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PostgreSQl: pg_control impl for version 13
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Pavel Safonov committed Aug 4, 2022
1 parent b722b21 commit c273a6c
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216 changes: 216 additions & 0 deletions format/postgres/flavours/postgres13/pg_control.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,216 @@
package postgres13

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;
/* 12 | 4 */ // uint32 catalog_version_no;
/* 16 | 4 */ // DBState state;
/* XXX 4-byte hole */
/* 24 | 8 */ // pg_time_t time;
/* 32 | 8 */ // XLogRecPtr checkPoint;
/* 40 | 88 */ // CheckPoint checkPointCopy;
/* 128 | 8 */ // XLogRecPtr unloggedLSN;
/* 136 | 8 */ // XLogRecPtr minRecoveryPoint;
/* 144 | 4 */ // TimeLineID minRecoveryPointTLI;
/* XXX 4-byte hole */
/* 152 | 8 */ // XLogRecPtr backupStartPoint
/* 160 | 8 */ // XLogRecPtr backupEndPoint
/* 168 | 1 */ // _Bool backupEndRequired
/* XXX 3-byte hole */
/* 172 | 4 */ // int wal_level
/* 176 | 1 */ // _Bool wal_log_hints
/* XXX 3-byte hole */
/* 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 */
/* 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 */
/* 252 | 4 */ // uint32 data_checksum_version
/* 256 | 32 */ // char mock_authentication_nonce[32]
/* 288 | 4 */ // pg_crc32c crc
/* XXX 4-byte padding */
//
/* total size (bytes): 296 */

// type = struct CheckPoint {
/* 0 | 8 */ // XLogRecPtr redo;
/* 8 | 4 */ // TimeLineID ThisTimeLineID;
/* 12 | 4 */ // TimeLineID PrevTimeLineID;
/* 16 | 1 */ // _Bool fullPageWrites;
/* XXX 7-byte hole */
/* 24 | 8 */ // FullTransactionId nextFullXid
/* 32 | 4 */ // Oid nextOid
/* 36 | 4 */ // MultiXactId nextMulti
/* 40 | 4 */ // MultiXactOffset nextMultiOffset
/* 44 | 4 */ // TransactionId oldestXid
/* 48 | 4 */ // Oid oldestXidDB
/* 52 | 4 */ // MultiXactId oldestMulti
/* 56 | 4 */ // Oid oldestMultiDB
/* XXX 4-byte hole */
/* 64 | 8 */ // pg_time_t time
/* 72 | 4 */ // TransactionId oldestCommitTsXid
/* 76 | 4 */ // TransactionId newestCommitTsXid
/* 80 | 4 */ // TransactionId oldestActiveXid
/* XXX 4-byte padding */
//
/* total size (bytes): 88 */
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")
d.FieldU32("catalog_version_no")
d.FieldU32("state", common.DBState)
d.U32()

/* 24 | 8 */ // pg_time_t time;
/* 32 | 8 */ // XLogRecPtr checkPoint;
/* 40 | 88 */ // 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 nextFullXid
/* 32 | 4 */ // Oid nextOid
/* 36 | 4 */ // MultiXactId nextMulti
/* 40 | 4 */ // MultiXactOffset nextMultiOffset
/* 44 | 4 */ // TransactionId oldestXid
/* 48 | 4 */ // Oid oldestXidDB
/* 52 | 4 */ // MultiXactId oldestMulti
/* 56 | 4 */ // Oid oldestMultiDB
/* XXX 4-byte hole */
d.FieldU64("nextFullXid")
d.FieldU32("nextOid")
d.FieldU32("nextMulti")
d.FieldU32("nextMultiOffset")
d.FieldU32("oldestXid")
d.FieldU32("oldestXidDB")
d.FieldU32("oldestMulti")
d.FieldU32("oldestMultiDB")
d.U32()

/* 64 | 8 */ // pg_time_t time
/* 72 | 4 */ // TransactionId oldestCommitTsXid
/* 76 | 4 */ // TransactionId newestCommitTsXid
/* 80 | 4 */ // TransactionId oldestActiveXid
/* XXX 4-byte padding */
d.FieldS64("time", common.TimeMapper)
d.FieldU32("oldestCommitTsXid")
d.FieldU32("newestCommitTsXid")
d.FieldU32("oldestActiveXid")
d.U32()
})

/* 128 | 8 */ // XLogRecPtr unloggedLSN;
/* 136 | 8 */ // XLogRecPtr minRecoveryPoint;
/* 144 | 4 */ // TimeLineID minRecoveryPointTLI;
/* XXX 4-byte hole */
d.FieldU64("unloggedLSN", common.LocPtrMapper)
d.FieldU64("minRecoveryPoint", common.LocPtrMapper)
d.FieldU32("minRecoveryPointTLI")
d.U32()

/* 152 | 8 */ // XLogRecPtr backupStartPoint;
/* 160 | 8 */ // XLogRecPtr backupEndPoint;
/* 168 | 1 */ // _Bool backupEndRequired;
/* XXX 3-byte hole */
d.FieldU64("backupStartPoint", common.LocPtrMapper)
d.FieldU64("backupEndPoint", common.LocPtrMapper)
d.FieldU8("backupEndRequired")
d.U24()

/* 172 | 4 */ // int wal_level;
/* 176 | 1 */ // _Bool wal_log_hints;
/* XXX 3-byte hole */
d.FieldS32("wal_level", common.WalLevel)
d.FieldU8("wal_log_hints")
d.U24()

/* 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.FieldRawLen("mock_authentication_nonce", 32*8, scalar.RawHex)
d.FieldU32("crc")
d.U32()
/* total size (bytes): 296 */

d.AssertPosBytes(296)

return nil
}
5 changes: 5 additions & 0 deletions format/postgres/pg_control.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"github.com/wader/fq/format/postgres/flavours/pgproee14"
"github.com/wader/fq/format/postgres/flavours/postgres11"
"github.com/wader/fq/format/postgres/flavours/postgres12"
"github.com/wader/fq/format/postgres/flavours/postgres13"
"github.com/wader/fq/format/postgres/flavours/postgres14"
"github.com/wader/fq/pkg/decode"
"github.com/wader/fq/pkg/interp"
Expand All @@ -26,13 +27,15 @@ func init() {
const (
PG_CONTROL_VERSION_11 = 1100
PG_CONTROL_VERSION_12 = 1201
//PG_CONTROL_VERSION_13 = 1300
PG_CONTROL_VERSION_14 = 1300
)

const (
PG_FLAVOUR_POSTGRES = "postgres"
PG_FLAVOUR_POSTGRES11 = "postgres11"
PG_FLAVOUR_POSTGRES12 = "postgres12"
PG_FLAVOUR_POSTGRES13 = "postgres13"
PG_FLAVOUR_POSTGRES14 = "postgres14"
PG_FLAVOUR_PGPROEE11 = "pgproee11"
PG_FLAVOUR_PGPROEE12 = "pgproee12"
Expand All @@ -48,6 +51,8 @@ func decodePgControl(d *decode.D, in any) any {
return postgres11.DecodePgControl(d, in)
case PG_FLAVOUR_POSTGRES12:
return postgres12.DecodePgControl(d, in)
case PG_FLAVOUR_POSTGRES13:
return postgres13.DecodePgControl(d, in)
case PG_FLAVOUR_POSTGRES14, PG_FLAVOUR_POSTGRES:
return postgres14.DecodePgControl(d, in)
case PG_FLAVOUR_PGPROEE11:
Expand Down

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