2022-07-12 11:18:16 +03:00
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package postgres
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2022-09-02 16:14:24 +03:00
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// TO DO
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// not ready yet
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2022-09-06 12:55:15 +03:00
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//func init() {
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// interp.RegisterFormat(decode.Format{
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// Name: format.PG_WAL,
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// Description: "PostgreSQL write-ahead log file",
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// DecodeFn: decodePgwal,
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// DecodeInArg: format.PostgresIn{
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// Flavour: "default",
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// },
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// })
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//}
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//
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//// https://pgpedia.info/x/XLOG_PAGE_MAGIC.html
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//const (
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// XLOG_PAGE_MAGIC_15 = uint16(0xD10F)
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// XLOG_PAGE_MAGIC_14 = uint16(0xD10D)
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// XLOG_PAGE_MAGIC_13 = uint16(0xD106)
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// XLOG_PAGE_MAGIC_12 = uint16(0xD101)
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// XLOG_PAGE_MAGIC_11 = uint16(0xD098)
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// XLOG_PAGE_MAGIC_10 = uint16(0xD097)
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// XLOG_PAGE_MAGIC_96 = uint16(0xD093)
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//)
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//
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//func decodePgwal(d *decode.D, in any) any {
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// d.Endian = decode.LittleEndian
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//
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// flavour := in.(format.PostgresIn).Flavour
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// switch flavour {
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// //case PG_FLAVOUR_POSTGRES11:
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// // return postgres11.DecodePgControl(d, in)
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// case PG_FLAVOUR_POSTGRES14, PG_FLAVOUR_POSTGRES:
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// return postgres14.DecodePgwal(d, in)
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// //case PG_FLAVOUR_PGPROEE14:
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// // return pgproee14.DecodePgControl(d, in)
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// default:
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// break
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// }
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//
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// return probePgwal(d, in)
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//}
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//
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//func probePgwal(d *decode.D, in any) any {
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// // read version
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// xlp_magic := uint16(d.U16())
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//
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// // restore position
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// d.SeekAbs(0)
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//
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// switch xlp_magic {
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// case XLOG_PAGE_MAGIC_14:
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// return postgres14.DecodePgwal(d, in)
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// default:
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// d.Fatalf("unsupported xlp_magic = %X\n", xlp_magic)
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// }
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// return nil
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//}
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