cve-update-db-native: add an index on the CVE ID column

Create an index on the PRODUCTS table which contains a row for each CPE,
drastically increasing the performance of lookups for a specific CVE.

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-core/meta/cve-update-db-native.bb b/meta/recipes-core/meta/cve-update-db-native.bb
index c15534de08b825fefb32c71cef3cd4ae62fd4273..08b18f064f051abce1042b89f2cf941c8c16fda0 100644 (file)
--- a/meta/recipes-core/meta/cve-update-db-native.bb
+++ b/meta/recipes-core/meta/cve-update-db-native.bb
@@ -120,11 +120,14 @@ python do_populate_cve_db() {
 
 def initialize_db(c):
     c.execute("CREATE TABLE IF NOT EXISTS META (YEAR INTEGER UNIQUE, DATE TEXT)")
+
     c.execute("CREATE TABLE IF NOT EXISTS NVD (ID TEXT UNIQUE, SUMMARY TEXT, \
         SCOREV2 TEXT, SCOREV3 TEXT, MODIFIED INTEGER, VECTOR TEXT)")
+
     c.execute("CREATE TABLE IF NOT EXISTS PRODUCTS (ID TEXT, \
         VENDOR TEXT, PRODUCT TEXT, VERSION_START TEXT, OPERATOR_START TEXT, \
         VERSION_END TEXT, OPERATOR_END TEXT)")
+    c.execute("CREATE INDEX IF NOT EXISTS PRODUCT_ID_IDX on PRODUCTS(ID);")
 
 def parse_node_and_insert(c, node, cveId):
     # Parse children node if needed