Commits on Jun 3, 2020

1. sql: add support for ANALYZE <tablename> …

   This commit adds support for `ANALYZE <tablename>` by adding the
   statement as syntactic sugar for the equivalent command
   `CREATE STATISTICS "" FROM <tablename>`. This improves compatibility
   with Postgres, and is needed to run the PostGIS tutorial as written.
   
   Note that this commit does not add support for `ANALYZE` without a
   table name. We can add support for that and other variants later if
   needed, but it is not necessary for the PostGIS tutorial.
   
   Fixes cockroachdb#49214
   
   Release note (sql change): Added support for `ANALYZE <tablename>`,
   which causes the database to collect statistics on the given table for
   use by the optimizer. The functionality of this command is equivalent
   to the existing command `CREATE STATISTICS "" FROM <tablename>`, but
   it increases compatibility with Postgres by using the same syntax that
   Postgres uses.

   

   rytaft committed Jun 3, 2020
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