Create a schema for the current dialect
Source:R/Dialect-postgres.R, R/Dialect.R, R/Dialect-sqlite.R
create_schema.RdBy default, this is a no-op. Implement dialect-specific ones as needed.
Usage
create_schema.postgres(x, .schema)
create_schema(x, .schema)
create_schema.default(x, .schema)
create_schema.sqlite(x, .schema)