2014-12-15 17:41:15 +04:00
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CREATE FUNCTION IF NOT EXISTS metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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0
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CREATE FUNCTION metaphon RETURNS INT SONAME "$UDF_EXAMPLE_SO";
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ERROR HY000: Function 'metaphon' already exists
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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0
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CREATE FUNCTION IF NOT EXISTS metaphon RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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Warnings:
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Note 1125 Function 'metaphon' already exists
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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0
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DROP FUNCTION IF EXISTS metaphon;
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CREATE FUNCTION IF NOT EXISTS metaphon RETURNS REAL SONAME "UDF_EXAMPLE_LIB";
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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1
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2014-12-16 15:31:25 +04:00
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CREATE OR REPLACE FUNCTION IF NOT EXISTS metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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2014-12-15 17:41:15 +04:00
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ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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1
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CREATE OR REPLACE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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SELECT ret FROM mysql.func WHERE name like 'metaphon';
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ret
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0
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2014-12-16 15:31:25 +04:00
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CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB";
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2014-12-15 17:41:15 +04:00
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ERROR HY000: Function 'metaphon' already exists
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SELECT metaphon('mariadb');
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metaphon('mariadb')
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MRTB
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DROP FUNCTION metaphon;
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DROP FUNCTION IF EXISTS metaphon;
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Warnings:
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Note 1305 FUNCTION test.metaphon does not exist
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