ut0byte.h, ut0byte.c, dict0dict.c:

  Make column names non-case-sensitive in referential constraints and put table and database names there in lower case in Windows

1 files changed, 43 insertions, 0 deletions

diff --git a/innobase/ut/ut0byte.c b/innobase/ut/ut0byte.c
index fa0d904a6a7..02bdf2065ee 100644
--- a/innobase/ut/ut0byte.c
+++ b/innobase/ut/ut0byte.c
@@ -30,3 +30,46 @@ ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high)
 				ut_dulint_cmp);
 }
 
+/****************************************************************
+Copies a string to a memory location, setting characters to lower case. */
+
+void
+ut_cpy_in_lower_case(
+/*=================*/
+        char*   dest,  /* in: destination */
+	char*   source,/* in: source */
+        ulint   len)   /* in: string length */
+{
+        ulint i;
+
+	for (i = 0; i < len; i++) {
+	        dest[i] = tolower(source[i]);
+	}
+}
+
+/****************************************************************
+Compares two strings when converted to lower case. */
+
+int
+ut_cmp_in_lower_case(
+/*=================*/
+		       /* out: -1, 0, 1 if str1 < str2, str1 == str2,
+		       str1 > str2, respectively */
+       char*   str1,   /* in: string1 */
+       char*   str2,   /* in: string2 */
+       ulint   len)    /* in: length of both strings */
+{
+       ulint i;
+
+       for (i = 0; i < len; i++) {
+	       if (tolower(str1[i]) < tolower(str2[i])) {
+		       return(-1);
+	       }
+
+	       if (tolower(str1[i]) > tolower(str2[i])) {
+	               return(1);
+	       }
+       }
+
+       return(0);
+}