M src/admin/md/api_indexes.md → src/admin/md/api_indexes.md

@@ -7,11 +7,6 @@ > This resource has been introduced in version 5 of the LiteStore API.
 
 LiteStore Indexes are special indexes used to optimize the performance of queries on JSON documents.
 
-> %warning%
-> JSON-only Documents Required!
->
-> Indexes can be created *only* if the entire database is composed by JSON documents. If not, LiteStore will return an error when attempting to create the first index.
-
 #### OPTIONS indexes
 
 Returns the allowed HTTP verbs for this resource.

M src/litestorepkg/lib/core.nim → src/litestorepkg/lib/core.nim

@@ -136,7 +136,7 @@ 
 # Manage Indexes
 
 proc createIndex*(store: Datastore, indexId, field: string) =
-  let query = sql("CREATE INDEX json_index_$1 ON documents(json_extract(data, ?) COLLATE NOCASE)" % [indexId])
+  let query = sql("CREATE INDEX json_index_$1 ON documents(json_extract(data, ?) COLLATE NOCASE) WHERE json_valid(data)" % [indexId])
   store.begin()
   store.db.exec(query, field)
   store.commit()