[patches] [PATCH 1/7] collation: introduce coll_is_case_sensitive function

[Vladislav Shpilevoy]

It is needed in SQL to get column meta.

Needed for #2620

Signed-off-by: Vladislav Shpilevoy <v.shpilevoy at tarantool.org>
---
 src/box/coll.c | 7 +++++++
 src/box/coll.h | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/box/coll.c b/src/box/coll.c
index 97e1c306e..e0c9ee143 100644
--- a/src/box/coll.c
+++ b/src/box/coll.c
@@ -233,6 +233,13 @@ coll_icu_destroy(struct coll *coll)
 		ucol_close(coll->icu.collator);
 }
 
+bool
+coll_is_case_sensitive(const struct coll *coll)
+{
+	UCollationStrength strength = ucol_getStrength(coll->icu.collator);
+	return strength != UCOL_SECONDARY && strength != UCOL_PRIMARY;
+}
+
 /**
  * Create a collation by definition.
  * @param def - collation definition.
diff --git a/src/box/coll.h b/src/box/coll.h
index aa0e4c01a..f171e582c 100644
--- a/src/box/coll.h
+++ b/src/box/coll.h
@@ -78,6 +78,14 @@ struct coll {
 	char name[0];
 };
 
+/**
+ * Return true, if a collation is case sensitive.
+ * @param coll Collation to check.
+ * @retval Case sensitivity.
+ */
+bool
+coll_is_case_sensitive(const struct coll *coll);
+
 /**
  * Create a collation by definition.
  * @param def - collation definition.
-- 
2.14.3 (Apple Git-98)