test: update generated init_scripts
This commit is contained in:
@@ -22,7 +22,7 @@ CREATE TABLE IF NOT EXISTS partitions.version (
|
||||
description text
|
||||
);
|
||||
|
||||
INSERT INTO partitions.version (version, description) VALUES ('7-1', 'Zabbix 7.4 and 7.0 compatible version')
|
||||
INSERT INTO partitions.version (version, description) VALUES ('7-2', 'Added housekeeper task interceptor trigger to drop tasks for partitioned tables')
|
||||
ON CONFLICT (version) DO NOTHING;
|
||||
|
||||
-- Default configuration for Zabbix tables (adjust as needed)
|
||||
@@ -32,9 +32,16 @@ INSERT INTO partitions.config (table_name, period, keep_history) VALUES
|
||||
('history_uint', 'day', '30 days'),
|
||||
('history_str', 'day', '30 days'),
|
||||
('history_log', 'day', '30 days'),
|
||||
('history_text', 'day', '30 days')
|
||||
('history_text', 'day', '30 days'),
|
||||
('history_bin', 'day', '30 days')
|
||||
ON CONFLICT (table_name) DO NOTHING;
|
||||
|
||||
-- Zabbix 8.0+ only: Uncomment the following lines if running Zabbix 8.0 or later
|
||||
-- INSERT INTO partitions.config (table_name, period, keep_history) VALUES
|
||||
-- ('history_json', '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'),
|
||||
|
||||
@@ -2,14 +2,15 @@
|
||||
-- Core functions for Zabbix partitioning (Create, Drop, Maintain).
|
||||
-- ============================================================================
|
||||
|
||||
-- Function to check if a partition exists
|
||||
CREATE OR REPLACE FUNCTION partitions.partition_exists(p_partition_name text)
|
||||
-- Function to check if a partition exists in a specific schema
|
||||
CREATE OR REPLACE FUNCTION partitions.partition_exists(p_partition_name text, p_schema text)
|
||||
RETURNS boolean AS $$
|
||||
BEGIN
|
||||
RETURN EXISTS (
|
||||
SELECT 1 FROM pg_class c
|
||||
JOIN pg_namespace n ON n.oid = c.relnamespace
|
||||
WHERE c.relname = p_partition_name
|
||||
AND n.nspname = p_schema
|
||||
);
|
||||
END;
|
||||
$$ LANGUAGE plpgsql;
|
||||
@@ -32,7 +33,7 @@ BEGIN
|
||||
SELECT n.nspname INTO v_parent_schema
|
||||
FROM pg_class c
|
||||
JOIN pg_namespace n ON n.oid = c.relnamespace
|
||||
WHERE c.relname = p_parent_table;
|
||||
WHERE c.relname = p_parent_table AND pg_table_is_visible(c.oid);
|
||||
|
||||
IF NOT FOUND THEN
|
||||
RAISE EXCEPTION 'Parent table % not found', p_parent_table;
|
||||
@@ -51,15 +52,19 @@ BEGIN
|
||||
|
||||
v_partition_name := p_parent_table || '_p' || v_suffix;
|
||||
|
||||
IF NOT partitions.partition_exists(v_partition_name) THEN
|
||||
IF NOT partitions.partition_exists(v_partition_name, v_parent_schema) THEN
|
||||
BEGIN
|
||||
EXECUTE format(
|
||||
'CREATE TABLE %I.%I PARTITION OF %I.%I FOR VALUES FROM (%s) TO (%s)',
|
||||
v_parent_schema, v_partition_name, v_parent_schema, p_parent_table, v_start_ts, v_end_ts
|
||||
);
|
||||
EXCEPTION WHEN invalid_object_definition THEN
|
||||
EXCEPTION
|
||||
WHEN invalid_object_definition THEN
|
||||
-- Ignore overlap errors (e.g., when transitioning from daily to hourly partitioning)
|
||||
RAISE NOTICE 'Partition % overlaps with an existing partition. Skipping.', v_partition_name;
|
||||
WHEN duplicate_table THEN
|
||||
-- Ignore race condition: another process created the partition concurrently
|
||||
RAISE NOTICE 'Partition % already exists (concurrent creation). Skipping.', v_partition_name;
|
||||
END;
|
||||
END IF;
|
||||
END;
|
||||
@@ -89,7 +94,7 @@ BEGIN
|
||||
JOIN pg_class parent ON pg_inherits.inhparent = parent.oid
|
||||
JOIN pg_class child ON pg_inherits.inhrelid = child.oid
|
||||
JOIN pg_namespace n ON child.relnamespace = n.oid
|
||||
WHERE parent.relname = p_parent_table
|
||||
WHERE parent.relname = p_parent_table AND pg_table_is_visible(parent.oid)
|
||||
LOOP
|
||||
-- Parse partition suffix to determine age
|
||||
-- Format: parent_pYYYYMM or parent_pYYYYMMDD
|
||||
|
||||
@@ -19,10 +19,10 @@ BEGIN
|
||||
SELECT n.nspname INTO v_schema
|
||||
FROM pg_class c
|
||||
JOIN pg_namespace n ON n.oid = c.relnamespace
|
||||
WHERE c.relname = v_table;
|
||||
WHERE c.relname = v_table AND pg_table_is_visible(c.oid);
|
||||
|
||||
|
||||
IF EXISTS (SELECT 1 FROM pg_class WHERE relname = v_table AND relkind = 'r') THEN
|
||||
IF EXISTS (SELECT 1 FROM pg_class WHERE relname = v_table AND relkind = 'r' AND pg_table_is_visible(oid)) THEN
|
||||
RAISE NOTICE 'Converting table % to partitioned table...', v_table;
|
||||
|
||||
-- 1. Rename existing table
|
||||
@@ -48,19 +48,37 @@ BEGIN
|
||||
-- Optional: Migrate existing data
|
||||
-- EXECUTE format('INSERT INTO %I.%I SELECT * FROM %I.%I', v_schema, v_table, v_schema, v_old_table);
|
||||
|
||||
ELSIF EXISTS (SELECT 1 FROM pg_class WHERE relname = v_table AND relkind = 'p') THEN
|
||||
ELSIF EXISTS (SELECT 1 FROM pg_class WHERE relname = v_table AND relkind = 'p' AND pg_table_is_visible(oid)) THEN
|
||||
RAISE NOTICE 'Table % is already partitioned. Skipping conversion.', v_table;
|
||||
-- Just run maintenance to ensure partitions exist
|
||||
CALL partitions.run_maintenance();
|
||||
-- Just run maintenance for this specific table to ensure partitions exist
|
||||
CALL partitions.maintain_table(v_table, v_row.period, v_row.keep_history, v_row.future_partitions);
|
||||
ELSE
|
||||
RAISE WARNING 'Table % not found!', v_table;
|
||||
END IF;
|
||||
END LOOP;
|
||||
|
||||
-- Attach trigger to housekeeper table to silently discard tasks for partitioned tables.
|
||||
-- Dynamically determine the schema of the housekeeper table to support custom schemas.
|
||||
SELECT n.nspname INTO v_schema
|
||||
FROM pg_class c
|
||||
JOIN pg_namespace n ON n.oid = c.relnamespace
|
||||
WHERE c.relname = 'housekeeper' AND pg_table_is_visible(c.oid);
|
||||
|
||||
IF v_schema IS NOT NULL THEN
|
||||
EXECUTE format('DROP TRIGGER IF EXISTS housekeeper_filter ON %I.housekeeper', v_schema);
|
||||
EXECUTE format('CREATE TRIGGER housekeeper_filter BEFORE INSERT ON %I.housekeeper FOR EACH ROW EXECUTE FUNCTION partitions.housekeeper_insert_trigger()', v_schema);
|
||||
RAISE NOTICE 'Housekeeper intercept trigger installed on %.housekeeper', v_schema;
|
||||
ELSE
|
||||
RAISE WARNING 'housekeeper table not found — trigger NOT installed!';
|
||||
END IF;
|
||||
END $$;
|
||||
|
||||
-- Attach trigger to housekeeper table to silently discard tasks for partitioned tables
|
||||
DROP TRIGGER IF EXISTS housekeeper_filter ON housekeeper;
|
||||
CREATE TRIGGER housekeeper_filter
|
||||
BEFORE INSERT ON housekeeper
|
||||
FOR EACH ROW
|
||||
EXECUTE FUNCTION partitions.housekeeper_insert_trigger();
|
||||
-- ==========================================================================
|
||||
-- IMPORTANT: If the Zabbix Server connects with a non-superuser (e.g., 'zabbix'),
|
||||
-- that user MUST have access to the partitions schema for the housekeeper trigger
|
||||
-- to work. Without these GRANTs, every INSERT into housekeeper will FAIL.
|
||||
-- Uncomment and adjust the username below:
|
||||
-- ==========================================================================
|
||||
-- GRANT USAGE ON SCHEMA partitions TO zabbix;
|
||||
-- GRANT SELECT ON partitions.config TO zabbix;
|
||||
|
||||
|
||||
@@ -2,8 +2,7 @@
|
||||
-- Creates a view to monitor partition status and sizes.
|
||||
-- ============================================================================
|
||||
|
||||
DROP VIEW IF EXISTS partitions.monitoring;
|
||||
CREATE VIEW partitions.monitoring AS
|
||||
CREATE OR REPLACE VIEW partitions.monitoring AS
|
||||
SELECT
|
||||
parent.relname AS parent_table,
|
||||
c.table_name,
|
||||
@@ -27,7 +26,7 @@ SELECT
|
||||
max(child.relname) AS newest_partition,
|
||||
c.last_updated
|
||||
FROM partitions.config c
|
||||
JOIN pg_class parent ON parent.relname = c.table_name
|
||||
JOIN pg_class parent ON parent.relname = c.table_name AND pg_table_is_visible(parent.oid)
|
||||
LEFT JOIN pg_inherits ON pg_inherits.inhparent = parent.oid
|
||||
LEFT JOIN pg_class child ON pg_inherits.inhrelid = child.oid
|
||||
WHERE parent.relkind = 'p' -- Only partitioned tables
|
||||
|
||||
Reference in New Issue
Block a user