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1d3b16335a
#2709 Affected Rows for ON DUPL. KEY undocumented, perheps illogical 1. added COPY_INFO::updated to work with it in 'insert .. on duplicate' instead of COPY_INFO::deleted 2. added affected rows to output of "info:" in mysqltest.c client/mysqltest.c: added "affected rows" to output of "info : ".. mysql-test/r/insert_update.result: added tests for affected rows with insert .. duplicate (bug #2709) mysql-test/t/insert_update.test: added tests for affected rows with insert .. duplicate (bug #2709) sql/sql_class.h: added COPY_INFO::updated sql/sql_insert.cc: get write_record to work with COPY_INFO::updated instead of COPY_INFO::deleted for 'insert ... duplicate' statement
107 lines
2.3 KiB
Text
107 lines
2.3 KiB
Text
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a INT, b INT, c INT, UNIQUE (A), UNIQUE(B));
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INSERT t1 VALUES (1,2,10), (3,4,20);
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INSERT t1 VALUES (5,6,30) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 30
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INSERT t1 VALUES (5,7,40) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 20
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5 6 130
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INSERT t1 VALUES (8,4,50) ON DUPLICATE KEY UPDATE c=c+1000;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 1020
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5 6 130
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INSERT t1 VALUES (1,4,60) ON DUPLICATE KEY UPDATE c=c+10000;
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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INSERT t1 VALUES (1,9,70) ON DUPLICATE KEY UPDATE c=c+100000, b=4;
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ERROR 23000: Duplicate entry '4' for key 2
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SELECT * FROM t1;
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a b c
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1 2 10010
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3 4 1020
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5 6 130
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TRUNCATE TABLE t1;
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INSERT t1 VALUES (1,2,10), (3,4,20);
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INSERT t1 VALUES (5,6,30), (7,4,40), (8,9,60) ON DUPLICATE KEY UPDATE c=c+100;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 6 30
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8 9 60
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INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
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SELECT * FROM t1;
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a b c
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1 2 10
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3 4 120
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5 0 30
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8 9 60
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INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
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SELECT *, VALUES(a) FROM t1;
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a b c VALUES(a)
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1 2 10 NULL
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3 4 127 NULL
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5 0 30 NULL
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8 9 60 NULL
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2 1 11 NULL
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explain extended SELECT *, VALUES(a) FROM t1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL 5
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Warnings:
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Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c`,values(test.t1.a) AS `VALUES(a)` from test.t1
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explain extended select * from t1 where values(a);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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Warnings:
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Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1
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DROP TABLE t1;
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create table t1(a int primary key, b int);
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insert into t1 values(1,1),(2,2),(3,3),(4,4),(5,5);
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 4
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5 5
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insert into t1 values(4,14),(5,15),(6,16),(7,17),(8,18)
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on duplicate key update b=b+10;
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affected rows: 7
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info: Records: 5 Duplicates: 2 Warnings: 0
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 14
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5 15
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6 16
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7 17
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8 18
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replace into t1 values(5,25),(6,26),(7,27),(8,28),(9,29);
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affected rows: 9
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info: Records: 5 Duplicates: 4 Warnings: 0
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select * from t1;
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a b
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1 1
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2 2
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3 3
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4 14
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5 25
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6 26
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7 27
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8 28
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9 29
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drop table t1;
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