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Materialize subqueries using a subroutine and invoke that subroutine

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prior to each use of the subqueries manifestation.  Fix for
ticket [002caede898aee4]

FossilOrigin-Name: 4b8357ee3c4ccdbd34e0cd077efd84cca677f496
This commit is contained in:
drh
2011-09-15 23:58:14 +00:00
parent 4327aeaafd
commit 5b6a9ed495
5 changed files with 41 additions and 18 deletions
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3
src/sqliteInt.h
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@@ -1852,7 +1852,8 @@ struct SrcList {
char *zAlias; /* The "B" part of a "A AS B" phrase. zName is the "A" */
Table *pTab; /* An SQL table corresponding to zName */
Select *pSelect; /* A SELECT statement used in place of a table name */
u8 isPopulated; /* Temporary table associated with SELECT is populated */
int addrFillSub; /* Address of subroutine to manifest a subquery */
int regReturn; /* Register holding return address of addrFillSub */
u8 jointype; /* Type of join between this able and the previous */
u8 notIndexed; /* True if there is a NOT INDEXED clause */
u8 isCorrelated; /* True if sub-query is correlated */