mirror of https://github.com/citusdata/citus.git
52 lines
1.2 KiB
Protocol Buffer
52 lines
1.2 KiB
Protocol Buffer
syntax = "proto2";
|
|
|
|
package protobuf;
|
|
|
|
enum CompressionType {
|
|
// Values should match with the corresponding struct in cstore_fdw.h
|
|
NONE = 0;
|
|
PG_LZ = 1;
|
|
};
|
|
|
|
message ColumnBlockSkipNode {
|
|
optional uint64 rowCount = 1;
|
|
optional bytes minimumValue = 2;
|
|
optional bytes maximumValue = 3;
|
|
optional uint64 valueBlockOffset = 4;
|
|
optional uint64 valueLength = 5;
|
|
optional CompressionType valueCompressionType = 6;
|
|
optional uint64 existsBlockOffset = 7;
|
|
optional uint64 existsLength = 8;
|
|
}
|
|
|
|
message ColumnBlockSkipList {
|
|
repeated ColumnBlockSkipNode blockSkipNodeArray = 1;
|
|
}
|
|
|
|
message StripeFooter {
|
|
repeated uint64 skipListSizeArray = 1;
|
|
repeated uint64 existsSizeArray = 2;
|
|
repeated uint64 valueSizeArray = 3;
|
|
}
|
|
|
|
message StripeMetadata {
|
|
optional uint64 fileOffset = 1;
|
|
optional uint64 skipListLength = 2;
|
|
optional uint64 dataLength = 3;
|
|
optional uint64 footerLength = 4;
|
|
}
|
|
|
|
message TableFooter {
|
|
repeated StripeMetadata stripeMetadataArray = 1;
|
|
optional uint32 blockRowCount = 2;
|
|
}
|
|
|
|
message PostScript {
|
|
optional uint64 tableFooterLength = 1;
|
|
optional uint64 versionMajor = 2;
|
|
optional uint64 versionMinor = 3;
|
|
|
|
// Leave this last in the record
|
|
optional string magicNumber = 8000;
|
|
}
|