Fix for mysqli bugs #68114 and #68657 #983
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and #68657 (Reading 4 byte floats with Mysqli and libmysqlclient has rounding errors). The patch removes support for Decimal floating point numbers and now defaults to using similar logic as what libmysqlclient does: convert a 4 byte floating point number into a string, and then the string into a double. The quirks of MySQL are maintained as seen in Field_Float::val_str()
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I am not sure why it (only one function)needs a separate new file? |
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@laruence I could just make it a static inline function in a header file and move it to ext/msysqlnd if that's preferable. I put it into a separate file just as a personal style preference. |
a header file.
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Merged! |
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This have be applied only in master. But the mysqlnd.so size increase from 200K to >2M in 5.5 / 5.6. |
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@remicollet wow, how could that be? |
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For some reason the commits in the PHP-5.5 and 5.6 branches didn't get pushed to origin. I pushed them in and now things should be back to normal. Thanks! |
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I put the float_to_double() method into ext/standard but if there's a better location, please let me know and I'll fix it up.
With this patch, floating point values from PDO+libmysqlclient match mysqli's values both with mysqlnd and libmysqlclient.