From 722b6345fecdd8b6f3e491ac3c2f28b6da38edf2 Mon Sep 17 00:00:00 2001
From: Mark Rushakoff <mark@influxdb.com>
Date: Mon, 19 Dec 2016 09:31:26 -0800
Subject: [PATCH] Fix unchecked error in templated Read${TYPE}Block

---
 tsdb/engine/tsm1/file_store.gen.go      | 12 ++++++++++++
 tsdb/engine/tsm1/file_store.gen.go.tmpl |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/tsdb/engine/tsm1/file_store.gen.go b/tsdb/engine/tsm1/file_store.gen.go
index bf2ae09bd0..27a70d0b2e 100644
--- a/tsdb/engine/tsm1/file_store.gen.go
+++ b/tsdb/engine/tsm1/file_store.gen.go
@@ -17,6 +17,9 @@ func (c *KeyCursor) ReadFloatBlock(buf *[]FloatValue) ([]FloatValue, error) {
 	first := c.current[0]
 	*buf = (*buf)[:0]
 	values, err := first.r.ReadFloatBlockAt(&first.entry, buf)
+	if err != nil {
+		return nil, err
+	}
 
 	// Remove values we already read
 	values = FloatValues(values).Exclude(first.readMin, first.readMax)
@@ -177,6 +180,9 @@ func (c *KeyCursor) ReadIntegerBlock(buf *[]IntegerValue) ([]IntegerValue, error
 	first := c.current[0]
 	*buf = (*buf)[:0]
 	values, err := first.r.ReadIntegerBlockAt(&first.entry, buf)
+	if err != nil {
+		return nil, err
+	}
 
 	// Remove values we already read
 	values = IntegerValues(values).Exclude(first.readMin, first.readMax)
@@ -337,6 +343,9 @@ func (c *KeyCursor) ReadStringBlock(buf *[]StringValue) ([]StringValue, error) {
 	first := c.current[0]
 	*buf = (*buf)[:0]
 	values, err := first.r.ReadStringBlockAt(&first.entry, buf)
+	if err != nil {
+		return nil, err
+	}
 
 	// Remove values we already read
 	values = StringValues(values).Exclude(first.readMin, first.readMax)
@@ -497,6 +506,9 @@ func (c *KeyCursor) ReadBooleanBlock(buf *[]BooleanValue) ([]BooleanValue, error
 	first := c.current[0]
 	*buf = (*buf)[:0]
 	values, err := first.r.ReadBooleanBlockAt(&first.entry, buf)
+	if err != nil {
+		return nil, err
+	}
 
 	// Remove values we already read
 	values = BooleanValues(values).Exclude(first.readMin, first.readMax)
diff --git a/tsdb/engine/tsm1/file_store.gen.go.tmpl b/tsdb/engine/tsm1/file_store.gen.go.tmpl
index 164b6baac3..f7a0aca904 100644
--- a/tsdb/engine/tsm1/file_store.gen.go.tmpl
+++ b/tsdb/engine/tsm1/file_store.gen.go.tmpl
@@ -13,6 +13,9 @@ func (c *KeyCursor) Read{{.Name}}Block(buf *[]{{.Name}}Value) ([]{{.Name}}Value,
 	first := c.current[0]
 	*buf = (*buf)[:0]
 	values, err := first.r.Read{{.Name}}BlockAt(&first.entry, buf)
+	if err != nil {
+		return nil, err
+	}
 
 	// Remove values we already read
 	values = {{.Name}}Values(values).Exclude(first.readMin, first.readMax)