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Store the collating sequence name for each column of a table as an

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extension to the column name, for an additional savings in the heap space
needed to hold the schema.

FossilOrigin-Name: 832ac4c1ee384be0de72a4bdd55ed87e0f8294e7df5eefcf6b4942db3d85a69e
This commit is contained in:
drh
2021-08-05 15:27:19 +00:00
parent 324f91a591
commit 65b400931d
11 changed files with 81 additions and 33 deletions
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src/expr.c
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@@ -173,7 +173,7 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){
** a TK_COLUMN but was previously evaluated and cached in a register */
int j = p->iColumn;
if( j>=0 ){
const char *zColl = p->y.pTab->aCol[j].zCnColl;
const char *zColl = sqlite3ColumnColl(&p->y.pTab->aCol[j]);
pColl = sqlite3FindCollSeq(db, ENC(db), zColl, 0);
}
break;