Add templateParameters to support non-filter parameters and DDL
statements.
Added a new argument `ignoreInsert` at integration test. Bigtable only
allow `SELECT` statement. This is used to filter insert statement for
bigtable.
Part of #535
Add `templateParameters` to support non-filter parameters and DDL
statements.
Added a new argument `ignoreDdl` at integration test. Admin client is
needed to execute ddl statement in spanner. Toolbox does not use admin
client.
Part of #535
Remove cleaning `\\` or `\` in `got` and `want` strings of test cases.
This is to prevent future the need to manually clean strings before
comparing. This also allows us to be aware of the amount of backspace to
prevent accidental escaping in src code.
Update integration test that is affected. This includes moving the
`want` of test cases for `my-param-tool` invocation to each sources
since spanner have a different format (return id as strings instead of
int).
