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Disable external merge source when SQLITE_TEMP_STORE==3. Add documentation

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to the OP_OpenSorter opcode.

FossilOrigin-Name: 5a690486811379cea40c6ed48b2902f421234832
This commit is contained in:
drh
2011-08-25 18:01:28 +00:00
parent ee140c4d71
commit d7f6e906db
4 changed files with 23 additions and 9 deletions
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6
src/vdbe.c
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@@ -3156,6 +3156,12 @@ case OP_OpenWrite: {
** by this opcode will be used for automatically created transient
** indices in joins.
*/
/* Opcode: OpenSorter P1 P2 * P4 *
**
** This opcode works like OP_OpenEphemeral except that it opens
** a transient index that is specifically designed to sort large
** tables using an external merge-sort algorithm.
*/
case OP_OpenSorter:
case OP_OpenAutoindex:
case OP_OpenEphemeral: {