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Add a test-control to disable the skip-scan optimization.

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FossilOrigin-Name: 650a3fe03d61068e06f3097878a777ca8ed713a769444cdb3f8be7d1e19a0b83
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dan
2018-07-12 19:14:39 +00:00
parent 7490128240
commit e882551935
6 changed files with 21 additions and 10 deletions
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8
test/skipscan1.test
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@ -337,4 +337,12 @@ do_execsql_test skipscan1-9.2 {
SELECT * FROM t9a WHERE b IN (SELECT x FROM t9b WHERE y!=5);
} {/USING INDEX t9a_ab .ANY.a. AND b=./}
optimization_control db skip-scan 0
do_execsql_test skipscan1-9.3 {
EXPLAIN QUERY PLAN
SELECT * FROM t9a WHERE b IN (SELECT x FROM t9b WHERE y!=5);
} {/{SCAN TABLE t9a}/}
optimization_control db skip-scan 1
finish_test