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Add postgres pg_control parser
This commit is contained in:
Pavel Safonov
parent
7d36eeec17
commit
9a96da86a7
1
.gitignore
vendored
1
.gitignore
vendored
@ -1,3 +1,4 @@
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.DS_Store
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testfiles/
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fq
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.idea
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@ -92,6 +92,7 @@ const (
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PGWALPAGE = "pgwal_page"
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PGMULTIXACTOFF = "pgmultixact_offsets"
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PGMULTIXACTMEM = "pgmultixact_members"
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PG_CONTROL = "pg_control"
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PNG = "png"
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PROTOBUF = "protobuf"
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PROTOBUF_WIDEVINE = "protobuf_widevine"
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459
format/postgres/pg_control.go
Normal file
459
format/postgres/pg_control.go
Normal file
@ -0,0 +1,459 @@
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package postgres
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/pkg/decode"
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"github.com/wader/fq/pkg/interp"
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)
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func init() {
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interp.RegisterFormat(decode.Format{
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Name: format.PG_CONTROL,
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Description: "PostgreSQL 14 control file",
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DecodeFn: decodePgControl,
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})
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}
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const (
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PG_CONTROL_VERSION_11 = 1100
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PG_CONTROL_VERSION_14 = 1300
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)
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func decodePgControl(d *decode.D, in any) any {
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d.Endian = decode.LittleEndian
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/* 0 | 8 */ // uint64 system_identifier;
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/* 8 | 4 */ // uint32 pg_control_version;
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d.FieldU64("system_identifier")
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pgControlVersion := d.FieldU32("pg_control_version")
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switch pgControlVersion {
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case PG_CONTROL_VERSION_11:
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return decodePgControl11(d, in)
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case PG_CONTROL_VERSION_14:
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return decodePgControl14(d, in)
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default:
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d.Fatalf("unsupported PG_CONTROL_VERSION = %d\n", pgControlVersion)
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}
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return nil
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}
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// type = struct ControlFileData {
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/* 0 | 8 */ // uint64 system_identifier;
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/* 8 | 4 */ // uint32 pg_control_version;
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/* 12 | 4 */ // uint32 catalog_version_no;
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/* 16 | 4 */ // DBState state;
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/* XXX 4-byte hole */
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/* 24 | 8 */ // pg_time_t time;
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/* 32 | 8 */ // XLogRecPtr checkPoint;
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/* 40 | 80 */ // CheckPoint checkPointCopy;
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/* 120 | 8 */ // XLogRecPtr unloggedLSN;
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/* 128 | 8 */ // XLogRecPtr minRecoveryPoint;
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/* 136 | 4 */ // TimeLineID minRecoveryPointTLI;
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/* XXX 4-byte hole */
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/* 144 | 8 */ // XLogRecPtr backupStartPoint;
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/* 152 | 8 */ // XLogRecPtr backupEndPoint;
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/* 160 | 1 */ // _Bool backupEndRequired;
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/* XXX 3-byte hole */
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/* 164 | 4 */ // int wal_level;
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/* 168 | 1 */ // _Bool wal_log_hints;
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/* XXX 3-byte hole */
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/* 172 | 4 */ // int MaxConnections;
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/* 176 | 4 */ // int max_worker_processes;
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/* 180 | 4 */ // int max_prepared_xacts;
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/* 184 | 4 */ // int max_locks_per_xact;
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/* 188 | 1 */ // _Bool track_commit_timestamp;
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/* XXX 3-byte hole */
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/* 192 | 4 */ // uint32 maxAlign;
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/* XXX 4-byte hole */
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/* 200 | 8 */ // double floatFormat;
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/* 208 | 4 */ // uint32 blcksz;
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/* 212 | 4 */ // uint32 relseg_size;
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/* 216 | 4 */ // uint32 xlog_blcksz;
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/* 220 | 4 */ // uint32 xlog_seg_size;
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/* 224 | 4 */ // uint32 nameDataLen;
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/* 228 | 4 */ // uint32 indexMaxKeys;
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/* 232 | 4 */ // uint32 toast_max_chunk_size;
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/* 236 | 4 */ // uint32 loblksize;
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/* 240 | 1 */ // _Bool float4ByVal;
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/* 241 | 1 */ // _Bool float8ByVal;
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/* XXX 2-byte hole */
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/* 244 | 4 */ // uint32 data_checksum_version;
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/* 248 | 32 */ // char mock_authentication_nonce[32];
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/* 280 | 4 */ // pg_crc32c crc;
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/* XXX 4-byte padding */
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//
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/* total size (bytes): 288 */
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// type = struct CheckPoint {
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/* 0 | 8 */ // XLogRecPtr redo;
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/* 8 | 4 */ // TimeLineID ThisTimeLineID;
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/* 12 | 4 */ // TimeLineID PrevTimeLineID;
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/* 16 | 1 */ // _Bool fullPageWrites;
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/* XXX 3-byte hole */
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/* 20 | 4 */ // uint32 nextXidEpoch;
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/* 24 | 4 */ // TransactionId nextXid;
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/* 28 | 4 */ // Oid nextOid;
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/* 32 | 4 */ // MultiXactId nextMulti;
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/* 36 | 4 */ // MultiXactOffset nextMultiOffset;
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/* 40 | 4 */ // TransactionId oldestXid;
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/* 44 | 4 */ // Oid oldestXidDB;
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/* 48 | 4 */ // MultiXactId oldestMulti;
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/* 52 | 4 */ // Oid oldestMultiDB;
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/* 56 | 8 */ // pg_time_t time;
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/* 64 | 4 */ // TransactionId oldestCommitTsXid;
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/* 68 | 4 */ // TransactionId newestCommitTsXid;
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/* 72 | 4 */ // TransactionId oldestActiveXid;
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/* XXX 4-byte padding */
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//
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/* total size (bytes): 80 */
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//
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func decodePgControl11(d *decode.D, in any) any {
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/* 0 | 8 */ // uint64 system_identifier;
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/* 8 | 4 */ // uint32 pg_control_version;
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/* 12 | 4 */ // uint32 catalog_version_no;
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/* 16 | 4 */ // DBState state;
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/* XXX 4-byte hole */
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//d.FieldU64("system_identifier")
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//d.FieldU32("pg_control_version")
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d.FieldU32("catalog_version_no")
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d.FieldU32("state")
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d.U32()
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/* 24 | 8 */ // pg_time_t time;
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/* 32 | 8 */ // XLogRecPtr checkPoint;
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/* 40 | 80 */ // CheckPoint checkPointCopy;
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d.FieldS64("time")
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d.FieldU64("checkPoint")
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d.FieldStruct("checkPointCopy", func(d *decode.D) {
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/* 0 | 8 */ // XLogRecPtr redo;
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/* 8 | 4 */ // TimeLineID ThisTimeLineID;
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/* 12 | 4 */ // TimeLineID PrevTimeLineID;
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/* 16 | 1 */ // _Bool fullPageWrites;
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/* XXX 3-byte hole */
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d.FieldU64("redo")
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d.FieldU32("ThisTimeLineID")
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d.FieldU32("PrevTimeLineID")
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d.FieldU8("fullPageWrites")
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d.U24()
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/* 20 | 4 */ // uint32 nextXidEpoch;
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/* 24 | 4 */ // TransactionId nextXid;
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/* 28 | 4 */ // Oid nextOid;
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/* 32 | 4 */ // MultiXactId nextMulti;
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/* 36 | 4 */ // MultiXactOffset nextMultiOffset;
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/* 40 | 4 */ // TransactionId oldestXid;
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/* 44 | 4 */ // Oid oldestXidDB;
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/* 48 | 4 */ // MultiXactId oldestMulti;
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/* 52 | 4 */ // Oid oldestMultiDB;
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/* 56 | 8 */ // pg_time_t time;
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/* 64 | 4 */ // TransactionId oldestCommitTsXid;
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/* 68 | 4 */ // TransactionId newestCommitTsXid;
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/* 72 | 4 */ // TransactionId oldestActiveXid;
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/* XXX 4-byte padding */
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d.FieldU32("nextXidEpoch")
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d.FieldU32("nextXid")
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d.FieldU32("nextOid")
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d.FieldU32("nextMulti")
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d.FieldU32("nextMultiOffset")
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d.FieldU32("oldestXid")
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d.FieldU32("oldestXidDB")
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d.FieldU32("oldestMulti")
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d.FieldU32("oldestMultiDB")
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d.FieldS64("time")
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d.FieldU32("oldestCommitTsXid")
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d.FieldU32("newestCommitTsXid")
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d.FieldU32("oldestActiveXid")
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d.U32()
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})
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/* 120 | 8 */ // XLogRecPtr unloggedLSN;
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/* 128 | 8 */ // XLogRecPtr minRecoveryPoint;
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/* 136 | 4 */ // TimeLineID minRecoveryPointTLI;
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/* XXX 4-byte hole */
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d.FieldU64("unloggedLSN")
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d.FieldU64("minRecoveryPoint")
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d.FieldU32("minRecoveryPointTLI")
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d.U32()
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/* 144 | 8 */ // XLogRecPtr backupStartPoint;
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/* 152 | 8 */ // XLogRecPtr backupEndPoint;
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/* 160 | 1 */ // _Bool backupEndRequired;
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/* XXX 3-byte hole */
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d.FieldU64("backupStartPoint")
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d.FieldU64("backupEndPoint")
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d.FieldU8("backupEndRequired")
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d.U24()
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/* 164 | 4 */ // int wal_level;
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/* 168 | 1 */ // _Bool wal_log_hints;
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/* XXX 3-byte hole */
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d.FieldS32("wal_level")
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d.FieldU8("wal_log_hints")
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d.U24()
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/* 172 | 4 */ // int MaxConnections;
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/* 176 | 4 */ // int max_worker_processes;
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/* 180 | 4 */ // int max_prepared_xacts;
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/* 184 | 4 */ // int max_locks_per_xact;
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/* 188 | 1 */ // _Bool track_commit_timestamp;
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/* XXX 3-byte hole */
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d.FieldS32("MaxConnections")
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d.FieldS32("max_worker_processes")
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d.FieldS32("max_prepared_xacts")
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d.FieldS32("max_locks_per_xact")
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d.FieldU8("track_commit_timestamp")
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d.U24()
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/* 192 | 4 */ // uint32 maxAlign;
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/* XXX 4-byte hole */
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d.FieldU32("maxAlign")
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d.U32()
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/* 200 | 8 */ // double floatFormat;
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/* 208 | 4 */ // uint32 blcksz;
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/* 212 | 4 */ // uint32 relseg_size;
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/* 216 | 4 */ // uint32 xlog_blcksz;
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/* 220 | 4 */ // uint32 xlog_seg_size;
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/* 224 | 4 */ // uint32 nameDataLen;
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/* 228 | 4 */ // uint32 indexMaxKeys;
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/* 232 | 4 */ // uint32 toast_max_chunk_size;
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/* 236 | 4 */ // uint32 loblksize;
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/* 240 | 1 */ // _Bool float4ByVal;
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/* 241 | 1 */ // _Bool float8ByVal;
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/* XXX 2-byte hole */
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d.FieldF64("floatFormat")
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d.FieldU32("blcksz")
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d.FieldU32("relseg_size")
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d.FieldU32("xlog_blcksz")
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d.FieldU32("xlog_seg_size")
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d.FieldU32("nameDataLen")
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d.FieldU32("indexMaxKeys")
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d.FieldU32("toast_max_chunk_size")
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d.FieldU32("loblksize")
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d.FieldU8("float4ByVal")
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d.FieldU8("float8ByVal")
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d.U16()
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/* 252 | 4 */ // uint32 data_checksum_version;
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/* 256 | 32 */ // char mock_authentication_nonce[32];
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/* 288 | 4 */ // pg_crc32c crc;
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/* XXX 4-byte padding */
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d.FieldU32("data_checksum_version")
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d.FieldUTF8ShortStringFixedLen("mock_authentication_nonce", 32)
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d.FieldU32("crc")
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d.U32()
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/* total size (bytes): 288 */
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d.AssertPosBytes(288)
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return nil
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}
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// type = struct ControlFileData {
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/* 0 | 8 */ // uint64 system_identifier;
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/* 8 | 4 */ // uint32 pg_control_version;
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/* 12 | 4 */ // uint32 catalog_version_no;
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/* 16 | 4 */ // DBState state;
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/* XXX 4-byte hole */
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/* 24 | 8 */ // pg_time_t time;
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/* 32 | 8 */ // XLogRecPtr checkPoint;
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/* 40 | 88 */ // CheckPoint checkPointCopy;
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/* 128 | 8 */ // XLogRecPtr unloggedLSN;
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/* 136 | 8 */ // XLogRecPtr minRecoveryPoint;
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/* 144 | 4 */ // TimeLineID minRecoveryPointTLI;
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/* XXX 4-byte hole */
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/* 152 | 8 */ // XLogRecPtr backupStartPoint;
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/* 160 | 8 */ // XLogRecPtr backupEndPoint;
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/* 168 | 1 */ // _Bool backupEndRequired;
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/* XXX 3-byte hole */
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/* 172 | 4 */ // int wal_level;
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/* 176 | 1 */ // _Bool wal_log_hints;
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/* XXX 3-byte hole */
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/* 180 | 4 */ // int MaxConnections;
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/* 184 | 4 */ // int max_worker_processes;
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/* 188 | 4 */ // int max_wal_senders;
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/* 192 | 4 */ // int max_prepared_xacts;
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/* 196 | 4 */ // int max_locks_per_xact;
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/* 200 | 1 */ // _Bool track_commit_timestamp;
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/* XXX 3-byte hole */
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/* 204 | 4 */ // uint32 maxAlign;
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/* 208 | 8 */ // double floatFormat;
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/* 216 | 4 */ // uint32 blcksz;
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/* 220 | 4 */ // uint32 relseg_size;
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/* 224 | 4 */ // uint32 xlog_blcksz;
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/* 228 | 4 */ // uint32 xlog_seg_size;
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/* 232 | 4 */ // uint32 nameDataLen;
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/* 236 | 4 */ // uint32 indexMaxKeys;
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/* 240 | 4 */ // uint32 toast_max_chunk_size;
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/* 244 | 4 */ // uint32 loblksize;
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/* 248 | 1 */ // _Bool float8ByVal;
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/* XXX 3-byte hole */
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/* 252 | 4 */ // uint32 data_checksum_version;
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/* 256 | 32 */ // char mock_authentication_nonce[32];
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/* 288 | 4 */ // pg_crc32c crc;
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/* XXX 4-byte padding */
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//
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/* total size (bytes): 296 */
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//
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// type = struct CheckPoint {
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/* 0 | 8 */ // XLogRecPtr redo;
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/* 8 | 4 */ // TimeLineID ThisTimeLineID;
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/* 12 | 4 */ // TimeLineID PrevTimeLineID;
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/* 16 | 1 */ // _Bool fullPageWrites;
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/* XXX 7-byte hole */
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/* 24 | 8 */ // FullTransactionId nextXid;
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/* 32 | 4 */ // Oid nextOid;
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/* 36 | 4 */ // MultiXactId nextMulti;
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/* 40 | 4 */ // MultiXactOffset nextMultiOffset;
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/* 44 | 4 */ // TransactionId oldestXid;
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/* 48 | 4 */ // Oid oldestXidDB;
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/* 52 | 4 */ // MultiXactId oldestMulti;
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/* 56 | 4 */ // Oid oldestMultiDB;
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/* XXX 4-byte hole */
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/* 64 | 8 */ // pg_time_t time;
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/* 72 | 4 */ // TransactionId oldestCommitTsXid;
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/* 76 | 4 */ // TransactionId newestCommitTsXid;
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/* 80 | 4 */ // TransactionId oldestActiveXid;
|
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/* XXX 4-byte padding */
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//
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/* total size (bytes): 88 */
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func decodePgControl14(d *decode.D, in any) any {
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/* 0 | 8 */ // uint64 system_identifier;
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/* 8 | 4 */ // uint32 pg_control_version;
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/* 12 | 4 */ // uint32 catalog_version_no;
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/* 16 | 4 */ // DBState state;
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/* XXX 4-byte hole */
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//d.FieldU64("system_identifier")
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//d.FieldU32("pg_control_version")
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d.FieldU32("catalog_version_no")
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d.FieldU32("state")
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d.U32()
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/* 24 | 8 */ // pg_time_t time;
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/* 32 | 8 */ // XLogRecPtr checkPoint;
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/* 40 | 88 */ // CheckPoint checkPointCopy;
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d.FieldS64("time")
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d.FieldU64("checkPoint")
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d.FieldStruct("checkPointCopy", func(d *decode.D) {
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/* 0 | 8 */ // XLogRecPtr redo;
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/* 8 | 4 */ // TimeLineID ThisTimeLineID;
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/* 12 | 4 */ // TimeLineID PrevTimeLineID;
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/* 16 | 1 */ // _Bool fullPageWrites;
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/* XXX 7-byte hole */
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d.FieldU64("redo")
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d.FieldU32("ThisTimeLineID")
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d.FieldU32("PrevTimeLineID")
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d.FieldU8("fullPageWrites")
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d.U56()
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/* 24 | 8 */ // FullTransactionId nextXid;
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/* 32 | 4 */ // Oid nextOid;
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/* 36 | 4 */ // MultiXactId nextMulti;
|
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/* 40 | 4 */ // MultiXactOffset nextMultiOffset;
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/* 44 | 4 */ // TransactionId oldestXid;
|
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/* 48 | 4 */ // Oid oldestXidDB;
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/* 52 | 4 */ // MultiXactId oldestMulti;
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/* 56 | 4 */ // Oid oldestMultiDB;
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/* XXX 4-byte hole */
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d.FieldU64("nextXid")
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d.FieldU32("nextOid")
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d.FieldU32("nextMulti")
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d.FieldU32("nextMultiOffset")
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d.FieldU32("oldestXid")
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d.FieldU32("oldestXidDB")
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d.FieldU32("oldestMulti")
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d.FieldU32("oldestMultiDB")
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d.U32()
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/* 64 | 8 */ // pg_time_t time;
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/* 72 | 4 */ // TransactionId oldestCommitTsXid;
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/* 76 | 4 */ // TransactionId newestCommitTsXid;
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/* 80 | 4 */ // TransactionId oldestActiveXid;
|
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/* XXX 4-byte padding */
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d.FieldS64("time")
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d.FieldU32("oldestCommitTsXid")
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d.FieldU32("newestCommitTsXid")
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d.FieldU32("oldestActiveXid")
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d.U32()
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})
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/* 128 | 8 */ // XLogRecPtr unloggedLSN;
|
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/* 136 | 8 */ // XLogRecPtr minRecoveryPoint;
|
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/* 144 | 4 */ // TimeLineID minRecoveryPointTLI;
|
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/* XXX 4-byte hole */
|
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d.FieldU64("unloggedLSN")
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d.FieldU64("minRecoveryPoint")
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d.FieldU32("minRecoveryPointTLI")
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d.U32()
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/* 152 | 8 */ // XLogRecPtr backupStartPoint;
|
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/* 160 | 8 */ // XLogRecPtr backupEndPoint;
|
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/* 168 | 1 */ // _Bool backupEndRequired;
|
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/* XXX 3-byte hole */
|
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d.FieldU64("backupStartPoint")
|
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d.FieldU64("backupEndPoint")
|
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d.FieldU8("backupEndRequired")
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d.U24()
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|
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/* 172 | 4 */ // int wal_level;
|
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/* 176 | 1 */ // _Bool wal_log_hints;
|
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/* XXX 3-byte hole */
|
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d.FieldS32("wal_level")
|
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d.FieldU8("wal_log_hints")
|
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d.U24()
|
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|
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/* 180 | 4 */ // int MaxConnections;
|
||||
/* 184 | 4 */ // int max_worker_processes;
|
||||
/* 188 | 4 */ // int max_wal_senders;
|
||||
/* 192 | 4 */ // int max_prepared_xacts;
|
||||
/* 196 | 4 */ // int max_locks_per_xact;
|
||||
/* 200 | 1 */ // _Bool track_commit_timestamp;
|
||||
/* XXX 3-byte hole */
|
||||
d.FieldS32("MaxConnections")
|
||||
d.FieldS32("max_worker_processes")
|
||||
d.FieldS32("max_wal_senders")
|
||||
d.FieldS32("max_prepared_xacts")
|
||||
d.FieldS32("max_locks_per_xact")
|
||||
d.FieldU8("track_commit_timestamp")
|
||||
d.U24()
|
||||
|
||||
/* 204 | 4 */ // uint32 maxAlign;
|
||||
/* 208 | 8 */ // double floatFormat;
|
||||
/* 216 | 4 */ // uint32 blcksz;
|
||||
/* 220 | 4 */ // uint32 relseg_size;
|
||||
/* 224 | 4 */ // uint32 xlog_blcksz;
|
||||
/* 228 | 4 */ // uint32 xlog_seg_size;
|
||||
/* 232 | 4 */ // uint32 nameDataLen;
|
||||
/* 236 | 4 */ // uint32 indexMaxKeys;
|
||||
/* 240 | 4 */ // uint32 toast_max_chunk_size;
|
||||
/* 244 | 4 */ // uint32 loblksize;
|
||||
/* 248 | 1 */ // _Bool float8ByVal;
|
||||
/* XXX 3-byte hole */
|
||||
d.FieldU32("maxAlign")
|
||||
d.FieldF64("floatFormat")
|
||||
d.FieldU32("blcksz")
|
||||
d.FieldU32("relseg_size")
|
||||
d.FieldU32("xlog_blcksz")
|
||||
d.FieldU32("xlog_seg_size")
|
||||
d.FieldU32("nameDataLen")
|
||||
d.FieldU32("indexMaxKeys")
|
||||
d.FieldU32("toast_max_chunk_size")
|
||||
d.FieldU32("loblksize")
|
||||
d.FieldU8("float8ByVal")
|
||||
d.U24()
|
||||
|
||||
/* 252 | 4 */ // uint32 data_checksum_version;
|
||||
/* 256 | 32 */ // char mock_authentication_nonce[32];
|
||||
/* 288 | 4 */ // pg_crc32c crc;
|
||||
/* XXX 4-byte padding */
|
||||
d.FieldU32("data_checksum_version")
|
||||
d.FieldUTF8ShortStringFixedLen("mock_authentication_nonce", 32)
|
||||
d.FieldU32("crc")
|
||||
d.U32()
|
||||
/* total size (bytes): 296 */
|
||||
|
||||
d.AssertPosBytes(296)
|
||||
|
||||
return nil
|
||||
}
|
||||
@ -2,20 +2,20 @@ package postgres
|
||||
|
||||
import (
|
||||
"github.com/wader/fq/format"
|
||||
"github.com/wader/fq/format/registry"
|
||||
"github.com/wader/fq/pkg/decode"
|
||||
"github.com/wader/fq/pkg/interp"
|
||||
"github.com/wader/fq/pkg/scalar"
|
||||
)
|
||||
|
||||
const BLCKSZ = 8192
|
||||
|
||||
func init() {
|
||||
registry.MustRegister(decode.Format{
|
||||
interp.RegisterFormat(decode.Format{
|
||||
Name: format.PGMULTIXACTOFF,
|
||||
Description: "PostgreSQL multixact offset file",
|
||||
DecodeFn: mxOffsetDecode,
|
||||
})
|
||||
registry.MustRegister(decode.Format{
|
||||
interp.RegisterFormat(decode.Format{
|
||||
Name: format.PGMULTIXACTMEM,
|
||||
Description: "PostgreSQL multixact members file",
|
||||
DecodeFn: mxMembersDecode,
|
||||
@ -30,7 +30,7 @@ func mxOffsetDecode(d *decode.D, in interface{}) interface{} {
|
||||
if d.End() {
|
||||
break
|
||||
}
|
||||
d.FieldU32("offset", scalar.Hex)
|
||||
d.FieldU32("offset", scalar.ActualHex)
|
||||
|
||||
}
|
||||
})
|
||||
|
||||
@ -2,13 +2,13 @@ package postgres
|
||||
|
||||
import (
|
||||
"github.com/wader/fq/format"
|
||||
"github.com/wader/fq/format/registry"
|
||||
"github.com/wader/fq/pkg/decode"
|
||||
"github.com/wader/fq/pkg/interp"
|
||||
"github.com/wader/fq/pkg/scalar"
|
||||
)
|
||||
|
||||
func init() {
|
||||
registry.MustRegister(decode.Format{
|
||||
interp.RegisterFormat(decode.Format{
|
||||
Name: format.PGWAL,
|
||||
Description: "PostgreSQL write-ahead log file",
|
||||
DecodeFn: pgwalDecode,
|
||||
@ -104,11 +104,11 @@ func pgwalDecode(d *decode.D, in interface{}) interface{} {
|
||||
record_end := record_pos + record_len
|
||||
header_pos := record_end - record_end%XLOG_BLCKSZ
|
||||
d.FieldU32("xl_xid")
|
||||
d.FieldU64("xl_prev", scalar.Hex)
|
||||
d.FieldU64("xl_prev", scalar.ActualHex)
|
||||
d.FieldU8("xl_info")
|
||||
d.FieldU8("xl_rmid", rmgrIds)
|
||||
d.FieldRawLen("padding", int64(d.AlignBits(32)))
|
||||
d.FieldU32("xl_crc", scalar.Hex)
|
||||
d.FieldU32("xl_crc", scalar.ActualHex)
|
||||
|
||||
var lenghts []uint64 = []uint64{}
|
||||
|
||||
|
||||
@ -2,13 +2,13 @@ package postgres
|
||||
|
||||
import (
|
||||
"github.com/wader/fq/format"
|
||||
"github.com/wader/fq/format/registry"
|
||||
"github.com/wader/fq/pkg/decode"
|
||||
"github.com/wader/fq/pkg/interp"
|
||||
_ "github.com/wader/fq/pkg/scalar"
|
||||
)
|
||||
|
||||
func init() {
|
||||
registry.MustRegister(decode.Format{
|
||||
interp.RegisterFormat(decode.Format{
|
||||
Name: format.PGWALPAGE,
|
||||
Description: "PostgreSQL write-ahead page",
|
||||
DecodeFn: walpageDecode,
|
||||
|
||||
@ -805,6 +805,14 @@ func (d *D) FieldRangeFn(name string, firstBit int64, nBits int64, fn func() *Va
|
||||
return v
|
||||
}
|
||||
|
||||
func (d *D) AssertPosBytes(nBytes int64) {
|
||||
nBits := nBytes * 8
|
||||
if d.Pos() != nBits {
|
||||
// TODO:
|
||||
panic(DecoderError{Reason: fmt.Sprintf("expected position bytes %d, bits %d", nBytes, nBits), Pos: d.Pos()})
|
||||
}
|
||||
}
|
||||
|
||||
func (d *D) AssertAtLeastBitsLeft(nBits int64) {
|
||||
if d.Options.Force {
|
||||
return
|
||||
|
||||
Loading…
Reference in New Issue
Block a user