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Implement BuildStripeMetadata

pull/5052/head
Onur Tirtir 2021-03-25 13:25:35 +03:00
parent 2552aee404
commit f846c16514
1 changed files with 28 additions and 18 deletions
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46
src/backend/columnar/columnar_metadata.c
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@ -71,6 +71,7 @@ static void GetHighestUsedAddressAndId(uint64 storageId,
uint64 *highestUsedAddress,
uint64 *highestUsedId);
static List * ReadDataFileStripeList(uint64 storageId, Snapshot snapshot);
static StripeMetadata * BuildStripeMetadata(Datum *datumArray);
static uint32 * ReadChunkGroupRowCounts(uint64 storageId, uint64 stripe, uint32
chunkGroupCount);
static Oid ColumnarStorageIdSequenceRelationId(void);
@ -840,24 +841,7 @@ ReadDataFileStripeList(uint64 storageId, Snapshot snapshot)
bool isNullArray[Natts_columnar_stripe];
heap_deform_tuple(heapTuple, tupleDescriptor, datumArray, isNullArray);
StripeMetadata *stripeMetadata = palloc0(sizeof(StripeMetadata));
stripeMetadata->id = DatumGetInt64(datumArray[Anum_columnar_stripe_stripe - 1]);
stripeMetadata->fileOffset = DatumGetInt64(
datumArray[Anum_columnar_stripe_file_offset - 1]);
stripeMetadata->dataLength = DatumGetInt64(
datumArray[Anum_columnar_stripe_data_length - 1]);
stripeMetadata->columnCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_column_count - 1]);
stripeMetadata->chunkCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_chunk_count - 1]);
stripeMetadata->chunkGroupRowCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_chunk_row_count - 1]);
stripeMetadata->rowCount = DatumGetInt64(
datumArray[Anum_columnar_stripe_row_count - 1]);
stripeMetadata->firstRowNumber = DatumGetUInt64(
datumArray[Anum_columnar_stripe_first_row_number - 1]);
StripeMetadata *stripeMetadata = BuildStripeMetadata(datumArray);
stripeMetadataList = lappend(stripeMetadataList, stripeMetadata);
}
@ -869,6 +853,32 @@ ReadDataFileStripeList(uint64 storageId, Snapshot snapshot)
}
/*
* BuildStripeMetadata builds a StripeMetadata object from given datumArray.
*/
static StripeMetadata *
BuildStripeMetadata(Datum *datumArray)
{
StripeMetadata *stripeMetadata = palloc0(sizeof(StripeMetadata));
stripeMetadata->id = DatumGetInt64(datumArray[Anum_columnar_stripe_stripe - 1]);
stripeMetadata->fileOffset = DatumGetInt64(
datumArray[Anum_columnar_stripe_file_offset - 1]);
stripeMetadata->dataLength = DatumGetInt64(
datumArray[Anum_columnar_stripe_data_length - 1]);
stripeMetadata->columnCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_column_count - 1]);
stripeMetadata->chunkCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_chunk_count - 1]);
stripeMetadata->chunkGroupRowCount = DatumGetInt32(
datumArray[Anum_columnar_stripe_chunk_row_count - 1]);
stripeMetadata->rowCount = DatumGetInt64(
datumArray[Anum_columnar_stripe_row_count - 1]);
stripeMetadata->firstRowNumber = DatumGetUInt64(
datumArray[Anum_columnar_stripe_first_row_number - 1]);
return stripeMetadata;
}
/*
* DeleteMetadataRows removes the rows with given relfilenode from columnar
* metadata tables.