Grade Categories History Table Schema (grade_categories_history)


Description

History of grade_categories

grade_categories_history table columns

Column Type Size Nulls Auto Default Children Parents Comments
id BIGINT 19 √ null
action BIGINT 19 0

created/modified/deleted constants
oldid BIGINT 19 null
grade_categories.id gradcatehist_old2_fk R
source VARCHAR 255 √ null

What caused the modification? manual/module/import/...
timemodified BIGINT 19 √ null

The last time this grade_item was modified
loggeduser BIGINT 19 √ null
user.id gradcatehist_log2_fk R

the userid of the person who last modified this outcome
courseid BIGINT 19 null
course.id gradcatehist_cou2_fk R

The course this grade category is part of
parent BIGINT 19 √ null
grade_categories.id gradcatehist_par2_fk R

Categories can be hierarchical
depth BIGINT 19 0

How many parents does this category have?
path VARCHAR 255 √ null

shows the path as /1/2/3 (like course_categories)
fullname VARCHAR 255

The name of this grade category
aggregation BIGINT 19 0

A constant pointing to one of the predefined aggregation strategies (none, mean,median,sum, etc)
keephigh BIGINT 19 0

Keep only the X highest items
droplow BIGINT 19 0

Drop the X lowest items
aggregateonlygraded BIT 1 0

aggregate only graded items
aggregateoutcomes BIT 1 0

Aggregate outcomes
aggregatesubcats BIT 1 0

This setting was removed from grade_categories. It is kept here only to preserve history.
hidden BIT 1 0

Table contained -1 rows

grade_categories_history table indexes

Constraint Name Type Sort Column(s)
PRIMARY Primary key Asc id
gradcatehist_act_ix Performance Asc action
gradcatehist_cou_ix Performance Asc courseid
gradcatehist_log_ix Performance Asc loggeduser
gradcatehist_old_ix Performance Asc oldid
gradcatehist_par_ix Performance Asc parent
gradcatehist_tim_ix Performance Asc timemodified

grade_categories_history table relationships

Close relationships within degrees of separation