Igor Babaev 12c80df482 MDEV-20411 Procedure containing CTE incorrectly stored in mysql.proc ...

If the first token of the body of a stored procedure was 'WITH' then
the beginning of the body was determined incorrectly and that token was
missing in the string representing the body of the SP in mysql.proc. As a
resultnany call of such procedure failed as the string representing the
body could not be parsed.

The patch corrects the code of the functions get_tok_start() and
get_cpp_tok_start() of the class Lex_input_stream to make them take into
account look ahead tokens. The patch is needed only for 10.2 as this
problem has neen resolved in 10.3+.

2021-06-25 18:06:08 -07:00

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