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~optimisticlockerror'>OptimisticLockError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when attempting to update a stale model instance</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~queryerror'>QueryError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a query is passed invalid options (see message for details)</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/query-interface.js~queryinterface'>QueryInterface</a></span></span> </p> </div> <div> <div data-ice="description"><p>The interface that Sequelize uses to talk to all databases</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/sequelize.js~sequelize'>Sequelize</a></span></span> </p> </div> <div> <div data-ice="description"><p>This is the main class, the entry point to sequelize.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~sequelizescopeerror'>SequelizeScopeError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Scope Error.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~timeouterror'>TimeoutError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a database query times out because of a deadlock</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/transaction.js~transaction'>Transaction</a></span></span> </p> </div> <div> <div data-ice="description"><p>The transaction object is used to identify a running transaction.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~uniqueconstrainterror'>UniqueConstraintError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when a unique constraint is violated in the database</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~unknownconstrainterror'>UnknownConstraintError</a></span></span> </p> </div> <div> <div data-ice="description"><p>Thrown when constraint name is not found in the database</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~validationerror'>ValidationError</a></span></span><span data-ice="signature">(message: <span>string</span>, errors: <span>Array</span>)</span> </p> </div> <div> <div data-ice="description"><p>Validation Error.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/class/lib/errors/index.js~validationerroritem'>ValidationErrorItem</a></span></span><span data-ice="signature">(message: <span>String</span>, type: <span>String</span>, path: <span>String</span>, value: <span>String</span>, inst: <span>Object</span>, validatorKey: <span>Object</span>, fnName: <span>String</span>, fnArgs: <span>String</span>)</span> </p> </div> <div> <div data-ice="description"><p>Validation Error Item Instances of this class are included in the <code>ValidationError.errors</code> property.</p> </div> </div> </td> <td> </td> </tr> </tbody> </table> </div> <div data-ice="functionSummary"><h2 id="function">Function Summary</h2><table class="summary" data-ice="summary"> <thead><tr><td data-ice="title" colspan="3">Static Public Function Summary</td></tr></thead> <tbody> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/function/#static-function-isImmutable'>isImmutable</a></span></span><span data-ice="signature">(value: <span>*</span>, validatorArgs: <span>*</span>, field: <span>*</span>, modelInstance: <span>*</span>): <span>*</span></span> </p> </div> <div> <div data-ice="description"><p>Instance based validators</p> </div> </div> </td> <td> </td> </tr> </tbody> </table> </div> <div data-ice="variableSummary"><h2 id="variable">Variable Summary</h2><table class="summary" data-ice="summary"> <thead><tr><td data-ice="title" colspan="3">Static Public Variable Summary</td></tr></thead> <tbody> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/variable/#static-variable-DataTypes'>DataTypes</a></span></span><span data-ice="signature">: <span>*</span></span> </p> </div> <div> <div data-ice="description"><p>A convenience class holding commonly used data types.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/variable/#static-variable-Deferrable'>Deferrable</a></span></span><span data-ice="signature">: <span>*</span></span> </p> </div> <div> <div data-ice="description"><p>A collection of properties related to deferrable constraints.</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/variable/#static-variable-Op'>Op</a></span></span><span data-ice="signature">: {"eq": <span>*</span>, "ne": <span>*</span>, "gte": <span>*</span>, "gt": <span>*</span>, "lte": <span>*</span>, "lt": <span>*</span>, "not": <span>*</span>, "is": <span>*</span>, "in": <span>*</span>, "notIn": <span>*</span>, "like": <span>*</span>, "notLike": <span>*</span>, "iLike": <span>*</span>, "notILike": <span>*</span>, "regexp": <span>*</span>, "notRegexp": <span>*</span>, "iRegexp": <span>*</span>, "notIRegexp": <span>*</span>, "between": <span>*</span>, "notBetween": <span>*</span>, "overlap": <span>*</span>, "contains": <span>*</span>, "contained": <span>*</span>, "adjacent": <span>*</span>, "strictLeft": <span>*</span>, "strictRight": <span>*</span>, "noExtendRight": <span>*</span>, "noExtendLeft": <span>*</span>, "and": <span>*</span>, "or": <span>*</span>, "any": <span>*</span>, "all": <span>*</span>, "values": <span>*</span>, "col": <span>*</span>, "placeholder": <span>*</span>, "join": <span>*</span>, "raw": <span>*</span>}</span> </p> </div> <div> <div data-ice="description"><p>Operator symbols to be used when querying data</p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/variable/#static-variable-QueryTypes'>QueryTypes</a></span></span><span data-ice="signature">: <span>*</span></span> </p> </div> <div> <div data-ice="description"><p>An enum of query types used by <code>sequelize.query</code></p> </div> </div> </td> <td> </td> </tr> <tr data-ice="target"> <td> <span class="access" data-ice="access">public</span> <span class="override" data-ice="override"></span> </td> <td> <div> <p> <span data-ice="name"><span><a href='/v4/variable/#static-variable-TableHints'>TableHints</a></span></span><span data-ice="signature">: <span>*</span></span> </p> </div> <div> <div data-ice="description"><p>An enum of table hints to be used in mssql for querying with table hints</p> </div> </div> </td> <td> </td> </tr> </tbody> </table> </div> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.5.2)</span><img 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