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Add the OP_FinishSeek opcode which completes an OP_DeferredSeek if the seek

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has not already completed.  Also add the sqlite3WhereUsesDeferredSeek()
interface to the query planner.  The UPDATE implementation adds an
OP_FinishSeek before running the final OP_Insert if one is needed.
Ticket [ec8abb025e78f40c] and also an assertion fault reported by Yongheng.

FossilOrigin-Name: 21ef6e99331210b80fa7c71b4f02e8f768a748d01aef884368af2f6b51a067e0
This commit is contained in:
drh
2019-12-29 00:52:41 +00:00
parent 997d7434b7
commit be3da24134
12 changed files with 79 additions and 35 deletions
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src/sqliteInt.h
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@@ -4115,6 +4115,7 @@ int sqlite3WhereOkOnePass(WhereInfo*, int*);
#define ONEPASS_OFF 0 /* Use of ONEPASS not allowed */
#define ONEPASS_SINGLE 1 /* ONEPASS valid for a single row update */
#define ONEPASS_MULTI 2 /* ONEPASS is valid for multiple rows */
int sqlite3WhereUsesDeferredSeek(WhereInfo*);
void sqlite3ExprCodeLoadIndexColumn(Parse*, Index*, int, int, int);
int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8);
void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int);