* Adds ability to run integration tests against spanner (by using GRAFANA_TEST_DB=spanner env variable. SPANNER_DB variable then specifies database to use: spannertest, emulator or string like /projects/<project>/instances/<instance>/databases/<db>)
* Adds feature to migration dialects to create database from a snapshot, instead of running individual migrations.
* Adds first version of Spanner snapshot, prepared from "OSS" migrations.
* Uses generated bit-reversed-positive values instead of auto_increment. (As an experiment)
* make it build and start
* run some migrations
* add build tags, remove log
* remove unused code
* revert go.mod changes
* move initialisation into dialect file
* update workspace
* update workspace once again
* clean up dependencies
* further cleanup
* Address some review feedback.
* Fix go.sum.
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Co-authored-by: Peter Štibraný <pstibrany@gmail.com>
* add xorm and xorm/core as package
* remove mssql and oracle as driver
* fix some typo
* remove unittest
* remove some cache
* restore the removed part
* remove logfile
Serge Zaitsev
Peter Štibraný
Ryan McKinley
ying-jeanne