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-rw-r--r--mysql-test/main/frm-debug.test19
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/main/frm-debug.test b/mysql-test/main/frm-debug.test
new file mode 100644
index 00000000000..95207354bdc
--- /dev/null
+++ b/mysql-test/main/frm-debug.test
@@ -0,0 +1,19 @@
+--source include/have_debug.inc
+
+--echo #
+--echo # MDEV-20042 Implement EXTRA2_FIELD_DATA_TYPE_INFO in FRM
+--echo #
+
+# This should have empty EXTRA2_FIELD_DATA_TYPE_INFO
+SET SESSION debug_dbug="+d,frm_data_type_info";
+CREATE TABLE t1 (c01 INT, c02 CHAR(20), c03 TEXT, c04 DOUBLE);
+DROP TABLE t1;
+SET SESSION debug_dbug="-d,frm_data_type_info";
+
+# This should have non-empty EXTRA2_FIELD_DATA_TYPE_INFO
+SET SESSION debug_dbug="+d,frm_data_type_info";
+SET SESSION debug_dbug="+d,frm_data_type_info_emulate";
+CREATE TABLE t1 (c01 INT, c02 CHAR(20), c03 TEXT, c04 DOUBLE);
+DROP TABLE t1;
+SET SESSION debug_dbug="-d,frm_data_type_info_emulate";
+SET SESSION debug_dbug="-d,frm_data_type_info";