feat: add ROWID column type (type# 69) decoding#319
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feat: add ROWID column type (type# 69) decoding#319rophy wants to merge 1 commit intobersler:masterfrom
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ROWID columns were unsupported — values were silently dropped. Add decoding from the 10-byte big-endian redo format (dataObj + DBA + slot) and output as Oracle's standard base64 ROWID string. UROWID (type 208) is unchanged — it keeps the existing hex format since UROWID can store variable-length logical ROWIDs from IOTs.
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Summary
ROWID columns (Oracle type# 69) are currently unsupported — their values are
silently dropped from the output. This adds decoding support.
Details
ROWID in redo logs is stored as 10 bytes big-endian:
dataObj(4 bytes) +DBA(4 bytes, afn<<22|block) +slot(2 bytes)Output uses Oracle's standard base64 ROWID format (e.g.
AAASnuAAMAAAAKtAAA),matching what
SELECT ROWID FROM ...returns.UROWID (type 208) is unchanged — it keeps the existing hex format since UROWID
can store variable-length logical ROWIDs from index-organized tables where base64
encoding would be incorrect.
Changes
SysCol.h: addROWID = 69to COLTYPE enumBuilder.cpp: decode 10-byte ROWID and output as base64 stringBuilderJson.h: add ROWID to known types filter + schema metadataBuilderProtobuf.h: add ROWID to known types filter + schema metadataVerification
Tested against Oracle Free 23ai — ROWID values match LogMiner's
SQL_REDOoutput.Format verified by hex-dumping raw redo log bytes and matching against LogMiner's
base64 ROWID.