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7 lines
4.0 KiB
7 lines
4.0 KiB
{ |
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"version": 3, |
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"sources": ["../src/deferrable.js"], |
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"sourcesContent": ["'use strict';\n\nconst { classToInvokable } = require('./utils');\n\nclass ABSTRACT {\n static toString(...args) {\n return new this().toString(...args);\n }\n\n toString(...args) {\n return this.toSql(...args);\n }\n\n toSql() {\n throw new Error('toSql implementation missing');\n }\n}\n\nclass INITIALLY_DEFERRED extends ABSTRACT {\n toSql() {\n return 'DEFERRABLE INITIALLY DEFERRED';\n }\n}\n\nclass INITIALLY_IMMEDIATE extends ABSTRACT {\n toSql() {\n return 'DEFERRABLE INITIALLY IMMEDIATE';\n }\n}\n\nclass NOT extends ABSTRACT {\n toSql() {\n return 'NOT DEFERRABLE';\n }\n}\n\nclass SET_DEFERRED extends ABSTRACT {\n constructor(constraints) {\n super();\n this.constraints = constraints;\n }\n\n toSql(queryGenerator) {\n return queryGenerator.setDeferredQuery(this.constraints);\n }\n}\n\nclass SET_IMMEDIATE extends ABSTRACT {\n constructor(constraints) {\n super();\n this.constraints = constraints;\n }\n\n toSql(queryGenerator) {\n return queryGenerator.setImmediateQuery(this.constraints);\n }\n}\n\n/**\n * A collection of properties related to deferrable constraints. It can be used to\n * make foreign key constraints deferrable and to set the constraints within a\n * transaction. This is only supported in PostgreSQL.\n *\n * The foreign keys can be configured like this. It will create a foreign key\n * that will check the constraints immediately when the data was inserted.\n *\n * ```js\n * sequelize.define('Model', {\n * foreign_id: {\n * type: Sequelize.INTEGER,\n * references: {\n * model: OtherModel,\n * key: 'id',\n * deferrable: Sequelize.Deferrable.INITIALLY_IMMEDIATE\n * }\n * }\n * });\n * ```\n *\n * The constraints can be configured in a transaction like this. It will\n * trigger a query once the transaction has been started and set the constraints\n * to be checked at the very end of the transaction.\n *\n * ```js\n * sequelize.transaction({\n * deferrable: Sequelize.Deferrable.SET_DEFERRED\n * });\n * ```\n *\n * @property INITIALLY_DEFERRED Use when declaring a constraint. Allow and enable by default this constraint's checks to be deferred at the end of transactions.\n * @property INITIALLY_IMMEDIATE Use when declaring a constraint. Allow the constraint's checks to be deferred at the end of transactions.\n * @property NOT Use when declaring a constraint. Set the constraint to not deferred. This is the default in PostgreSQL and makes it impossible to dynamically defer the constraints within a transaction.\n * @property SET_DEFERRED Use when declaring a transaction. Defer the deferrable checks involved in this transaction at commit.\n * @property SET_IMMEDIATE Use when declaring a transaction. Execute the deferrable checks involved in this transaction immediately.\n */\n\nconst Deferrable = {\n INITIALLY_DEFERRED: classToInvokable(INITIALLY_DEFERRED),\n INITIALLY_IMMEDIATE: classToInvokable(INITIALLY_IMMEDIATE),\n NOT: classToInvokable(NOT),\n SET_DEFERRED: classToInvokable(SET_DEFERRED),\n SET_IMMEDIATE: classToInvokable(SET_IMMEDIATE)\n};\n\nmodule.exports = Deferrable;\n"], |
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"names": [] |
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}
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