sequelize/lib/dialects/oracle/index.js

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

"use strict";
const _ = require("lodash");
const { AbstractDialect } = require("../abstract");
const { OracleConnectionManager } = require("./connection-manager");
const { OracleQuery } = require("./query");
const { OracleQueryGenerator } = require("./query-generator");
const DataTypes = require("../../data-types").oracle;
const { OracleQueryInterface } = require("./query-interface");
class OracleDialect extends AbstractDialect {
  constructor(sequelize) {
    super();
    this.sequelize = sequelize;
    this.connectionManager = new OracleConnectionManager(this, sequelize);
    this.connectionManager.initPools();
    this.queryGenerator = new OracleQueryGenerator({
      _dialect: this,
      sequelize
    });
    this.queryInterface = new OracleQueryInterface(sequelize, this.queryGenerator);
  }
}
OracleDialect.prototype.supports = _.merge(_.cloneDeep(AbstractDialect.prototype.supports), {
  "VALUES ()": true,
  "LIMIT ON UPDATE": true,
  IGNORE: " IGNORE",
  lock: true,
  lockOuterJoinFailure: true,
  forShare: "FOR UPDATE",
  skipLocked: true,
  index: {
    collate: false,
    length: false,
    parser: false,
    type: false,
    using: false
  },
  constraints: {
    restrict: false
  },
  returnValues: false,
  returnIntoValues: true,
  "ORDER NULLS": true,
  schemas: true,
  updateOnDuplicate: false,
  indexViaAlter: false,
  NUMERIC: true,
  JSON: true,
  upserts: true,
  bulkDefault: true,
  topLevelOrderByRequired: true,
  GEOMETRY: false
});
OracleDialect.prototype.defaultVersion = "18.0.0";
OracleDialect.prototype.Query = OracleQuery;
OracleDialect.prototype.queryGenerator = OracleQueryGenerator;
OracleDialect.prototype.DataTypes = DataTypes;
OracleDialect.prototype.name = "oracle";
OracleDialect.prototype.TICK_CHAR = '"';
OracleDialect.prototype.TICK_CHAR_LEFT = OracleDialect.prototype.TICK_CHAR;
OracleDialect.prototype.TICK_CHAR_RIGHT = OracleDialect.prototype.TICK_CHAR;
module.exports = OracleDialect;
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