sequelize/lib/dialects/snowflake/data-types.js

Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.

"use strict";
const momentTz = require("moment-timezone");
const moment = require("moment");
module.exports = (BaseTypes) => {
  BaseTypes.ABSTRACT.prototype.dialectTypes = "https://dev.snowflake.com/doc/refman/5.7/en/data-types.html";
  BaseTypes.DATE.types.snowflake = ["DATETIME"];
  BaseTypes.STRING.types.snowflake = ["VAR_STRING"];
  BaseTypes.CHAR.types.snowflake = ["STRING"];
  BaseTypes.TEXT.types.snowflake = ["BLOB"];
  BaseTypes.TINYINT.types.snowflake = ["TINY"];
  BaseTypes.SMALLINT.types.snowflake = ["SHORT"];
  BaseTypes.MEDIUMINT.types.snowflake = ["INT24"];
  BaseTypes.INTEGER.types.snowflake = ["LONG"];
  BaseTypes.BIGINT.types.snowflake = ["LONGLONG"];
  BaseTypes.FLOAT.types.snowflake = ["FLOAT"];
  BaseTypes.TIME.types.snowflake = ["TIME"];
  BaseTypes.DATEONLY.types.snowflake = ["DATE"];
  BaseTypes.BOOLEAN.types.snowflake = ["TINY"];
  BaseTypes.BLOB.types.snowflake = ["TINYBLOB", "BLOB", "LONGBLOB"];
  BaseTypes.DECIMAL.types.snowflake = ["NEWDECIMAL"];
  BaseTypes.UUID.types.snowflake = false;
  BaseTypes.ENUM.types.snowflake = false;
  BaseTypes.REAL.types.snowflake = ["DOUBLE"];
  BaseTypes.DOUBLE.types.snowflake = ["DOUBLE"];
  BaseTypes.GEOMETRY.types.snowflake = ["GEOMETRY"];
  BaseTypes.JSON.types.snowflake = ["JSON"];
  class DATE extends BaseTypes.DATE {
    toSql() {
      return "TIMESTAMP";
    }
    _stringify(date, options) {
      if (!moment.isMoment(date)) {
        date = this._applyTimezone(date, options);
      }
      if (this._length) {
        return date.format("YYYY-MM-DD HH:mm:ss.SSS");
      }
      return date.format("YYYY-MM-DD HH:mm:ss");
    }
    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 "VARCHAR(36)";
    }
  }
  class TEXT extends BaseTypes.TEXT {
    toSql() {
      return "TEXT";
    }
  }
  class BOOLEAN extends BaseTypes.BOOLEAN {
    toSql() {
      return "BOOLEAN";
    }
  }
  class JSONTYPE extends BaseTypes.JSON {
    _stringify(value, options) {
      return options.operation === "where" && typeof value === "string" ? value : JSON.stringify(value);
    }
  }
  return {
    TEXT,
    DATE,
    BOOLEAN,
    DATEONLY,
    UUID,
    JSON: JSONTYPE
  };
};
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