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authorMichael Widenius <monty@mariadb.org>2018-03-09 14:05:35 +0200
committerMonty <monty@mariadb.org>2018-03-29 13:59:44 +0300
commita7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch)
tree70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/main/sp_stress_case.test
parentab1941266c59a19703a74b5593cf3f508a5752d7 (diff)
downloadmariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/main/sp_stress_case.test')
-rw-r--r--mysql-test/main/sp_stress_case.test89
1 files changed, 89 insertions, 0 deletions
diff --git a/mysql-test/main/sp_stress_case.test b/mysql-test/main/sp_stress_case.test
new file mode 100644
index 00000000000..1b5bd8991a9
--- /dev/null
+++ b/mysql-test/main/sp_stress_case.test
@@ -0,0 +1,89 @@
+#
+# Bug#19194 (Right recursion in parser for CASE causes excessive stack
+# usage, limitation)
+#
+
+--disable_warnings
+DROP PROCEDURE IF EXISTS proc_19194_codegen;
+DROP PROCEDURE IF EXISTS bug_19194_simple;
+DROP PROCEDURE IF EXISTS bug_19194_searched;
+--enable_warnings
+
+delimiter |;
+
+CREATE PROCEDURE proc_19194_codegen(
+ IN proc_name VARCHAR(50),
+ IN count INTEGER,
+ IN simple INTEGER,
+ OUT body MEDIUMTEXT)
+BEGIN
+ DECLARE code MEDIUMTEXT;
+ DECLARE i INT DEFAULT 1;
+
+ SET code = concat("CREATE PROCEDURE ", proc_name, "(i INT)\n");
+ SET code = concat(code, "BEGIN\n");
+ SET code = concat(code, " DECLARE str CHAR(10);\n");
+
+ IF (simple)
+ THEN
+ SET code = concat(code, " CASE i\n");
+ ELSE
+ SET code = concat(code, " CASE\n");
+ END IF;
+
+ WHILE (i <= count)
+ DO
+ IF (simple)
+ THEN
+ SET code = concat(code, " WHEN ", i, " THEN SET str=\"", i, "\";\n");
+ ELSE
+ SET code = concat(code, " WHEN i=", i, " THEN SET str=\"", i, "\";\n");
+ END IF;
+
+ SET i = i + 1;
+ END WHILE;
+
+ SET code = concat(code, " ELSE SET str=\"unknown\";\n");
+ SET code = concat(code, " END CASE;\n");
+ SET code = concat(code, " SELECT str;\n");
+
+ SET code = concat(code, "END\n");
+
+ SET body = code;
+END|
+
+delimiter ;|
+
+set @body="";
+call proc_19194_codegen("test_simple", 10, 1, @body);
+select @body;
+call proc_19194_codegen("test_searched", 10, 0, @body);
+select @body;
+
+--disable_query_log
+call proc_19194_codegen("bug_19194_simple", 5000, 1, @body);
+let $proc_body = `select @body`;
+eval $proc_body;
+call proc_19194_codegen("bug_19194_searched", 5000, 1, @body);
+let $proc_body = `select @body`;
+eval $proc_body;
+--enable_query_log
+
+CALL bug_19194_simple(1);
+CALL bug_19194_simple(2);
+CALL bug_19194_simple(1000);
+CALL bug_19194_simple(4998);
+CALL bug_19194_simple(4999);
+CALL bug_19194_simple(9999);
+
+CALL bug_19194_searched(1);
+CALL bug_19194_searched(2);
+CALL bug_19194_searched(1000);
+CALL bug_19194_searched(4998);
+CALL bug_19194_searched(4999);
+CALL bug_19194_searched(9999);
+
+DROP PROCEDURE proc_19194_codegen;
+DROP PROCEDURE bug_19194_simple;
+DROP PROCEDURE bug_19194_searched;
+