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Tie up the loose ends in the ExprList size reduction.

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FossilOrigin-Name: 59d0f3afe5249a2a6453fe7bc810c2c7beb896d3800174c7c90f9304c0b1ad88
This commit is contained in:
drh
2019-12-13 00:49:42 +00:00
parent cbb9da337e
commit c4938ea2ba
7 changed files with 49 additions and 33 deletions
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23
src/sqliteInt.h
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@@ -2653,16 +2653,16 @@ struct Expr {
** In order to try to keep memory usage down, the Expr.a.zEName field
** is used for multiple purposes:
**
** bNameIsTab bNameIsSpan Usage
** ---------- ----------- -------------------------
** false false (1) the AS of result set column
** (2) COLUMN= of an UPDATE
** eEName Usage
** ---------- -------------------------
** ENAME_NAME (1) the AS of result set column
** (2) COLUMN= of an UPDATE
**
** true false DB.TABLE.NAME used to resolve names
** of subqueries
** ENAME_TAB DB.TABLE.NAME used to resolve names
** of subqueries
**
** false true Text of the original result set
** expression.
** ENAME_SPAN Text of the original result set
** expression.
*/
struct ExprList {
int nExpr; /* Number of expressions on the list */
@@ -4430,7 +4430,12 @@ void sqlite3CodeRhsOfIN(Parse*, Expr*, int);
int sqlite3CodeSubselect(Parse*, Expr*);
void sqlite3SelectPrep(Parse*, Select*, NameContext*);
void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p);
int sqlite3MatchSpanName(const char*, const char*, const char*, const char*);
int sqlite3MatchEName(
const struct ExprList_item*,
const char*,
const char*,
const char*
);
int sqlite3ResolveExprNames(NameContext*, Expr*);
int sqlite3ResolveExprListNames(NameContext*, ExprList*);
void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*);