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-- USAGE: | |
{{ | |
config( | |
materialized='insert', | |
dest_table='dbt_dbanin.table_to_insert_into', | |
date_field="timestamp", | |
start_date='2017-07-01' | |
) | |
}} | |
select ... | |
--------------------------------------------------------------------------- | |
{% macro get_max_timestamp(dest_schema, dest_table, date_field, start_date) -%} | |
{%- call statement('max_ts', fetch_result=True) -%} | |
with data as ( | |
select | |
coalesce(max("{{ date_field }}"), '{{ start_date }}')::timestamp as max_timestamp | |
from "{{ dest_schema }}"."{{ dest_table }}" | |
) | |
select | |
max_timestamp, | |
datediff('week', max_timestamp, getdate()) + 1 days_to_now | |
from data | |
{%- endcall -%} | |
{%- endmacro %} | |
{% macro get_insert_sql(dest_schema, dest_table, dest_cols_csv, sql, date_field, start_date, max_ts, offset = 0) %} | |
set wlm_query_slot_count to 3; | |
begin; | |
insert into "{{ dest_schema }}"."{{ dest_table }}" ({{ dest_cols_csv }}) | |
( | |
select | |
{{ dest_cols_csv }} | |
from ( | |
{{ sql }} | |
) | |
where ( | |
"{{ date_field }}" > '{{ max_ts }}'::timestamp + interval '{{ offset }} week' and | |
"{{ date_field }}" <= '{{ max_ts }}'::timestamp + interval '{{ offset }} week' + interval '1 week' -- todo: make this a variable | |
) | |
order by "{{ date_field }}" | |
); | |
commit; | |
{% endmacro %} | |
{% macro run_for_day(dest_schema, dest_table, dest_cols_csv, sql, date_field, start_date, max_ts, offset) %} | |
{%- set name = 'main' if offset == 0 else 'main-' ~ offset -%} | |
{% if flags.FULL_REFRESH %} | |
{%- call statement(name) -%} | |
{{ get_insert_sql(dest_schema, dest_table, dest_cols_csv, sql, date_field, start_date, max_ts, offset) }} | |
{% endcall %} | |
{% else %} | |
{% call noop_statement(name, status="NO-OP", res=[]) -%} | |
-- Not running : only insert in sinter full refresh | |
{{ get_insert_sql(dest_schema, dest_table, dest_cols_csv, sql, date_field, start_date, max_ts, offset) }} | |
{%- endcall %} | |
{% endif %} | |
{% endmacro %} | |
{% materialization insert, default -%} | |
{%- set dest_identifier = config.require('dest_table') -%} | |
{%- set date_field = config.require('date_field') -%} | |
{%- set start_date = config.require('start_date') -%} | |
{%- set dest_schema, dest_table = (dest_identifier | replace('"', '')).split(".") -%} | |
{%- set dest_columns = adapter.get_columns_in_table(dest_schema, dest_table) -%} | |
{%- set dest_cols_csv = dest_columns | map(attribute='quoted') | join(', ') -%} | |
{%- set _ = get_max_timestamp(dest_schema, dest_table, date_field, start_date) -%} | |
{%- set max_ts = load_result('max_ts')['data'][0][0] | string -%} | |
{%- set num_days = load_result('max_ts')['data'][0][1] -%} | |
-- commit each day as a separate transaction | |
{%- for i in range(num_days) -%} | |
{{ log(" + Running for week " ~ i ~ " of " ~ (num_days - 1), info=True) }} | |
{%- set _ = run_for_day(dest_schema, dest_table, dest_cols_csv, sql, date_field, start_date, max_ts, i) -%} | |
{%- endfor -%} | |
{%- endmaterialization %} |
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