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Use symbolic names XN_ROWID and XN_EXPR in place of the (-1) and (-2)

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magic numbers in Index.aiColumn[].  Add asserts to help verify that
Index.aiColumn[] is always used correctly.  Fix one place in FK processing
where Index.aiColumn[] was not being used correctly.

FossilOrigin-Name: 7d272aa62cd4cbbf4b5d04e3b918de27671e8301
This commit is contained in:
drh
2015-09-29 17:20:14 +00:00
parent e60856980a
commit 4b92f98ccc
13 changed files with 71 additions and 50 deletions
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2
src/vdbeblob.c
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@@ -248,7 +248,7 @@ int sqlite3_blob_open(
int j;
for(j=0; j<pIdx->nKeyCol; j++){
/* FIXME: Be smarter about indexes that use expressions */
if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==(-2) ){
if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==XN_EXPR ){
zFault = "indexed";
}
}