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[t:3008], modify comments a bit

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git-svn-id: file:///svn/toku/tokudb@25193 c7de825b-a66e-492c-adef-691d508d4ae1
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Zardosht Kasheff 2013-04-16 23:59:25 -04:00 • committed by Yoni Fogel
parent 2c6ca1d18d
commit c9eb09c1f7
1 changed files with 8 additions and 8 deletions
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16
newbrt/leafentry.h
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@ -60,16 +60,16 @@ struct __attribute__ ((__packed__)) leafentry {
uint32_t num_cxrs; // number of committed transaction records
uint8_t num_pxrs; // number of provisional transaction records
u_int8_t key_xrs[0]; //Actual key,
//then "interesting" TXNIDs:
//then TXNIDs of transaction records relevant for reads:
// if provisional uxrs exist, store OUTERMOST TXNID
// store committed TXNIDs, from most recently committed to least recently committed
//then "interesting" lengths (length is at most 1<<31, MSB is used to store the type bit):
// if provisional uxrs exist, store length and type of INNERMOST TXNID
// store length and type of committed TXNIDs, in same order as above
//then "interesting" data
// if provisional uxrs exist, store data for INNERMOST TXNID
// store data for committed TXNIDs
//if provisional uxrs still exist (that is, num_puxrs > 1, so INNERMOST provisional != OUTERMOST provisional):
//then lengths of transaction records relevant for reads (length is at most 1<<31, MSB is used to store the type bit):
// if provisional xrs exist, store length and type associated with INNERMOST TXNID
// store length and type associated with committed TXNIDs, in same order as above
//then data of transaction records relevant for reads
// if provisional xrs exist, store data associated with INNERMOST TXNID
// store data associated with committed TXNIDs
//if provisional xrs still exist (that is, num_puxrs > 1, so INNERMOST provisional TXNID != OUTERMOST provisional TXNID):
// for OUTERMOST provisional TXNID:
// 1 byte: store type
// 4 bytes: length (if type is INSERT)