diff --git a/modules/drivers/bigquery/test/metabase/driver/bigquery/query_processor_test.clj b/modules/drivers/bigquery/test/metabase/driver/bigquery/query_processor_test.clj
index bbc39bdc96c5d2b43a7f75e23015aaa8e22dff44..5f640bdcd008bd9bbd58e43058ae64dc986ccebb 100644
--- a/modules/drivers/bigquery/test/metabase/driver/bigquery/query_processor_test.clj
+++ b/modules/drivers/bigquery/test/metabase/driver/bigquery/query_processor_test.clj
@@ -715,5 +715,5 @@
"FROM `v3_test_data.checkins` "
"LEFT JOIN `v3_test_data.Organização` `Organização__via__venue_id`"
" ON `v3_test_data.checkins`.`venue_id` = `Organização__via__venue_id`.`id` "
- "LIMIT 1048576")
+ "LIMIT 1048575")
(:query (qp/query->native query))))))))))
diff --git a/modules/drivers/sqlserver/test/metabase/driver/sqlserver_test.clj b/modules/drivers/sqlserver/test/metabase/driver/sqlserver_test.clj
index e9cdbea0c05a799b8c73ae2192cdf94223bf373d..bacdd6f338310efd3a1075cf0992ecd0418b5743 100644
--- a/modules/drivers/sqlserver/test/metabase/driver/sqlserver_test.clj
+++ b/modules/drivers/sqlserver/test/metabase/driver/sqlserver_test.clj
@@ -73,9 +73,9 @@
(mt/test-driver :sqlserver
(testing (str "SQL Server doesn't let you use ORDER BY in nested SELECTs unless you also specify a TOP (their "
"equivalent of LIMIT). Make sure we add a max-results LIMIT to the nested query")
- (is (= {:query (str "SELECT TOP 1048576 \"source\".\"name\" AS \"name\" "
+ (is (= {:query (str "SELECT TOP 1048575 \"source\".\"name\" AS \"name\" "
"FROM ("
- "SELECT TOP 1048576 "
+ "SELECT TOP 1048575 "
"\"dbo\".\"venues\".\"name\" AS \"name\" "
"FROM \"dbo\".\"venues\" "
"ORDER BY \"dbo\".\"venues\".\"id\" ASC"
@@ -123,7 +123,7 @@
(qp.test-util/with-everything-store
(is (= {:query (str "SELECT \"source\".\"name\" AS \"name\" "
"FROM ("
- "SELECT TOP 1048576 "
+ "SELECT TOP 1048575 "
"\"dbo\".\"venues\".\"name\" AS \"name\" "
"FROM \"dbo\".\"venues\" "
"ORDER BY \"dbo\".\"venues\".\"id\" ASC"
diff --git a/src/metabase/query_processor/interface.clj b/src/metabase/query_processor/interface.clj
index 355abe0ff76919bffffd1631669f80b135551522..9b9060aba5d3211ca41122cdc59ee62a360dbfc9 100644
--- a/src/metabase/query_processor/interface.clj
+++ b/src/metabase/query_processor/interface.clj
@@ -7,9 +7,12 @@
(def absolute-max-results
"Maximum number of rows the QP should ever return.
- This is coming directly from the max rows allowed by Excel for now ...
- https://support.office.com/en-nz/article/Excel-specifications-and-limits-1672b34d-7043-467e-8e27-269d656771c3"
- 1048576)
+ This is coming directly from the max rows allowed by Excel for now ...
+ https://support.office.com/en-nz/article/Excel-specifications-and-limits-1672b34d-7043-467e-8e27-269d656771c3
+
+ This is actually one less than the number of rows allowed by Excel, since we have a header row. See #13585 for more
+ details."
+ 1048575)
;; TODO - maybe we should do this more generally with the help of a macro like `do-with-suppressed-output` from the
;; test utils, perhaps implemented as separate middleware (and using a `:middleware` option). Or perhaps even make QP
diff --git a/test/metabase/api/dataset_test.clj b/test/metabase/api/dataset_test.clj
index ac27d418466bdaf6e5cef4fee059d1550d290202..afbfa1704325b6547ee0ddd4d6222813301b573e 100644
--- a/test/metabase/api/dataset_test.clj
+++ b/test/metabase/api/dataset_test.clj
@@ -318,7 +318,7 @@
(testing "\nCan we fetch a native version of an MBQL query?"
(is (= {:query (str "SELECT \"PUBLIC\".\"VENUES\".\"ID\" AS \"ID\", \"PUBLIC\".\"VENUES\".\"NAME\" AS \"NAME\" "
"FROM \"PUBLIC\".\"VENUES\" "
- "LIMIT 1048576")
+ "LIMIT 1048575")
:params nil}
(mt/user-http-request :rasta :post 200 "dataset/native"
(mt/mbql-query venues
@@ -328,7 +328,7 @@
(is (= {:query (str "SELECT \"PUBLIC\".\"CHECKINS\".\"ID\" AS \"ID\" FROM \"PUBLIC\".\"CHECKINS\" "
"WHERE (\"PUBLIC\".\"CHECKINS\".\"DATE\" >= timestamp with time zone '2015-11-13 00:00:00.000Z'"
" AND \"PUBLIC\".\"CHECKINS\".\"DATE\" < timestamp with time zone '2015-11-14 00:00:00.000Z') "
- "LIMIT 1048576")
+ "LIMIT 1048575")
:params nil}
(mt/user-http-request :rasta :post 200 "dataset/native"
(mt/mbql-query checkins
diff --git a/test/metabase/driver/common/parameters/values_test.clj b/test/metabase/driver/common/parameters/values_test.clj
index 75cd9275b5e3d86a07aceaa561766251ab01854b..8624749fa128f292775c3c5355ef909706c0be45 100644
--- a/test/metabase/driver/common/parameters/values_test.clj
+++ b/test/metabase/driver/common/parameters/values_test.clj
@@ -214,7 +214,7 @@
"\"PUBLIC\".\"VENUES\".\"PRICE\" AS \"PRICE\" "
"FROM \"PUBLIC\".\"VENUES\" "
"WHERE \"PUBLIC\".\"VENUES\".\"PRICE\" < 3 "
- "LIMIT 1048576")]
+ "LIMIT 1048575")]
(mt/with-temp Card [card {:dataset_query mbql-query}]
(is (= (i/->ReferencedCardQuery (:id card) expected-sql)
(#'values/value-for-tag
diff --git a/test/metabase/query_processor/middleware/catch_exceptions_test.clj b/test/metabase/query_processor/middleware/catch_exceptions_test.clj
index dba825b639bb6dbc030e23afa2720db92aac0685..57a89e5565916537c03fcf5e447f1f329c61fc86 100644
--- a/test/metabase/query_processor/middleware/catch_exceptions_test.clj
+++ b/test/metabase/query_processor/middleware/catch_exceptions_test.clj
@@ -140,7 +140,7 @@
(perms/grant-native-readwrite-permissions! (group/all-users) (data/id))
;; this is not actually a valid query
(is (schema= {:native (s/eq {:query (str "SELECT parsedatetime(formatdatetime(\"PUBLIC\".\"VENUES\".\"ID\", 'yyyyMM'), 'yyyyMM') "
- "AS \"ID\" FROM \"PUBLIC\".\"VENUES\" LIMIT 1048576")
+ "AS \"ID\" FROM \"PUBLIC\".\"VENUES\" LIMIT 1048575")
:params nil})
:preprocessed (s/pred map?)
s/Any s/Any}
diff --git a/test/metabase/query_processor/middleware/fetch_source_query_test.clj b/test/metabase/query_processor/middleware/fetch_source_query_test.clj
index 963b521268854746de9e0de1fe0c986ed01443c8..1d491e3a658815f767cbee38ded12bb4b83ccbf5 100644
--- a/test/metabase/query_processor/middleware/fetch_source_query_test.clj
+++ b/test/metabase/query_processor/middleware/fetch_source_query_test.clj
@@ -287,7 +287,7 @@
(let [query {:type :native
:native {:projections ["_id" "user_id" "venue_id"],
:query [{:$project {:_id "$_id"}}
- {:$limit 1048576}]
+ {:$limit 1048575}]
:collection "checkins"
:mbql? true}
:database (mt/id)}]
diff --git a/test/metabase/query_processor/middleware/parameters_test.clj b/test/metabase/query_processor/middleware/parameters_test.clj
index ba8eb0f93112f0a99f6e28ff0df4cf800c6e3716..2f476a2b07db07b304528c692d791cd2f216abb6 100644
--- a/test/metabase/query_processor/middleware/parameters_test.clj
+++ b/test/metabase/query_processor/middleware/parameters_test.clj
@@ -208,7 +208,7 @@
"\"PUBLIC\".\"VENUES\".\"LONGITUDE\" AS \"LONGITUDE\", "
"\"PUBLIC\".\"VENUES\".\"PRICE\" AS \"PRICE\" "
"FROM \"PUBLIC\".\"VENUES\" "
- "LIMIT 1048576")]
+ "LIMIT 1048575")]
(is (= (mt/native-query
{:query (str "SELECT COUNT(*) FROM (SELECT * FROM (" card-1-subquery ") AS c1) AS c2") :params nil})
(substitute-params
diff --git a/test/metabase/query_processor_test/explicit_joins_test.clj b/test/metabase/query_processor_test/explicit_joins_test.clj
index a03de666205bf06313c22a8973c3185d2597b117..588331122d48524ede114447062cfe88a27e7730 100644
--- a/test/metabase/query_processor_test/explicit_joins_test.clj
+++ b/test/metabase/query_processor_test/explicit_joins_test.clj
@@ -23,7 +23,7 @@
"FROM \"PUBLIC\".\"VENUES\" "
"LEFT JOIN \"PUBLIC\".\"CATEGORIES\" \"source\""
" ON \"PUBLIC\".\"VENUES\".\"CATEGORY_ID\" = 1 "
- "LIMIT 1048576")
+ "LIMIT 1048575")
(native-form
(mt/mbql-query venues
{:joins [{:source-table $$categories
diff --git a/test/metabase/query_processor_test/failure_test.clj b/test/metabase/query_processor_test/failure_test.clj
index 09d9184b75d0cf5d7e15c1d755df079b9aaa27d0..785cfaa3ccd4de4bdd21803fb604eaf47e382480 100644
--- a/test/metabase/query_processor_test/failure_test.clj
+++ b/test/metabase/query_processor_test/failure_test.clj
@@ -32,7 +32,7 @@
(def ^:private bad-query-native-schema
{:query (s/eq (str "SELECT parsedatetime(formatdatetime(\"PUBLIC\".\"VENUES\".\"ID\", 'yyyyMM'), 'yyyyMM') AS \"ID\" "
"FROM \"PUBLIC\".\"VENUES\" "
- "LIMIT 1048576"))
+ "LIMIT 1048575"))
:params (s/eq nil)})
(deftest process-userland-query-test
diff --git a/test/metabase/query_processor_test/nested_queries_test.clj b/test/metabase/query_processor_test/nested_queries_test.clj
index 1681a14a93bcdd3897bc0d3889687e0360b2587e..6abb5ca3162b5353cb8d93ee7b3029a4bb5afea6 100644
--- a/test/metabase/query_processor_test/nested_queries_test.clj
+++ b/test/metabase/query_processor_test/nested_queries_test.clj
@@ -358,7 +358,7 @@
(deftest native-query-with-default-params-as-source-test
(testing "make sure using a native query with default params as a source works"
- (is (= {:query "SELECT \"source\".* FROM (SELECT * FROM PRODUCTS WHERE CATEGORY = ? LIMIT 10) \"source\" LIMIT 1048576",
+ (is (= {:query "SELECT \"source\".* FROM (SELECT * FROM PRODUCTS WHERE CATEGORY = ? LIMIT 10) \"source\" LIMIT 1048575"
:params ["Widget"]}
(mt/with-temp Card [card {:dataset_query {:database (mt/id)
:type :native
diff --git a/test/metabase/query_processor_test/query_to_native_test.clj b/test/metabase/query_processor_test/query_to_native_test.clj
index 4f07727d5ffe7e821f1cb856be2f9da679d75900..927f1445edbd0b4df8c82d35f238702616cb53a9 100644
--- a/test/metabase/query_processor_test/query_to_native_test.clj
+++ b/test/metabase/query_processor_test/query_to_native_test.clj
@@ -16,7 +16,7 @@
" \"PUBLIC\".\"VENUES\".\"LONGITUDE\" AS \"LONGITUDE\","
" \"PUBLIC\".\"VENUES\".\"PRICE\" AS \"PRICE\" "
"FROM \"PUBLIC\".\"VENUES\" "
- "LIMIT 1048576")
+ "LIMIT 1048575")
:params nil}
(qp/query->native (mt/mbql-query venues))))))
diff --git a/test/metabase/sync/sync_metadata/fields_test.clj b/test/metabase/sync/sync_metadata/fields_test.clj
index f2cdefbcd06ea4f8585e2eb93137de2d962e6192..db6b4488d8f69499f21b45c7094218226f4265f5 100644
--- a/test/metabase/sync/sync_metadata/fields_test.clj
+++ b/test/metabase/sync/sync_metadata/fields_test.clj
@@ -110,10 +110,10 @@
(is (= {:before-sync (str "SELECT \"PUBLIC\".\"birds\".\"species\" AS \"species\", "
"\"PUBLIC\".\"birds\".\"example_name\" AS \"example_name\" "
"FROM \"PUBLIC\".\"birds\" "
- "LIMIT 1048576")
+ "LIMIT 1048575")
:after-sync (str "SELECT \"PUBLIC\".\"birds\".\"species\" AS \"species\" "
"FROM \"PUBLIC\".\"birds\" "
- "LIMIT 1048576")}
+ "LIMIT 1048575")}
(with-test-db-before-and-after-altering
"ALTER TABLE \"birds\" DROP COLUMN \"example_name\";"
(fn [database]