241 modify bstat
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+ 11
− 80
@@ -69,92 +69,23 @@ where the numbers represent a ranking of all the primary keys (consisting of one
Updates entity mdb_columns attributes (datatype, ordinal_position, is_nullable) and automatically updates mdb_columns_nom (attribute max_length), mdb_columns_num (min, max, mean, sd, histogram) and mdb_columns_cat (num_cat, cat_array). The attribute 'histogram' describes a equi-width histogram with a fix number of 10 buckets. The last value in this numeric array is the width of one bucket. The attribute cat_array contains an array with the names of the categories.
Updates statisical values of all columns for a given table. In particular, the entities mdb_columns_nom (attribute max_length), mdb_columns_num (min, max, mean, sd, histogram) and mdb_columns_cat (num_cat, cat_array) are updated. The attribute 'histogram' describes a equi-width histogram with a fix number of 10 buckets. The last value in this numeric array is the width of one bucket. The attribute cat_array contains an array with the names of the categories.
@@ -172,4 +103,4 @@ run `python3 app.py` add '/upload' to url
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