dropEmptyColumns

lsst.ap.association.dropEmptyColumns(apdbSchema, sourceTable, tableName)

Drop empty columns that are nullable.

This method uses the table definitions in sdm_schemas to load the schema of the APDB, and does not actually connect to the APDB.

Parameters:

apdbSchemalsst.dax.apdb.apdbSchema.ApdbSchema

Schema from sdm_schemas containing the table definition to use.

sourceTablepandas.DataFrame

The input table to remove missing data columns from.

tableNamestr

Name of the table in the schema to use.