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PostgreSQL: pgproee11 pg_control impl
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Pavel Safonov committed Aug 2, 2022
1 parent 2d3884a commit d8b891c
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164 changes: 164 additions & 0 deletions format/postgres/flavours/pgproee11/pg_control.go
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Original file line number Diff line number Diff line change
@@ -1,5 +1,11 @@
package pgproee11

import (
"github.com/wader/fq/format/postgres/common"
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/scalar"
)

// type = struct ControlFileData {
/* 0 | 8 */ // uint64 system_identifier;
/* 8 | 4 */ // uint32 pg_control_version;
Expand Down Expand Up @@ -74,3 +80,161 @@ package pgproee11
/* 112 | 8 */ // TransactionId oldestActiveXid;
//
/* total size (bytes): 120 */

func DecodePgControl(d *decode.D, in any) any {
d.SeekAbs(0)
/* 0 | 8 */ // uint64 system_identifier;
/* 8 | 4 */ // uint32 pg_control_version;
/* 12 | 4 */ // uint32 catalog_version_no;
/* 16 | 4 */ // DBState state;
/* XXX 4-byte hole */
d.FieldU64("system_identifier")
d.FieldU32("pg_control_version", common.VersionMapper)
d.FieldU32("catalog_version_no")
d.FieldU32("state", common.DBState)
d.U32()

/* 24 | 8 */ // pg_time_t time;
/* 32 | 8 */ // XLogRecPtr checkPoint;
/* 40 | 120 */ // CheckPoint checkPointCopy;
d.FieldS64("time", common.TimeMapper)
d.FieldU64("checkPoint", common.XLogRecPtrMapper)
d.FieldStruct("checkPointCopy", func(d *decode.D) {
/* 0 | 8 */ // XLogRecPtr redo;
/* 8 | 4 */ // TimeLineID ThisTimeLineID;
/* 12 | 4 */ // TimeLineID PrevTimeLineID;
/* 16 | 1 */ // _Bool fullPageWrites;
/* XXX 7-byte hole */
d.FieldU64("redo", common.XLogRecPtrMapper)
d.FieldU32("ThisTimeLineID")
d.FieldU32("PrevTimeLineID")
d.FieldU8("fullPageWrites")
d.U56()

/* 24 | 8 */ // FullTransactionId nextXid;
/* 32 | 4 */ // Oid nextOid;
/* XXX 4-byte hole */
d.FieldU64("nextXid")
d.FieldU32("nextOid")
d.U32()

/* 40 | 8 */ // MultiXactId nextMulti;
/* 48 | 8 */ // MultiXactOffset nextMultiOffset;
/* 56 | 8 */ // TransactionId oldestXid;
/* 64 | 4 */ // Oid oldestXidDB;
/* XXX 4-byte hole */
d.FieldU64("nextMulti")
d.FieldU64("nextMultiOffset")
d.FieldU64("oldestXid")
d.FieldU32("oldestXidDB")
d.U32()

/* 72 | 8 */ // MultiXactId oldestMulti;
/* 80 | 4 */ // Oid oldestMultiDB;
/* XXX 4-byte hole */
d.FieldU64("oldestMulti")
d.FieldU32("oldestMultiDB")
d.U32()

/* 88 | 8 */ // pg_time_t time;
/* 96 | 8 */ // TransactionId oldestCommitTsXid;
/* 104 | 8 */ // TransactionId newestCommitTsXid;
/* 112 | 8 */ // TransactionId oldestActiveXid;
d.FieldS64("time", common.TimeMapper)
d.FieldU64("oldestCommitTsXid")
d.FieldU64("newestCommitTsXid")
d.FieldU64("oldestActiveXid")
})

/* 160 | 8 */ // XLogRecPtr unloggedLSN;
/* 168 | 8 */ // XLogRecPtr minRecoveryPoint;
/* 176 | 4 */ // TimeLineID minRecoveryPointTLI;
/* XXX 4-byte hole */
d.FieldU64("unloggedLSN", common.LocPtrMapper)
d.FieldU64("minRecoveryPoint", common.LocPtrMapper)
d.FieldU32("minRecoveryPointTLI")
d.U32()

/* 184 | 8 */ // XLogRecPtr backupStartPoint;
/* 192 | 8 */ // XLogRecPtr backupEndPoint;
/* 200 | 1 */ // _Bool backupEndRequired;
/* XXX 3-byte hole */
d.FieldU64("backupStartPoint", common.LocPtrMapper)
d.FieldU64("backupEndPoint", common.LocPtrMapper)
d.FieldU8("backupEndRequired")
d.U24()

/* 204 | 4 */ // int wal_level;
/* 208 | 1 */ // _Bool wal_log_hints;
/* XXX 3-byte hole */
d.FieldS32("wal_level", common.WalLevel)
d.FieldU8("wal_log_hints")
d.U24()

/* 212 | 4 */ // int MaxConnections;
/* 216 | 4 */ // int max_worker_processes;
/* 220 | 4 */ // int max_prepared_xacts;
/* 224 | 4 */ // int max_locks_per_xact;
/* 228 | 1 */ // _Bool track_commit_timestamp;
/* XXX 3-byte hole */
d.FieldS32("MaxConnections")
d.FieldS32("max_worker_processes")
d.FieldS32("max_prepared_xacts")
d.FieldS32("max_locks_per_xact")
d.FieldU8("track_commit_timestamp")
d.U24()

/* 232 | 4 */ // uint32 maxAlign;
/* XXX 4-byte hole */
d.FieldU32("maxAlign")
d.U32()

/* 240 | 8 */ // double floatFormat;
/* 248 | 4 */ // uint32 blcksz;
/* 252 | 4 */ // uint32 relseg_size;
/* 256 | 4 */ // uint32 xlog_blcksz;
/* 260 | 4 */ // uint32 xlog_seg_size;
/* 264 | 4 */ // uint32 nameDataLen;
/* 268 | 4 */ // uint32 indexMaxKeys;
/* 272 | 4 */ // uint32 toast_max_chunk_size;
/* 276 | 4 */ // uint32 loblksize;
/* 280 | 1 */ // _Bool float4ByVal;
/* 281 | 1 */ // _Bool float8ByVal;
/* XXX 2-byte hole */
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("float4ByVal")
d.FieldU8("float8ByVal")
d.U16()

/* 284 | 4 */ // uint32 data_checksum_version;
/* 288 | 32 */ // char mock_authentication_nonce[32];
/* 320 | 4 */ // pg_icu_version icu_version;
/* 324 | 4 */ // uint32 pg_old_version;
/* 328 | 4 */ // SnapshotId oldest_snapshot;
/* 332 | 4 */ // SnapshotId recent_snapshot;
/* 336 | 4 */ // SnapshotId active_snapshot;
/* 340 | 4 */ // pg_crc32c crc;
d.FieldU32("data_checksum_version")
d.FieldRawLen("mock_authentication_nonce", 32*8, scalar.RawHex)
d.FieldU32("icu_version", common.IcuVersionMapper)
d.FieldU32("pg_old_version")

d.FieldU32("oldest_snapshot")
d.FieldU32("recent_snapshot")
d.FieldU32("active_snapshot")

d.FieldU32("crc")
/* total size (bytes): 344 */

d.AssertPosBytes(344)

return nil
}
3 changes: 3 additions & 0 deletions format/postgres/pg_control.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package postgres

import (
"github.com/wader/fq/format"
"github.com/wader/fq/format/postgres/flavours/pgproee11"
"github.com/wader/fq/format/postgres/flavours/pgproee14"
"github.com/wader/fq/format/postgres/flavours/postgres11"
"github.com/wader/fq/format/postgres/flavours/postgres14"
Expand Down Expand Up @@ -42,6 +43,8 @@ func decodePgControl(d *decode.D, in any) any {
return postgres11.DecodePgControl(d, in)
case PG_FLAVOUR_POSTGRES14, PG_FLAVOUR_POSTGRES:
return postgres14.DecodePgControl(d, in)
case PG_FLAVOUR_PGPROEE11:
return pgproee11.DecodePgControl(d, in)
case PG_FLAVOUR_PGPROEE14:
return pgproee14.DecodePgControl(d, in)
default:
Expand Down

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