38 lines
1.1 KiB
SQL
38 lines
1.1 KiB
SQL
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DO $$
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BEGIN
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IF to_regclass('sales_orders_p') IS NULL THEN
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EXECUTE $q$
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CREATE TABLE sales_orders_p (
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LIKE sales_orders INCLUDING ALL
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) PARTITION BY RANGE (order_date)
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$q$;
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END IF;
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IF to_regclass('purchase_orders_p') IS NULL THEN
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EXECUTE $q$
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CREATE TABLE purchase_orders_p (
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LIKE purchase_orders INCLUDING ALL
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) PARTITION BY RANGE (order_date)
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$q$;
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END IF;
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END $$;
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DO $$
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DECLARE
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d date := date_trunc('month', now())::date;
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next_d date := (date_trunc('month', now()) + interval '1 month')::date;
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part_name text;
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BEGIN
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part_name := format('sales_orders_p_%s', to_char(d, 'YYYYMM'));
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EXECUTE format(
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'CREATE TABLE IF NOT EXISTS %I PARTITION OF sales_orders_p FOR VALUES FROM (%L) TO (%L)',
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part_name, d, next_d
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);
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part_name := format('purchase_orders_p_%s', to_char(d, 'YYYYMM'));
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EXECUTE format(
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'CREATE TABLE IF NOT EXISTS %I PARTITION OF purchase_orders_p FOR VALUES FROM (%L) TO (%L)',
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part_name, d, next_d
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);
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END $$;
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