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Add the new OP_Once opcode. Use it to clean up and simplify various

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one-time initialization sections in the code, including the fix for
ticket [002caede898ae].

FossilOrigin-Name: 7f00552b739fad79517b042a6ed61abe743a917b
This commit is contained in:
drh
2011-09-16 01:34:43 +00:00
parent 5b6a9ed495
commit 48f2d3b10a
9 changed files with 51 additions and 41 deletions
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4
src/vdbeblob.c
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@@ -273,7 +273,7 @@ int sqlite3_blob_open(
/* Configure the OP_TableLock instruction */
#ifdef SQLITE_OMIT_SHARED_CACHE
sqlite3VdbeChangeToNoop(v, 2, 1);
sqlite3VdbeChangeToNoop(v, 2);
#else
sqlite3VdbeChangeP1(v, 2, iDb);
sqlite3VdbeChangeP2(v, 2, pTab->tnum);
@@ -283,7 +283,7 @@ int sqlite3_blob_open(
/* Remove either the OP_OpenWrite or OpenRead. Set the P2
** parameter of the other to pTab->tnum. */
sqlite3VdbeChangeToNoop(v, 4 - flags, 1);
sqlite3VdbeChangeToNoop(v, 4 - flags);
sqlite3VdbeChangeP2(v, 3 + flags, pTab->tnum);
sqlite3VdbeChangeP3(v, 3 + flags, iDb);