Added database schema

database/stats.sql

+
+DROP TABLE IF EXISTS identifiers;
+
+CREATE TABLE identifiers (
+	`ID`					SERIAL,
+	`Identifier`			VARCHAR(255) NOT NULL
+);
+
+/* For queries */
+CREATE INDEX identifiers_idx1 ON identifiers (`Identifier`);
+
+
+
+DROP TABLE IF EXISTS stats;
+
+CREATE TABLE stats (
+	`ID`					SERIAL,
+
+	`IdentifierID`			BIGINT UNSIGNED NOT NULL,
+	`Key`					TINYINT UNSIGNED NOT NULL,  /* 1 = < 5min, 2 = 5min, 3 = 15min, 4 = 1hr, 5 = 6hr, 6 = 1 day */
+
+	`Timestamp`				INTEGER UNSIGNED NOT NULL,
+	`Direction`				TINYINT UNSIGNED NOT NULL,
+
+	`CIR`					MEDIUMINT UNSIGNED NOT NULL,
+	`Limit`					MEDIUMINT UNSIGNED NOT NULL,
+	`Rate`					MEDIUMINT UNSIGNED NOT NULL,
+	`PPS`					MEDIUMINT UNSIGNED NOT NULL,
+	`Queue_Len`				MEDIUMINT UNSIGNED NOT NULL,
+	`Total_Bytes`			BIGINT UNSIGNED NOT NULL,
+	`Total_Packets`			BIGINT UNSIGNED NOT NULL,
+	`Total_Overlimits`		BIGINT UNSIGNED NOT NULL,
+	`Total_Dropped`			BIGINT UNSIGNED NOT NULL
+);
+
+/* For queries */
+CREATE INDEX stats_idx1 ON stats (`IdentifierID`);
+CREATE INDEX stats_idx2 ON stats (`IdentifierID`,`Key`);
+CREATE INDEX stats_idx3 ON stats (`IdentifierID`,`Key`,`Timestamp`);
+/* For cleanups */
+CREATE INDEX stats_idx4 ON stats (`Key`,`Timestamp`);
+