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In temp files used for merge sorting, store the size of each packed-memory-array at the start of the array itself. This is to avoid having to store the offsets of all arrays in the (potentially very large) file in main-memory.

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FossilOrigin-Name: 8051c1767c4386b0f14a66742d9fac41e001eb07
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dan
2011-08-06 12:01:58 +00:00
parent f834eff2f0
commit 1e74e602ec
5 changed files with 155 additions and 119 deletions
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src/vdbeInt.h
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@@ -393,7 +393,7 @@ int sqlite3VdbeFrameRestore(VdbeFrame *);
void sqlite3VdbeMemStoreType(Mem *pMem);
int sqlite3VdbeSorterInit(sqlite3 *, VdbeCursor *);
int sqlite3VdbeSorterWrite(sqlite3 *, VdbeCursor *);
int sqlite3VdbeSorterWrite(sqlite3 *, VdbeCursor *, int);
void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *);
int sqlite3VdbeSorterRowkey(sqlite3 *, VdbeCursor *, Mem *);