lsst.dax.apdb.sql.apdbSql Namespace Reference

Classes
class	ApdbSql

Functions
pandas.DataFrame	_coerce_uint64 (pandas.DataFrame df)
float	_make_midpointMjdTai_start (astropy.time.Time visit_time, int months)
None	_onSqlite3Connect (sqlite3.Connection dbapiConnection, sqlalchemy.pool._ConnectionRecord connectionRecord)

Variables
	_LOG = logging.getLogger(__name__)
	_MON = MonAgent(__name__)
	VERSION = VersionTuple(1, 2, 1)

Detailed Description

Module defining Apdb class and related methods.

Function Documentation

_coerce_uint64()

pandas.DataFrame _coerce_uint64 ( pandas.DataFrame df )

protected

Change the type of uint64 columns to int64, and return copy of data
frame.

_make_midpointMjdTai_start()

float _make_midpointMjdTai_start ( astropy.time.Time visit_time, int months )

protected

Calculate starting point for time-based source search.

Parameters
----------
visit_time : `astropy.time.Time`
    Time of current visit.
months : `int`
    Number of months in the sources history.

Returns
-------
time : `float`
    A ``midpointMjdTai`` starting point, MJD time.