sqlite: add option for meta-data about tables/queries

Enables SQLITE_ENABLE_COLUMN_METADATA to gain access to:

  - sqlite3_column_database_name()
  - sqlite3_column_database_name16()
  - sqlite3_column_table_name()
  - sqlite3_column_table_name16()
  - sqlite3_column_origin_name()
  - sqlite3_column_origin_name16()

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/sqlite/Config.in

@@ -16,6 +16,13 @@ config BR2_PACKAGE_SQLITE_STAT3
 	  query planner that can help SQLite to choose a better query
 	  plan under certain situations.
 
+config BR2_PACKAGE_SQLITE_ENABLE_COLUMN_METADATA
+	bool "Enable convenient access to meta-data about tables and queries"
+	help
+	  When this option is defined there are some additional APIs
+	  enabled to acces meta-data about tables and queries (see
+	  https://sqlite.org/compile.html).
+
 config BR2_PACKAGE_SQLITE_ENABLE_FTS3
 	bool "Enable version 3 of the full-text search engine"
 	help

package/sqlite/sqlite.mk

@@ -15,6 +15,10 @@ ifeq ($(BR2_PACKAGE_SQLITE_STAT3),y)
 SQLITE_CFLAGS += -DSQLITE_ENABLE_STAT3
 endif
 
+ifeq ($(BR2_PACKAGE_SQLITE_ENABLE_COLUMN_METADATA),y)
+SQLITE_CFLAGS += -DSQLITE_ENABLE_COLUMN_METADATA
+endif
+
 ifeq ($(BR2_PACKAGE_SQLITE_ENABLE_FTS3),y)
 SQLITE_CFLAGS += -DSQLITE_ENABLE_FTS3
 endif