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fix: Improve trino to feast type mapping with (real,varchar,timestamp,decimal) by cutoutsy · Pull Request #5691 · feast-dev/feast · GitHub

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fix: Improve trino to feast type mapping with (real,varchar,timestamp,decimal) #5691

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Merged
franciscojavierarceo merged 4 commits into from
Oct 29, 2025
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fix: Improve trino to feast type mapping with (real,varchar,timestamp,decimal) #5691

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7a1e8b8
fix: improve trino to feast type mapping with (real,varchar,timestamp…
Oct 24, 2025
531a74c
Remove whitespace from blank line
Oct 24, 2025
a1bcd34
Merge branch 'master' into fix/trino_to_feast_value_type
franciscojavierarceo Oct 29, 2025
e4f1cd7
Merge branch 'master' into fix/trino_to_feast_value_type
franciscojavierarceo Oct 29, 2025
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28 changes: 26 additions & 2 deletions sdk/python/feast/infra/offline_stores/contrib/trino_offline_store/trino_type_map.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,13 +14,37 @@ def trino_to_feast_value_type(trino_type_as_str: str) -> ValueType:
"integer": ValueType.INT32,
"bigint": ValueType.INT64,
"double": ValueType.DOUBLE,
"decimal": ValueType.FLOAT,
"decimal32": ValueType.FLOAT,
"decimal64": ValueType.DOUBLE,
"timestamp": ValueType.UNIX_TIMESTAMP,
"char": ValueType.STRING,
"varchar": ValueType.STRING,
"boolean": ValueType.BOOL,
"real": ValueType.FLOAT,
}
return type_map[trino_type_as_str.lower()]
_trino_type_as_str: str = trino_type_as_str
trino_type_as_str = trino_type_as_str.lower()

if trino_type_as_str.startswith("decimal"):
search_precision = re.search(
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r"^decimal\((\d+)(?>,\s?\d+)?\)$", trino_type_as_str
)
if search_precision:
precision = int(search_precision.group(1))
if precision > 32:
trino_type_as_str = "decimal64"
else:
trino_type_as_str = "decimal32"

elif trino_type_as_str.startswith("timestamp"):
trino_type_as_str = "timestamp"

elif trino_type_as_str.startswith("varchar"):
trino_type_as_str = "varchar"

if trino_type_as_str not in type_map:
raise ValueError(f"Trino type not supported by feast {_trino_type_as_str}")
return type_map[trino_type_as_str]


def pa_to_trino_value_type(pa_type_as_str: str) -> str:
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