target_entity_attribute_list_with_transform_cast_parquet
Target database: Snowflake
Resolves as full target entity attribute list having the transformations based on the first SOURCE entity mapping. One-to-one mappings without transformation formula will be translated as single-level parquet column references with datatype in select context.
See also:
Usage
<target_entity_attribute_list_with_transform_cast_parquet>
Notes
Supported in all loads.
Examples
Variable used in an OVERRIDE load step
Given mapping:
Target entity: publish.F_RATECODE
Source entity: src.SOURCE
source attributes | Formula | Target attribute |
---|---|---|
attribute_a | attribute_a | |
attribute_b | attribute_b | |
attribute_c | attribute_c |
OVERRIDE load step in F_RATECODE entity:
INSERT INTO <target_schema>.<target_entity_name>
SELECT <target_entity_attribute_list_with_transform_cast_parquet>
FROM <source_entity_schema>.<source_entity_name>;
Load executed in the target database Snowflake:
INSERT INTO publish.F_RATECODE
SELECT $1::attribute_a::VARCHAR(50)
, $1::attribute_b::VARCHAR(50)
, $1::attribute_c::VARCHAR(50)
FROM src.SOURCE;