Change endpoint from persons to people

backend/apis/nodejs/node_modules/knex/lib/dialects/postgres/execution/pg-transaction.js

@@ -0,0 +1,19 @@
+const Transaction = require('../../../execution/transaction');
+
+class Transaction_PG extends Transaction {
+  begin(conn) {
+    const trxMode = [
+      this.isolationLevel ? `ISOLATION LEVEL ${this.isolationLevel}` : '',
+      this.readOnly ? 'READ ONLY' : '',
+    ]
+      .join(' ')
+      .trim();
+
+    if (trxMode.length === 0) {
+      return this.query(conn, 'BEGIN;');
+    }
+    return this.query(conn, `BEGIN TRANSACTION ${trxMode};`);
+  }
+}
+
+module.exports = Transaction_PG;

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

@@ -0,0 +1,361 @@
+// PostgreSQL
+// -------
+const extend = require('lodash/extend');
+const map = require('lodash/map');
+const { promisify } = require('util');
+const Client = require('../../client');
+
+const Transaction = require('./execution/pg-transaction');
+const QueryCompiler = require('./query/pg-querycompiler');
+const QueryBuilder = require('./query/pg-querybuilder');
+const ColumnCompiler = require('./schema/pg-columncompiler');
+const TableCompiler = require('./schema/pg-tablecompiler');
+const ViewCompiler = require('./schema/pg-viewcompiler');
+const ViewBuilder = require('./schema/pg-viewbuilder');
+const SchemaCompiler = require('./schema/pg-compiler');
+const { makeEscape } = require('../../util/string');
+const { isString } = require('../../util/is');
+
+class Client_PG extends Client {
+  constructor(config) {
+    super(config);
+    if (config.returning) {
+      this.defaultReturning = config.returning;
+    }
+
+    if (config.searchPath) {
+      this.searchPath = config.searchPath;
+    }
+  }
+  transaction() {
+    return new Transaction(this, ...arguments);
+  }
+
+  queryBuilder() {
+    return new QueryBuilder(this);
+  }
+
+  queryCompiler(builder, formatter) {
+    return new QueryCompiler(this, builder, formatter);
+  }
+
+  columnCompiler() {
+    return new ColumnCompiler(this, ...arguments);
+  }
+
+  schemaCompiler() {
+    return new SchemaCompiler(this, ...arguments);
+  }
+
+  tableCompiler() {
+    return new TableCompiler(this, ...arguments);
+  }
+
+  viewCompiler() {
+    return new ViewCompiler(this, ...arguments);
+  }
+
+  viewBuilder() {
+    return new ViewBuilder(this, ...arguments);
+  }
+
+  _driver() {
+    return require('pg');
+  }
+
+  wrapIdentifierImpl(value) {
+    if (value === '*') return value;
+
+    let arrayAccessor = '';
+    const arrayAccessorMatch = value.match(/(.*?)(\[[0-9]+\])/);
+
+    if (arrayAccessorMatch) {
+      value = arrayAccessorMatch[1];
+      arrayAccessor = arrayAccessorMatch[2];
+    }
+
+    return `"${value.replace(/"/g, '""')}"${arrayAccessor}`;
+  }
+
+  _acquireOnlyConnection() {
+    const connection = new this.driver.Client(this.connectionSettings);
+
+    connection.on('error', (err) => {
+      connection.__knex__disposed = err;
+    });
+
+    connection.on('end', (err) => {
+      connection.__knex__disposed = err || 'Connection ended unexpectedly';
+    });
+
+    return connection.connect().then(() => connection);
+  }
+
+  // Get a raw connection, called by the `pool` whenever a new
+  // connection needs to be added to the pool.
+  acquireRawConnection() {
+    const client = this;
+
+    return this._acquireOnlyConnection()
+      .then(function (connection) {
+        if (!client.version) {
+          return client.checkVersion(connection).then(function (version) {
+            client.version = version;
+            return connection;
+          });
+        }
+
+        return connection;
+      })
+      .then(async function setSearchPath(connection) {
+        await client.setSchemaSearchPath(connection);
+        return connection;
+      });
+  }
+
+  // Used to explicitly close a connection, called internally by the pool
+  // when a connection times out or the pool is shutdown.
+  async destroyRawConnection(connection) {
+    const end = promisify((cb) => connection.end(cb));
+    return end();
+  }
+
+  // In PostgreSQL, we need to do a version check to do some feature
+  // checking on the database.
+  checkVersion(connection) {
+    return new Promise((resolve, reject) => {
+      connection.query('select version();', (err, resp) => {
+        if (err) return reject(err);
+        resolve(this._parseVersion(resp.rows[0].version));
+      });
+    });
+  }
+
+  _parseVersion(versionString) {
+    return /^PostgreSQL (.*?)( |$)/.exec(versionString)[1];
+  }
+
+  // Position the bindings for the query. The escape sequence for question mark
+  // is \? (e.g. knex.raw("\\?") since javascript requires '\' to be escaped too...)
+  positionBindings(sql) {
+    let questionCount = 0;
+    return sql.replace(/(\\*)(\?)/g, function (match, escapes) {
+      if (escapes.length % 2) {
+        return '?';
+      } else {
+        questionCount++;
+        return `$${questionCount}`;
+      }
+    });
+  }
+
+  setSchemaSearchPath(connection, searchPath) {
+    let path = searchPath || this.searchPath;
+
+    if (!path) return Promise.resolve(true);
+
+    if (!Array.isArray(path) && !isString(path)) {
+      throw new TypeError(
+        `knex: Expected searchPath to be Array/String, got: ${typeof path}`
+      );
+    }
+
+    if (isString(path)) {
+      if (path.includes(',')) {
+        const parts = path.split(',');
+        const arraySyntax = `[${parts
+          .map((searchPath) => `'${searchPath}'`)
+          .join(', ')}]`;
+        this.logger.warn(
+          `Detected comma in searchPath "${path}".` +
+            `If you are trying to specify multiple schemas, use Array syntax: ${arraySyntax}`
+        );
+      }
+      path = [path];
+    }
+
+    path = path.map((schemaName) => `"${schemaName}"`).join(',');
+
+    return new Promise(function (resolver, rejecter) {
+      connection.query(`set search_path to ${path}`, function (err) {
+        if (err) return rejecter(err);
+        resolver(true);
+      });
+    });
+  }
+
+  _stream(connection, obj, stream, options) {
+    if (!obj.sql) throw new Error('The query is empty');
+
+    const PGQueryStream = process.browser
+      ? undefined
+      : require('pg-query-stream');
+    const sql = obj.sql;
+
+    return new Promise(function (resolver, rejecter) {
+      const queryStream = connection.query(
+        new PGQueryStream(sql, obj.bindings, options),
+        (err) => {
+          rejecter(err);
+        }
+      );
+
+      queryStream.on('error', function (error) {
+        rejecter(error);
+        stream.emit('error', error);
+      });
+
+      // 'end' IS propagated by .pipe, by default
+      stream.on('end', resolver);
+      queryStream.pipe(stream);
+    });
+  }
+
+  // Runs the query on the specified connection, providing the bindings
+  // and any other necessary prep work.
+  _query(connection, obj) {
+    if (!obj.sql) throw new Error('The query is empty');
+
+    let queryConfig = {
+      text: obj.sql,
+      values: obj.bindings || [],
+    };
+
+    if (obj.options) {
+      queryConfig = extend(queryConfig, obj.options);
+    }
+
+    return new Promise(function (resolver, rejecter) {
+      connection.query(queryConfig, function (err, response) {
+        if (err) return rejecter(err);
+        obj.response = response;
+        resolver(obj);
+      });
+    });
+  }
+
+  // Ensures the response is returned in the same format as other clients.
+  processResponse(obj, runner) {
+    const resp = obj.response;
+    if (obj.output) return obj.output.call(runner, resp);
+    if (obj.method === 'raw') return resp;
+    const { returning } = obj;
+    if (resp.command === 'SELECT') {
+      if (obj.method === 'first') return resp.rows[0];
+      if (obj.method === 'pluck') return map(resp.rows, obj.pluck);
+      return resp.rows;
+    }
+    if (returning) {
+      const returns = [];
+      for (let i = 0, l = resp.rows.length; i < l; i++) {
+        const row = resp.rows[i];
+        returns[i] = row;
+      }
+      return returns;
+    }
+    if (resp.command === 'UPDATE' || resp.command === 'DELETE') {
+      return resp.rowCount;
+    }
+    return resp;
+  }
+
+  async cancelQuery(connectionToKill) {
+    const conn = await this.acquireRawConnection();
+
+    try {
+      return await this._wrappedCancelQueryCall(conn, connectionToKill);
+    } finally {
+      await this.destroyRawConnection(conn).catch((err) => {
+        this.logger.warn(`Connection Error: ${err}`);
+      });
+    }
+  }
+  _wrappedCancelQueryCall(conn, connectionToKill) {
+    return this._query(conn, {
+      sql: 'SELECT pg_cancel_backend($1);',
+      bindings: [connectionToKill.processID],
+      options: {},
+    });
+  }
+
+  toPathForJson(jsonPath) {
+    const PG_PATH_REGEX = /^{.*}$/;
+    if (jsonPath.match(PG_PATH_REGEX)) {
+      return jsonPath;
+    }
+    return (
+      '{' +
+      jsonPath
+        .replace(/^(\$\.)/, '') // remove the first dollar
+        .replace('.', ',')
+        .replace(/\[([0-9]+)]/, ',$1') + // transform [number] to ,number
+      '}'
+    );
+  }
+}
+
+Object.assign(Client_PG.prototype, {
+  dialect: 'postgresql',
+
+  driverName: 'pg',
+  canCancelQuery: true,
+
+  _escapeBinding: makeEscape({
+    escapeArray(val, esc) {
+      return esc(arrayString(val, esc));
+    },
+    escapeString(str) {
+      let hasBackslash = false;
+      let escaped = "'";
+      for (let i = 0; i < str.length; i++) {
+        const c = str[i];
+        if (c === "'") {
+          escaped += c + c;
+        } else if (c === '\\') {
+          escaped += c + c;
+          hasBackslash = true;
+        } else {
+          escaped += c;
+        }
+      }
+      escaped += "'";
+      if (hasBackslash === true) {
+        escaped = 'E' + escaped;
+      }
+      return escaped;
+    },
+    escapeObject(val, prepareValue, timezone, seen = []) {
+      if (val && typeof val.toPostgres === 'function') {
+        seen = seen || [];
+        if (seen.indexOf(val) !== -1) {
+          throw new Error(
+            `circular reference detected while preparing "${val}" for query`
+          );
+        }
+        seen.push(val);
+        return prepareValue(val.toPostgres(prepareValue), seen);
+      }
+      return JSON.stringify(val);
+    },
+  }),
+});
+
+function arrayString(arr, esc) {
+  let result = '{';
+  for (let i = 0; i < arr.length; i++) {
+    if (i > 0) result += ',';
+    const val = arr[i];
+    if (val === null || typeof val === 'undefined') {
+      result += 'NULL';
+    } else if (Array.isArray(val)) {
+      result += arrayString(val, esc);
+    } else if (typeof val === 'number') {
+      result += val;
+    } else {
+      result += JSON.stringify(typeof val === 'string' ? val : esc(val));
+    }
+  }
+  return result + '}';
+}
+
+module.exports = Client_PG;

backend/apis/nodejs/node_modules/knex/lib/dialects/postgres/query/pg-querybuilder.js

@@ -0,0 +1,43 @@
+const QueryBuilder = require('../../../query/querybuilder.js');
+
+module.exports = class QueryBuilder_PostgreSQL extends QueryBuilder {
+  updateFrom(name) {
+    this._single.updateFrom = name;
+    return this;
+  }
+
+  using(tables) {
+    this._single.using = tables;
+    return this;
+  }
+
+  withMaterialized(alias, statementOrColumnList, nothingOrStatement) {
+    this._validateWithArgs(
+      alias,
+      statementOrColumnList,
+      nothingOrStatement,
+      'with'
+    );
+    return this.withWrapped(
+      alias,
+      statementOrColumnList,
+      nothingOrStatement,
+      true
+    );
+  }
+
+  withNotMaterialized(alias, statementOrColumnList, nothingOrStatement) {
+    this._validateWithArgs(
+      alias,
+      statementOrColumnList,
+      nothingOrStatement,
+      'with'
+    );
+    return this.withWrapped(
+      alias,
+      statementOrColumnList,
+      nothingOrStatement,
+      false
+    );
+  }
+};

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

@@ -0,0 +1,400 @@
+// PostgreSQL Query Builder & Compiler
+// ------
+const identity = require('lodash/identity');
+const reduce = require('lodash/reduce');
+
+const QueryCompiler = require('../../../query/querycompiler');
+const {
+  wrapString,
+  columnize: columnize_,
+  operator: operator_,
+  wrap: wrap_,
+} = require('../../../formatter/wrappingFormatter');
+
+class QueryCompiler_PG extends QueryCompiler {
+  constructor(client, builder, formatter) {
+    super(client, builder, formatter);
+    this._defaultInsertValue = 'default';
+  }
+
+  // Compiles a truncate query.
+  truncate() {
+    return `truncate ${this.tableName} restart identity`;
+  }
+
+  // is used if the an array with multiple empty values supplied
+
+  // Compiles an `insert` query, allowing for multiple
+  // inserts using a single query statement.
+  insert() {
+    let sql = super.insert();
+    if (sql === '') return sql;
+
+    const { returning, onConflict, ignore, merge, insert } = this.single;
+    if (onConflict && ignore) sql += this._ignore(onConflict);
+    if (onConflict && merge) {
+      sql += this._merge(merge.updates, onConflict, insert);
+      const wheres = this.where();
+      if (wheres) sql += ` ${wheres}`;
+    }
+    if (returning) sql += this._returning(returning);
+
+    return {
+      sql,
+      returning,
+    };
+  }
+
+  // Compiles an `update` query, allowing for a return value.
+  update() {
+    const withSQL = this.with();
+    const updateData = this._prepUpdate(this.single.update);
+    const wheres = this.where();
+    const { returning, updateFrom } = this.single;
+    return {
+      sql:
+        withSQL +
+        `update ${this.single.only ? 'only ' : ''}${this.tableName} ` +
+        `set ${updateData.join(', ')}` +
+        this._updateFrom(updateFrom) +
+        (wheres ? ` ${wheres}` : '') +
+        this._returning(returning),
+      returning,
+    };
+  }
+
+  using() {
+    const usingTables = this.single.using;
+    if (!usingTables) return;
+    let sql = 'using ';
+    if (Array.isArray(usingTables)) {
+      sql += usingTables
+        .map((table) => {
+          return this.formatter.wrap(table);
+        })
+        .join(',');
+    } else {
+      sql += this.formatter.wrap(usingTables);
+    }
+    return sql;
+  }
+
+  // Compiles an `delete` query, allowing for a return value.
+  del() {
+    // Make sure tableName is processed by the formatter first.
+    const { tableName } = this;
+    const withSQL = this.with();
+    let wheres = this.where() || '';
+    let using = this.using() || '';
+    const joins = this.grouped.join;
+
+    const tableJoins = [];
+    if (Array.isArray(joins)) {
+      for (const join of joins) {
+        tableJoins.push(
+          wrap_(
+            this._joinTable(join),
+            undefined,
+            this.builder,
+            this.client,
+            this.bindingsHolder
+          )
+        );
+
+        const joinWheres = [];
+        for (const clause of join.clauses) {
+          joinWheres.push(
+            this.whereBasic({
+              column: clause.column,
+              operator: '=',
+              value: clause.value,
+              asColumn: true,
+            })
+          );
+        }
+        if (joinWheres.length > 0) {
+          wheres += (wheres ? ' and ' : 'where ') + joinWheres.join(' and ');
+        }
+      }
+      if (tableJoins.length > 0) {
+        using += (using ? ',' : 'using ') + tableJoins.join(',');
+      }
+    }
+
+    // With 'using' syntax, no tablename between DELETE and FROM.
+    const sql =
+      withSQL +
+      `delete from ${this.single.only ? 'only ' : ''}${tableName}` +
+      (using ? ` ${using}` : '') +
+      (wheres ? ` ${wheres}` : '');
+    const { returning } = this.single;
+    return {
+      sql: sql + this._returning(returning),
+      returning,
+    };
+  }
+
+  aggregate(stmt) {
+    return this._aggregate(stmt, { distinctParentheses: true });
+  }
+
+  _returning(value) {
+    return value ? ` returning ${this.formatter.columnize(value)}` : '';
+  }
+
+  _updateFrom(name) {
+    return name ? ` from ${this.formatter.wrap(name)}` : '';
+  }
+
+  _ignore(columns) {
+    if (columns === true) {
+      return ' on conflict do nothing';
+    }
+    return ` on conflict ${this._onConflictClause(columns)} do nothing`;
+  }
+
+  _merge(updates, columns, insert) {
+    let sql = ` on conflict ${this._onConflictClause(columns)} do update set `;
+    if (updates && Array.isArray(updates)) {
+      sql += updates
+        .map((column) =>
+          wrapString(
+            column.split('.').pop(),
+            this.formatter.builder,
+            this.client,
+            this.formatter
+          )
+        )
+        .map((column) => `${column} = excluded.${column}`)
+        .join(', ');
+
+      return sql;
+    } else if (updates && typeof updates === 'object') {
+      const updateData = this._prepUpdate(updates);
+      if (typeof updateData === 'string') {
+        sql += updateData;
+      } else {
+        sql += updateData.join(',');
+      }
+
+      return sql;
+    } else {
+      const insertData = this._prepInsert(insert);
+      if (typeof insertData === 'string') {
+        throw new Error(
+          'If using merge with a raw insert query, then updates must be provided'
+        );
+      }
+
+      sql += insertData.columns
+        .map((column) =>
+          wrapString(column.split('.').pop(), this.builder, this.client)
+        )
+        .map((column) => `${column} = excluded.${column}`)
+        .join(', ');
+
+      return sql;
+    }
+  }
+
+  // Join array of table names and apply default schema.
+  _tableNames(tables) {
+    const schemaName = this.single.schema;
+    const sql = [];
+
+    for (let i = 0; i < tables.length; i++) {
+      let tableName = tables[i];
+
+      if (tableName) {
+        if (schemaName) {
+          tableName = `${schemaName}.${tableName}`;
+        }
+        sql.push(this.formatter.wrap(tableName));
+      }
+    }
+
+    return sql.join(', ');
+  }
+
+  _lockingClause(lockMode) {
+    const tables = this.single.lockTables || [];
+
+    return lockMode + (tables.length ? ' of ' + this._tableNames(tables) : '');
+  }
+
+  _groupOrder(item, type) {
+    return super._groupOrderNulls(item, type);
+  }
+
+  forUpdate() {
+    return this._lockingClause('for update');
+  }
+
+  forShare() {
+    return this._lockingClause('for share');
+  }
+
+  forNoKeyUpdate() {
+    return this._lockingClause('for no key update');
+  }
+
+  forKeyShare() {
+    return this._lockingClause('for key share');
+  }
+
+  skipLocked() {
+    return 'skip locked';
+  }
+
+  noWait() {
+    return 'nowait';
+  }
+
+  // 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);
+    }
+
+    const sql =
+      'select * from information_schema.columns where table_name = ? and table_catalog = current_database()';
+    const bindings = [table];
+
+    return this._buildColumnInfoQuery(schema, sql, bindings, column);
+  }
+
+  _buildColumnInfoQuery(schema, sql, bindings, column) {
+    if (schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(schema);
+    } else {
+      sql += ' and table_schema = current_schema()';
+    }
+
+    return {
+      sql,
+      bindings,
+      output(resp) {
+        const out = reduce(
+          resp.rows,
+          function (columns, val) {
+            columns[val.column_name] = {
+              type: val.data_type,
+              maxLength: val.character_maximum_length,
+              nullable: val.is_nullable === 'YES',
+              defaultValue: val.column_default,
+            };
+            return columns;
+          },
+          {}
+        );
+        return (column && out[column]) || out;
+      },
+    };
+  }
+
+  distinctOn(value) {
+    return 'distinct on (' + this.formatter.columnize(value) + ') ';
+  }
+
+  // Json functions
+  jsonExtract(params) {
+    return this._jsonExtract('jsonb_path_query', params);
+  }
+
+  jsonSet(params) {
+    return this._jsonSet(
+      'jsonb_set',
+      Object.assign({}, params, {
+        path: this.client.toPathForJson(params.path),
+      })
+    );
+  }
+
+  jsonInsert(params) {
+    return this._jsonSet(
+      'jsonb_insert',
+      Object.assign({}, params, {
+        path: this.client.toPathForJson(params.path),
+      })
+    );
+  }
+
+  jsonRemove(params) {
+    const jsonCol = `${columnize_(
+      params.column,
+      this.builder,
+      this.client,
+      this.bindingsHolder
+    )} #- ${this.client.parameter(
+      this.client.toPathForJson(params.path),
+      this.builder,
+      this.bindingsHolder
+    )}`;
+    return params.alias
+      ? this.client.alias(jsonCol, this.formatter.wrap(params.alias))
+      : jsonCol;
+  }
+
+  whereJsonPath(statement) {
+    let castValue = '';
+    if (!isNaN(statement.value) && parseInt(statement.value)) {
+      castValue = '::int';
+    } else if (!isNaN(statement.value) && parseFloat(statement.value)) {
+      castValue = '::float';
+    } else {
+      castValue = " #>> '{}'";
+    }
+    return `jsonb_path_query_first(${this._columnClause(
+      statement
+    )}, ${this.client.parameter(
+      statement.jsonPath,
+      this.builder,
+      this.bindingsHolder
+    )})${castValue} ${operator_(
+      statement.operator,
+      this.builder,
+      this.client,
+      this.bindingsHolder
+    )} ${this._jsonValueClause(statement)}`;
+  }
+
+  whereJsonSupersetOf(statement) {
+    return this._not(
+      statement,
+      `${wrap_(
+        statement.column,
+        undefined,
+        this.builder,
+        this.client,
+        this.bindingsHolder
+      )} @> ${this._jsonValueClause(statement)}`
+    );
+  }
+
+  whereJsonSubsetOf(statement) {
+    return this._not(
+      statement,
+      `${columnize_(
+        statement.column,
+        this.builder,
+        this.client,
+        this.bindingsHolder
+      )} <@ ${this._jsonValueClause(statement)}`
+    );
+  }
+
+  onJsonPathEquals(clause) {
+    return this._onJsonPathEquals('jsonb_path_query_first', clause);
+  }
+}
+
+module.exports = QueryCompiler_PG;

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

@@ -0,0 +1,156 @@
+// PostgreSQL Column Compiler
+// -------
+
+const ColumnCompiler = require('../../../schema/columncompiler');
+const { isObject } = require('../../../util/is');
+const { toNumber } = require('../../../util/helpers');
+const commentEscapeRegex = /(?<!')'(?!')/g;
+
+class ColumnCompiler_PG extends ColumnCompiler {
+  constructor(client, tableCompiler, columnBuilder) {
+    super(client, tableCompiler, columnBuilder);
+    this.modifiers = ['nullable', 'defaultTo', 'comment'];
+    this._addCheckModifiers();
+  }
+
+  // Types
+  // ------
+
+  bit(column) {
+    return column.length !== false ? `bit(${column.length})` : 'bit';
+  }
+
+  // Create the column definition for an enum type.
+  // Using method "2" here: http://stackoverflow.com/a/10984951/525714
+  enu(allowed, options) {
+    options = options || {};
+
+    const values =
+      options.useNative && options.existingType
+        ? undefined
+        : allowed.join("', '");
+
+    if (options.useNative) {
+      let enumName = '';
+      const schemaName = options.schemaName || this.tableCompiler.schemaNameRaw;
+
+      if (schemaName) {
+        enumName += `"${schemaName}".`;
+      }
+
+      enumName += `"${options.enumName}"`;
+
+      if (!options.existingType) {
+        this.tableCompiler.unshiftQuery(
+          `create type ${enumName} as enum ('${values}')`
+        );
+      }
+
+      return enumName;
+    }
+    return `text check (${this.formatter.wrap(this.args[0])} in ('${values}'))`;
+  }
+
+  decimal(precision, scale) {
+    if (precision === null) return 'decimal';
+    return `decimal(${toNumber(precision, 8)}, ${toNumber(scale, 2)})`;
+  }
+
+  json(jsonb) {
+    if (jsonb) this.client.logger.deprecate('json(true)', 'jsonb()');
+    return jsonColumn(this.client, jsonb);
+  }
+
+  jsonb() {
+    return jsonColumn(this.client, true);
+  }
+
+  checkRegex(regex, constraintName) {
+    return this._check(
+      `${this.formatter.wrap(
+        this.getColumnName()
+      )} ~ ${this.client._escapeBinding(regex)}`,
+      constraintName
+    );
+  }
+
+  datetime(withoutTz = false, precision) {
+    let useTz;
+    if (isObject(withoutTz)) {
+      ({ useTz, precision } = withoutTz);
+    } else {
+      useTz = !withoutTz;
+    }
+    useTz = typeof useTz === 'boolean' ? useTz : true;
+    precision =
+      precision !== undefined && precision !== null
+        ? '(' + precision + ')'
+        : '';
+
+    return `${useTz ? 'timestamptz' : 'timestamp'}${precision}`;
+  }
+
+  timestamp(withoutTz = false, precision) {
+    return this.datetime(withoutTz, precision);
+  }
+
+  // Modifiers:
+  // ------
+  comment(comment) {
+    const columnName = this.args[0] || this.defaults('columnName');
+    const escapedComment = comment
+      ? `'${comment.replace(commentEscapeRegex, "''")}'`
+      : 'NULL';
+
+    this.pushAdditional(function () {
+      this.pushQuery(
+        `comment on column ${this.tableCompiler.tableName()}.` +
+          this.formatter.wrap(columnName) +
+          ` is ${escapedComment}`
+      );
+    }, comment);
+  }
+
+  increments(options = { primaryKey: true }) {
+    return (
+      'serial' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+
+  bigincrements(options = { primaryKey: true }) {
+    return (
+      'bigserial' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+
+  uuid(options = { primaryKey: false }) {
+    return (
+      'uuid' +
+      (this.tableCompiler._canBeAddPrimaryKey(options) ? ' primary key' : '')
+    );
+  }
+}
+
+ColumnCompiler_PG.prototype.bigint = 'bigint';
+ColumnCompiler_PG.prototype.binary = 'bytea';
+ColumnCompiler_PG.prototype.bool = 'boolean';
+ColumnCompiler_PG.prototype.double = 'double precision';
+ColumnCompiler_PG.prototype.floating = 'real';
+ColumnCompiler_PG.prototype.smallint = 'smallint';
+ColumnCompiler_PG.prototype.tinyint = 'smallint';
+
+function jsonColumn(client, jsonb) {
+  if (
+    !client.version ||
+    client.config.client === 'cockroachdb' ||
+    client.config.jsonbSupport === true ||
+    parseFloat(client.version) >= 9.2
+  ) {
+    return jsonb ? 'jsonb' : 'json';
+  }
+  return 'text';
+}
+
+module.exports = ColumnCompiler_PG;

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

@@ -0,0 +1,138 @@
+// PostgreSQL Schema Compiler
+// -------
+
+const SchemaCompiler = require('../../../schema/compiler');
+
+class SchemaCompiler_PG extends SchemaCompiler {
+  constructor(client, builder) {
+    super(client, builder);
+  }
+
+  // Check whether the current table
+  hasTable(tableName) {
+    let sql = 'select * from information_schema.tables where table_name = ?';
+    const bindings = [tableName];
+
+    if (this.schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(this.schema);
+    } else {
+      sql += ' and table_schema = current_schema()';
+    }
+
+    this.pushQuery({
+      sql,
+      bindings,
+      output(resp) {
+        return resp.rows.length > 0;
+      },
+    });
+  }
+
+  // Compile the query to determine if a column exists in a table.
+  hasColumn(tableName, columnName) {
+    let sql =
+      'select * from information_schema.columns where table_name = ? and column_name = ?';
+    const bindings = [tableName, columnName];
+
+    if (this.schema) {
+      sql += ' and table_schema = ?';
+      bindings.push(this.schema);
+    } else {
+      sql += ' and table_schema = current_schema()';
+    }
+
+    this.pushQuery({
+      sql,
+      bindings,
+      output(resp) {
+        return resp.rows.length > 0;
+      },
+    });
+  }
+
+  qualifiedTableName(tableName) {
+    const name = this.schema ? `${this.schema}.${tableName}` : tableName;
+    return this.formatter.wrap(name);
+  }
+
+  // Compile a rename table command.
+  renameTable(from, to) {
+    this.pushQuery(
+      `alter table ${this.qualifiedTableName(
+        from
+      )} rename to ${this.formatter.wrap(to)}`
+    );
+  }
+
+  createSchema(schemaName) {
+    this.pushQuery(`create schema ${this.formatter.wrap(schemaName)}`);
+  }
+
+  createSchemaIfNotExists(schemaName) {
+    this.pushQuery(
+      `create schema if not exists ${this.formatter.wrap(schemaName)}`
+    );
+  }
+
+  dropSchema(schemaName, cascade = false) {
+    this.pushQuery(
+      `drop schema ${this.formatter.wrap(schemaName)}${
+        cascade ? ' cascade' : ''
+      }`
+    );
+  }
+
+  dropSchemaIfExists(schemaName, cascade = false) {
+    this.pushQuery(
+      `drop schema if exists ${this.formatter.wrap(schemaName)}${
+        cascade ? ' cascade' : ''
+      }`
+    );
+  }
+
+  dropExtension(extensionName) {
+    this.pushQuery(`drop extension ${this.formatter.wrap(extensionName)}`);
+  }
+
+  dropExtensionIfExists(extensionName) {
+    this.pushQuery(
+      `drop extension if exists ${this.formatter.wrap(extensionName)}`
+    );
+  }
+
+  createExtension(extensionName) {
+    this.pushQuery(`create extension ${this.formatter.wrap(extensionName)}`);
+  }
+
+  createExtensionIfNotExists(extensionName) {
+    this.pushQuery(
+      `create extension if not exists ${this.formatter.wrap(extensionName)}`
+    );
+  }
+
+  renameView(from, to) {
+    this.pushQuery(
+      this.alterViewPrefix +
+        `${this.formatter.wrap(from)} rename to ${this.formatter.wrap(to)}`
+    );
+  }
+
+  refreshMaterializedView(viewName, concurrently = false) {
+    this.pushQuery({
+      sql: `refresh materialized view${
+        concurrently ? ' concurrently' : ''
+      } ${this.formatter.wrap(viewName)}`,
+    });
+  }
+
+  dropMaterializedView(viewName) {
+    this._dropView(viewName, false, true);
+  }
+
+  dropMaterializedViewIfExists(viewName) {
+    this._dropView(viewName, true, true);
+  }
+}
+
+module.exports = SchemaCompiler_PG;

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

@@ -0,0 +1,304 @@
+/* eslint max-len: 0 */
+
+// PostgreSQL Table Builder & Compiler
+// -------
+
+const has = require('lodash/has');
+const TableCompiler = require('../../../schema/tablecompiler');
+const { isObject, isString } = require('../../../util/is');
+
+class TableCompiler_PG extends TableCompiler {
+  constructor(client, tableBuilder) {
+    super(client, tableBuilder);
+  }
+
+  // Compile a rename column command.
+  renameColumn(from, to) {
+    return this.pushQuery({
+      sql: `alter table ${this.tableName()} rename ${this.formatter.wrap(
+        from
+      )} to ${this.formatter.wrap(to)}`,
+    });
+  }
+
+  _setNullableState(column, isNullable) {
+    const constraintAction = isNullable ? 'drop not null' : 'set not null';
+    const sql = `alter table ${this.tableName()} alter column ${this.formatter.wrap(
+      column
+    )} ${constraintAction}`;
+    return this.pushQuery({
+      sql: sql,
+    });
+  }
+
+  compileAdd(builder) {
+    const table = this.formatter.wrap(builder);
+    const columns = this.prefixArray('add column', this.getColumns(builder));
+    return this.pushQuery({
+      sql: `alter table ${table} ${columns.join(', ')}`,
+    });
+  }
+
+  // Adds the "create" query to the query sequence.
+  createQuery(columns, ifNot, like) {
+    const createStatement = ifNot
+      ? 'create table if not exists '
+      : 'create table ';
+    const columnsSql = ` (${columns.sql.join(', ')}${
+      this.primaryKeys() || ''
+    }${this._addChecks()})`;
+
+    let sql =
+      createStatement +
+      this.tableName() +
+      (like && this.tableNameLike()
+        ? ' (like ' +
+          this.tableNameLike() +
+          ' including all' +
+          (columns.sql.length ? ', ' + columns.sql.join(', ') : '') +
+          ')'
+        : columnsSql);
+    if (this.single.inherits)
+      sql += ` inherits (${this.formatter.wrap(this.single.inherits)})`;
+    this.pushQuery({
+      sql,
+      bindings: columns.bindings,
+    });
+    const hasComment = has(this.single, 'comment');
+    if (hasComment) this.comment(this.single.comment);
+  }
+
+  primaryKeys() {
+    const pks = (this.grouped.alterTable || []).filter(
+      (k) => k.method === 'primary'
+    );
+    if (pks.length > 0 && pks[0].args.length > 0) {
+      const columns = pks[0].args[0];
+      let constraintName = pks[0].args[1] || '';
+      let deferrable;
+      if (isObject(constraintName)) {
+        ({ constraintName, deferrable } = constraintName);
+      }
+      deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+      constraintName = constraintName
+        ? this.formatter.wrap(constraintName)
+        : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+
+      return `, constraint ${constraintName} primary key (${this.formatter.columnize(
+        columns
+      )})${deferrable}`;
+    }
+  }
+
+  addColumns(columns, prefix, colCompilers) {
+    if (prefix === this.alterColumnsPrefix) {
+      // alter columns
+      for (const col of colCompilers) {
+        this._addColumn(col);
+      }
+    } else {
+      // base class implementation for normal add
+      super.addColumns(columns, prefix);
+    }
+  }
+
+  _addColumn(col) {
+    const quotedTableName = this.tableName();
+    const type = col.getColumnType();
+    // We'd prefer to call this.formatter.wrapAsIdentifier here instead, however the context passed to
+    // `this` instance is not that of the column, but of the table. Thus, we unfortunately have to call
+    // `wrapIdentifier` here as well (it is already called once on the initial column operation) to give
+    // our `alter` operation the correct `queryContext`. Refer to issue #2606 and PR #2612.
+    const colName = this.client.wrapIdentifier(
+      col.getColumnName(),
+      col.columnBuilder.queryContext()
+    );
+
+    // To alter enum columns they must be cast to text first
+    const isEnum = col.type === 'enu';
+    this.pushQuery({
+      sql: `alter table ${quotedTableName} alter column ${colName} drop default`,
+      bindings: [],
+    });
+
+    const alterNullable = col.columnBuilder.alterNullable;
+    if (alterNullable) {
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} drop not null`,
+        bindings: [],
+      });
+    }
+
+    const alterType = col.columnBuilder.alterType;
+    if (alterType) {
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} type ${type} using (${colName}${
+          isEnum ? '::text::' : '::'
+        }${type})`,
+        bindings: [],
+      });
+    }
+
+    const defaultTo = col.modified['defaultTo'];
+    if (defaultTo) {
+      const modifier = col.defaultTo.apply(col, defaultTo);
+      this.pushQuery({
+        sql: `alter table ${quotedTableName} alter column ${colName} set ${modifier}`,
+        bindings: [],
+      });
+    }
+
+    if (alterNullable) {
+      const nullable = col.modified['nullable'];
+      if (nullable && nullable[0] === false) {
+        this.pushQuery({
+          sql: `alter table ${quotedTableName} alter column ${colName} set not null`,
+          bindings: [],
+        });
+      }
+    }
+  }
+
+  // Compiles the comment on the table.
+  comment(comment) {
+    this.pushQuery(
+      `comment on table ${this.tableName()} is '${this.single.comment}'`
+    );
+  }
+
+  // Indexes:
+  // -------
+
+  primary(columns, constraintName) {
+    let deferrable;
+    if (isObject(constraintName)) {
+      ({ constraintName, deferrable } = constraintName);
+    }
+    deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(`${this.tableNameRaw}_pkey`);
+    if (this.method !== 'create' && this.method !== 'createIfNot') {
+      this.pushQuery(
+        `alter table ${this.tableName()} add constraint ${constraintName} primary key (${this.formatter.columnize(
+          columns
+        )})${deferrable}`
+      );
+    }
+  }
+
+  unique(columns, indexName) {
+    let deferrable;
+    let useConstraint = true;
+    let predicate;
+    if (isObject(indexName)) {
+      ({ indexName, deferrable, useConstraint, predicate } = indexName);
+      if (useConstraint === undefined) {
+        useConstraint = !!deferrable || !predicate;
+      }
+    }
+    if (!useConstraint && deferrable && deferrable !== 'not deferrable') {
+      throw new Error('postgres cannot create deferrable index');
+    }
+    if (useConstraint && predicate) {
+      throw new Error('postgres cannot create constraint with predicate');
+    }
+    deferrable = deferrable ? ` deferrable initially ${deferrable}` : '';
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+
+    if (useConstraint) {
+      this.pushQuery(
+        `alter table ${this.tableName()} add constraint ${indexName}` +
+          ' unique (' +
+          this.formatter.columnize(columns) +
+          ')' +
+          deferrable
+      );
+    } else {
+      const predicateQuery = predicate
+        ? ' ' + this.client.queryCompiler(predicate).where()
+        : '';
+
+      this.pushQuery(
+        `create unique index ${indexName} on ${this.tableName()} (${this.formatter.columnize(
+          columns
+        )})${predicateQuery}`
+      );
+    }
+  }
+
+  index(columns, indexName, options) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+
+    let predicate;
+    let storageEngineIndexType;
+    let indexType;
+
+    if (isString(options)) {
+      storageEngineIndexType = options;
+    } else if (isObject(options)) {
+      ({ indexType, storageEngineIndexType, predicate } = options);
+    }
+
+    const predicateQuery = predicate
+      ? ' ' + this.client.queryCompiler(predicate).where()
+      : '';
+
+    this.pushQuery(
+      `create${
+        typeof indexType === 'string' && indexType.toLowerCase() === 'unique'
+          ? ' unique'
+          : ''
+      } index ${indexName} on ${this.tableName()}${
+        (storageEngineIndexType && ` using ${storageEngineIndexType}`) || ''
+      }` +
+        ' (' +
+        this.formatter.columnize(columns) +
+        ')' +
+        `${predicateQuery}`
+    );
+  }
+
+  dropPrimary(constraintName) {
+    constraintName = constraintName
+      ? this.formatter.wrap(constraintName)
+      : this.formatter.wrap(this.tableNameRaw + '_pkey');
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${constraintName}`
+    );
+  }
+
+  dropIndex(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('index', this.tableNameRaw, columns);
+    indexName = this.schemaNameRaw
+      ? `${this.formatter.wrap(this.schemaNameRaw)}.${indexName}`
+      : indexName;
+    this.pushQuery(`drop index ${indexName}`);
+  }
+
+  dropUnique(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('unique', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${indexName}`
+    );
+  }
+
+  dropForeign(columns, indexName) {
+    indexName = indexName
+      ? this.formatter.wrap(indexName)
+      : this._indexCommand('foreign', this.tableNameRaw, columns);
+    this.pushQuery(
+      `alter table ${this.tableName()} drop constraint ${indexName}`
+    );
+  }
+}
+
+module.exports = TableCompiler_PG;

backend/apis/nodejs/node_modules/knex/lib/dialects/postgres/schema/pg-viewbuilder.js

@@ -0,0 +1,21 @@
+const ViewBuilder = require('../../../schema/viewbuilder.js');
+
+class ViewBuilder_PG extends ViewBuilder {
+  constructor() {
+    super(...arguments);
+  }
+
+  checkOption() {
+    this._single.checkOption = 'default_option';
+  }
+
+  localCheckOption() {
+    this._single.checkOption = 'local';
+  }
+
+  cascadedCheckOption() {
+    this._single.checkOption = 'cascaded';
+  }
+}
+
+module.exports = ViewBuilder_PG;

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

@@ -0,0 +1,35 @@
+/* eslint max-len: 0 */
+
+const ViewCompiler = require('../../../schema/viewcompiler.js');
+
+class ViewCompiler_PG extends ViewCompiler {
+  constructor(client, viewCompiler) {
+    super(client, viewCompiler);
+  }
+
+  renameColumn(from, to) {
+    return this.pushQuery({
+      sql: `alter view ${this.viewName()} rename ${this.formatter.wrap(
+        from
+      )} to ${this.formatter.wrap(to)}`,
+    });
+  }
+
+  defaultTo(column, defaultValue) {
+    return this.pushQuery({
+      sql: `alter view ${this.viewName()} alter ${this.formatter.wrap(
+        column
+      )} set default ${defaultValue}`,
+    });
+  }
+
+  createOrReplace() {
+    this.createQuery(this.columns, this.selectQuery, false, true);
+  }
+
+  createMaterializedView() {
+    this.createQuery(this.columns, this.selectQuery, true);
+  }
+}
+
+module.exports = ViewCompiler_PG;