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32 lines
949 B
Text
32 lines
949 B
Text
SET sql_mode=ORACLE;
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#
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# MDEV-13003 - Oracle compatibility : Replace function
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#
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SELECT REPLACE(null,'a','b') ;
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REPLACE(null,'a','b')
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NULL
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SELECT REPLACE('ab',null,'b') ;
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REPLACE('ab',null,'b')
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ab
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SELECT REPLACE('ab','a',null) ;
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REPLACE('ab','a',null)
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b
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SELECT REPLACE('ab',null,null) ;
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REPLACE('ab',null,null)
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ab
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SELECT REPLACE('aaa','a',null) ;
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REPLACE('aaa','a',null)
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NULL
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EXPLAIN EXTENDED SELECT REPLACE('ab','a',null) ;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select replace_oracle('ab','a',NULL) AS "REPLACE('ab','a',null)"
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CREATE VIEW v1 AS SELECT REPLACE('ab','a',null) ;
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SHOW CREATE VIEW v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW "v1" AS select replace_oracle('ab','a',NULL) AS "REPLACE('ab','a',null)" latin1 latin1_swedish_ci
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SELECT * FROM v1;
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REPLACE('ab','a',null)
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b
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DROP VIEW v1;
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