How to use the pydal.dialects.sqltype_for function in pydal

    @sqltype_for("double")
    def type_double(self):
        return self.types["float"]

    @sqltype_for("blob")
    def type_blob(self):
        return self.types["text"]

    @sqltype_for("reference TFK")
    def type_reference_tfk(self):
        return (
            " FOREIGN KEY (%(field_name)s) REFERENCES %(foreign_table)s"
            + " (%(foreign_key)s)"
        )

    @sqltype_for("string")
    def type_string(self):
        return str

    @sqltype_for("date")
    def type_date(self):
        return "DATE"

    @sqltype_for("double")
    def type_float(self):
        return "BINARY_DOUBLE"

    @sqltype_for('list:reference')
    def type_list_reference(self):
        return 'BIGINT[]'

    @sqltype_for("datetime")
    def type_datetime(self):
        return "DATETIME"

    @sqltype_for("big-id")
    def type_big_id(self):
        return (
            "bigint not null unique with default next value for %s"
            % self.INGRES_SEQNAME
        )

    @sqltype_for("text")
    def type_text(self):
        return "LONGTEXT"