sqlite3orm
Version:
ORM for sqlite3 and TypeScript/JavaScript
165 lines • 5.25 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Field = void 0;
const dbcatalog_1 = require("../dbcatalog");
const utils_1 = require("../utils");
const PropertyType_1 = require("./PropertyType");
const Schema_1 = require("./Schema");
/**
* Class holding a field definition
*
* @export
* @class Field
*/
class Field {
/**
* The name of the column
*/
name;
/**
* The quoted field name
*/
get quotedName() {
return (0, utils_1.backtickQuoteSimpleIdentifier)(this.name);
}
_dbDefaultType;
get dbDefaultType() {
return this._dbDefaultType;
}
set dbDefaultType(dbType) {
this._dbDefaultType = dbType;
if (!this._dbtype) {
this._dbTypeInfo = Field.parseDbType(this._dbDefaultType);
}
}
/**
* The type of the table column
*/
_dbtype;
_dbTypeInfo;
get dbtype() {
return this._dbtype ? this._dbtype : this.dbDefaultType;
}
set dbtype(dbType) {
this._dbtype = dbType;
this._dbTypeInfo = Field.parseDbType(this._dbtype);
}
get isDbTypeDefined() {
return this._dbtype ? true : false;
}
get dbTypeInfo() {
return this._dbTypeInfo;
}
/**
* If this property should be serialized/deserialized to the database as Json data
*/
_isJson;
get isJson() {
return this._isJson == undefined ? false : this._isJson;
}
set isJson(isJson) {
this._isJson = isJson;
}
get isIsJsonDefined() {
return this._isJson == undefined ? false : true;
}
_dateInMilliSeconds;
get dateInMilliSeconds() {
return this._dateInMilliSeconds == undefined ? (0, Schema_1.schema)().dateInMilliSeconds : this._dateInMilliSeconds;
}
set dateInMilliSeconds(val) {
this._dateInMilliSeconds = val;
}
get isDateInMilliSecondsDefined() {
return this._dateInMilliSeconds == undefined ? false : true;
}
/**
* Flag if this field is part of the primary key
*/
isIdentity;
/**
* Creates an instance of Field.
*/
constructor(name, isIdentity, opts, propertyType) {
this.name = name;
this.isIdentity = !!isIdentity;
this.setDbDefaultType(propertyType, opts);
if (opts) {
if (opts.dbtype) {
this.dbtype = opts.dbtype;
}
if (opts.isJson != undefined) {
this._isJson = opts.isJson;
}
if (opts.dateInMilliSeconds != undefined) {
this._dateInMilliSeconds = opts.dateInMilliSeconds;
}
}
}
setDbDefaultType(propertyType, opts) {
switch (propertyType) {
case PropertyType_1.PropertyType.BOOLEAN:
case PropertyType_1.PropertyType.DATE:
if (opts && opts.notNull) {
this.dbDefaultType = 'INTEGER NOT NULL';
}
else {
this.dbDefaultType = 'INTEGER';
}
break;
case PropertyType_1.PropertyType.NUMBER:
if (this.isIdentity) {
this.dbDefaultType = 'INTEGER NOT NULL';
}
else {
if (opts && opts.notNull) {
this.dbDefaultType = 'REAL NOT NULL';
}
else {
this.dbDefaultType = 'REAL';
}
}
break;
default:
// otherwise 'TEXT' will be used as default
if (opts && opts.notNull) {
this.dbDefaultType = 'TEXT NOT NULL';
}
else {
this.dbDefaultType = 'TEXT';
}
break;
}
}
static parseDbType(dbtype) {
const typeDefMatches = /^\s*((\w+)(\s*\(\s*\d+\s*(,\s*\d+\s*)?\))?)(.*)$/.exec(dbtype);
/* istanbul ignore if */
if (!typeDefMatches) {
throw new Error(`failed to parse '${dbtype}'`);
}
const typeAffinity = dbcatalog_1.DbCatalogDAO.getTypeAffinity(typeDefMatches[2]);
const rest = typeDefMatches[5];
const notNull = /\bNOT\s+NULL\b/i.exec(rest) ? true : false;
let defaultValue;
const defaultNumberMatches = /\bDEFAULT\s+([+-]?\d+(\.\d*)?)/i.exec(rest);
if (defaultNumberMatches) {
defaultValue = defaultNumberMatches[1];
}
const defaultLiteralMatches = /\bDEFAULT\s+(('[^']*')+)/i.exec(rest);
if (defaultLiteralMatches) {
defaultValue = defaultLiteralMatches[1];
defaultValue.replace(/''/g, "'");
}
const defaultExprMatches = /\bDEFAULT\s*\(([^)]*)\)/i.exec(rest);
if (defaultExprMatches) {
defaultValue = defaultExprMatches[1];
}
// debug(`dbtype='${dbtype}'`);
// debug(`type='${typeName}'`);
// debug(`notNull='${notNull}'`);
// debug(`default='${defaultValue}'`);
return { typeAffinity, notNull, defaultValue };
}
}
exports.Field = Field;
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