8 lines
4.9 KiB
Plaintext
8 lines
4.9 KiB
Plaintext
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{
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"version": 3,
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"sources": ["../../../src/dialects/mssql/query-interface.js"],
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"sourcesContent": ["'use strict';\n\nconst _ = require('lodash');\n\nconst Utils = require('../../utils');\nconst QueryTypes = require('../../query-types');\nconst Op = require('../../operators');\nconst { QueryInterface } = require('../abstract/query-interface');\n\n/**\n * The interface that Sequelize uses to talk with MSSQL database\n */\nclass MSSqlQueryInterface extends QueryInterface {\n /**\n * A wrapper that fixes MSSQL's inability to cleanly remove columns from existing tables if they have a default constraint.\n *\n * @override\n */\n async removeColumn(tableName, attributeName, options) {\n options = { raw: true, ...options || {} };\n\n const findConstraintSql = this.queryGenerator.getDefaultConstraintQuery(tableName, attributeName);\n const [results0] = await this.sequelize.query(findConstraintSql, options);\n if (results0.length) {\n // No default constraint found -- we can cleanly remove the column\n const dropConstraintSql = this.queryGenerator.dropConstraintQuery(tableName, results0[0].name);\n await this.sequelize.query(dropConstraintSql, options);\n }\n const findForeignKeySql = this.queryGenerator.getForeignKeyQuery(tableName, attributeName);\n const [results] = await this.sequelize.query(findForeignKeySql, options);\n if (results.length) {\n // No foreign key constraints found, so we can remove the column\n const dropForeignKeySql = this.queryGenerator.dropForeignKeyQuery(tableName, results[0].constraint_name);\n await this.sequelize.query(dropForeignKeySql, options);\n }\n //Check if the current column is a primaryKey\n const primaryKeyConstraintSql = this.queryGenerator.getPrimaryKeyConstraintQuery(tableName, attributeName);\n const [result] = await this.sequelize.query(primaryKeyConstraintSql, options);\n if (result.length) {\n const dropConstraintSql = this.queryGenerator.dropConstraintQuery(tableName, result[0].constraintName);\n await this.sequelize.query(dropConstraintSql, options);\n }\n const removeSql = this.queryGenerator.removeColumnQuery(tableName, attributeName);\n return this.sequelize.query(removeSql, options);\n }\n\n /**\n * @override\n */\n async upsert(tableName, insertValues, updateValues, where, options) {\n const model = options.model;\n const wheres = [];\n\n options = { ...options };\n\n if (!Utils.isWhereEmpty(where)) {\n wheres.push(where);\n }\n\n // Lets combine unique keys and indexes into one\n let indexes = Object.values(model.uniqueKeys).map(item => item.fields);\n indexes = indexes.concat(Object.values(model._indexes).filter(item => item.unique).map(item => item.fields));\n\n const attributes = Object.keys(insertValues);\n for (const index of indexes) {\n if (_.intersection(attributes, index).length === index.length) {\n where = {};\n for (const field of index) {\n where[field] = insertValues[field];\n }\n wheres.push(where);\n }\n }\n\n where = { [Op.or]: wheres };\n\n options.type = QueryTypes.UPSERT;\n options.raw = true;\n\n const sql = this.queryGenerator.upsertQuery(tableName, insertValues, updateValues, where, model, options);\n return await this.sequelize.query(sql, options);\n }\n}\n\nexports.MSSqlQueryInterface = MSSqlQueryInterface;\n"],
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"names": []
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}
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