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Viewing file:     columncompiler.js (3.49 KB)      -rw-r--r--

const { uniq, map } = require('lodash');
const inherits = require('inherits');
const Raw = require('../../../raw');
const ColumnCompiler = require('../../../schema/columncompiler');
const Trigger = require('./trigger');

// Column Compiler
// -------

function ColumnCompiler_Oracle() {
  ColumnCompiler.apply(this, arguments);
  this.modifiers = ['defaultTo', 'checkIn', 'nullable', 'comment'];
}
inherits(ColumnCompiler_Oracle, ColumnCompiler);

Object.assign(ColumnCompiler_Oracle.prototype, {
  // helper function for pushAdditional in increments() and bigincrements()
  _createAutoIncrementTriggerAndSequence() {
    // TODO Add warning that sequence etc is created
    this.pushAdditional(function() {
      const tableName = this.tableCompiler.tableNameRaw;
      const createTriggerSQL = Trigger.createAutoIncrementTrigger(
        this.client.logger,
        tableName
      );
      this.pushQuery(createTriggerSQL);
    });
  },

  increments() {
    this._createAutoIncrementTriggerAndSequence();
    return 'integer not null primary key';
  },

  bigincrements() {
    this._createAutoIncrementTriggerAndSequence();
    return 'number(20, 0) not null primary key';
  },

  floating(precision) {
    const parsedPrecision = this._num(precision, 0);
    return `float${parsedPrecision ? `(${parsedPrecision})` : ''}`;
  },

  double(precision, scale) {
    // if (!precision) return 'number'; // TODO: Check If default is ok
    return `number(${this._num(precision, 8)}, ${this._num(scale, 2)})`;
  },

  decimal(precision, scale) {
    if (precision === null) return 'decimal';
    return `decimal(${this._num(precision, 8)}, ${this._num(scale, 2)})`;
  },

  integer(length) {
    return length ? `number(${this._num(length, 11)})` : 'integer';
  },

  tinyint: 'smallint',

  smallint: 'smallint',

  mediumint: 'integer',

  biginteger: 'number(20, 0)',

  text: 'clob',

  enu(allowed) {
    allowed = uniq(allowed);
    const maxLength = (allowed || []).reduce(
      (maxLength, name) => Math.max(maxLength, String(name).length),
      1
    );

    // implicitly add the enum values as checked values
    this.columnBuilder._modifiers.checkIn = [allowed];

    return `varchar2(${maxLength})`;
  },

  time: 'timestamp with time zone',

  datetime(without) {
    return without ? 'timestamp' : 'timestamp with time zone';
  },

  timestamp(without) {
    return without ? 'timestamp' : 'timestamp with time zone';
  },

  bit: 'clob',

  json: 'clob',

  bool() {
    // implicitly add the check for 0 and 1
    this.columnBuilder._modifiers.checkIn = [[0, 1]];
    return 'number(1, 0)';
  },

  varchar(length) {
    return `varchar2(${this._num(length, 255)})`;
  },

  // Modifiers
  // ------

  comment(comment) {
    const columnName = this.args[0] || this.defaults('columnName');

    this.pushAdditional(function() {
      this.pushQuery(
        `comment on column ${this.tableCompiler.tableName()}.` +
          this.formatter.wrap(columnName) +
          " is '" +
          (comment || '') +
          "'"
      );
    }, comment);
  },

  checkIn(value) {
    // TODO: Maybe accept arguments also as array
    // TODO: value(s) should be escaped properly
    if (value === undefined) {
      return '';
    } else if (value instanceof Raw) {
      value = value.toQuery();
    } else if (Array.isArray(value)) {
      value = map(value, (v) => `'${v}'`).join(', ');
    } else {
      value = `'${value}'`;
    }
    return `check (${this.formatter.wrap(this.args[0])} in (${value}))`;
  },
});

module.exports = ColumnCompiler_Oracle;