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367fc73e3c
Previously, UDF *_init functions were passed constant strings with erroneous lengths. The length came from the containing variable's size, not the length of the value itself.
Now the *_init functions get the constant as a null terminated string with the correct length supplied too.
mysql-test/r/udf.result:
Test case to check constants passed UDFs.
mysql-test/t/udf.test:
Test case to check constants passed UDFs.
sql/item_func.cc:
UDF _init functions are now passed the length of the constants, rather than the max length of the var containing the constant.
sql/udf_example.c:
Added check_const_len functions. The check_const_len_init functions checks that lengths of constants are correctly passed.
sql/udf_example.def:
Add new example functions to windows dll export list.
27 lines
418 B
Modula-2
27 lines
418 B
Modula-2
LIBRARY udf_example
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VERSION 1.0
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EXPORTS
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lookup
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lookup_init
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reverse_lookup
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reverse_lookup_init
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metaphon_init
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metaphon_deinit
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metaphon
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myfunc_double_init
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myfunc_double
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myfunc_int_init
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myfunc_int
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sequence_init
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sequence_deinit
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sequence
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avgcost_init
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avgcost_deinit
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avgcost_reset
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avgcost_add
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avgcost_clear
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avgcost
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is_const
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is_const_init
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check_const_len
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check_const_len_init
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