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data-types.js
139 lines (126 loc) · 3.75 KB
/
data-types.js
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'use strict';
const wkx = require('wkx');
const _ = require('lodash');
const momentTz = require('moment-timezone');
const moment = require('moment');
module.exports = BaseTypes => {
BaseTypes.ABSTRACT.prototype.dialectTypes = 'https://mariadb.com/kb/en/library/resultset/#field-types';
/**
* types: [buffer_type, ...]
*
* @see documentation : https://mariadb.com/kb/en/library/resultset/#field-types
* @see connector implementation : https://github.com/MariaDB/mariadb-connector-nodejs/blob/master/lib/const/field-type.js
*/
BaseTypes.DATE.types.mariadb = ['DATETIME'];
BaseTypes.STRING.types.mariadb = ['VAR_STRING'];
BaseTypes.CHAR.types.mariadb = ['STRING'];
BaseTypes.TEXT.types.mariadb = ['BLOB'];
BaseTypes.TINYINT.types.mariadb = ['TINY'];
BaseTypes.SMALLINT.types.mariadb = ['SHORT'];
BaseTypes.MEDIUMINT.types.mariadb = ['INT24'];
BaseTypes.INTEGER.types.mariadb = ['LONG'];
BaseTypes.BIGINT.types.mariadb = ['LONGLONG'];
BaseTypes.FLOAT.types.mariadb = ['FLOAT'];
BaseTypes.TIME.types.mariadb = ['TIME'];
BaseTypes.DATEONLY.types.mariadb = ['DATE'];
BaseTypes.BOOLEAN.types.mariadb = ['TINY'];
BaseTypes.BLOB.types.mariadb = ['TINYBLOB', 'BLOB', 'LONGBLOB'];
BaseTypes.DECIMAL.types.mariadb = ['NEWDECIMAL'];
BaseTypes.UUID.types.mariadb = false;
BaseTypes.ENUM.types.mariadb = false;
BaseTypes.REAL.types.mariadb = ['DOUBLE'];
BaseTypes.DOUBLE.types.mariadb = ['DOUBLE'];
BaseTypes.GEOMETRY.types.mariadb = ['GEOMETRY'];
BaseTypes.JSON.types.mariadb = ['JSON'];
class DECIMAL extends BaseTypes.DECIMAL {
toSql() {
let definition = super.toSql();
if (this._unsigned) {
definition += ' UNSIGNED';
}
if (this._zerofill) {
definition += ' ZEROFILL';
}
return definition;
}
}
class DATE extends BaseTypes.DATE {
toSql() {
return this._length ? `DATETIME(${this._length})` : 'DATETIME';
}
_stringify(date, options) {
if (!moment.isMoment(date)) {
date = this._applyTimezone(date, options);
}
return date.format('YYYY-MM-DD HH:mm:ss.SSS');
}
static parse(value, options) {
value = value.string();
if (value === null) {
return value;
}
if (momentTz.tz.zone(options.timezone)) {
value = momentTz.tz(value, options.timezone).toDate();
}
else {
value = new Date(`${value} ${options.timezone}`);
}
return value;
}
}
class DATEONLY extends BaseTypes.DATEONLY {
static parse(value) {
return value.string();
}
}
class UUID extends BaseTypes.UUID {
toSql() {
return 'CHAR(36) BINARY';
}
}
class GEOMETRY extends BaseTypes.GEOMETRY {
constructor(type, srid) {
super(type, srid);
if (_.isEmpty(this.type)) {
this.sqlType = this.key;
}
else {
this.sqlType = this.type;
}
}
static parse(value) {
value = value.buffer();
// Empty buffer, MySQL doesn't support POINT EMPTY
// check, https://dev.mysql.com/worklog/task/?id=2381
if (!value || value.length === 0) {
return null;
}
// For some reason, discard the first 4 bytes
value = value.slice(4);
return wkx.Geometry.parse(value).toGeoJSON({ shortCrs: true });
}
toSql() {
return this.sqlType;
}
}
class ENUM extends BaseTypes.ENUM {
toSql(options) {
return `ENUM(${this.values.map(value => options.escape(value)).join(', ')})`;
}
}
class JSONTYPE extends BaseTypes.JSON {
_stringify(value, options) {
return options.operation === 'where' && typeof value === 'string' ? value
: JSON.stringify(value);
}
}
return {
ENUM,
DATE,
DATEONLY,
UUID,
GEOMETRY,
DECIMAL,
JSON: JSONTYPE
};
};