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Combine the Parse.ckBase and Parse.iSelfTab fields into just Parse.iSelfTab.

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This fixes a problem with date/time functions in check-constraints.  Add
some test cases for date/time functions in index expressions and check
constraints.

FossilOrigin-Name: 22eda0985ecd1f456c073e6ad735a8417f3ff1fb6aaad1640e1cec01e50c51d8
This commit is contained in:
drh
2017-07-20 13:17:08 +00:00
parent 3e34eabcdf
commit 6e97f8ec84
12 changed files with 90 additions and 39 deletions
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4
src/expr.c
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@@ -3484,9 +3484,9 @@ int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){
case TK_COLUMN: {
int iTab = pExpr->iTable;
if( iTab<0 ){
if( pParse->ckBase>0 ){
if( pParse->iSelfTab<0 ){
/* Generating CHECK constraints or inserting into partial index */
return pExpr->iColumn + pParse->ckBase;
return pExpr->iColumn - pParse->iSelfTab;
}else{
/* Coding an expression that is part of an index where column names
** in the index refer to the table to which the index belongs */