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{
"extensionUris": [],
"extensions": [],
"relations": [{
"root": {
"input": {
"project": {
"common": {
"emit": {
"outputMapping": [2, 3]
}
},
"input": {
"read": {
"common": {
"direct": {
}
},
"baseSchema": {
"names": ["a", "b"],
"struct": {
"types": [{
"i32": {
"typeVariationReference": 0,
"nullability": "NULLABILITY_NULLABLE"
}
}, {
"i32": {
"typeVariationReference": 0,
"nullability": "NULLABILITY_REQUIRED"
}
}],
"typeVariationReference": 0,
"nullability": "NULLABILITY_REQUIRED"
}
},
"namedTable": {
"names": ["DATA"]
}
}
},
"expressions": [{
"selection": {
"directReference": {
"structField": {
"field": 0
}
},
"rootReference": {
}
}
}, {
"selection": {
"directReference": {
"structField": {
"field": 1
}
},
"rootReference": {
}
}
}]
}
},
"names": ["a", "b"]
}
}],
"expectedTypeUrls": []
}