[CP] fix extract wrong query range when char compare with varchar

2023-07-05 04:48:15 +00:00
parent facdb42548
commit a60735a142
1 changed files with 6 additions and 0 deletions
--- a/src/sql/rewrite/ob_query_range.cpp
+++ b/src/sql/rewrite/ob_query_range.cpp
@ -7069,6 +7069,12 @@ if (OB_SUCC(ret) ) { \
        include_start = true; \
      } else if (cmp > 0) { \
        include_start = false; \
+      } else if (is_oracle_mode() && \
+                 ((column_type.get_type() == ObCharType && start.get_type() == ObVarcharType) || \
+                  (column_type.get_type() == ObNCharType && start.get_type() == ObNVarchar2Type))) { \
+        /* when char compare with varchar, same string may need return due to padding blank. \
+           e.g. c1(char(3)) > '1'(varchar(1)) will return '1  ' */ \
+        include_start = true; \
      } \
      start = *dest_val; \
    } \