Nothing
test_that("remote_table returns name when it makes sense", {
mf <- copy_to_test("sqlite", tibble(x = 5), name = "refxiudlph")
# produces name after `group_by()`
expect_equal(
mf %>% group_by(x) %>% remote_table(),
table_path("`refxiudlph`")
)
# produces name after unarranging
expect_equal(
mf %>% arrange(x) %>% arrange() %>% remote_table(),
table_path("`refxiudlph`")
)
# produces name after compute()
expect_false(is_null(mf %>% mutate(x = x + 1) %>% compute() %>% remote_table()))
})
test_that("remote_table returns null for computed tables", {
mf <- copy_to_test("sqlite", tibble(x = 5, y = 1), name = "refxiudlph")
expect_equal(remote_table(mf), table_path("`refxiudlph`"))
expect_null(mf %>% filter(x == 3) %>% remote_table())
expect_null(mf %>% distinct(x) %>% remote_table())
expect_null(mf %>% mutate(x = x + 1) %>% remote_table())
expect_null(mf %>% select(x) %>% remote_table())
expect_null(mf %>% relocate(y, x) %>% remote_table())
expect_null(mf %>% head(3) %>% remote_table())
expect_null(left_join(mf, mf, by = "x") %>% remote_table())
lf <- lazy_frame(x = 1)
expect_null(lf %>% remote_table())
expect_null(lf %>% group_by(x) %>% remote_table())
lf <- lazy_frame(x = 1)
expect_equal(lf %>% remote_table(null_if_local = FALSE), table_path("`df`"))
expect_equal(lf %>% group_by(x) %>% remote_table(null_if_local = FALSE), table_path("`df`"))
})
test_that("remote_name and remote_table can handle different table identifiers", {
test_remote_table <- function(x, exp_tbl = as_table_path(x, simulate_sqlite())) {
lf <- lazy_frame(x = 1, .name = x)
expect_equal(remote_table(lf, null_if_local = FALSE), exp_tbl)
expect_equal(remote_name(lf, null_if_local = FALSE), "tbl")
}
test_remote_table("tbl")
test_remote_table(ident("tbl"))
test_remote_table(in_schema("schema", "tbl"))
test_remote_table(in_catalog("catalog", "schema", "tbl"))
test_remote_table(DBI::Id(catalog = "catalog", schema = "schema", table = "tbl"))
test_remote_table(ident_q("schema.tbl"))
test_remote_table(I("schema.tbl"))
})
test_that("can retrieve query, src and con metadata", {
mf <- memdb_frame(x = 5)
expect_s4_class(remote_con(mf), "DBIConnection")
expect_s3_class(remote_src(mf), "src_sql")
expect_s3_class(remote_query(mf), "sql")
expect_type(remote_query_plan(mf), "character")
})
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