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75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
package postgres12
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import (
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"github.com/wader/fq/format/postgres/common"
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"github.com/wader/fq/format/postgres/flavours/postgres14/common14"
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"github.com/wader/fq/pkg/decode"
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)
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// type = struct PageHeaderData {
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/* 0 | 8 */ // PageXLogRecPtr pd_lsn;
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/* 8 | 2 */ // uint16 pd_checksum;
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/* 10 | 2 */ // uint16 pd_flags;
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/* 12 | 2 */ // LocationIndex pd_lower;
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/* 14 | 2 */ // LocationIndex pd_upper;
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/* 16 | 2 */ // LocationIndex pd_special;
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/* 18 | 2 */ // uint16 pd_pagesize_version;
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/* 20 | 4 */ // TransactionId pd_prune_xid;
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/* 24 | 0 */ // ItemIdData pd_linp[];
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//
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/* total size (bytes): 24 */
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// type = struct PageXLogRecPtr {
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/* 0 | 4 */ // uint32 xlogid;
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/* 4 | 4 */ // uint32 xrecoff;
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//
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/* total size (bytes): 8 */
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// type = struct HeapTupleHeaderData {
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/* 0 | 12 */ // union {
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/* 12 */ // HeapTupleFields t_heap;
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/* 12 */ // DatumTupleFields t_datum;
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// // } t_choice;
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/* total size (bytes): 12 */
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//
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/* 12 | 6 */ // ItemPointerData t_ctid;
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/* 18 | 2 */ // uint16 t_infomask2;
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/* 20 | 2 */ // uint16 t_infomask;
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/* 22 | 1 */ // uint8 t_hoff;
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/* 23 | 0 */ // bits8 t_bits[];
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/* XXX 1-byte padding */
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//
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/* total size (bytes): 24 */
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// type = struct HeapTupleFields {
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/* 0 | 4 */ // TransactionId t_xmin;
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/* 4 | 4 */ // TransactionId t_xmax;
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/* 8 | 4 */ // union {
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/* 4 */ // CommandId t_cid;
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/* 4 */ // TransactionId t_xvac;
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// } t_field3;
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/* total size (bytes): 4 */
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//
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/* total size (bytes): 12 */
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// type = struct DatumTupleFields {
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/* 0 | 4 */ // int32 datum_len_;
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/* 4 | 4 */ // int32 datum_typmod;
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/* 8 | 4 */ // Oid datum_typeid;
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//
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/* total size (bytes): 12 */
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// type = struct ItemPointerData {
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/* 0 | 4 */ // BlockIdData ip_blkid;
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/* 4 | 2 */ // OffsetNumber ip_posid;
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//
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/* total size (bytes): 6 */
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func DecodeHeap(d *decode.D) any {
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heap := &common14.HeapD{
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PageSize: common.HeapPageSize,
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DecodePageHeaderDataFn: common14.DecodePageHeaderData,
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}
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return common14.DecodeHeap(heap, d)
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}
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