/
helpers.sql
66 lines (59 loc) · 2.29 KB
/
helpers.sql
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{#
Copyright (c) 2022, Oracle and/or its affiliates.
Copyright (c) 2020, Vitor Avancini
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
#}
{% macro oracle_incremental_upsert_backup(tmp_relation, target_relation, unique_key=none, statement_name="main") %}
{%- set dest_columns = adapter.get_columns_in_relation(target_relation) -%}
{%- set dest_cols_csv = dest_columns | map(attribute='name') | join(', ') -%}
{%- if unique_key is not none -%}
delete
from {{ target_relation }}
where ({{ unique_key }}) in (
select ({{ unique_key }})
from {{ tmp_relation }}
);
{%- endif %}
insert into {{ target_relation }} ({{ dest_cols_csv }})
(
select {{ dest_cols_csv }}
from {{ tmp_relation }}
)
{%- endmacro %}
{% macro oracle_incremental_upsert(tmp_relation, target_relation, unique_key=none, statement_name="main") %}
{%- set dest_columns = adapter.get_columns_in_relation(target_relation) -%}
{%- set dest_cols_csv = dest_columns | map(attribute='name') | join(', ') -%}
{%- if unique_key is not none -%}
merge into {{ target_relation }} target
using {{ tmp_relation }} temp
on (temp.{{ unique_key }} = target.{{ unique_key }})
when matched then
update set
{% for col in dest_columns if col.name != unique_key %}
target.{{ col.name }} = temp.{{ col.name }}
{% if not loop.last %}, {% endif %}
{% endfor %}
when not matched then
insert( {{ dest_cols_csv }} )
values(
{% for col in dest_columns %}
temp.{{ col.name }}
{% if not loop.last %}, {% endif %}
{% endfor %}
)
{%- else %}
insert into {{ target_relation }} ({{ dest_cols_csv }})
(
select {{ dest_cols_csv }}
from {{ tmp_relation }}
)
{% endif %}
{%- endmacro %}