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Current File : //home/usr.opt/mysql57/mysql-test/include/index_merge_update.inc |
# # UPDATE statements using index_merge optimization # # The include file works as intended only when index_merge_single_col_setup.inc # or index_merge_multi_col_setup.inc is used. The table t1 set-up is done in # these two include files. --disable_warnings DROP TABLE IF EXISTS t2; --enable_warnings CREATE TABLE t2 LIKE t1; INSERT INTO t2 SELECT * FROM t1; ANALYZE TABLE t2; #1. UPDATE statements with various combinations of comparison operators # intersect optimization technique test cases for non-selects # are in a separate file(index_merge_intersect_dml.inc) # due to different table requirements. # union and sort_union --let $query = WHERE key1=80 OR key4=49 --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key6=7 $query --eval SELECT COUNT(*), SUM(key6) FROM t1 $query --eval UPDATE t1 SET key6=7 $query --eval SELECT COUNT(*), SUM(key6) FROM t1 $query --let $query = WHERE (key3=80 AND key5 IS NOT NULL) OR (key2=49 AND key6 IS NULL) --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key1=18 $query --eval SELECT COUNT(*), SUM(key1) FROM t1 $query --eval UPDATE t1 SET key1=18 $query --eval SELECT COUNT(*), SUM(key1) FROM t1 $query --let $query = WHERE (key4=42 AND key6 IS NOT NULL) OR (key1>4 AND key5 IS NULL) AND key2<>50 --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key3=18 $query --eval SELECT COUNT(*), SUM(key3) FROM t1 $query --eval UPDATE t1 SET key3=18 $query --eval SELECT COUNT(*), SUM(key3) FROM t1 $query --let $query = WHERE key2=80 OR key3=1025 OR key4 <=> NULL --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key8=64 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query --eval UPDATE t1 SET key8=64 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query --let $query = WHERE (key1 < 3 OR key2 < 2) AND (key3 < 3 OR key4 < 3) AND (key5 < 2 OR key6 < 2) --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key8=18 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query --eval UPDATE t1 SET key8=18 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query --let $query = WHERE key1 between 25 AND 40 OR key2 between 15 AND 49 --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key3=32 $query --eval SELECT COUNT(*), SUM(key3) FROM t1 $query --eval UPDATE t1 SET key3=32 $query --eval SELECT COUNT(*), SUM(key3) FROM t1 $query --let $query = WHERE key1 IN (15,70) OR key2 IN (15,70) --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key7=25 $query --eval SELECT COUNT(*), SUM(key7) FROM t1 $query --eval UPDATE t1 SET key7=25 $query --eval SELECT COUNT(*), SUM(key7) FROM t1 $query #2. Statement with ORDER BY --let $query = WHERE key5<5 OR key8<10 ORDER BY key1 --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key1=10 $query --eval SELECT COUNT(*), SUM(key1) FROM t1 $query --eval UPDATE t1 SET key1=10 $query --eval SELECT COUNT(*), SUM(key1) FROM t1 $query #3. Multi table SQL statements --let $query = t1 left join t2 ON (t2.key1=t2.key1) SET t1.key4=15 WHERE t1.key5=40 OR t1.key4=15 --replace_column 10 # --eval EXPLAIN UPDATE $query SELECT COUNT(*), SUM(key4) FROM t1; --eval UPDATE $query SELECT COUNT(*), SUM(key4) FROM t1; # Statements with subqueries --let $query2 = key6 < ANY (SELECT key6 FROM t1 WHERE key1=10 OR key5=3) --let $query1 = WHERE (key3=28 OR key4=10) --replace_column 10 # --eval EXPLAIN UPDATE t2 SET key7=7 $query1 AND $query2 --eval SELECT COUNT(*), SUM(key7) FROM t2 $query1 AND $query2 --eval UPDATE t2 SET key7=7 $query1 AND $query2 --eval SELECT COUNT(*), SUM(key7) FROM t2 $query1 AND $query2 --let $query3 = key1 < ANY (SELECT key1 FROM t1 WHERE key1<5 OR key4<7) --let $query2 = key4 < SOME (SELECT key4 FROM t1 WHERE key1<5 OR key4<8) --let $query1 = WHERE key1=25 OR key4=40 --replace_column 10 # --eval EXPLAIN UPDATE t2 SET key2=2 $query1 AND ($query2 OR $query3) --eval SELECT COUNT(*), SUM(key2) FROM t2 $query1 AND ($query2 OR $query3) --eval UPDATE t2 SET key2=2 $query1 AND ($query2 OR $query3) --eval SELECT COUNT(*), SUM(key2) FROM t2 $query1 AND ($query2 OR $query3) --let $query = WHERE EXISTS (SELECT * FROM t1 WHERE key6<3 OR key4<10) --replace_column 10 # --eval EXPLAIN UPDATE t2 SET key3=20 $query --eval SELECT COUNT(*), SUM(key3) FROM t2 $query --eval UPDATE t2 SET key3=20 $query --eval SELECT COUNT(*), SUM(key3) FROM t2 $query # The following statement doesn't use index_merge optimization technique when # the table is created with single column index setup. --let $query = WHERE key5=80 OR key6=49 --replace_column 10 # --eval EXPLAIN UPDATE t1 SET key8=50 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query --eval UPDATE t1 SET key8=50 $query --eval SELECT COUNT(*), SUM(key8) FROM t1 $query # # end of UPDATE statements #