Allow LIKE operators that appear in a WHERE clause to be included in the cursor-hint for a cursor on the rhs of a LEFT JOIN.

FossilOrigin-Name: 7455d932f5079ffe40462a8c119fc22b8a9bcbcc
2016-06-20 17:22:06 +00:00
parent e6912fd819
commit 2b693d63e4
4 changed files with 28 additions and 9 deletions
@@ -164,5 +164,17 @@ do_extract_hints_test 2.10 {
  x2 {AND(EQ(c1,ADD(32,32)),EQ(c0,r[2]))}
 }

+do_extract_hints_test 2.11 {
+  SELECT * FROM x1 LEFT JOIN x2 ON (a=x) WHERE x2.b LIKE 'abc%'
+} {
+  x2 {AND(expr,EQ(c0,r[2]))}
+}
+
+do_extract_hints_test 2.11 {
+  SELECT * FROM x1 LEFT JOIN x2 ON (a=x) WHERE coalesce(x2.b, 1)
+} {
+  x2 {EQ(c0,r[2])}
+}
+
 finish_test