richtia commented on PR #14143: URL: https://github.com/apache/arrow/pull/14143#issuecomment-1248830754
@westonpace
Here's another one with multiple functions.
SQL
```
SELECT PS_AVAILQTY
FROM 'partsupp'
WHERE PS_AVAILQTY < 10
```
Substrait Plan:
```
{
"extensions": [
{
"extensionFunction": {
"functionAnchor": 1,
"name": "lt"
}
},
{
"extensionFunction": {
"functionAnchor": 2,
"name": "is_not_null"
}
},
{
"extensionFunction": {
"functionAnchor": 3,
"name": "and"
}
}
],
"relations": [
{
"root": {
"input": {
"project": {
"input": {
"read": {
"baseSchema": {
"names": [
"ps_partkey",
"ps_suppkey",
"ps_availqty",
"ps_supplycost",
"ps_comment"
],
"struct": {
"types": [
{
"i32": {
"nullability": "NULLABILITY_NULLABLE"
}
},
{
"i32": {
"nullability": "NULLABILITY_NULLABLE"
}
},
{
"i32": {
"nullability": "NULLABILITY_NULLABLE"
}
},
{
"decimal": {
"scale": 2,
"precision": 15,
"nullability": "NULLABILITY_NULLABLE"
}
},
{
"varchar": {
"length": 198,
"nullability": "NULLABILITY_NULLABLE"
}
}
],
"nullability": "NULLABILITY_REQUIRED"
}
},
"filter": {
"scalarFunction": {
"functionReference": 3,
"outputType": {
"bool": {
"nullability": "NULLABILITY_NULLABLE"
}
},
"arguments": [
{
"value": {
"scalarFunction": {
"functionReference": 1,
"outputType": {
"i32": {
"nullability": "NULLABILITY_NULLABLE"
}
},
"arguments": [
{
"value": {
"selection": {
"directReference": {
"structField": {
"field": 2
}
},
"rootReference": {}
}
}
},
{
"value": {
"literal": {
"i32": 10
}
}
}
]
}
}
},
{
"value": {
"scalarFunction": {
"functionReference": 2,
"outputType": {
"i32": {
"nullability": "NULLABILITY_NULLABLE"
}
},
"arguments": [
{
"value": {
"selection": {
"directReference": {
"structField": {
"field": 2
}
},
"rootReference": {}
}
}
}
]
}
}
}
]
}
},
"projection": {
"select": {
"structItems": [
{
"field": 2
}
]
},
"maintainSingularStruct": true
},
"namedTable": {
"names": [
"partsupp"
]
}
}
},
"expressions": [
{
"selection": {
"directReference": {
"structField": {}
},
"rootReference": {}
}
}
]
}
},
"names": [
"ps_availqty"
]
}
}
]
}
```
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