Fix query creation via explorer; Extract header names to constants

api/headers/headers.go

@@ -0,0 +1,20 @@
+package headers
+
+const (
+	AIM                = "A-Im"
+	Authorization      = "authorization"
+	CosmosLsn          = "x-ms-cosmos-llsn"
+	ETag               = "etag"
+	GlobalCommittedLsn = "x-ms-global-committed-lsn"
+	IfNoneMatch        = "if-none-match"
+	IsBatchRequest     = "x-ms-cosmos-is-batch-request"
+	IsQueryPlanRequest = "x-ms-cosmos-is-query-plan-request"
+	IsUpsert           = "x-ms-documentdb-is-upsert"
+	ItemCount          = "x-ms-item-count"
+	LSN                = "lsn"
+	XDate              = "x-ms-date"
+
+	// Kinda retarded, but what can I do ¯\_(ツ)_/¯
+	IsQuery = "x-ms-documentdb-isquery" // Sent from python sdk and web explorer
+	Query   = "x-ms-documentdb-query"   // Sent from Go sdk
+)