223 lines
6.7 KiB
PHP
223 lines
6.7 KiB
PHP
#
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# DELETE Statements
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#
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# The include file works as intended only when index_merge_single_col_setup.inc
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# or index_merge_multi_col_setup.inc is used. The table t1 set-up is done in
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# these two include files.
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--disable_warnings
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DROP TABLE IF EXISTS t2;
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--enable_warnings
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CREATE TABLE t2 LIKE t1;
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INSERT INTO t2 SELECT * FROM t1;
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ANALYZE TABLE t2;
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#1. SQL statments with various combinations of comparison operators
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# union and sort_union
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--let $query = FROM t1 WHERE key1=25 OR key4=10
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key1=48 OR key4=2 OR key6=3
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key3=1025 OR key5 IS NULL
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key3=45 OR key1=6 OR key6 IS NULL
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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# The following query could produce different query plans due to variations
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# in statistics
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-- disable_query_log
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-- disable_result_log
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ANALYZE TABLE t1;
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-- enable_result_log
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-- enable_query_log
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--let $query = FROM t1 WHERE (key4=42 AND key6 IS NOT NULL) OR (key1=4 AND key3=6)
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--replace_result "i4,i1,i3" "i4,i1" "4,4,4" "4,4" "union(i4,intersect(i1,i3))" "union(i4,i1)"
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key1<2 OR key2<3
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--replace_result "i1,i2" "i2,i1"
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key1<5 OR key3<7
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--replace_result "i1,i3" "i3,i1"
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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INSERT INTO t1 VALUES (10,10,10,10,10,10,10,10),(3,3,3,3,3,3,3,3);
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--let $query = FROM t1 WHERE key2=10 OR key3=3 OR key4 IS NULL
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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INSERT INTO t1 VALUES (10,10,10,10,10,10,10,10),(3,3,3,3,3,3,3,3);
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--let $query = FROM t1 WHERE key2=10 OR key3=3 OR key4 <=> null
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE (key1>30 AND key1<35) OR (key2>32 AND key2<40)
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key1 BETWEEN 30 AND 35 OR key2 BETWEEN 32 AND 40
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE (key1>30 AND key1<35) OR (key2>32 AND key2<40) OR (key3>20 AND key3<45)
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE key1 BETWEEN 30 AND 35 OR key2 BETWEEN 32 AND 40 OR key3 BETWEEN 20 AND 45
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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INSERT INTO t1 VALUES (1,1,1,1,1,1,1,1),(2,2,2,2,2,2,2,2),(3,3,3,3,3,3,3,3),(4,4,4,4,4,4,4,4);
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--let $query = FROM t1 WHERE ((key3<4 OR key5<3) AND (key1<3 OR key2<3)) OR (((key3<5 AND key6<5) OR key5<2) AND (key5<4 OR key6<4))
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE (key4<42 AND key6 IS NOT NULL) OR (key1>4 AND key5 IS NULL) AND key2<>50
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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--let $query = FROM t1 WHERE (key5 IN (15,70) OR key6 IN (15,70))
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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#2. Statements with ORDER BY
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INSERT INTO t1 VALUES (1,1,1,1,1,1,1,1),(2,2,2,2,2,2,2,2),(3,3,3,3,3,3,3,3);
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--let $query = FROM t1 WHERE key1<2 OR key2<3 ORDER BY key1
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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#3. Multi table SQL statements
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--let $query = FROM t1 USING t1 INNER JOIN t2 ON (t2.key1=t2.key1) WHERE t1.key1=3 OR t1.key2=4
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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SELECT COUNT(*) FROM t1;
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--eval DELETE $query
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SELECT COUNT(*) FROM t1;
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# Statements with subqueries
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--let $query1 = FROM t2 WHERE key6 = (SELECT key6 FROM t1 WHERE key1=10 OR key5=3 OR key2 IS NULL)
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--let $query2 = key3=28 OR key4=10
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--replace_column 10 #
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--eval EXPLAIN DELETE $query1 OR $query2
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--eval SELECT COUNT(*) $query1 OR $query2
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--eval DELETE $query1 OR $query2
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--eval SELECT COUNT(*) $query1 OR $query2
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--let $query3 = key1 < ANY (SELECT key1 FROM t1 WHERE key1<5 OR key4<7)
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--let $query2 = key4 < SOME (SELECT key4 FROM t1 WHERE key1<5 OR key4<8)
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--let $query1 = FROM t2 WHERE key1=25 OR key4=40
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--replace_column 10 #
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--eval EXPLAIN DELETE $query1 AND ($query2 OR $query3)
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--eval SELECT COUNT(*) $query1 AND ($query2 OR $query3)
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--eval DELETE $query1 AND ($query2 OR $query3)
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--eval SELECT COUNT(*) $query1 AND ($query2 OR $query3)
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INSERT INTO t1 VALUES (2,2,2,2,2,2,2,2),(5,5,5,5,5,5,5,5);
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--let $query = FROM t2 WHERE EXISTS (SELECT * FROM t1 WHERE key1<5 OR key3<7)
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# Disabling binary logging temporarily as optimized delete is not used when log-bin is enabled in row mode
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--disable_query_log
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SET @save_log_bin= @@sql_log_bin;
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SET SQL_LOG_BIN=0;
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--enable_query_log
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# Not stable across platforms. Plan needs to have index-merge access method.
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# But only on solaris debug builds optimizer chooses a table_scan. Hence
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# masking the output for now.
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--replace_column 5 # 6 # 7 # 8 # 9 # 10 # 11 # 12 #
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--eval EXPLAIN DELETE $query
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--disable_query_log
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SET @save_log_bin= @@sql_log_bin;
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SET SQL_LOG_BIN=0;
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--enable_query_log
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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# The following statement uses index_merge optimization only when the table is
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# created with multi column setup.
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INSERT INTO t1 VALUES ( 3,3,3,3,3,3,3,3 ),(4,4,4,4,4,4,4,4);
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--let $query = FROM t1 WHERE key7 = 3 OR key8 = 4
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--replace_column 10 #
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--eval EXPLAIN DELETE $query
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--eval SELECT COUNT(*) $query
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--eval DELETE $query
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--eval SELECT COUNT(*) $query
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#
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# end of DELETE statements
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#
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