sequelize#DataType TypeScript Examples

The following examples show how to use sequelize#DataType. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ModelBuilder.ts    From aloxide with Apache License 2.0 6 votes vote down vote up 
static mapField(
    typeInterpreter: Interpreter<Field, DataType>,
    fields: Field[],
    key: string,
  ): ModelAttributes {
    return fields.reduce((a, c) => {
      const field: ModelAttributeColumnOptions<Model> = {
        type: typeInterpreter.interpret(c),
      };

      if (c.name === key) {
        field.primaryKey = true;
        switch (field.type) {
          case DataTypes.SMALLINT:
          case DataTypes.INTEGER:
          case DataTypes.BIGINT:
          case DataTypes.NUMBER:
          case DataTypes.DOUBLE:
            field.autoIncrement = true;
            break;
        }
      }

      return Object.assign(a, {
        [c.name]: field,
      });
    }, {});
  }
Example #2
Source File: ModelBuilder.ts    From aloxide with Apache License 2.0 5 votes vote down vote up 
static makeModelFromEntityConfig(
    sequelize: Sequelize,
    typeInterpreter: Interpreter<Field, DataType>,
    entityConfig: EntityConfig,
  ): ModelCtor<Model> {
    const { name, fields, key } = entityConfig;
    return sequelize.define(name, ModelBuilder.mapField(typeInterpreter, fields, key));
  }
Example #3
Source File: ModelBuilder.ts    From aloxide with Apache License 2.0 5 votes vote down vote up 
typeInterpreter: Interpreter<Field, DataType>;
Example #4
Source File: reverseSequelizeColType.ts    From sequelize-typescript-migration with MIT License 4 votes vote down vote up 
// interface IDataType {
//   key: string;
//   dialectTypes: string;
//   toSql(): string;
//   stringify(value: unknown, options?: object): string;
//   toString(options: object): string;
//   options?: IDataTypeOptions;
// }

// interface IDataTypeOptions {
//   length?: string;
//   binary?: boolean;
//   zerofill?: boolean;
//   unsigned?: boolean;
//   decimals?: number;
//   precision?: number;
//   scale?: number;
//   type?: string;
//   srid?: number;
// }

export default function reverseSequelizeColType(
  sequelize: Sequelize,
  attrType: any,
  prefix = "Sequelize."
) {
  if (attrType.constructor.name === "VIRTUAL") {
    return `${prefix}VIRTUAL`;
  }

  if (attrType.constructor.name === "CHAR") {
    if (!attrType.options) {
      return `${prefix}CHAR`;
    }
    const postfix = attrType.options.binary ? ".BINARY" : "";
    return `${prefix}CHAR${postfix}`;
  }

  if (attrType.constructor.name === "STRING") {
    if (attrType.options === undefined) {
      return `${prefix}STRING`;
    }

    if (attrType.options.binary !== undefined) {
      return `${prefix}STRING.BINARY`;
    }
    const length =
      attrType.options.length !== undefined
        ? `(${attrType.options.length})`
        : "";
    return `${prefix}STRING${length}`;
  }

  if (attrType.constructor.name === "TEXT") {
    if (!attrType.options.length) {
      return `${prefix}TEXT`;
    }
    const postfix = `('${attrType.options.length.toLowerCase()}')`;
    return `${prefix}TEXT(${postfix})`;
  }

  if (attrType.constructor.name === "DECIMAL") {
    const params = [];

    if (attrType.options.precision) {
      params.push(attrType.options.precision);
    }
    if (attrType.options.scale) {
      params.push(attrType.options.scale);
    }
    const postfix = params.length > 0 ? `(${params.join(",")})` : "";
    return `${prefix}DECIMAL${postfix}`;
  }

  if (
    ["TINYINT", "SMALLINT", "MEDIUMINT", "INTEGER", "BIGINT"].indexOf(
      attrType.constructor.name
    ) >= 0
  ) {
    const params = [];

    if (attrType.options.length) {
      params.push(attrType.options.length);
    }
    if (attrType.options.decimals) {
      params.push(attrType.options.decimals);
    }
    let postfix = params.length > 0 ? `(${params.join(",")})` : "";

    if (attrType.options.zerofill) {
      postfix += ".ZEROFILL";
    }

    if (attrType.options.unsigned) {
      postfix += ".UNSIGNED";
    }

    return `${prefix}${attrType.key}${postfix}`;
  }

  if (attrType.constructor.name === "DATE") {
    const length = attrType.options.length
      ? `(${attrType.options.length})`
      : "";
    return `${prefix}DATE${length}`;
  }

  if (attrType.constructor.name === "DATEONLY") {
    return `${prefix}DATEONLY`;
  }

  if (attrType.constructor.name === "BLOB") {
    const postfix = `(${attrType.options.length.toLowerCase()})`;
    return `${prefix}BLOB(${postfix})`;
  }

  if (attrType.constructor.name === "ENUM") {
    return `${prefix}ENUM('${attrType.options.values.join("', '")}')`;
  }

  if (attrType.constructor.name === "GEOMETRY") {
    if (attrType.options.type == undefined) {
      return `${prefix}GEOMETRY`;
    }
    const type = attrType.options.type.toUpperCase();
    const srid = attrType.options.srid;
    const postfixItems = [`'${type}'`];
    if (srid !== undefined) {
      postfixItems.push(attrType.options.srid.toString());
    }
    return `${prefix}GEOMETRY(${postfixItems.join(",")})`;
  }

  if (attrType.constructor.name === "GEOGRAPHY") {
    if (attrType.options.type == undefined) {
      return `${prefix}GEOGRAPHY`;
    }
    const type = attrType.options.type.toUpperCase();
    const srid = attrType.options.srid;
    const postfixItems = [`'${type}'`];
    if (srid !== undefined) {
      postfixItems.push(attrType.options.srid.toString());
    }
    return `${prefix}GEOGRAPHY(${postfixItems.join(",")})`;
  }

  // ARRAY ( PostgreSQL only )
  if (attrType.constructor.name === "ARRAY") {
    const type: DataType = attrType.options.type;
    const innerType = reverseSequelizeColType(sequelize, attrType);
    return `${prefix}ARRAY(${innerType})`;
  }

  // RANGE ( PostgreSQL only )
  if (attrType.constructor.name === "RANGE") {
    const type: DataType = attrType.options.subtype;
    const innerType = reverseSequelizeColType(sequelize, attrType);
    return `${prefix}RANGE(${innerType})`;
  }

  let seqType;
  [
    "BOOLEAN",
    "TIME",
    "HSTORE",
    "JSON",
    "JSONB",
    "NOW",
    "UUID",
    "UUIDV1",
    "UUIDV4",
    "CIDR",
    "INET",
    "MACADDR",
    "CITEXT",
  ].forEach(typeName => {
    if (attrType.constructor.name === typeName) {
      seqType = `${prefix}${typeName}`;
    }
  });
  if (seqType) {
    return seqType;
  }

  // not supported
  console.log("not supported ..." + attrType.constructor.name);
  return `${prefix}VIRTUAL`;
  // handle function
  // if (
  //   attrType.options !== undefined &&
  //   typeof attrType.options.toString === "function"
  // ) {
  //   seqType = attrType.options.toString(sequelize);
  // }

  // if (typeof type.toString === "function") {
  //   seqType = type.toString(sequelize);
  // }

  // return seqType;
}