Change endpoint from persons to people

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/index.js

@@ -0,0 +1,500 @@
+// MSSQL Client
+// -------
+const map = require('lodash/map');
+const isNil = require('lodash/isNil');
+
+const Client = require('../../client');
+const MSSQL_Formatter = require('./mssql-formatter');
+const Transaction = require('./transaction');
+const QueryCompiler = require('./query/mssql-querycompiler');
+const SchemaCompiler = require('./schema/mssql-compiler');
+const TableCompiler = require('./schema/mssql-tablecompiler');
+const ViewCompiler = require('./schema/mssql-viewcompiler');
+const ColumnCompiler = require('./schema/mssql-columncompiler');
+const QueryBuilder = require('../../query/querybuilder');
+const { setHiddenProperty } = require('../../util/security');
+
+const debug = require('debug')('knex:mssql');
+
+const SQL_INT4 = { MIN: -2147483648, MAX: 2147483647 };
+const SQL_BIGINT_SAFE = { MIN: -9007199254740991, MAX: 9007199254740991 };
+
+// Always initialize with the "QueryBuilder" and "QueryCompiler" objects, which
+// extend the base 'lib/query/builder' and 'lib/query/compiler', respectively.
+class Client_MSSQL extends Client {
+  constructor(config = {}) {
+    super(config);
+  }
+
+  /**
+   * @param {import('knex').Config} options
+   */
+  _generateConnection() {
+    const settings = this.connectionSettings;
+    settings.options = settings.options || {};
+
+    /** @type {import('tedious').ConnectionConfig} */
+    const cfg = {
+      authentication: {
+        type: settings.type || 'default',
+        options: {
+          userName: settings.userName || settings.user,
+          password: settings.password,
+          domain: settings.domain,
+          token: settings.token,
+          clientId: settings.clientId,
+          clientSecret: settings.clientSecret,
+          tenantId: settings.tenantId,
+          msiEndpoint: settings.msiEndpoint,
+        },
+      },
+      server: settings.server || settings.host,
+      options: {
+        database: settings.database,
+        encrypt: settings.encrypt || false,
+        port: settings.port || 1433,
+        connectTimeout: settings.connectionTimeout || settings.timeout || 15000,
+        requestTimeout: !isNil(settings.requestTimeout)
+          ? settings.requestTimeout
+          : 15000,
+        rowCollectionOnDone: false,
+        rowCollectionOnRequestCompletion: false,
+        useColumnNames: false,
+        tdsVersion: settings.options.tdsVersion || '7_4',
+        appName: settings.options.appName || 'knex',
+        trustServerCertificate: false,
+        ...settings.options,
+      },
+    };
+
+    if (cfg.authentication.options.password) {
+      setHiddenProperty(cfg.authentication.options);
+    }
+
+    // tedious always connect via tcp when port is specified
+    if (cfg.options.instanceName) delete cfg.options.port;
+
+    if (isNaN(cfg.options.requestTimeout)) cfg.options.requestTimeout = 15000;
+    if (cfg.options.requestTimeout === Infinity) cfg.options.requestTimeout = 0;
+    if (cfg.options.requestTimeout < 0) cfg.options.requestTimeout = 0;
+
+    if (settings.debug) {
+      cfg.options.debug = {
+        packet: true,
+        token: true,
+        data: true,
+        payload: true,
+      };
+    }
+
+    return cfg;
+  }
+
+  _driver() {
+    const tds = require('tedious');
+
+    return tds;
+  }
+
+  formatter() {
+    return new MSSQL_Formatter(this, ...arguments);
+  }
+
+  transaction() {
+    return new Transaction(this, ...arguments);
+  }
+
+  queryCompiler() {
+    return new QueryCompiler(this, ...arguments);
+  }
+
+  schemaCompiler() {
+    return new SchemaCompiler(this, ...arguments);
+  }
+
+  tableCompiler() {
+    return new TableCompiler(this, ...arguments);
+  }
+
+  viewCompiler() {
+    return new ViewCompiler(this, ...arguments);
+  }
+  queryBuilder() {
+    const b = new QueryBuilder(this);
+    return b;
+  }
+
+  columnCompiler() {
+    return new ColumnCompiler(this, ...arguments);
+  }
+
+  wrapIdentifierImpl(value) {
+    if (value === '*') {
+      return '*';
+    }
+
+    return `[${value.replace(/[[\]]+/g, '')}]`;
+  }
+
+  // Get a raw connection, called by the `pool` whenever a new
+  // connection needs to be added to the pool.
+  acquireRawConnection() {
+    return new Promise((resolver, rejecter) => {
+      debug('connection::connection new connection requested');
+      const Driver = this._driver();
+      const settings = Object.assign({}, this._generateConnection());
+
+      const connection = new Driver.Connection(settings);
+
+      connection.connect((err) => {
+        if (err) {
+          debug('connection::connect error: %s', err.message);
+          return rejecter(err);
+        }
+
+        debug('connection::connect connected to server');
+
+        connection.connected = true;
+        connection.on('error', (e) => {
+          debug('connection::error message=%s', e.message);
+          connection.__knex__disposed = e;
+          connection.connected = false;
+        });
+
+        connection.once('end', () => {
+          connection.connected = false;
+          connection.__knex__disposed = 'Connection to server was terminated.';
+          debug('connection::end connection ended.');
+        });
+
+        return resolver(connection);
+      });
+    });
+  }
+
+  validateConnection(connection) {
+    return connection && connection.connected;
+  }
+
+  // Used to explicitly close a connection, called internally by the pool
+  // when a connection times out or the pool is shutdown.
+  destroyRawConnection(connection) {
+    debug('connection::destroy');
+
+    return new Promise((resolve) => {
+      connection.once('end', () => {
+        resolve();
+      });
+
+      connection.close();
+    });
+  }
+
+  // Position the bindings for the query.
+  positionBindings(sql) {
+    let questionCount = -1;
+    return sql.replace(/\\?\?/g, (match) => {
+      if (match === '\\?') {
+        return '?';
+      }
+
+      questionCount += 1;
+      return `@p${questionCount}`;
+    });
+  }
+
+  _chomp(connection) {
+    if (connection.state.name === 'LoggedIn') {
+      const nextRequest = this.requestQueue.pop();
+      if (nextRequest) {
+        debug(
+          'connection::query executing query, %d more in queue',
+          this.requestQueue.length
+        );
+
+        connection.execSql(nextRequest);
+      }
+    }
+  }
+
+  _enqueueRequest(request, connection) {
+    this.requestQueue.push(request);
+    this._chomp(connection);
+  }
+
+  _makeRequest(query, callback) {
+    const Driver = this._driver();
+    const sql = typeof query === 'string' ? query : query.sql;
+    let rowCount = 0;
+
+    if (!sql) throw new Error('The query is empty');
+
+    debug('request::request sql=%s', sql);
+
+    const request = new Driver.Request(sql, (err, remoteRowCount) => {
+      if (err) {
+        debug('request::error message=%s', err.message);
+        return callback(err);
+      }
+
+      rowCount = remoteRowCount;
+      debug('request::callback rowCount=%d', rowCount);
+    });
+
+    request.on('prepared', () => {
+      debug('request %s::request prepared', this.id);
+    });
+
+    request.on('done', (rowCount, more) => {
+      debug('request::done rowCount=%d more=%s', rowCount, more);
+    });
+
+    request.on('doneProc', (rowCount, more) => {
+      debug(
+        'request::doneProc id=%s rowCount=%d more=%s',
+        request.id,
+        rowCount,
+        more
+      );
+    });
+
+    request.on('doneInProc', (rowCount, more) => {
+      debug(
+        'request::doneInProc id=%s rowCount=%d more=%s',
+        request.id,
+        rowCount,
+        more
+      );
+    });
+
+    request.once('requestCompleted', () => {
+      debug('request::completed id=%s', request.id);
+      return callback(null, rowCount);
+    });
+
+    request.on('error', (err) => {
+      debug('request::error id=%s message=%s', request.id, err.message);
+      return callback(err);
+    });
+
+    return request;
+  }
+
+  // Grab a connection, run the query via the MSSQL streaming interface,
+  // and pass that through to the stream we've sent back to the client.
+  _stream(connection, query, /** @type {NodeJS.ReadWriteStream} */ stream) {
+    return new Promise((resolve, reject) => {
+      const request = this._makeRequest(query, (err) => {
+        if (err) {
+          stream.emit('error', err);
+          return reject(err);
+        }
+
+        resolve();
+      });
+
+      request.on('row', (row) => {
+        stream.write(
+          row.reduce(
+            (prev, curr) => ({
+              ...prev,
+              [curr.metadata.colName]: curr.value,
+            }),
+            {}
+          )
+        );
+      });
+      request.on('error', (err) => {
+        stream.emit('error', err);
+        reject(err);
+      });
+      request.once('requestCompleted', () => {
+        stream.end();
+        resolve();
+      });
+
+      this._assignBindings(request, query.bindings);
+      this._enqueueRequest(request, connection);
+    });
+  }
+
+  _assignBindings(request, bindings) {
+    if (Array.isArray(bindings)) {
+      for (let i = 0; i < bindings.length; i++) {
+        const binding = bindings[i];
+        this._setReqInput(request, i, binding);
+      }
+    }
+  }
+
+  _scaleForBinding(binding) {
+    if (binding % 1 === 0) {
+      throw new Error(`The binding value ${binding} must be a decimal number.`);
+    }
+
+    return { scale: 10 };
+  }
+
+  _typeForBinding(binding) {
+    const Driver = this._driver();
+
+    if (
+      this.connectionSettings.options &&
+      this.connectionSettings.options.mapBinding
+    ) {
+      const result = this.connectionSettings.options.mapBinding(binding);
+      if (result) {
+        return [result.value, result.type];
+      }
+    }
+
+    switch (typeof binding) {
+      case 'string':
+        return [binding, Driver.TYPES.NVarChar];
+      case 'boolean':
+        return [binding, Driver.TYPES.Bit];
+      case 'number': {
+        if (binding % 1 !== 0) {
+          return [binding, Driver.TYPES.Float];
+        }
+
+        if (binding < SQL_INT4.MIN || binding > SQL_INT4.MAX) {
+          if (binding < SQL_BIGINT_SAFE.MIN || binding > SQL_BIGINT_SAFE.MAX) {
+            throw new Error(
+              `Bigint must be safe integer or must be passed as string, saw ${binding}`
+            );
+          }
+
+          return [binding, Driver.TYPES.BigInt];
+        }
+
+        return [binding, Driver.TYPES.Int];
+      }
+      default: {
+        if (binding instanceof Date) {
+          return [binding, Driver.TYPES.DateTime];
+        }
+
+        if (binding instanceof Buffer) {
+          return [binding, Driver.TYPES.VarBinary];
+        }
+
+        return [binding, Driver.TYPES.NVarChar];
+      }
+    }
+  }
+
+  // Runs the query on the specified connection, providing the bindings
+  // and any other necessary prep work.
+  _query(connection, query) {
+    return new Promise((resolve, reject) => {
+      const rows = [];
+      const request = this._makeRequest(query, (err, count) => {
+        if (err) {
+          return reject(err);
+        }
+
+        query.response = rows;
+
+        process.nextTick(() => this._chomp(connection));
+
+        resolve(query);
+      });
+
+      request.on('row', (row) => {
+        debug('request::row');
+        rows.push(row);
+      });
+
+      this._assignBindings(request, query.bindings);
+      this._enqueueRequest(request, connection);
+    });
+  }
+
+  // sets a request input parameter. Detects bigints and decimals and sets type appropriately.
+  _setReqInput(req, i, inputBinding) {
+    const [binding, tediousType] = this._typeForBinding(inputBinding);
+    const bindingName = 'p'.concat(i);
+    let options;
+
+    if (typeof binding === 'number' && binding % 1 !== 0) {
+      options = this._scaleForBinding(binding);
+    }
+
+    debug(
+      'request::binding pos=%d type=%s value=%s',
+      i,
+      tediousType.name,
+      binding
+    );
+
+    if (Buffer.isBuffer(binding)) {
+      options = {
+        length: 'max',
+      };
+    }
+
+    req.addParameter(bindingName, tediousType, binding, options);
+  }
+
+  // Process the response as returned from the query.
+  processResponse(query, runner) {
+    if (query == null) return;
+    let { response } = query;
+    const { method } = query;
+
+    if (query.output) {
+      return query.output.call(runner, response);
+    }
+
+    response = response.map((row) =>
+      row.reduce((columns, r) => {
+        const colName = r.metadata.colName;
+
+        if (columns[colName]) {
+          if (!Array.isArray(columns[colName])) {
+            columns[colName] = [columns[colName]];
+          }
+
+          columns[colName].push(r.value);
+        } else {
+          columns[colName] = r.value;
+        }
+
+        return columns;
+      }, {})
+    );
+
+    if (query.output) return query.output.call(runner, response);
+    switch (method) {
+      case 'select':
+        return response;
+      case 'first':
+        return response[0];
+      case 'pluck':
+        return map(response, query.pluck);
+      case 'insert':
+      case 'del':
+      case 'update':
+      case 'counter':
+        if (query.returning) {
+          if (query.returning === '@@rowcount') {
+            return response[0][''];
+          }
+        }
+        return response;
+      default:
+        return response;
+    }
+  }
+}
+
+Object.assign(Client_MSSQL.prototype, {
+  requestQueue: [],
+
+  dialect: 'mssql',
+
+  driverName: 'mssql',
+});
+
+module.exports = Client_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/mssql-formatter.js

@@ -0,0 +1,34 @@
+const Formatter = require('../../formatter');
+
+class MSSQL_Formatter extends Formatter {
+  // Accepts a string or array of columns to wrap as appropriate.
+  columnizeWithPrefix(prefix, target) {
+    const columns = typeof target === 'string' ? [target] : target;
+    let str = '',
+      i = -1;
+    while (++i < columns.length) {
+      if (i > 0) str += ', ';
+      str += prefix + this.wrap(columns[i]);
+    }
+    return str;
+  }
+
+  /**
+   * Returns its argument with single quotes escaped, so it can be included into a single-quoted string.
+   *
+   * For example, it converts "has'quote" to "has''quote".
+   *
+   * This assumes QUOTED_IDENTIFIER ON so it is only ' that need escaping,
+   * never ", because " cannot be used to quote a string when that's on;
+   * otherwise we'd need to be aware of whether the string is quoted with " or '.
+   *
+   * This assumption is consistent with the SQL Knex generates.
+   * @param {string} string
+   * @returns {string}
+   */
+  escapingStringDelimiters(string) {
+    return (string || '').replace(/'/g, "''");
+  }
+}
+
+module.exports = MSSQL_Formatter;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/query/mssql-querycompiler.js

@@ -0,0 +1,601 @@
+// MSSQL Query Compiler
+// ------
+const QueryCompiler = require('../../../query/querycompiler');
+
+const compact = require('lodash/compact');
+const identity = require('lodash/identity');
+const isEmpty = require('lodash/isEmpty');
+const Raw = require('../../../raw.js');
+const {
+  columnize: columnize_,
+} = require('../../../formatter/wrappingFormatter');
+
+const components = [
+  'comments',
+  'columns',
+  'join',
+  'lock',
+  'where',
+  'union',
+  'group',
+  'having',
+  'order',
+  'limit',
+  'offset',
+];
+
+class QueryCompiler_MSSQL extends QueryCompiler {
+  constructor(client, builder, formatter) {
+    super(client, builder, formatter);
+
+    const { onConflict } = this.single;
+    if (onConflict) {
+      throw new Error('.onConflict() is not supported for mssql.');
+    }
+
+    this._emptyInsertValue = 'default values';
+  }
+
+  with() {
+    // WITH RECURSIVE is a syntax error:
+    // SQL Server does not syntactically distinguish recursive and non-recursive CTEs.
+    // So mark all statements as non-recursive, generate the SQL, then restore.
+    // This approach ensures any changes in base class with() get propagated here.
+    const undoList = [];
+    if (this.grouped.with) {
+      for (const stmt of this.grouped.with) {
+        if (stmt.recursive) {
+          undoList.push(stmt);
+          stmt.recursive = false;
+        }
+      }
+    }
+
+    const result = super.with();
+
+    // Restore the recursive markings, in case this same query gets cloned and passed to other drivers.
+    for (const stmt of undoList) {
+      stmt.recursive = true;
+    }
+    return result;
+  }
+
+  select() {
+    const sql = this.with();
+    const statements = components.map((component) => this[component](this));
+    return sql + compact(statements).join(' ');
+  }
+
+  //#region Insert
+  // Compiles an "insert" query, allowing for multiple
+  // inserts using a single query statement.
+  insert() {
+    if (
+      this.single.options &&
+      this.single.options.includeTriggerModifications
+    ) {
+      return this.insertWithTriggers();
+    } else {
+      return this.standardInsert();
+    }
+  }
+
+  insertWithTriggers() {
+    const insertValues = this.single.insert || [];
+    const { returning } = this.single;
+    let sql =
+      this.with() +
+      `${this._buildTempTable(returning)}insert into ${this.tableName} `;
+    const returningSql = returning
+      ? this._returning('insert', returning, true) + ' '
+      : '';
+
+    if (Array.isArray(insertValues)) {
+      if (insertValues.length === 0) {
+        return '';
+      }
+    } else if (typeof insertValues === 'object' && isEmpty(insertValues)) {
+      return {
+        sql:
+          sql +
+          returningSql +
+          this._emptyInsertValue +
+          this._buildReturningSelect(returning),
+        returning,
+      };
+    }
+    sql += this._buildInsertData(insertValues, returningSql);
+
+    if (returning) {
+      sql += this._buildReturningSelect(returning);
+    }
+
+    return {
+      sql,
+      returning,
+    };
+  }
+
+  _buildInsertData(insertValues, returningSql) {
+    let sql = '';
+    const insertData = this._prepInsert(insertValues);
+    if (typeof insertData === 'string') {
+      sql += insertData;
+    } else {
+      if (insertData.columns.length) {
+        sql += `(${this.formatter.columnize(insertData.columns)}`;
+        sql +=
+          `) ${returningSql}values (` +
+          this._buildInsertValues(insertData) +
+          ')';
+      } else if (insertValues.length === 1 && insertValues[0]) {
+        sql += returningSql + this._emptyInsertValue;
+      } else {
+        return '';
+      }
+    }
+    return sql;
+  }
+
+  standardInsert() {
+    const insertValues = this.single.insert || [];
+    let sql = this.with() + `insert into ${this.tableName} `;
+    const { returning } = this.single;
+    const returningSql = returning
+      ? this._returning('insert', returning) + ' '
+      : '';
+
+    if (Array.isArray(insertValues)) {
+      if (insertValues.length === 0) {
+        return '';
+      }
+    } else if (typeof insertValues === 'object' && isEmpty(insertValues)) {
+      return {
+        sql: sql + returningSql + this._emptyInsertValue,
+        returning,
+      };
+    }
+
+    sql += this._buildInsertData(insertValues, returningSql);
+
+    return {
+      sql,
+      returning,
+    };
+  }
+  //#endregion
+
+  //#region Update
+  // Compiles an `update` query, allowing for a return value.
+  update() {
+    if (
+      this.single.options &&
+      this.single.options.includeTriggerModifications
+    ) {
+      return this.updateWithTriggers();
+    } else {
+      return this.standardUpdate();
+    }
+  }
+
+  updateWithTriggers() {
+    const top = this.top();
+    const withSQL = this.with();
+    const updates = this._prepUpdate(this.single.update);
+    const join = this.join();
+    const where = this.where();
+    const order = this.order();
+    const { returning } = this.single;
+    const declaredTemp = this._buildTempTable(returning);
+    return {
+      sql:
+        withSQL +
+        declaredTemp +
+        `update ${top ? top + ' ' : ''}${this.tableName}` +
+        ' set ' +
+        updates.join(', ') +
+        (returning ? ` ${this._returning('update', returning, true)}` : '') +
+        (join ? ` from ${this.tableName} ${join}` : '') +
+        (where ? ` ${where}` : '') +
+        (order ? ` ${order}` : '') +
+        (!returning
+          ? this._returning('rowcount', '@@rowcount')
+          : this._buildReturningSelect(returning)),
+      returning: returning || '@@rowcount',
+    };
+  }
+
+  _formatGroupsItemValue(value, nulls) {
+    const column = super._formatGroupsItemValue(value);
+    // MSSQL dont support 'is null' syntax in order by,
+    // so we override this function and add MSSQL specific syntax.
+    if (nulls && !(value instanceof Raw)) {
+      const collNulls = `IIF(${column} is null,`;
+      if (nulls === 'first') {
+        return `${collNulls}0,1)`;
+      } else if (nulls === 'last') {
+        return `${collNulls}1,0)`;
+      }
+    }
+    return column;
+  }
+
+  standardUpdate() {
+    const top = this.top();
+    const withSQL = this.with();
+    const updates = this._prepUpdate(this.single.update);
+    const join = this.join();
+    const where = this.where();
+    const order = this.order();
+    const { returning } = this.single;
+    return {
+      sql:
+        withSQL +
+        `update ${top ? top + ' ' : ''}${this.tableName}` +
+        ' set ' +
+        updates.join(', ') +
+        (returning ? ` ${this._returning('update', returning)}` : '') +
+        (join ? ` from ${this.tableName} ${join}` : '') +
+        (where ? ` ${where}` : '') +
+        (order ? ` ${order}` : '') +
+        (!returning ? this._returning('rowcount', '@@rowcount') : ''),
+      returning: returning || '@@rowcount',
+    };
+  }
+  //#endregion
+
+  //#region Delete
+  // Compiles a `delete` query.
+  del() {
+    if (
+      this.single.options &&
+      this.single.options.includeTriggerModifications
+    ) {
+      return this.deleteWithTriggers();
+    } else {
+      return this.standardDelete();
+    }
+  }
+
+  deleteWithTriggers() {
+    // Make sure tableName is processed by the formatter first.
+    const withSQL = this.with();
+    const { tableName } = this;
+    const wheres = this.where();
+    const joins = this.join();
+    const { returning } = this.single;
+    const returningStr = returning
+      ? ` ${this._returning('del', returning, true)}`
+      : '';
+    const deleteSelector = joins ? `${tableName}${returningStr} ` : '';
+    return {
+      sql:
+        withSQL +
+        `${this._buildTempTable(
+          returning
+        )}delete ${deleteSelector}from ${tableName}` +
+        (!joins ? returningStr : '') +
+        (joins ? ` ${joins}` : '') +
+        (wheres ? ` ${wheres}` : '') +
+        (!returning
+          ? this._returning('rowcount', '@@rowcount')
+          : this._buildReturningSelect(returning)),
+      returning: returning || '@@rowcount',
+    };
+  }
+
+  standardDelete() {
+    // Make sure tableName is processed by the formatter first.
+    const withSQL = this.with();
+    const { tableName } = this;
+    const wheres = this.where();
+    const joins = this.join();
+    const { returning } = this.single;
+    const returningStr = returning
+      ? ` ${this._returning('del', returning)}`
+      : '';
+    // returning needs to be before "from" when using join
+    const deleteSelector = joins ? `${tableName}${returningStr} ` : '';
+    return {
+      sql:
+        withSQL +
+        `delete ${deleteSelector}from ${tableName}` +
+        (!joins ? returningStr : '') +
+        (joins ? ` ${joins}` : '') +
+        (wheres ? ` ${wheres}` : '') +
+        (!returning ? this._returning('rowcount', '@@rowcount') : ''),
+      returning: returning || '@@rowcount',
+    };
+  }
+  //#endregion
+
+  // Compiles the columns in the query, specifying if an item was distinct.
+  columns() {
+    let distinctClause = '';
+    if (this.onlyUnions()) return '';
+    const top = this.top();
+    const hints = this._hintComments();
+    const columns = this.grouped.columns || [];
+    let i = -1,
+      sql = [];
+    if (columns) {
+      while (++i < columns.length) {
+        const stmt = columns[i];
+        if (stmt.distinct) distinctClause = 'distinct ';
+        if (stmt.distinctOn) {
+          distinctClause = this.distinctOn(stmt.value);
+          continue;
+        }
+        if (stmt.type === 'aggregate') {
+          sql.push(...this.aggregate(stmt));
+        } else if (stmt.type === 'aggregateRaw') {
+          sql.push(this.aggregateRaw(stmt));
+        } else if (stmt.type === 'analytic') {
+          sql.push(this.analytic(stmt));
+        } else if (stmt.type === 'json') {
+          sql.push(this.json(stmt));
+        } else if (stmt.value && stmt.value.length > 0) {
+          sql.push(this.formatter.columnize(stmt.value));
+        }
+      }
+    }
+    if (sql.length === 0) sql = ['*'];
+    const select = this.onlyJson() ? '' : 'select ';
+    return (
+      `${select}${hints}${distinctClause}` +
+      (top ? top + ' ' : '') +
+      sql.join(', ') +
+      (this.tableName ? ` from ${this.tableName}` : '')
+    );
+  }
+
+  _returning(method, value, withTrigger) {
+    switch (method) {
+      case 'update':
+      case 'insert':
+        return value
+          ? `output ${this.formatter.columnizeWithPrefix('inserted.', value)}${
+              withTrigger ? ' into #out' : ''
+            }`
+          : '';
+      case 'del':
+        return value
+          ? `output ${this.formatter.columnizeWithPrefix('deleted.', value)}${
+              withTrigger ? ' into #out' : ''
+            }`
+          : '';
+      case 'rowcount':
+        return value ? ';select @@rowcount' : '';
+    }
+  }
+
+  _buildTempTable(values) {
+    // If value is nothing then return an empty string
+    if (values && values.length > 0) {
+      let selections = '';
+
+      // Build values that will be returned from this procedure
+      if (Array.isArray(values)) {
+        selections = values
+          .map((value) => `[t].${this.formatter.columnize(value)}`)
+          .join(',');
+      } else {
+        selections = `[t].${this.formatter.columnize(values)}`;
+      }
+
+      // Force #out to be correctly populated with the correct column structure.
+      let sql = `select top(0) ${selections} into #out `;
+      sql += `from ${this.tableName} as t `;
+      sql += `left join ${this.tableName} on 0=1;`;
+
+      return sql;
+    }
+
+    return '';
+  }
+
+  _buildReturningSelect(values) {
+    // If value is nothing then return an empty string
+    if (values && values.length > 0) {
+      let selections = '';
+
+      // Build columns to return
+      if (Array.isArray(values)) {
+        selections = values
+          .map((value) => `${this.formatter.columnize(value)}`)
+          .join(',');
+      } else {
+        selections = this.formatter.columnize(values);
+      }
+
+      // Get the returned values
+      let sql = `; select ${selections} from #out; `;
+      // Drop the temp table to prevent memory leaks
+      sql += `drop table #out;`;
+
+      return sql;
+    }
+
+    return '';
+  }
+
+  // Compiles a `truncate` query.
+  truncate() {
+    return `truncate table ${this.tableName}`;
+  }
+
+  forUpdate() {
+    // this doesn't work exacltly as it should, one should also mention index while locking
+    // https://stackoverflow.com/a/9818448/360060
+    return 'with (UPDLOCK)';
+  }
+
+  forShare() {
+    // http://www.sqlteam.com/article/introduction-to-locking-in-sql-server
+    return 'with (HOLDLOCK)';
+  }
+
+  // Compiles a `columnInfo` query.
+  columnInfo() {
+    const column = this.single.columnInfo;
+    let schema = this.single.schema;
+
+    // The user may have specified a custom wrapIdentifier function in the config. We
+    // need to run the identifiers through that function, but not format them as
+    // identifiers otherwise.
+    const table = this.client.customWrapIdentifier(this.single.table, identity);
+
+    if (schema) {
+      schema = this.client.customWrapIdentifier(schema, identity);
+    }
+
+    // GOTCHA: INFORMATION_SCHEMA.COLUMNS must be capitalized to work when the database has a case-sensitive collation. [#4573]
+    let sql = `select [COLUMN_NAME], [COLUMN_DEFAULT], [DATA_TYPE], [CHARACTER_MAXIMUM_LENGTH], [IS_NULLABLE] from INFORMATION_SCHEMA.COLUMNS where table_name = ? and table_catalog = ?`;
+    const bindings = [table, this.client.database()];
+
+    if (schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(schema);
+    } else {
+      sql += ` and table_schema = 'dbo'`;
+    }
+
+    return {
+      sql,
+      bindings: bindings,
+      output(resp) {
+        const out = resp.reduce((columns, val) => {
+          columns[val[0].value] = {
+            defaultValue: val[1].value,
+            type: val[2].value,
+            maxLength: val[3].value,
+            nullable: val[4].value === 'YES',
+          };
+          return columns;
+        }, {});
+        return (column && out[column]) || out;
+      },
+    };
+  }
+
+  top() {
+    const noLimit = !this.single.limit && this.single.limit !== 0;
+    const noOffset = !this.single.offset;
+    if (noLimit || !noOffset) return '';
+    return `top (${this._getValueOrParameterFromAttribute('limit')})`;
+  }
+
+  limit() {
+    return '';
+  }
+
+  offset() {
+    const noLimit = !this.single.limit && this.single.limit !== 0;
+    const noOffset = !this.single.offset;
+    if (noOffset) return '';
+    let offset = `offset ${
+      noOffset ? '0' : this._getValueOrParameterFromAttribute('offset')
+    } rows`;
+    if (!noLimit) {
+      offset += ` fetch next ${this._getValueOrParameterFromAttribute(
+        'limit'
+      )} rows only`;
+    }
+    return offset;
+  }
+
+  whereLike(statement) {
+    return `${this._columnClause(
+      statement
+    )} collate SQL_Latin1_General_CP1_CS_AS ${this._not(
+      statement,
+      'like '
+    )}${this._valueClause(statement)}`;
+  }
+
+  whereILike(statement) {
+    return `${this._columnClause(
+      statement
+    )} collate SQL_Latin1_General_CP1_CI_AS ${this._not(
+      statement,
+      'like '
+    )}${this._valueClause(statement)}`;
+  }
+
+  jsonExtract(params) {
+    // JSON_VALUE return NULL if we query object or array
+    // JSON_QUERY return NULL if we query literal/single value
+    return this._jsonExtract(
+      params.singleValue ? 'JSON_VALUE' : 'JSON_QUERY',
+      params
+    );
+  }
+
+  jsonSet(params) {
+    return this._jsonSet('JSON_MODIFY', params);
+  }
+
+  jsonInsert(params) {
+    return this._jsonSet('JSON_MODIFY', params);
+  }
+
+  jsonRemove(params) {
+    const jsonCol = `JSON_MODIFY(${columnize_(
+      params.column,
+      this.builder,
+      this.client,
+      this.bindingsHolder
+    )},${this.client.parameter(
+      params.path,
+      this.builder,
+      this.bindingsHolder
+    )}, NULL)`;
+    return params.alias
+      ? this.client.alias(jsonCol, this.formatter.wrap(params.alias))
+      : jsonCol;
+  }
+
+  whereJsonPath(statement) {
+    return this._whereJsonPath('JSON_VALUE', statement);
+  }
+
+  whereJsonSupersetOf(statement) {
+    throw new Error(
+      'Json superset where clause not actually supported by MSSQL'
+    );
+  }
+
+  whereJsonSubsetOf(statement) {
+    throw new Error('Json subset where clause not actually supported by MSSQL');
+  }
+
+  _getExtracts(statement, operator) {
+    const column = columnize_(
+      statement.column,
+      this.builder,
+      this.client,
+      this.bindingsHolder
+    );
+    return (
+      Array.isArray(statement.values) ? statement.values : [statement.values]
+    )
+      .map(function (value) {
+        return (
+          'JSON_VALUE(' +
+          column +
+          ',' +
+          this.client.parameter(value, this.builder, this.bindingsHolder) +
+          ')'
+        );
+      }, this)
+      .join(operator);
+  }
+
+  onJsonPathEquals(clause) {
+    return this._onJsonPathEquals('JSON_VALUE', clause);
+  }
+}
+
+// Set the QueryBuilder & QueryCompiler on the client object,
+// in case anyone wants to modify things to suit their own purposes.
+module.exports = QueryCompiler_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/schema/mssql-columncompiler.js

@@ -0,0 +1,185 @@
+// MSSQL Column Compiler
+// -------
+const ColumnCompiler = require('../../../schema/columncompiler');
+const { toNumber } = require('../../../util/helpers');
+const { formatDefault } = require('../../../formatter/formatterUtils');
+const { operator: operator_ } = require('../../../formatter/wrappingFormatter');
+
+class ColumnCompiler_MSSQL extends ColumnCompiler {
+  constructor(client, tableCompiler, columnBuilder) {
+    super(client, tableCompiler, columnBuilder);
+    this.modifiers = ['nullable', 'defaultTo', 'first', 'after', 'comment'];
+    this._addCheckModifiers();
+  }
+
+  // Types
+  // ------
+
+  double(precision, scale) {
+    return 'float';
+  }
+
+  floating(precision, scale) {
+    // ignore precicion / scale which is mysql specific stuff
+    return `float`;
+  }
+
+  integer() {
+    // mssql does not support length
+    return 'int';
+  }
+
+  tinyint() {
+    // mssql does not support length
+    return 'tinyint';
+  }
+
+  varchar(length) {
+    return `nvarchar(${toNumber(length, 255)})`;
+  }
+
+  timestamp({ useTz = false } = {}) {
+    return useTz ? 'datetimeoffset' : 'datetime2';
+  }
+
+  bit(length) {
+    if (length > 1) {
+      this.client.logger.warn('Bit field is exactly 1 bit length for MSSQL');
+    }
+    return 'bit';
+  }
+
+  binary(length) {
+    return length ? `varbinary(${toNumber(length)})` : 'varbinary(max)';
+  }
+
+  // Modifiers
+  // ------
+
+  first() {
+    this.client.logger.warn('Column first modifier not available for MSSQL');
+    return '';
+  }
+
+  after(column) {
+    this.client.logger.warn('Column after modifier not available for MSSQL');
+    return '';
+  }
+
+  defaultTo(value, { constraintName } = {}) {
+    const formattedValue = formatDefault(value, this.type, this.client);
+    constraintName =
+      typeof constraintName !== 'undefined'
+        ? constraintName
+        : `${
+            this.tableCompiler.tableNameRaw
+          }_${this.getColumnName()}_default`.toLowerCase();
+    if (this.columnBuilder._method === 'alter') {
+      this.pushAdditional(function () {
+        this.pushQuery(
+          `ALTER TABLE ${this.tableCompiler.tableName()} ADD CONSTRAINT ${this.formatter.wrap(
+            constraintName
+          )} DEFAULT ${formattedValue} FOR ${this.formatter.wrap(
+            this.getColumnName()
+          )}`
+        );
+      });
+      return '';
+    }
+    if (!constraintName) {
+      return `DEFAULT ${formattedValue}`;
+    }
+    return `CONSTRAINT ${this.formatter.wrap(
+      constraintName
+    )} DEFAULT ${formattedValue}`;
+  }
+
+  comment(/** @type {string} */ comment) {
+    if (!comment) {
+      return;
+    }
+
+    // XXX: This is a byte limit, not character, so we cannot definitively say they'll exceed the limit without database collation info.
+    // (Yes, even if the column has its own collation, the sqlvariant still uses the database collation.)
+    // I'm not sure we even need to raise a warning, as MSSQL will return an error when the limit is exceeded itself.
+    if (comment && comment.length > 7500 / 2) {
+      this.client.logger.warn(
+        'Your comment might be longer than the max comment length for MSSQL of 7,500 bytes.'
+      );
+    }
+
+    // See: https://docs.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-addextendedproperty-transact-sql?view=sql-server-ver15#b-adding-an-extended-property-to-a-column-in-a-table
+    const value = this.formatter.escapingStringDelimiters(comment);
+    const level0name = this.tableCompiler.schemaNameRaw || 'dbo';
+    const level1name = this.formatter.escapingStringDelimiters(
+      this.tableCompiler.tableNameRaw
+    );
+    const level2name = this.formatter.escapingStringDelimiters(
+      this.args[0] || this.defaults('columnName')
+    );
+
+    const args = `N'MS_Description', N'${value}', N'Schema', N'${level0name}', N'Table', N'${level1name}', N'Column', N'${level2name}'`;
+
+    this.pushAdditional(function () {
+      const isAlreadyDefined = `EXISTS(SELECT * FROM sys.fn_listextendedproperty(N'MS_Description', N'Schema', N'${level0name}', N'Table', N'${level1name}', N'Column', N'${level2name}'))`;
+      this.pushQuery(
+        `IF ${isAlreadyDefined}\n  EXEC sys.sp_updateextendedproperty ${args}\nELSE\n  EXEC sys.sp_addextendedproperty ${args}`
+      );
+    });
+    return '';
+  }
+
+  checkLength(operator, length, constraintName) {
+    return this._check(
+      `LEN(${this.formatter.wrap(this.getColumnName())}) ${operator_(
+        operator,
+        this.columnBuilder,
+        this.bindingsHolder
+      )} ${toNumber(length)}`,
+      constraintName
+    );
+  }
+
+  checkRegex(regex, constraintName) {
+    return this._check(
+      `${this.formatter.wrap(
+        this.getColumnName()
+      )} LIKE ${this.client._escapeBinding('%' + regex + '%')}`,
+      constraintName
+    );
+  }
+
+  increments(options = { primaryKey: true }) {
+    return (
+      'int identity(1,1) not null' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+
+  bigincrements(options = { primaryKey: true }) {
+    return (
+      'bigint identity(1,1) not null' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+}
+
+ColumnCompiler_MSSQL.prototype.bigint = 'bigint';
+ColumnCompiler_MSSQL.prototype.mediumint = 'int';
+ColumnCompiler_MSSQL.prototype.smallint = 'smallint';
+ColumnCompiler_MSSQL.prototype.text = 'nvarchar(max)';
+ColumnCompiler_MSSQL.prototype.mediumtext = 'nvarchar(max)';
+ColumnCompiler_MSSQL.prototype.longtext = 'nvarchar(max)';
+ColumnCompiler_MSSQL.prototype.json = ColumnCompiler_MSSQL.prototype.jsonb =
+  'nvarchar(max)';
+
+// TODO: mssql supports check constraints as of SQL Server 2008
+// so make enu here more like postgres
+ColumnCompiler_MSSQL.prototype.enu = 'nvarchar(100)';
+ColumnCompiler_MSSQL.prototype.uuid = ({ useBinaryUuid = false } = {}) =>
+  useBinaryUuid ? 'binary(16)' : 'uniqueidentifier';
+
+ColumnCompiler_MSSQL.prototype.datetime = 'datetime2';
+ColumnCompiler_MSSQL.prototype.bool = 'bit';
+
+module.exports = ColumnCompiler_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/schema/mssql-compiler.js

@@ -0,0 +1,91 @@
+// MySQL Schema Compiler
+// -------
+const SchemaCompiler = require('../../../schema/compiler');
+
+class SchemaCompiler_MSSQL extends SchemaCompiler {
+  constructor(client, builder) {
+    super(client, builder);
+  }
+
+  dropTableIfExists(tableName) {
+    const name = this.formatter.wrap(prefixedTableName(this.schema, tableName));
+    this.pushQuery(
+      `if object_id('${name}', 'U') is not null DROP TABLE ${name}`
+    );
+  }
+
+  dropViewIfExists(viewName) {
+    const name = this.formatter.wrap(prefixedTableName(this.schema, viewName));
+    this.pushQuery(
+      `if object_id('${name}', 'V') is not null DROP VIEW ${name}`
+    );
+  }
+
+  // Rename a table on the schema.
+  renameTable(tableName, to) {
+    this.pushQuery(
+      `exec sp_rename ${this.client.parameter(
+        prefixedTableName(this.schema, tableName),
+        this.builder,
+        this.bindingsHolder
+      )}, ${this.client.parameter(to, this.builder, this.bindingsHolder)}`
+    );
+  }
+
+  renameView(viewTable, to) {
+    this.pushQuery(
+      `exec sp_rename ${this.client.parameter(
+        prefixedTableName(this.schema, viewTable),
+        this.builder,
+        this.bindingsHolder
+      )}, ${this.client.parameter(to, this.builder, this.bindingsHolder)}`
+    );
+  }
+
+  // Check whether a table exists on the query.
+  hasTable(tableName) {
+    const formattedTable = this.client.parameter(
+      prefixedTableName(this.schema, tableName),
+      this.builder,
+      this.bindingsHolder
+    );
+    const bindings = [tableName];
+    let sql =
+      `SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES ` +
+      `WHERE TABLE_NAME = ${formattedTable}`;
+
+    if (this.schema) {
+      sql += ' AND TABLE_SCHEMA = ?';
+      bindings.push(this.schema);
+    }
+
+    this.pushQuery({ sql, bindings, output: (resp) => resp.length > 0 });
+  }
+
+  // Check whether a column exists on the schema.
+  hasColumn(tableName, column) {
+    const formattedColumn = this.client.parameter(
+      column,
+      this.builder,
+      this.bindingsHolder
+    );
+    const formattedTable = this.client.parameter(
+      this.formatter.wrap(prefixedTableName(this.schema, tableName)),
+      this.builder,
+      this.bindingsHolder
+    );
+    const sql =
+      `select object_id from sys.columns ` +
+      `where name = ${formattedColumn} ` +
+      `and object_id = object_id(${formattedTable})`;
+    this.pushQuery({ sql, output: (resp) => resp.length > 0 });
+  }
+}
+
+SchemaCompiler_MSSQL.prototype.dropTablePrefix = 'DROP TABLE ';
+
+function prefixedTableName(prefix, table) {
+  return prefix ? `${prefix}.${table}` : table;
+}
+
+module.exports = SchemaCompiler_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/schema/mssql-tablecompiler.js

@@ -0,0 +1,378 @@
+/* eslint max-len:0 */
+
+// MSSQL Table Builder & Compiler
+// -------
+const TableCompiler = require('../../../schema/tablecompiler');
+const helpers = require('../../../util/helpers');
+const { isObject } = require('../../../util/is');
+
+// Table Compiler
+// ------
+
+class TableCompiler_MSSQL extends TableCompiler {
+  constructor(client, tableBuilder) {
+    super(client, tableBuilder);
+  }
+
+  createQuery(columns, ifNot, like) {
+    let createStatement = ifNot
+      ? `if object_id('${this.tableName()}', 'U') is null `
+      : '';
+
+    if (like) {
+      // This query copy only columns and not all indexes and keys like other databases.
+      createStatement += `SELECT * INTO ${this.tableName()} FROM ${this.tableNameLike()} WHERE 0=1`;
+    } else {
+      createStatement +=
+        'CREATE TABLE ' +
+        this.tableName() +
+        (this._formatting ? ' (\n    ' : ' (') +
+        columns.sql.join(this._formatting ? ',\n    ' : ', ') +
+        this._addChecks() +
+        ')';
+    }
+
+    this.pushQuery(createStatement);
+
+    if (this.single.comment) {
+      this.comment(this.single.comment);
+    }
+    if (like) {
+      this.addColumns(columns, this.addColumnsPrefix);
+    }
+  }
+
+  comment(/** @type {string} */ comment) {
+    if (!comment) {
+      return;
+    }
+
+    // XXX: This is a byte limit, not character, so we cannot definitively say they'll exceed the limit without server collation info.
+    // When I checked in SQL Server 2019, the ctext column in sys.syscomments is defined as a varbinary(8000), so it doesn't even have its own defined collation.
+    if (comment.length > 7500 / 2) {
+      this.client.logger.warn(
+        'Your comment might be longer than the max comment length for MSSQL of 7,500 bytes.'
+      );
+    }
+
+    // See: https://docs.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-addextendedproperty-transact-sql?view=sql-server-ver15#f-adding-an-extended-property-to-a-table
+    const value = this.formatter.escapingStringDelimiters(comment);
+    const level0name = this.formatter.escapingStringDelimiters(
+      this.schemaNameRaw || 'dbo'
+    );
+    const level1name = this.formatter.escapingStringDelimiters(
+      this.tableNameRaw
+    );
+    const args = `N'MS_Description', N'${value}', N'Schema', N'${level0name}', N'Table', N'${level1name}'`;
+    const isAlreadyDefined = `EXISTS(SELECT * FROM sys.fn_listextendedproperty(N'MS_Description', N'Schema', N'${level0name}', N'Table', N'${level1name}', NULL, NULL))`;
+    this.pushQuery(
+      `IF ${isAlreadyDefined}\n  EXEC sys.sp_updateextendedproperty ${args}\nELSE\n  EXEC sys.sp_addextendedproperty ${args}`
+    );
+  }
+
+  // Compiles column add.  Multiple columns need only one ADD clause (not one ADD per column) so core addColumns doesn't work.  #1348
+  addColumns(columns, prefix) {
+    prefix = prefix || this.addColumnsPrefix;
+
+    if (columns.sql.length > 0) {
+      this.pushQuery({
+        sql:
+          (this.lowerCase ? 'alter table ' : 'ALTER TABLE ') +
+          this.tableName() +
+          ' ' +
+          prefix +
+          columns.sql.join(', '),
+        bindings: columns.bindings,
+      });
+    }
+  }
+
+  alterColumns(columns, colBuilder) {
+    for (let i = 0, l = colBuilder.length; i < l; i++) {
+      const builder = colBuilder[i];
+      if (builder.modified.defaultTo) {
+        const schema = this.schemaNameRaw || 'dbo';
+        const baseQuery = `
+              DECLARE @constraint varchar(100) = (SELECT default_constraints.name
+                                                  FROM sys.all_columns
+                                                  INNER JOIN sys.tables
+                                                    ON all_columns.object_id = tables.object_id
+                                                  INNER JOIN sys.schemas
+                                                    ON tables.schema_id = schemas.schema_id
+                                                  INNER JOIN sys.default_constraints
+                                                    ON all_columns.default_object_id = default_constraints.object_id
+                                                  WHERE schemas.name = '${schema}'
+                                                  AND tables.name = '${
+                                                    this.tableNameRaw
+                                                  }'
+                                                  AND all_columns.name = '${builder.getColumnName()}')
+
+              IF @constraint IS NOT NULL EXEC('ALTER TABLE ${
+                this.tableNameRaw
+              } DROP CONSTRAINT ' + @constraint)`;
+        this.pushQuery(baseQuery);
+      }
+    }
+    // in SQL server only one column can be altered at a time
+    columns.sql.forEach((sql) => {
+      this.pushQuery({
+        sql:
+          (this.lowerCase ? 'alter table ' : 'ALTER TABLE ') +
+          this.tableName() +
+          ' ' +
+          (this.lowerCase
+            ? this.alterColumnPrefix.toLowerCase()
+            : this.alterColumnPrefix) +
+          sql,
+        bindings: columns.bindings,
+      });
+    });
+  }
+
+  // Compiles column drop.  Multiple columns need only one DROP clause (not one DROP per column) so core dropColumn doesn't work.  #1348
+  dropColumn() {
+    const _this2 = this;
+    const columns = helpers.normalizeArr.apply(null, arguments);
+    const columnsArray = Array.isArray(columns) ? columns : [columns];
+    const drops = columnsArray.map((column) => _this2.formatter.wrap(column));
+    const schema = this.schemaNameRaw || 'dbo';
+
+    for (const column of columns) {
+      const baseQuery = `
+              DECLARE @constraint varchar(100) = (SELECT default_constraints.name
+                                                  FROM sys.all_columns
+                                                  INNER JOIN sys.tables
+                                                    ON all_columns.object_id = tables.object_id
+                                                  INNER JOIN sys.schemas
+                                                    ON tables.schema_id = schemas.schema_id
+                                                  INNER JOIN sys.default_constraints
+                                                    ON all_columns.default_object_id = default_constraints.object_id
+                                                  WHERE schemas.name = '${schema}'
+                                                  AND tables.name = '${this.tableNameRaw}'
+                                                  AND all_columns.name = '${column}')
+
+              IF @constraint IS NOT NULL EXEC('ALTER TABLE ${this.tableNameRaw} DROP CONSTRAINT ' + @constraint)`;
+      this.pushQuery(baseQuery);
+    }
+    this.pushQuery(
+      (this.lowerCase ? 'alter table ' : 'ALTER TABLE ') +
+        this.tableName() +
+        ' ' +
+        this.dropColumnPrefix +
+        drops.join(', ')
+    );
+  }
+
+  changeType() {}
+
+  // Renames a column on the table.
+  renameColumn(from, to) {
+    this.pushQuery(
+      `exec sp_rename ${this.client.parameter(
+        this.tableName() + '.' + from,
+        this.tableBuilder,
+        this.bindingsHolder
+      )}, ${this.client.parameter(
+        to,
+        this.tableBuilder,
+        this.bindingsHolder
+      )}, 'COLUMN'`
+    );
+  }
+
+  dropFKRefs(runner, refs) {
+    const formatter = this.client.formatter(this.tableBuilder);
+    return Promise.all(
+      refs.map(function (ref) {
+        const constraintName = formatter.wrap(ref.CONSTRAINT_NAME);
+        const tableName = formatter.wrap(ref.TABLE_NAME);
+        return runner.query({
+          sql: `ALTER TABLE ${tableName} DROP CONSTRAINT ${constraintName}`,
+        });
+      })
+    );
+  }
+
+  createFKRefs(runner, refs) {
+    const formatter = this.client.formatter(this.tableBuilder);
+
+    return Promise.all(
+      refs.map(function (ref) {
+        const tableName = formatter.wrap(ref.TABLE_NAME);
+        const keyName = formatter.wrap(ref.CONSTRAINT_NAME);
+        const column = formatter.columnize(ref.COLUMN_NAME);
+        const references = formatter.columnize(ref.REFERENCED_COLUMN_NAME);
+        const inTable = formatter.wrap(ref.REFERENCED_TABLE_NAME);
+        const onUpdate = ` ON UPDATE ${ref.UPDATE_RULE}`;
+        const onDelete = ` ON DELETE ${ref.DELETE_RULE}`;
+
+        return runner.query({
+          sql:
+            `ALTER TABLE ${tableName} ADD CONSTRAINT ${keyName}` +
+            ' FOREIGN KEY (' +
+            column +
+            ') REFERENCES ' +
+            inTable +
+            ' (' +
+            references +
+            ')' +
+            onUpdate +
+            onDelete,
+        });
+      })
+    );
+  }
+
+  index(columns, indexName, options) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+
+    let predicate;
+    if (isObject(options)) {
+      ({ predicate } = options);
+    }
+    const predicateQuery = predicate
+      ? ' ' + this.client.queryCompiler(predicate).where()
+      : '';
+    this.pushQuery(
+      `CREATE INDEX ${indexName} ON ${this.tableName()} (${this.formatter.columnize(
+        columns
+      )})${predicateQuery}`
+    );
+  }
+
+  /**
+   * Create a primary key.
+   *
+   * @param {undefined | string | string[]} columns
+   * @param {string | {constraintName: string, deferrable?: 'not deferrable'|'deferred'|'immediate' }} constraintName
+   */
+  primary(columns, constraintName) {
+    let deferrable;
+    if (isObject(constraintName)) {
+      ({ constraintName, deferrable } = constraintName);
+    }
+    if (deferrable && deferrable !== 'not deferrable') {
+      this.client.logger.warn(
+        `mssql: primary key constraint [${constraintName}] will not be deferrable ${deferrable} because mssql does not support deferred constraints.`
+      );
+    }
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    if (!this.forCreate) {
+      this.pushQuery(
+        `ALTER TABLE ${this.tableName()} ADD CONSTRAINT ${constraintName} PRIMARY KEY (${this.formatter.columnize(
+          columns
+        )})`
+      );
+    } else {
+      this.pushQuery(
+        `CONSTRAINT ${constraintName} PRIMARY KEY (${this.formatter.columnize(
+          columns
+        )})`
+      );
+    }
+  }
+
+  /**
+   * Create a unique index.
+   *
+   * @param {string | string[]} columns
+   * @param {string | {indexName: undefined | string, deferrable?: 'not deferrable'|'deferred'|'immediate', useConstraint?: true|false, predicate?: QueryBuilder }} indexName
+   */
+  unique(columns, indexName) {
+    /** @type {string | undefined} */
+    let deferrable;
+    let useConstraint = false;
+    let predicate;
+    if (isObject(indexName)) {
+      ({ indexName, deferrable, useConstraint, predicate } = indexName);
+    }
+    if (deferrable && deferrable !== 'not deferrable') {
+      this.client.logger.warn(
+        `mssql: unique index [${indexName}] will not be deferrable ${deferrable} because mssql does not support deferred constraints.`
+      );
+    }
+    if (useConstraint && predicate) {
+      throw new Error('mssql cannot create constraint with predicate');
+    }
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+
+    if (!Array.isArray(columns)) {
+      columns = [columns];
+    }
+
+    if (useConstraint) {
+      // mssql supports unique indexes and unique constraints.
+      // unique indexes cannot be used with foreign key relationships hence unique constraints are used instead.
+      this.pushQuery(
+        `ALTER TABLE ${this.tableName()} ADD CONSTRAINT ${indexName} UNIQUE (${this.formatter.columnize(
+          columns
+        )})`
+      );
+    } else {
+      // default to making unique index that allows null https://stackoverflow.com/a/767702/360060
+      // to be more or less compatible with other DBs (if any of the columns is NULL then "duplicates" are allowed)
+      const predicateQuery = predicate
+        ? ' ' + this.client.queryCompiler(predicate).where()
+        : ' WHERE ' +
+          columns
+            .map((column) => this.formatter.columnize(column) + ' IS NOT NULL')
+            .join(' AND ');
+      this.pushQuery(
+        `CREATE UNIQUE INDEX ${indexName} ON ${this.tableName()} (${this.formatter.columnize(
+          columns
+        )})${predicateQuery}`
+      );
+    }
+  }
+
+  // Compile a drop index command.
+  dropIndex(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    this.pushQuery(`DROP INDEX ${indexName} ON ${this.tableName()}`);
+  }
+
+  // Compile a drop foreign key command.
+  dropForeign(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('foreign', this.tableNameRaw, columns);
+    this.pushQuery(
+      `ALTER TABLE ${this.tableName()} DROP CONSTRAINT ${indexName}`
+    );
+  }
+
+  // Compile a drop primary key command.
+  dropPrimary(constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    this.pushQuery(
+      `ALTER TABLE ${this.tableName()} DROP CONSTRAINT ${constraintName}`
+    );
+  }
+
+  // Compile a drop unique key command.
+  dropUnique(column, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, column);
+    this.pushQuery(`DROP INDEX ${indexName} ON ${this.tableName()}`);
+  }
+}
+
+TableCompiler_MSSQL.prototype.createAlterTableMethods = ['foreign', 'primary'];
+TableCompiler_MSSQL.prototype.lowerCase = false;
+
+TableCompiler_MSSQL.prototype.addColumnsPrefix = 'ADD ';
+TableCompiler_MSSQL.prototype.dropColumnPrefix = 'DROP COLUMN ';
+TableCompiler_MSSQL.prototype.alterColumnPrefix = 'ALTER COLUMN ';
+
+module.exports = TableCompiler_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/schema/mssql-viewcompiler.js

@@ -0,0 +1,55 @@
+/* eslint max-len: 0 */
+
+const ViewCompiler = require('../../../schema/viewcompiler.js');
+const {
+  columnize: columnize_,
+} = require('../../../formatter/wrappingFormatter');
+
+class ViewCompiler_MSSQL extends ViewCompiler {
+  constructor(client, viewCompiler) {
+    super(client, viewCompiler);
+  }
+
+  createQuery(columns, selectQuery, materialized, replace) {
+    const createStatement = 'CREATE ' + (replace ? 'OR ALTER ' : '') + 'VIEW ';
+    let sql = createStatement + this.viewName();
+
+    const columnList = columns
+      ? ' (' +
+        columnize_(
+          columns,
+          this.viewBuilder,
+          this.client,
+          this.bindingsHolder
+        ) +
+        ')'
+      : '';
+
+    sql += columnList;
+    sql += ' AS ';
+    sql += selectQuery.toString();
+    this.pushQuery({
+      sql,
+    });
+  }
+
+  renameColumn(from, to) {
+    this.pushQuery(
+      `exec sp_rename ${this.client.parameter(
+        this.viewName() + '.' + from,
+        this.viewBuilder,
+        this.bindingsHolder
+      )}, ${this.client.parameter(
+        to,
+        this.viewBuilder,
+        this.bindingsHolder
+      )}, 'COLUMN'`
+    );
+  }
+
+  createOrReplace() {
+    this.createQuery(this.columns, this.selectQuery, false, true);
+  }
+}
+
+module.exports = ViewCompiler_MSSQL;

backend/apis/nodejs/node_modules/knex/lib/dialects/mssql/transaction.js

@@ -0,0 +1,176 @@
+const Transaction = require('../../execution/transaction');
+const debug = require('debug')('knex:tx');
+
+class Transaction_MSSQL extends Transaction {
+  begin(/** @type {import('tedious').Connection} */ conn) {
+    debug('transaction::begin id=%s', this.txid);
+
+    return new Promise((resolve, reject) => {
+      conn.beginTransaction(
+        (err) => {
+          if (err) {
+            debug(
+              'transaction::begin error id=%s message=%s',
+              this.txid,
+              err.message
+            );
+            return reject(err);
+          }
+          resolve();
+        },
+        this.outerTx ? this.txid : undefined,
+        nameToIsolationLevelEnum(this.isolationLevel)
+      );
+    }).then(this._resolver, this._rejecter);
+  }
+
+  savepoint(conn) {
+    debug('transaction::savepoint id=%s', this.txid);
+
+    return new Promise((resolve, reject) => {
+      conn.saveTransaction(
+        (err) => {
+          if (err) {
+            debug(
+              'transaction::savepoint id=%s message=%s',
+              this.txid,
+              err.message
+            );
+            return reject(err);
+          }
+
+          this.trxClient.emit('query', {
+            __knexUid: this.trxClient.__knexUid,
+            __knexTxId: this.trxClient.__knexTxId,
+            autogenerated: true,
+            sql: this.outerTx
+              ? `SAVE TRANSACTION [${this.txid}]`
+              : `SAVE TRANSACTION`,
+          });
+          resolve();
+        },
+        this.outerTx ? this.txid : undefined
+      );
+    });
+  }
+
+  commit(conn, value) {
+    debug('transaction::commit id=%s', this.txid);
+
+    return new Promise((resolve, reject) => {
+      conn.commitTransaction(
+        (err) => {
+          if (err) {
+            debug(
+              'transaction::commit error id=%s message=%s',
+              this.txid,
+              err.message
+            );
+            return reject(err);
+          }
+
+          this._completed = true;
+          resolve(value);
+        },
+        this.outerTx ? this.txid : undefined
+      );
+    }).then(() => this._resolver(value), this._rejecter);
+  }
+
+  release(conn, value) {
+    return this._resolver(value);
+  }
+
+  rollback(conn, error) {
+    this._completed = true;
+    debug('transaction::rollback id=%s', this.txid);
+
+    return new Promise((_resolve, reject) => {
+      if (!conn.inTransaction) {
+        return reject(
+          error || new Error('Transaction rejected with non-error: undefined')
+        );
+      }
+
+      if (conn.state.name !== 'LoggedIn') {
+        return reject(
+          new Error(
+            "Can't rollback transaction. There is a request in progress"
+          )
+        );
+      }
+
+      conn.rollbackTransaction(
+        (err) => {
+          if (err) {
+            debug(
+              'transaction::rollback error id=%s message=%s',
+              this.txid,
+              err.message
+            );
+          }
+
+          reject(
+            err ||
+              error ||
+              new Error('Transaction rejected with non-error: undefined')
+          );
+        },
+        this.outerTx ? this.txid : undefined
+      );
+    }).catch((err) => {
+      if (!error && this.doNotRejectOnRollback) {
+        this._resolver();
+        return;
+      }
+      if (error) {
+        try {
+          err.originalError = error;
+        } catch (_err) {
+          // This is to handle https://github.com/knex/knex/issues/4128
+        }
+      }
+      this._rejecter(err);
+    });
+  }
+
+  rollbackTo(conn, error) {
+    return this.rollback(conn, error).then(
+      () =>
+        void this.trxClient.emit('query', {
+          __knexUid: this.trxClient.__knexUid,
+          __knexTxId: this.trxClient.__knexTxId,
+          autogenerated: true,
+          sql: `ROLLBACK TRANSACTION`,
+        })
+    );
+  }
+}
+
+module.exports = Transaction_MSSQL;
+
+function nameToIsolationLevelEnum(level) {
+  if (!level) return;
+  level = level.toUpperCase().replace(' ', '_');
+  const knownEnum = isolationEnum[level];
+  if (!knownEnum) {
+    throw new Error(
+      `Unknown Isolation level, was expecting one of: ${JSON.stringify(
+        humanReadableKeys
+      )}`
+    );
+  }
+  return knownEnum;
+}
+
+// Based on: https://github.com/tediousjs/node-mssql/blob/master/lib/isolationlevel.js
+const isolationEnum = {
+  READ_UNCOMMITTED: 0x01,
+  READ_COMMITTED: 0x02,
+  REPEATABLE_READ: 0x03,
+  SERIALIZABLE: 0x04,
+  SNAPSHOT: 0x05,
+};
+const humanReadableKeys = Object.keys(isolationEnum).map((key) =>
+  key.toLowerCase().replace('_', ' ')
+);