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# Write the contents of $write_var to file $write_to_file.
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# --let $write_var = <value>
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# --let $write_to_file = [<file>|GENERATE]
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# --source include/write_var_to_file.inc
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# This mysqltest variable is written to the file. The variable is
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# evaluated in sql 'string' context, so escapes like \n are
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# The variable is written to this file. If this is set to
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# GENERATE, a unique filename is generated (based on UUID()), and
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# the filename is saved in $write_to_file so that it can be
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# ==== Implementation ====
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# We can't use mysqltest's write_file because it does not evaluate
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# variables. We can't use '--exec echo $write_var > $write_file'
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# because it will use \n\r line terminator under windows. So the only
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# working way is mysql's SELECT INTO DUMPFILE, which is subject to
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# @@secure_file_priv. That makes this more complex than you might
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--die You must set the mysqltest variable \$write_to_file before you source include/write_var_to_file.inc
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if ($write_to_file == 'GENERATE')
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--let $_wvtf_suffix= `SELECT UUID()`
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--let $write_to_file= $MYSQLTEST_VARDIR/tmp/_var_file_$_wvtf_suffix.inc
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--remove_file $write_to_file
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if (`SELECT LENGTH(@@secure_file_priv) > 0`)
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--let $_wvtf_secure_file_priv= `SELECT @@secure_file_priv`
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--let $_wvtf_suffix= `SELECT UUID()`
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--let $_wvtf_tmp_file= $_wvtf_secure_file_priv/_wvtf_$_wvtf_suffix
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--eval SELECT '$write_var' INTO DUMPFILE '$_wvtf_tmp_file'
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--copy_file $_wvtf_tmp_file $write_to_file
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--remove_file $_wvtf_tmp_file
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if (`SELECT LENGTH(@@secure_file_priv) = 0`)
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--eval SELECT '$write_var' INTO DUMPFILE '$write_to_file'