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authorOleksandr Byelkin <sanja@mariadb.com>2020-03-09 14:56:49 +0100
committerOleksandr Byelkin <sanja@mariadb.com>2020-03-09 14:56:49 +0100
commit1715f0ae100b7dee967a8f579a4850db345de78a (patch)
treecb274c7065827856b09248baecfc34c10ff0ccff
parentaffd93d33dc6b067834fc86cee98db2157376920 (diff)
downloadmariadb-git-1715f0ae100b7dee967a8f579a4850db345de78a.tar.gz
More tests with bit & blob
-rw-r--r--mysql-test/main/cte_cycle.result69
-rw-r--r--mysql-test/main/cte_cycle.test43
2 files changed, 112 insertions, 0 deletions
diff --git a/mysql-test/main/cte_cycle.result b/mysql-test/main/cte_cycle.result
index 889330f0737..e66d090b3c7 100644
--- a/mysql-test/main/cte_cycle.result
+++ b/mysql-test/main/cte_cycle.result
@@ -85,3 +85,72 @@ depth from_ to_
1 1 NULL
drop view v1;
drop table t1;
+#
+# A simple blob case
+#
+create table t1 (a int, b text);
+insert into t1 values (1, "a");
+WITH RECURSIVE cte AS (
+SELECT a, b from t1 UNION ALL
+SELECT a, b FROM cte WHERE a IS NOT NULL)
+CYCLE b RESTRICT
+SELECT * FROM cte;
+a b
+1 a
+drop table t1;
+#
+# check bit types
+#
+create table t1 (from_ bit(3), to_ bit(3));
+insert into t1 values (1,2), (1,7), (2,3), (3,4), (4,1);
+WITH RECURSIVE cte (depth, from_, to_) as (
+SELECT 0,1,1
+UNION
+SELECT depth+1, t1.from_, t1.to_
+FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_ RESTRICT
+select * from cte;
+depth from_ to_
+0 1 1
+1 1 2
+1 1 7
+2 2 3
+3 3 4
+4 4 1
+drop table t1;
+#
+# check bit types with BLOBs (TEXT)
+#
+create table t1 (from_ bit(3), to_ bit(3), load_ text);
+insert into t1 values (1,2,"A"), (1,7,"A"), (2,3,"A"), (3,4,"A"), (4,1,"A");
+WITH RECURSIVE cte (depth, from_, to_, load_) as (
+SELECT 0,1,1,"A"
+ UNION
+SELECT depth+1, t1.from_, t1.to_, t1.load_
+FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_, load_ RESTRICT
+select * from cte;
+depth from_ to_ load_
+0 1 1 A
+1 1 2 A
+1 1 7 A
+2 2 3 A
+3 3 4 A
+4 4 1 A
+insert into t1 values (4,1,"B");
+WITH RECURSIVE cte (depth, from_, to_, load_) as (
+SELECT 0,1,1,"A"
+ UNION
+SELECT depth+1, t1.from_, t1.to_, t1.load_
+FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_, load_ RESTRICT
+select * from cte;
+depth from_ to_ load_
+0 1 1 A
+1 1 2 A
+1 1 7 A
+2 2 3 A
+3 3 4 A
+4 4 1 A
+4 4 1 B
+drop table t1;
diff --git a/mysql-test/main/cte_cycle.test b/mysql-test/main/cte_cycle.test
index b1dadcbe8f2..505980353fd 100644
--- a/mysql-test/main/cte_cycle.test
+++ b/mysql-test/main/cte_cycle.test
@@ -98,3 +98,46 @@ WITH RECURSIVE cte AS (
SELECT * FROM cte;
drop table t1;
+
+--echo #
+--echo # check bit types
+--echo #
+
+create table t1 (from_ bit(3), to_ bit(3));
+insert into t1 values (1,2), (1,7), (2,3), (3,4), (4,1);
+
+WITH RECURSIVE cte (depth, from_, to_) as (
+ SELECT 0,1,1
+ UNION
+ SELECT depth+1, t1.from_, t1.to_
+ FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_ RESTRICT
+select * from cte;
+drop table t1;
+
+--echo #
+--echo # check bit types with BLOBs (TEXT)
+--echo #
+
+create table t1 (from_ bit(3), to_ bit(3), load_ text);
+insert into t1 values (1,2,"A"), (1,7,"A"), (2,3,"A"), (3,4,"A"), (4,1,"A");
+
+WITH RECURSIVE cte (depth, from_, to_, load_) as (
+ SELECT 0,1,1,"A"
+ UNION
+ SELECT depth+1, t1.from_, t1.to_, t1.load_
+ FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_, load_ RESTRICT
+select * from cte;
+insert into t1 values (4,1,"B");
+WITH RECURSIVE cte (depth, from_, to_, load_) as (
+ SELECT 0,1,1,"A"
+ UNION
+ SELECT depth+1, t1.from_, t1.to_, t1.load_
+ FROM t1, cte WHERE t1.from_ = cte.to_
+) CYCLE from_, to_, load_ RESTRICT
+select * from cte;
+
+drop table t1;
+
+