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authorGravatar Adam Chlipala <adam@chlipala.net>2011-11-19 10:43:57 -0500
committerGravatar Adam Chlipala <adam@chlipala.net>2011-11-19 10:43:57 -0500
commite43dd849a122a59fa2c22278ddf9c9a09d1550bd (patch)
treeb8e125a96ec1466c542b24651ef1ce4027f21193 /lib/ur
parent9a047b4f248ace0615eaf18ba130e14e49634723 (diff)
COALESCE
Diffstat (limited to 'lib/ur')
-rw-r--r--lib/ur/basis.urs6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 73ee8e2b..f21faf38 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -474,6 +474,12 @@ val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
-> sql_exp tables agg exps (option t)
-> sql_exp tables agg exps bool
+val sql_coalesce : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
+ -> t ::: Type
+ -> sql_exp tables agg exps (option t)
+ -> sql_exp tables agg exps t
+ -> sql_exp tables agg exps t
+
val sql_if_then_else : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
-> t ::: Type
-> sql_exp tables agg exps bool