change: Initial version of procedures based partitioning.

postgresql/procedures/00_partitions_init.sql

@@ -0,0 +1,37 @@
+-- ============================================================================
+-- SCRIPT: 00_partitions_init.sql
+-- DESCRIPTION: Creates the 'partitions' schema and configuration table.
+--              Defines the structure for managing Zabbix partitioning.
+-- ============================================================================
+
+CREATE SCHEMA IF NOT EXISTS partitions;
+
+-- Configuration table to store partitioning settings per table
+CREATE TABLE IF NOT EXISTS partitions.config (
+    table_name      text NOT NULL,
+    period          text NOT NULL CHECK (period IN ('day', 'week', 'month', 'year')),
+    keep_history    interval NOT NULL,
+    last_updated    timestamp WITH TIME ZONE DEFAULT now(),
+    PRIMARY KEY (table_name)
+);
+
+-- Default configuration for Zabbix tables (adjust as needed)
+-- History tables: Daily partitions, keep 30 days
+INSERT INTO partitions.config (table_name, period, keep_history) VALUES
+('history', 'day', '30 days'),
+('history_uint', 'day', '30 days'),
+('history_str', 'day', '30 days'),
+('history_log', 'day', '30 days'),
+('history_text', 'day', '30 days')
+ON CONFLICT (table_name) DO NOTHING;
+
+-- Trends tables: Monthly partitions, keep 12 months
+INSERT INTO partitions.config (table_name, period, keep_history) VALUES
+('trends', 'month', '12 months'),
+('trends_uint', 'month', '12 months')
+ON CONFLICT (table_name) DO NOTHING;
+
+-- Auditlog: Monthly partitions, keep 12 months
+INSERT INTO partitions.config (table_name, period, keep_history) VALUES
+('auditlog', 'month', '12 months')
+ON CONFLICT (table_name) DO NOTHING;