Schema charset name should be schema/name
Fix SCHEMATA table test
Update the I_S.Columns table, plus test to new colums to match the SQL
standard.
Remove column.prefix_size as no longer useful, and shortly, no longer
used.
TableConstrainst, rename one column, add three more from the standard
(not currently used).
Update one column name for the Key_column_usage table
Update the Views table and the Parameters table with new column names.
Add two new columns to the parameters table. Fix resulting broken tests.
Update columns table adding unused (but SQL Standard) columns
Add domain schema/name (always null) to columns table
Update index/index_columns names to be more consistent with the standard
even though the tables are not standard ones.
Update table constraints and referential constraints to SQL standard.
Update grouping constraints to be consistent

Add a number of columns to routines table to bring it up to SQL standard
too. Several pieces of implied functionality are missing.
Add data type to sequences
Add commit_action (null) to the Tables table
Update ordering of columns in TABLES table to put new columns at the
end.
Update the SEQUENCES column order.
Merge remote-tracking branch 'github/master' into IS-review
Regularize the index_columns column names.
Pass 3: Add catalog to all tables (always null), add more columns to
table, schemata, columns
Update the Constraint Name to be <table>.<constraint> for the indexed
constraints. In order to match the SQL standard which says the names
must be unique to the schema level.
Missed the Parameters table needing to use specific_[schema|name] not
routine_[schema|name]
Give at least one of the allowed arities instead of -1.