v0.5.0

src/queries.rs

@@ -233,6 +233,12 @@ ORDER BY MIN(timestamp) ASC
 LIMIT ?3
 "#;
 
+pub const LIST_DEVICE_HISTORY_BEFORE: &str = r#"
+SELECT id,device_id,timestamp,indoor_temperature,outdoor_temperature,target_temperature,power,source
+FROM readings WHERE timestamp < ?1 ORDER BY timestamp ASC LIMIT ?2
+"#;
+pub const DELETE_READING_BY_ID: &str = "DELETE FROM readings WHERE id=?1";
+
 pub const PRUNE_READINGS: &str = "DELETE FROM readings WHERE timestamp < ?1";
 
 pub const INSERT_ZONE_READING_IF_DUE: &str = r#"
@@ -276,6 +282,13 @@ LIMIT ?3
 
 pub const DELETE_ZONE_READINGS_BY_ZONE_ID: &str = "DELETE FROM zone_readings WHERE zone_id=?1";
 pub const DELETE_ZONE_READINGS_BY_DEVICE_ID: &str = "DELETE FROM zone_readings WHERE device_id=?1";
+pub const LIST_ZONE_HISTORY_BEFORE: &str = r#"
+SELECT id,zone_id,device_id,timestamp,gree_temperature,external_temperature,control_temperature,
+       target_temperature,device_setpoint,outdoor_temperature,power,mode,fan_speed,demand,control_source,active_preset
+FROM zone_readings WHERE timestamp < ?1 ORDER BY timestamp ASC LIMIT ?2
+"#;
+pub const DELETE_ZONE_READING_BY_ID: &str = "DELETE FROM zone_readings WHERE id=?1";
+
 pub const PRUNE_ZONE_READINGS: &str = "DELETE FROM zone_readings WHERE timestamp < ?1";
 
 pub const INSERT_HA_READING_IF_DUE: &str = r#"
@@ -306,8 +319,58 @@ ORDER BY MIN(timestamp) ASC
 LIMIT ?3
 "#;
 
+pub const LIST_HA_HISTORY_BEFORE: &str = r#"
+SELECT id,entity_id,zone_id,kind,timestamp,temperature
+FROM ha_readings WHERE timestamp < ?1 ORDER BY timestamp ASC LIMIT ?2
+"#;
+pub const DELETE_HA_READING_BY_ID: &str = "DELETE FROM ha_readings WHERE id=?1";
+
 pub const PRUNE_HA_READINGS: &str = "DELETE FROM ha_readings WHERE timestamp < ?1";
 
+
+// Tiered history compaction keeps only the resolution the charts can actually display.
+pub const COMPACT_DEVICE_HISTORY: &str = r#"
+DELETE FROM readings WHERE id IN (
+    SELECT id FROM (
+        SELECT id, ROW_NUMBER() OVER (
+            PARTITION BY device_id, CAST(unixepoch(timestamp)/?1 AS INTEGER)
+            ORDER BY timestamp DESC, id DESC
+        ) AS rn
+        FROM readings WHERE timestamp < ?2 AND timestamp >= ?3
+    ) WHERE rn > 1
+)
+"#;
+
+pub const COMPACT_ZONE_HISTORY: &str = r#"
+DELETE FROM zone_readings WHERE id IN (
+    SELECT id FROM (
+        SELECT id, ROW_NUMBER() OVER (
+            PARTITION BY zone_id, CAST(unixepoch(timestamp)/?1 AS INTEGER)
+            ORDER BY timestamp DESC, id DESC
+        ) AS rn
+        FROM zone_readings WHERE timestamp < ?2 AND timestamp >= ?3
+    ) WHERE rn > 1
+)
+"#;
+
+pub const COMPACT_HA_HISTORY: &str = r#"
+DELETE FROM ha_readings WHERE id IN (
+    SELECT id FROM (
+        SELECT id, ROW_NUMBER() OVER (
+            PARTITION BY entity_id, COALESCE(zone_id,''), kind, CAST(unixepoch(timestamp)/?1 AS INTEGER)
+            ORDER BY timestamp DESC, id DESC
+        ) AS rn
+        FROM ha_readings WHERE timestamp < ?2 AND timestamp >= ?3
+    ) WHERE rn > 1
+)
+"#;
+
+pub const CLEAR_CONFIGURATION: &str = r#"
+DELETE FROM schedules;
+DELETE FROM automations;
+DELETE FROM zones;
+DELETE FROM devices;
+"#;
 pub const HISTORY_COUNTS: &str = r#"
 SELECT
     (SELECT COUNT(*) FROM readings),