georgia-tech-db / eva / #758

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# dependency table to maintain a many-to-many relationship between udf_catalog and udf_cache_catalog. This is important to ensure that any changes to udf are propagated to udf_cache. For example, deletion of a udf should also clear the associated caches.

    "depend_udf_and_udf_cache",

    BaseModel.metadata,

    Column("_udf_id", ForeignKey("udf_catalog._row_id")),

    Column("_udf_cache_id", ForeignKey("udf_cache._row_id")),

    UniqueConstraint("_udf_id", "_udf_cache_id"),

)

    "depend_column_and_udf_cache",

    BaseModel.metadata,

    Column("_col_id", ForeignKey("column_catalog._row_id")),

    Column("_udf_cache_id", ForeignKey("udf_cache._row_id")),

    UniqueConstraint("_col_id", "_udf_cache_id"),

)