Add test for union with brackets

See https://github.com/phpmyadmin/phpmyadmin/issues/12026

Signed-off-by: Michal Čihař <michal@cihar.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/tests/data/parser/parseSelectUnion.in b/tests/data/parser/parseSelectUnion.in
new file mode 100644
index 0000000..75e673b
--- /dev/null
+++ b/tests/data/parser/parseSelectUnion.in
@@ -0,0 +1 @@
+(SELECT a FROM t WHERE a=1) UNION (SELECT a FROM t WHERE a=2)
diff --git a/tests/data/parser/parseSelectUnion.out b/tests/data/parser/parseSelectUnion.out
new file mode 100644
index 0000000..bc82de0
--- /dev/null
+++ b/tests/data/parser/parseSelectUnion.out
@@ -0,0 +1,4 @@
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